As filed with the Securities and Exchange Commission on November 7, 2011

Registration No. 333-            

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549



Form S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933



PACIRA PHARMACEUTICALS, INC.
(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of
Incorporation or Organization)
  2834
(Primary Standard Industrial
Classification Code No.)
  51-0619477
(I.R.S. Employer)

5 Sylvan Way, Suite 100
Parsippany, New Jersey 07054
(973) 254-3560

(Address, including zip code, and telephone number, including
area code, of registrant's principal executive offices)



David M. Stack
President and Chief Executive Officer
5 Sylvan Way, Suite 125
Parsippany, New Jersey 07054
(973) 254-3560

(Name, address, including zip code, and telephone number,
including area code, of agent for service)



Copies to:
Joseph K. Wyatt, Esq.
Wilmer Cutler Pickering Hale and Dorr LLP
950 Page Mill Road
Palo Alto, California 94304
(650) 858-6000
  Marc D. Jaffe, Esq.
Gregory P. Rodgers, Esq.
Latham & Watkins LLP
885 Third Avenue
New York, NY 10022
(212) 906-1200

Approximate date of commencement of proposed sale to the public:
As soon as practicable after this Registration Statement is declared effective.



          If any of the securities being registered on this form are offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended (the "Securities Act") please check the following box. o

          If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

          If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

          If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b2 of the Exchange Act.

Large accelerated filer o   Accelerated filer o   Non-accelerated filer ý
(Do not check if a
smaller reporting company)
  Smaller reporting company o



CALCULATION OF REGISTRATION FEE

       
 
Class of Securities to be Registered
  Proposed Maximum
Aggregate Offering
Price1

  Amount of
Registration Fee2

 

Common Stock, par value $0.001 per share

  $53,199,000   $6,097

 

1
Estimated solely for the purpose of computing the registration fee in accordance with Rule 457(o) under the Securities Act.

2
Calculated pursuant to Rule 457(o) based on an estimate of the proposed maximum aggregate offering price.



          The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act or until the Registration Statement shall become effective on such date as the Commission, acting pursuant to Section 8(a), may determine.


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The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.

Subject to Completion, dated November 7, 2011.

PROSPECTUS


6,000,000 Shares

GRAPHIC

Common Stock


We are offering 6,000,000 shares of our common stock.

Our common stock trades on The NASDAQ Global Market under the symbol "PCRX." On November 4, 2011, the last reported trading price of our common stock was $7.71 per share.

Investing in our common stock involves risks. See "Risk Factors" beginning on page 9 of this prospectus.

 
  Per
share
  Total

Price to the public

  $     $  

Underwriting discounts and commissions

  $     $  

Proceeds to us (before expenses)

  $     $  

We have granted the underwriters the option to purchase 900,000 additional shares of common stock on the same terms and conditions set forth above if the underwriters sell more than 6,000,000 shares of common stock in this offering.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed on the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

The underwriters expect to deliver the shares on or about                           , 2011.


Barclays Capital       Jefferies



Piper Jaffray   Wedbush PacGrow Life Sciences   Brean Murray, Carret & Co.

Prospectus dated                           , 2011


Table of Contents

TABLE OF CONTENTS

PROSPECTUS SUMMARY

  1

RISK FACTORS

  9

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

  39

USE OF PROCEEDS

  40

DIVIDEND POLICY

  41

CAPITALIZATION

  42

DILUTION

  43

SELECTED CONSOLIDATED FINANCIAL DATA

  44

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

  47

BUSINESS

  70

MANAGEMENT

  101

EXECUTIVE COMPENSATION

  110

RELATED PERSON TRANSACTIONS

  126

PRINCIPAL STOCKHOLDERS

  133

DESCRIPTION OF CAPITAL STOCK

  137

SHARES ELIGIBLE FOR FUTURE SALE

  141

CERTAIN MATERIAL U.S. FEDERAL TAX CONSIDERATIONS

  143

UNDERWRITING

  147

LEGAL MATTERS

  154

EXPERTS

  154

WHERE YOU CAN FIND MORE INFORMATION

  154

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

  F-1

        You should rely only on the information contained in this prospectus and any free writing prospectus prepared by or on behalf of us or to which we have referred you. We have not authorized anyone to provide you with information that is different. We are offering to sell shares of our common stock, and seeking offers to buy shares of our common stock, only in jurisdictions where offers and sales are permitted. The information in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or any sale of our common stock.

        For investors outside the United States: neither we nor any of the underwriters have taken any action to permit a public offering of the shares of our common stock or the possession or distribution of this prospectus in any jurisdiction where action for that purpose is required, other than the United States. You are required to inform yourselves about and to observe any restrictions relating to this offering and the distribution of this prospectus.

        We obtained the industry, market and competitive position data in this prospectus from our own internal estimates and research as well as from industry and general publications and research, surveys and studies conducted by third parties. Industry publications, studies and surveys generally state that they have been obtained from sources believed to be reliable, although they do not guarantee the accuracy or completeness of such information.

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PROSPECTUS SUMMARY

        This summary highlights information contained elsewhere in this prospectus. You should read the following summary together with the more detailed information appearing in this prospectus, including our consolidated financial statements and related notes, and the risk factors beginning on page 9, before deciding whether to purchase shares of our common stock. Unless the context otherwise requires, we use the terms "Pacira," "our company," we," "us" and "our" in this prospectus to refer to Pacira Pharmaceuticals, Inc. and its subsidiaries.

Overview

        We are an emerging specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products, based on our proprietary DepoFoam drug delivery technology, for use in hospitals and ambulatory surgery centers.

        On October 28, 2011, the United States Food and Drug Administration, or FDA, approved our New Drug Application, or NDA, for our lead product candidate, EXPAREL, a liposome injection of bupivacaine, an amide-type local anesthetic, indicated for administration into the surgical site to produce postsurgical analgesia.

        Our clinical data demonstrates that EXPAREL provides analgesia for up to 72 hours post-surgery, compared with approximately eight hours or less for bupivacaine. Bupivacaine and other shorter acting local anesthetics of the amide type such as mepivacaine and lidocaine are commonly used as the first line of treatment, pre- and post-operatively, of a multimodal postsurgical pain treatment regimen. Because bupivacaine, mepivacaine and lidocaine last approximately eight hours or less, administration of these local anesthetics is commonly followed by the systemic administration of opioids, such as morphine. Together, these drugs form the foundation of the multimodal postsurgical pain treatment regimen for the treatment of extended duration pain. Opioids are associated with a variety of significant adverse events leading to healthcare practitioners seeking opioid-sparing strategies for their patients and unfavorable hospital economics.

        We believe EXPAREL addresses a significant unmet medical need for a long-acting non-opioid postsurgical analgesic, resulting in simplified postsurgical pain management and reduced opioid consumption, leading to improved patient outcomes and enhanced hospital economics. We estimate there are approximately 39 million opportunities annually in the United States for EXPAREL to be used.

        EXPAREL will be launched by certain members of our management team who have successfully launched multiple products in the hospital market. Our commercial team has executed on a full range of pre-launch activities for EXPAREL including: (i) publications and abstracts for the EXPAREL clinical program efficacy and safety, health outcomes studies, and review articles on postsurgical pain management; (ii) health outcomes studies which provide retrospective and prospective analyses for our hospital customers using their own hospital data to demonstrate the true cost of opioid-based postsurgical pain management; (iii) key opinion leader, or KOL, development programs and advisory boards to address topics of best practice techniques, guidelines and protocols for the use of EXPAREL, educational needs of our physician, pharmacist and registered nurse customers, nerve block clinical studies and additional indications for the future development of EXPAREL; and (iv) education initiatives such as center of excellence programs, preceptorship programs, pain protocols and predictive models for enhanced patient care, web-based training and virtual launch programs.

        We are developing a sales force entirely dedicated to commercializing EXPAREL comprised of approximately 60 representatives, seven regional managers and a national sales manager. We intend to develop this sales force pursuant to a contract with Quintiles Commercial US, Inc., a division of Quintiles, Inc., or Quintiles, and under the terms of this contract we have the flexibility to hire all or a portion of the sales force dedicated to commercializing EXPAREL as full-time employees of Pacira, upon 60 days notice to Quintiles. We believe that our pre-launch activities including significant personal

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interactions with our hospital customers, position us for a successful launch of EXPAREL in the first quarter of 2012.

        EXPAREL consists of bupivacaine encapsulated in DepoFoam, both of which are used in FDA-approved products. DepoFoam, our extended release drug delivery technology, is the basis for our two additional FDA-approved commercial products: DepoCyt(e) and DepoDur, which we manufacture for our commercial partners. DepoFoam-based products have been manufactured for over a decade and have an extensive safety record and regulatory approvals in the United States, European countries and other territories. Bupivacaine, a well-characterized, FDA-approved anesthetic/analgesic, has an established safety profile and over 20 years of use in the United States. We currently manufacture clinical supplies of EXPAREL and intend to manufacture and commercialize EXPAREL now that it has been approved.

        The FDA-approved label for EXPAREL includes a broad label for postsurgical analgesia by local administration into the surgical site, or infiltration, a procedure commonly employing bupivacaine. The approved indication states "EXPAREL is a liposome injection of bupivacaine, an amide type local anesthetic, indicated for administration into the surgical site to produce postsurgical analgesia". We also plan to expand the indications of EXPAREL to include nerve block and epidural administration, markets where bupivacaine is also used routinely.

        Our current product portfolio and product candidate pipeline is summarized in the table below:

Product(s)/Product Candidate(s)
  Primary Indication(s)   Status   Commercialization Rights

EXPAREL

  Postsurgical analgesia by infiltration   Approved by FDA   Pacira (worldwide)

 

Postsurgical analgesia—nerve block

 

Phase 2 (completed)

 

Pacira (worldwide)

 

Postsurgical analgesia—epidural administration

 

Phase 1 (completed)

 

Pacira (worldwide)

DepoCyt(e)

 

Lymphomatous
meningitis

 

Marketed

 

Sigma-Tau Pharmaceuticals
Mundipharma International

DepoDur

 

Post-operative pain

 

Marketed

 

EKR Therapeutics
Flynn Pharmaceuticals

DepoNSAID

 

Acute pain

 

Preclinical

 

Pacira (worldwide)

DepoMethotrexate

 

Rheumatoid arthritis Oncology

 

Preclinical
Preclinical

 

Pacira (worldwide)
Pacira (worldwide)

Postsurgical Pain Market Overview

        According to Thomson Reuters, roughly 45 million surgical procedures were performed in the United States during the twelve months ending in October 2007. We estimate there are approximately 39 million opportunities annually in the United States where EXPAREL could be used to improve patient outcomes and enhance hospital economics. Postsurgical pain is a response to tissue damage during surgery that stimulates peripheral nerves, which signal the brain to produce a sensory and psychological response. Numerous studies reveal that the incidence and severity of postsurgical pain is primarily determined by the type of surgery, duration of surgery and the pain treatment choice following surgery. Postsurgical pain is usually the most severe the first few days after the completion of a surgical procedure.

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Limitations of Current Therapies for Postsurgical Pain

        Substantially all surgical patients experience postsurgical pain, with approximately 50% reporting inadequate pain relief according to certain epidemiological studies. Unrelieved acute pain causes patient suffering and can lead to other health problems, which delays recovery from surgery and may result in higher healthcare costs. According to the Agency for Healthcare Research and Quality, aggressive prevention of pain is better than treatment of pain because, once established, pain is more difficult to suppress. Current multimodal therapy for postsurgical pain includes wound infiltration with local anesthetics combined with the systemic administration of opioid and non-steroidal anti-inflammatory drug, or NSAID, analgesics.

Our Solution—EXPAREL

        EXPAREL provides continuous and extended postsurgical analgesia for up to 72 hours and reduces the consumption of supplemental opioid medications. We believe this will simplify postsurgical pain management, minimize breakthrough episodes of pain and result in improved patient outcomes and enhanced hospital economics.

        Our EXPAREL strategy has four principal elements:

Replace the use of bupivacaine in postsurgical infiltration.    Based on our clinical data, EXPAREL:

Become the foundation of a postsurgical pain management regimen in order to reduce and delay opioid usage.    Based on the clinical data from our Phase 3 hemorrhoidectomy trial as well as our retrospective health outcomes studies data, EXPAREL:

Improve patient satisfaction.    We believe EXPAREL:

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Develop and seek approval of EXPAREL for nerve block and epidural administration.    We believe these additional indications for EXPAREL:

Maufacturing and Intellectual Property

        We manufacture all our DepoFoam-based products, including commercial supplies of DepoCyt(e) and DepoDur for our commercial partners. We currently manufacture clinical supplies of EXPAREL and intend to manufacture and commercialize EXPAREL now that it has been approved.

        We have developed significant know-how regarding our manufacturing process and protect our technology through trade secrets and patents. We have over 15 families of patents and patent applications relating to various aspects of DepoFoam delivery technology. Issued U.S. patents protect the composition of EXPAREL and methods for modifying its rate of drug release. We have also submitted additional patent applications related to the composition of, and manufacturing process for, EXPAREL. In addition, in April 2011 we filed a non-provisional patent application relating to a new process to manufacture EXPAREL and other DepoFoam-based products, which, if granted, could prevent others from using this process until 2031.

Our Strategy

        Our goal is to be a leading specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products principally for use in hospitals and ambulatory surgery centers. We plan to achieve this by:

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Risk Factors

        Our business is subject to a number of risks of which you should be aware before making an investment decision. These risks are discussed more fully in the "Risk Factors" section of this prospectus immediately following this prospectus summary. These risks include the following:

Corporate History and Information

        We were incorporated in Delaware under the name Blue Acquisition Corp. in December 2006 and changed our name to Pacira, Inc. in June 2007. In October 2010, we changed our name to Pacira Pharmaceuticals, Inc.

        Pacira Pharmaceuticals, Inc. is the holding company for our California operating subsidiary of the same name, which we refer to as PPI-California. On March 24, 2007, MPM Capital, Sanderling Ventures, OrbiMed Advisors, HBM BioVentures, the Foundation for Research and their co-investors, through Pacira Pharmaceuticals, Inc., acquired PPI-California, from SkyePharma Holding, Inc., which we refer to as the Acquisition. PPI-California was known as SkyePharma, Inc. prior to the Acquisition. In this prospectus, the term Predecessor refers to SkyePharma, Inc. prior to March 24, 2007, or the Acquisition Date, and the term Successor refers to Pacira Pharmaceuticals, Inc. and its consolidated subsidiaries.

        Our principal executive offices are located at 5 Sylvan Way, Suite 100, Parsippany, New Jersey 07054, and our telephone number is (973) 254-3560. Our website address is www.pacira.com. Information contained on our website is not incorporated by reference into this prospectus, and you should not consider information contained on our website to be part of this prospectus or in deciding whether to purchase shares of our common stock.

        Pacira®, DepoFoam®, DepoCyt® (U.S. registration), DepoCyte® (EU registration), DepoDur®, EXPAREL™, the Pacira logo and other trademarks or service marks of Pacira appearing in this prospectus are the property of Pacira. This prospectus contains additional trade names, trademarks and service marks of other companies. In the prospectus, references to DepoCyt(e) mean DepoCyt when discussed in the context of the United States and Canada and DepoCyte when discussed in the context of Europe.

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The Offering

Common stock offered by Pacira   6,000,000 shares

Common stock to be outstanding after this offering

 

23,228,827 shares (24,128,827 shares in the event the underwriters elect to exercise their option to purchase additional shares from us in full)

Use of proceeds

 

We estimate that the net proceeds to us from this offering, after deducting estimated underwriting discounts and commissions and estimated offering expenses, will be approximately $43.0 million, or $49.5 million if the underwriters exercise their option to purchase additional shares from us in full. We intend to use the net proceeds from this offering for the planned manufacture and commercialization of EXPAREL in the United States, and for working capital and other general corporate purposes.

 

 

See "Use of Proceeds."

Risk factors

 

You should read the "Risk Factors" section and other information included in this prospectus for a discussion of factors to consider carefully before deciding to invest in shares of our common stock.

The NASDAQ Global Market symbol

 

"PCRX"

        The number of shares of our common stock to be outstanding after this offering is based on 17,228,827 shares of common stock outstanding as of September 30, 2011, and excludes:

        Except as otherwise noted, all information in this prospectus:

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Summary Consolidated Financial Data

        The following tables summarize our consolidated financial data as of the dates and for the periods indicated. You should read this data together with our financial statements and related notes included elsewhere in this prospectus and the information under "Selected Consolidated Financial Data" and "Management's Discussion and Analysis of Financial Condition and Results of Operations." The consolidated financial data in this section is not intended to replace our consolidated financial statements and the accompanying notes. The unaudited consolidated financial data include, in the opinion of our management, all adjustments, consisting only of normal recurring adjustments that are necessary for a fair presentation of our financial position and results of operations for these periods. Our historical results for any prior period are not necessarily indicative of results to be expected in any future period, and our results for any interim period are not necessarily indicative of results to be expected for a full fiscal year.

        The consolidated financial data for the years ended December 31, 2008, 2009 and 2010 have been derived from our audited consolidated financial statements included elsewhere in this prospectus. The consolidated financial data as of September 30, 2011, and for the nine months ended September 30, 2010 and 2011, have been derived from our unaudited consolidated financial statements included elsewhere in this prospectus.

        The as adjusted consolidated balance sheet data at September 30, 2011 gives effect to our sale of shares of common stock offered by this prospectus at an assumed public offering price of $7.71 per share, which was the last reported sale price of our common stock on The NASDAQ Global Market on November 4, 2011, after deducting the estimated underwriting discounts and commissions and estimated offering expenses payable by us.

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  Year Ended December 31,   Nine Months Ended
September 30,
 
 
  2008   2009   2010   2010   2011  
 
   
  (audited)
   
  (unaudited)
  (unaudited)
 
 
   
  (in thousands, except share and per share data)
 

Consolidated Statement of Operations Data:

                               

Revenues

  $ 13,925   $ 15,006   $ 14,562   $ 12,371   $ 11,456  

Operating Expenses

                               
 

Cost of revenues

    17,463     12,301     12,276     10,168     10,138  
 

Research and development

    33,214     26,233     18,628     14,954     12,237  
 

Selling, general and administrative

    8,611     5,020     6,030     3,948     13,465  
                       
 

Total operating expenses

    59,288     43,554     36,934     29,070     35,840  
                       

Loss from operations

    (45,363 )   (28,548 )   (22,372 )   (16,699 )   (24,384 )

Other income (expense):

                               
 

Loss on early extinguishment of debt

            (184 )        
 

Interest income

    235     77     146     112     111  
 

Interest expense

        (1,723 )   (3,959 )   (2,577 )   (4,068 )
 

Royalty interest obligation

    3,490     (1,880 )   (930 )   (1,048 )   235  
 

Other income (expense)

    (224 )   367     150     107     61  
                       

Total other income (expense), net

    3,501     (3,159 )   (4,777 )   (3,406 )   (3,661 )
                       

Net loss

  $ (41,862 ) $ (31,707 ) $ (27,149 ) $ (20,105 ) $ (28,045 )
                       

Net loss per common share basic and diluted

  $ (79.23 ) $ (55.32 ) $ (47.29 ) $ (35.02 ) $ (1.89 )

Weighted average number of common shares-basic and diluted

    528,357     573,118     574,072     574,112     14,826,054  

 

 
  As of September 30, 2011  
 
  Actual   As Adjusted  
 
  (unaudited, in thousands)
 

Consolidated Balance Sheet Data:

             

Cash and cash equivalents

  $ 16,402   $ 59,386  

Short-term investments

    20,666     20,666  

Working capital

    25,571     68,555  

Total assets

    77,609     120,593  

Long-term debt, including current portion

    25,474     25,474  

Common stock

    17     23  

Additional paid-in capital

    178,821     221,799  

Accumulated deficit

    (164,956 )   (164,956 )

Total stockholders' equity

    13,875     56,859  

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RISK FACTORS

        Investing in our common stock involves a high degree of risk. Before you decide to invest in our common stock, you should consider carefully the risks described below, together with the other information contained in this prospectus, including our financial statements and the related notes appearing at the end of this prospectus. We believe the risks described below are the risks that are material to us as of the date of this prospectus. If any of the following risks actually occur, our business, financial condition, results of operations and future growth prospects would likely be materially and adversely affected. In these circumstances, the market price of our common stock could decline, and you may lose all or part of your investment.

Risks Related to the Development and Commercialization of our Product Candidates

Our success depends on our ability to successfully commercialize EXPAREL.

        We have invested a significant portion of our efforts and financial resources in the development of EXPAREL. Our success depends on our ability to effectively commercialize EXPAREL, which was approved by the FDA on October 28, 2011, for administration into the surgical site to produce postsurgical analgesia.

        We plan to commercially launch EXPAREL in the first quarter of 2012, but our ability to effectively commercialize and generate revenues from EXPAREL will depend on our ability to:

        Any disruption in our ability to generate revenues from the sale of EXPAREL or lack of success in its commercialization will have a material and adverse impact on our results of operations.

Our efforts to successfully commercialize EXPAREL are subject to many internal and external challenges and if we cannot overcome these challenges in a timely manner, our future revenues and profits could be materially and adversely impacted.

        As EXPAREL will be a newly marketed drug, none of the members of the EXPAREL sales force have ever promoted EXPAREL. As a result, we are required to expend significant time and resources to train the sales force to be credible and persuasive in convincing physicians and hospitals to use

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EXPAREL. In addition, we also must train the sales force to ensure that a consistent and appropriate message about EXPAREL is delivered to our potential customers. If we are unable to effectively train the sales force and equip them with effective materials, including medical and sales literature to help them inform and educate potential customers about the benefits and risks of EXPAREL and its proper administration, our efforts to successfully commercialize EXPAREL could be put in jeopardy, which could have a material adverse effect on our future revenues and profits.

        In addition to our extensive internal efforts, the successful commercialization of EXPAREL will require many third parties, over whom we have no control, to choose to utilize EXPAREL. These third parties include physicians and hospital pharmacy and therapeutics committees, which we refer to as P&T committees. Generally, before we can attempt to sell EXPAREL in a hospital, EXPAREL must be approved for addition to that hospital's list of approved drugs, or formulary list, by the hospital's P&T committee. A hospital's P&T committee typically governs all matters pertaining to the use of medications within the institution, including the review of medication formulary data and recommendations for the appropriate use of drugs within the institution to the medical staff. The frequency of P&T committee meetings at hospitals varies considerably, and P&T committees often require additional information to aid in their decision-making process. Therefore, we may experience substantial delays in obtaining formulary approvals. Additionally, hospital pharmacists may be concerned that the cost of acquiring EXPAREL for use in their institutions will adversely impact their overall pharmacy budgets, which could cause pharmacists to resist efforts to add EXPAREL to the formulary, or to implement restrictions on the usage of EXPAREL in order to control costs. We cannot guarantee that we will be successful in obtaining the approvals we need from enough P&T committees quickly enough to optimize hospital sales of EXPAREL.

        Even if we obtain hospital formulary approval for EXPAREL, physicians must still prescribe EXPAREL for its commercialization to be successful. Because EXPAREL is a new drug with no track record of sales in the United States, any inability to timely supply EXPAREL to our customers, or any unexpected side effects that develop from use of the drug, particularly early in product launch, may lead physicians to not accept EXPAREL as a viable treatment alternative.

        If EXPAREL does not achieve broad market acceptance, the revenues that we generate from its sales will be limited. The degree of market acceptance of EXPAREL will also depend on a number of other factors, including:

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        Our ability to effectively promote and sell EXPAREL and any product candidates that we may develop, license or acquire in the hospital marketplace will also depend on pricing and cost effectiveness, including our ability to produce a product at a competitive price and therefore achieve acceptance of the product onto hospital formularies, and our ability to obtain sufficient third-party coverage or reimbursement. Since many hospitals are members of group purchasing organizations, which leverage the purchasing power of a group of entities to obtain discounts based on the collective buying power of the group, our ability to attract customers in the hospital marketplace will also depend on our ability to effectively promote our product candidates to group purchasing organizations. We will also need to demonstrate acceptable evidence of safety and efficacy, as well as relative convenience and ease of administration. Market acceptance could be further limited depending on the prevalence and severity of any expected or unexpected adverse side effects associated with our product candidates.

        In addition, the labeling approved by the FDA does not contain claims that EXPAREL is safer or more effective than competitive products and does not permit us to promote EXPAREL as being superior to competing products. Further, the availability of inexpensive generic forms of postsurgical pain management products may also limit acceptance of EXPAREL among physicians, patients and third-party payers. If EXPAREL does not achieve an adequate level of acceptance among physicians, patients and third-party payers, we may not generate meaningful revenues from EXPAREL and we may not become profitable.

We face significant competition from other pharmaceutical and biotechnology companies. Our operating results will suffer if we fail to compete effectively.

        The pharmaceutical and biotechnology industries are intensely competitive and subject to rapid and significant technological change. Our major competitors include organizations such as major multinational pharmaceutical companies, established biotechnology companies and specialty pharmaceutical and generic drug companies. Many of our competitors have greater financial and other resources than we have, such as larger research and development staff, more extensive marketing, distribution, sales and manufacturing organizations and experience, more extensive clinical trial and regulatory experience, expertise in prosecution of intellectual property rights and access to development resources like personnel generally and technology. As a result, these companies may obtain regulatory approval more rapidly than we are able to and may be more effective in selling and marketing their products. Smaller or early stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large, established companies. Our competitors may succeed in developing, acquiring or licensing on an exclusive basis technologies and drug products that are more effective or less costly than EXPAREL or any product candidate that we are currently developing or that we may develop, which could render our products obsolete and noncompetitive or significantly harm the commercial opportunity for EXPAREL or our product candidates.

        As a result of these factors, our competitors may obtain patent protection or other intellectual property rights that limit our ability to develop other indications for, or commercialize, EXPAREL. Our competitors may also develop drugs that are more effective, useful or less costly than ours and may be more successful than us in manufacturing and marketing their products.

        EXPAREL will compete with well-established products with similar indications. Competing products available for postsurgical pain management include opioids such as morphine, fentanyl, meperidine and hydromorphone, each of which is available generically from several manufacturers, and several of which are available as proprietary products using novel delivery systems. Ketorolac, an injectable non-steroidal anti-inflammatory drug, or NSAID, is also available generically in the United States from several manufacturers, and Caldolor (ibuprofen for injection), an NSAID, has been approved by the FDA for pain management and fever in adults. In addition, EXPAREL will compete with non-opioid products such as bupivacaine, Marcaine, ropivacaine and other anesthetics/analgesics, all of which are also used in the treatment of postsurgical pain and are available as either oral tablets,

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injectable dosage forms or administered using novel delivery systems. Additional products may be developed for the treatment of acute pain, including new injectable NSAIDs, novel opioids, new formulations of currently available opioids and NSAIDS, long-acting local anesthetics and new chemical entities as well as alternative delivery forms of various opioids and NSAIDs.

        We will also compete with an extended release bupivacaine product in development by Durect Corporation which has been licensed to Hospira in North America (Posidur) and to Nycomed for Europe (Optesia). EXPAREL also competes with elastomeric bag/catheter devices intended to provide bupivacaine over several days. I-FLOW Corporation (acquired by Kimberly-Clark Corporation in 2009) has marketed these medical devices in the United States since 2004.

If we are unable to establish effective marketing and sales capabilities or enter into agreements with third parties to market and sell EXPAREL, we may be unable to generate product revenues.

        We are currently building our commercial infrastructure for the marketing, sale and distribution of pharmaceutical products. In order to commercialize EXPAREL, we must build our marketing, sales and distribution capabilities. We have entered into an agreement with Quintiles for the outsourcing of our specialty sales force of approximately 60 representatives. We may also seek to commercialize EXPAREL outside the United States, although we currently plan to do so with a marketing and sales collaborator and not with our own sales force.

        The establishment, development and training of our sales force and related compliance plans to market EXPAREL is expensive and time consuming and can potentially delay the commercial launch of EXPAREL. In the event we are not successful in developing our marketing and sales infrastructure, we may not be able to successfully commercialize EXPAREL, which would limit our ability to generate product revenues.

We rely on third parties to perform many essential services for EXPAREL and any other products that we commercialize, including services related to customer service support, warehousing and inventory program services, distribution services, contract administration and chargeback processing services, accounts receivable management and cash application services, and financial management and information technology services. If these third parties fail to perform as expected or to comply with legal and regulatory requirements, our ability to commercialize EXPAREL will be significantly impacted and we may be subject to regulatory sanctions.

        We have entered into agreements with third-party service providers to perform a variety of functions related to the sale and distribution of EXPAREL, key aspects of which are out of our direct control. These service providers provide key services related to customer service support, warehousing and inventory program services, distribution services, contract administration and chargeback processing services, accounts receivable management and cash application services, and financial management and information technology services. In addition, most of our inventory is stored at a single warehouse maintained by one such service provider. We substantially rely on these providers as well as other third-party providers that perform services for us, including entrusting our inventories of products to their care and handling. If these third-party service providers fail to comply with applicable laws and regulations, fail to meet expected deadlines, or otherwise do not carry out their contractual duties to us, or encounter physical or natural damage at their facilities, our ability to deliver product to meet commercial demand would be significantly impaired. In addition, we may engage third parties to perform various other services for us relating to adverse event reporting, safety database management, fulfillment of requests for medical information regarding our product candidates and related services. If the quality or accuracy of the data maintained by these service providers is insufficient, we could be subject to regulatory sanctions.

        Distribution of our DepoFoam-based products, including EXPAREL, requires cold-chain distribution provided by third parties, whereby the product must be maintained between specified

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temperatures. We and our partners have utilized similar cold-chain processes for DepoCyt(e) and DepoDur. If a problem occurs in our cold-chain distribution processes, whether through our failure to maintain our products or product candidates between specified temperatures or because of a failure of one of our distributors or partners to maintain the temperature of the products or product candidates, the product or product candidate could be adulterated and rendered unusable. This could have a material adverse effect on our business, financial condition, results of operations and reputation.

We will need to increase the size of our organization and effectively manage our sales force, and we may experience difficulties in managing growth.

        As of September 30, 2011, we had 122 employees. We will need to substantially expand our managerial, commercial, financial, manufacturing and other personnel resources in order to manage our operations and prepare for the commercialization of EXPAREL. Our management, personnel, systems and facilities currently in place may not be adequate to support this future growth. In addition, we may not be able to recruit and retain qualified personnel in the future, particularly marketing positions, due to competition for personnel among pharmaceutical businesses, and the failure to do so could have a significant negative impact on our future product revenues and business results. We will also need to effectively manage our sales force that we outsource from Quintiles. Our need to effectively manage our operations, growth and various projects requires that we:

        We may be unable to successfully implement these tasks on a larger scale and, accordingly, may not achieve our development and commercialization goals.

We are reliant on our contract with Quintiles for the marketing and sale of EXPAREL.

        We have entered into an agreement with Quintiles for the outsourcing of a sales force to commercialize EXPAREL. The risks in outsourcing the sales function to any third party include the following:

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We are substantially dependent on the success of Quintiles in performing its responsibilities and the continued cooperation of Quintiles, including Quintiles' cooperation with our training of the sales and marketing force. Quintiles may not cooperate with us to perform its obligations under our agreement and we cannot control the amount and timing of Quintiles' resources that will be devoted to the marketing and sale of EXPAREL. The occurrence of any of these events could adversely affect the commercialization of EXPAREL and materially harm our business and stock price by slowing the pace of growth of such sales, by reducing the profitability of EXPAREL or by adversely affecting the reputation of EXPAREL in the market.

We may not be able to manage our business effectively if we are unable to attract and retain key personnel.

        We may not be able to attract or retain qualified management and commercial, scientific and clinical personnel due to the intense competition for qualified personnel among biotechnology, pharmaceutical and other businesses, particularly in the San Diego, California and Northern New Jersey areas. If we are not able to attract and retain necessary personnel to accomplish our business objectives, we may experience constraints that will significantly impede the achievement of our development objectives, our ability to raise additional capital and our ability to implement our business strategy.

        Our industry has experienced a high rate of turnover of management personnel in recent years. We are highly dependent on the development and manufacturing expertise for our DepoFoam delivery technology and the commercialization expertise of certain members of our senior management. In particular, we are highly dependent on the skills and leadership of our management team, including David Stack, our president and chief executive officer. If we lose one or more of these key employees, our ability to successfully implement our business strategy could be seriously harmed. Replacing key employees may be difficult and may take an extended period of time because of the limited number of individuals in our industry with the breadth of skills and experience required to develop, gain regulatory approval of and commercialize products successfully. Competition to hire from this limited pool is intense, and we may be unable to hire, train, retain or motivate additional key personnel.

        Mr. Stack, our chief executive officer, is also a managing director at MPM Capital and a managing partner of Stack Pharmaceuticals, Inc. Although Mr. Stack has devoted substantially all of his time to our company over the past 12 months, Mr. Stack's responsibilities at MPM Capital and Stack Pharmaceuticals, Inc. might require that he spend less than all his time managing our company in the future.

        Under our consulting agreement with Gary Patou, M.D., our chief medical officer, he is not required to devote all of his time to our company. We cannot assure you that Dr. Patou's time commitment to us will be sufficient to perform the duties of our chief medical officer.

We face potential product liability exposure, and if successful claims are brought against us, we may incur substantial liability for DepoCyt(e), DepoDur, EXPAREL or product candidates that we may develop and may have to limit their commercialization.

        The use of DepoCyt(e), DepoDur, EXPAREL and any product candidates that we may develop, license or acquire in clinical trials and the sale of any products for which we obtain regulatory approval expose us to the risk of product liability claims. Product liability claims might be brought against us by consumers, health care providers or others using, administering or selling our products. If we cannot successfully defend ourselves against these claims, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in:

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        We have obtained limited product liability insurance coverage for our products and our clinical trials with a $10.0 million annual aggregate coverage limit. However, our insurance coverage may not reimburse us or may not be sufficient to reimburse us for any expenses or losses we may suffer. Moreover, insurance coverage is becoming increasingly expensive, and, in the future, we may not be able to maintain insurance coverage at a reasonable cost or in sufficient amounts to protect us against losses due to liability. We intend to expand our insurance coverage to include the sale of additional commercial products upon FDA approval for our product candidates in development, but we may be unable to obtain commercially reasonable product liability insurance for any products approved for marketing, or at all. On occasion, large judgments have been awarded in class action lawsuits based on drugs that had unanticipated side effects. A successful product liability claim or series of claims brought against us could cause our stock price to fall and, if judgments exceed our insurance coverage, could decrease our cash and adversely affect our business.

If we fail to manufacture EXPAREL in sufficient quantities and at acceptable quality and pricing levels, or to fully comply with cGMP regulations, we may face delays in the commercialization of this product or be unable to meet market demand, and may lose potential revenues.

        The manufacture of EXPAREL requires significant expertise and capital investment, including the development of advanced manufacturing techniques and process controls, and the use of specialized processing equipment. We must comply with federal, state and foreign regulations, including FDA's regulations governing current Good Manufacturing Practices, or cGMP, enforced by the FDA through its facilities inspection program and by similar regulatory authorities in other jurisdictions where we do business. These requirements include, among other things, quality control, quality assurance and the maintenance of records and documentation. The FDA or similar foreign regulatory authorities at any time may implement new standards, or change their interpretation and enforcement of existing standards for manufacture, packaging or testing of our products. Any failure to comply with applicable regulations may result in fines and civil penalties, suspension of production, product seizure or recall, imposition of a consent decree, or withdrawal of product approval, and would limit the availability of our product. Any manufacturing defect or error discovered after products have been produced and distributed also could result in significant consequences, including costly recall procedures, re-stocking costs, damage to our reputation and potential for product liability claims.

        We purchase raw materials and components from various suppliers in order to manufacture EXPAREL. If we are unable to source the required raw materials from our suppliers, we may experience delays in manufacturing EXPAREL and may not be able to meet our customers' demands for EXPAREL.

        If we are unable to produce the required commercial quantities of EXPAREL to meet market demand for EXPAREL on a timely basis or at all, or if we fail to comply with applicable laws for the manufacturing of EXPAREL, we will suffer damage to our reputation and commercial prospects and we will lose potential revenues.

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We are the sole manufacturer of DepoCyt(e) and DepoDur and we only have two FDA approved manufacturing facilities. Our inability to continue manufacturing adequate supplies of DepoCyt(e) and DepoDur could result in a disruption in the supply of DepoCyt(e) and DepoDur to our partners.

        We are the sole manufacturer of DepoCyt(e) and DepoDur. We develop and manufacture DepoCyt(e) and DepoDur at our facilities in San Diego, California, which are the only FDA approved sites for manufacturing DepoCyt(e) and DepoDur in the world. Our San Diego facilities are subject to the risks of a natural or man-made disaster, including earthquakes and fires, or other business disruption. There can be no assurance that we would be able to meet our requirements for DepoCyt(e) and DepoDur if there were a catastrophic event or failure of our current manufacturing system. If we are required to change or add a new manufacturer or supplier, the process would likely require prior FDA and/or equivalent foreign regulatory authority approval, and would be very time consuming. An inability to continue manufacturing adequate supplies of DepoCyt(e) and DepoDur at our facility in San Diego, California could result in a disruption in the supply of DepoCyt(e) and DepoDur to our partners and breach of our contractual obligations.

If we fail to manufacture DepoCyt(e) and DepoDur we will lose revenues and be in breach of our licensing obligations.

        We have licensed the commercial rights in specified territories of the world to market and sell our products, DepoCyt(e) and DepoDur. Under those licenses we have obligations to manufacture commercial product for our commercial partners. If we are unable to timely fill the orders placed with us by our commercial partners, we will potentially lose revenue and be in breach of our licensing obligations under the agreements. In addition, we would be in breach of our obligations to comply with our supply and distribution agreements for DepoCyt(e) and DepoDur, which would in turn be a breach of our obligations under our amended and restated royalty interests assignment agreement, or the Amended and Restated Royalty Interests Assignment Agreement, with Royalty Securitization Trust I, an affiliate of Paul Capital Advisors, LLC, or Paul Capital. See "Risk Factors—Risks Related to Our Financial Condition and Capital Requirements—Under our financing arrangement with Paul Capital, upon the occurrence of certain events, Paul Capital may require us to repurchase the right to receive royalty payments that we assigned to it, or may foreclose on certain assets that secure our obligations to Paul Capital. Any exercise by Paul Capital of its right to cause us to repurchase the assigned right or any foreclosure by Paul Capital would adversely affect our results of operations and our financial condition."

        We rely on third parties for the timely supply of specified raw materials and equipment for the manufacture of DepoCyt(e) and DepoDur. Although we actively manage these third-party relationships to provide continuity and quality, some events which are beyond our control could result in the complete or partial failure of these goods and services. Any such failure could have a material adverse effect on our financial condition and operations.

        The manufacture of pharmaceutical products requires significant expertise and capital investment, including the development of advanced manufacturing techniques and process controls, and the use of specialized processing equipment. We must comply with federal, state and foreign regulations, including current Good Manufacturing Practices, or cGMP, regulations and in the case of the manufacturing of DepoDur required government licenses regarding the storage and use of controlled substances. Any failure to comply with applicable regulations may result in fines and civil penalties, suspension of production, suspension or delay in product approval for sale, product seizure or recall, or withdrawal of product approval, and would limit the availability of our product. Any manufacturing defect or error discovered after products have been produced and distributed could result in even more significant consequences, including costly recall procedures, re-stocking costs, damage to our reputation, product liability claims and litigation.

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Our future growth depends on our ability to identify, develop, acquire or in-license products and if we do not successfully identify develop, acquire or in-license related product candidates or integrate them into our operations, we may have limited growth opportunities.

        An important part of our business strategy is to continue to develop a pipeline of product candidates by developing, acquiring or in-licensing products, businesses or technologies that we believe are a strategic fit with our focus on the hospital marketplace. However, these business activities may entail numerous operational and financial risks, including:

        We have limited resources to identify and execute the development, acquisition or in-licensing of products, businesses and technologies and integrate them into our current infrastructure. We may compete with larger pharmaceutical companies and other competitors in our efforts to establish new collaborations and in-licensing opportunities. These competitors likely will have access to greater financial resources than us and may have greater expertise in identifying and evaluating new opportunities. Moreover, we may devote resources to potential development, acquisitions or in-licensing opportunities that are never completed, or we may fail to realize the anticipated benefits of such efforts.

Our business involves the use of hazardous materials and we must comply with environmental laws and regulations, which can be expensive and restrict how we do business.

        Our manufacturing activities involve the controlled storage, use and disposal of hazardous materials, including the components of our products, product candidates and other hazardous compounds. We are subject to federal, state and local laws and regulations governing the use, manufacture, storage, handling, release and disposal of, and exposure to, these hazardous materials. Violation of these laws and regulations could lead to substantial fines and penalties. Although we believe that our safety procedures for handling and disposing of these materials comply with the standards prescribed by these laws and regulations, we cannot eliminate the risk of accidental contamination or injury from these materials. In the event of an accident, state or federal authorities may curtail our use of these materials and interrupt our business operations. In addition, we could become subject to potentially material liabilities relating to the investigation and cleanup of any contamination, whether currently unknown or caused by future releases.

Our business and operations would suffer in the event of system failures.

        Despite the implementation of security measures, our internal computer systems are vulnerable to damage from computer viruses, unauthorized access, natural disasters, terrorism, war and

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telecommunication and electrical failures. Any system failure, accident or security breach that causes interruptions in our operations could result in a material disruption of our product development programs. For example, the loss of clinical trial data from completed clinical trials for EXPAREL could result in delays in our regulatory approval efforts and significantly increase our costs to recover or reproduce the data. To the extent that any disruption or security breach results in a loss or damage to our data or applications, or inappropriate disclosure of confidential or proprietary information, we may incur liability and the further development of our product candidates may be delayed.

Any collaboration arrangements that we may enter into in the future may not be successful, which could adversely affect our ability to develop and commercialize our product candidates.

        Our business model is to commercialize our product candidates in the United States and generally to seek collaboration arrangements with pharmaceutical or biotechnology companies for the development or commercialization of our product candidates in the rest of the world. Accordingly, we may enter into collaboration arrangements in the future on a selective basis. Any future collaboration arrangements that we enter into may not be successful. The success of our collaboration arrangements will depend heavily on the efforts and activities of our collaborators. Collaborators generally have significant discretion in determining the efforts and resources that they will apply to these collaboration arrangements.

        Disagreements between parties to a collaboration arrangement regarding clinical development and commercialization matters can lead to delays in the development process or commercializing the applicable product candidate and, in some cases, termination of the collaboration arrangement. These disagreements can be difficult to resolve if neither of the parties has final decision making authority.

        Collaborations with pharmaceutical companies and other third parties often are terminated or allowed to expire by the other party. Any such termination or expiration would adversely affect us financially and could harm our business reputation.

Regulatory Risks

We may not receive regulatory approval for any of our product candidates, or the approval may be delayed for various reasons, including successful challenges to the FDA's interpretation of Section 505(b)(2), which would have a material adverse effect on our business and financial condition.

        We may experience delays in our efforts to obtain regulatory approval from the FDA for any of our product candidates, and there can be no assurance that such approval will not be delayed, or that the FDA will ultimately approve these product candidates.

        The FDA, as a condition of the EXPAREL approval on October 28, 2011, has required us to study EXPAREL in pediatric patients. We have agreed to a trial timeline where, over several years, we will study pediatric patient populations in descending order starting with 12 - 18 year olds and ending with children under two years of age. These trials will be expensive and time consuming and we will be required to meet the timelines for completion as agreed with the FDA.

The FDA may determine that EXPAREL or any of our product candidates have undesirable side effects.

        If concerns are raised regarding the safety of a new drug as a result of undesirable side effects identified during clinical testing, the FDA may decline to approve the drug at the end of the NDA review period or issue a letter requesting additional data or information prior to making a final decision regarding whether or not to approve the drug. The number of such requests for additional data or information issued by the FDA in recent years has increased, and resulted in substantial delays in the approval of several new drugs. Undesirable side effects caused by EXPAREL or any product candidate could also result in the inclusion of unfavorable information in our product labeling,

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imposition of distribution or use restrictions, a requirement to conduct post-market studies, denial of regulatory approval by the FDA or other regulatory authorities for any or all targeted indications, and in turn prevent us from commercializing and generating revenues from the sale of EXPAREL or any product candidate.

        For example, the side effects observed in the EXPAREL clinical trials completed to date include nausea and vomiting. In addition, the class of drugs that EXPAREL belongs to has been associated with nervous system and cardiovascular toxicities at high doses. We cannot be certain that these side effects and others will not be observed in the future, or that the FDA will not require additional trials or impose more severe labeling restrictions due to these side effects or other concerns. The active component of EXPAREL is bupivacaine and bupivacaine infusions have been associated with the destruction of articular cartilage, or chondrolysis. Chondrolysis has not been observed in clinical trials of EXPAREL, but we cannot be certain that this side effect will not be observed in the future.

        Following approval of EXPAREL or any of our product candidates, if we or others later identify undesirable side effects caused by such products:

        Any of these events could prevent us from achieving or maintaining market acceptance of EXPAREL or any of our product candidates and could substantially increase our commercialization costs and expenses, which in turn could delay or prevent us from generating significant revenues from its sale.

Regulatory approval for any approved product is limited by the FDA to those specific indications and conditions for which clinical safety and efficacy have been demonstrated.

        Any regulatory approval is limited to those specific diseases and indications for which a product is deemed to be safe and effective by the FDA. For example, the FDA-approved label for EXPAREL does not include an indication in obstetrical paracervical block anesthesia. In addition to the FDA approval required for new formulations, any new indication for an approved product also requires FDA approval. If we are not able to obtain FDA approval for any desired future indications for our products and product candidates, our ability to effectively market and sell our products may be reduced and our business may be adversely affected.

        While physicians may choose to prescribe drugs for uses that are not described in the product's labeling and for uses that differ from those tested in clinical studies and approved by the regulatory authorities, our ability to promote the products is limited to those indications that are specifically approved by the FDA. These "off-label" uses are common across medical specialties and may constitute an appropriate treatment for some patients in varied circumstances. Regulatory authorities in the United States generally do not regulate the behavior of physicians in their choice of treatments. Regulatory authorities do, however, restrict communications by pharmaceutical companies on the subject of off-label use. If our promotional activities fail to comply with these regulations or guidelines, we may be subject to warnings from, or enforcement action by, these authorities. In addition, our

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failure to follow FDA rules and guidelines relating to promotion and advertising may cause the FDA to issue warning letters or untitled letters, suspend or withdraw an approved product from the market, require a recall or institute fines or civil fines, or could result in disgorgement of money, operating restrictions, injunctions or criminal prosecution, any of which could harm our business.

EXPAREL and any other products we may market, including DepoCyt(e) and DepoDur, will remain subject to substantial regulatory scrutiny.

        EXPAREL, DepoCyt(e) and DepoDur and any product candidates that we may develop, license or acquire will also be subject to ongoing FDA requirements with respect to the manufacturing, labeling, packaging, storage, distribution, advertising, promotion, record-keeping and submission of safety and other post-market information on the drug. In addition, the subsequent discovery of previously unknown problems with a product may result in restrictions on the product, including withdrawal of the product from the market.

        If EXPAREL, DepoCyt(e) and DepoDur or any other product that we may develop, license or acquire fails to comply with applicable regulatory requirements, such as cGMP regulations, a regulatory agency may:

        For example, the FDA informed us that certain adverse event reports related to DepoCyt(e) and DepoDur submitted to us during the previous two years were not submitted by us to the FDA within the required 15-day timeframe for reporting such events. In response to the FDA's observations, we enhanced our reporting procedures and hired additional personnel to support our pharmacovigilance efforts.

If we fail to comply with federal and state healthcare laws, including fraud and abuse and health information privacy and security laws, we could face substantial penalties and our business, results of operations, financial condition and prospects could be adversely affected.

        As a pharmaceutical company, even though we do not provide healthcare services or receive payments directly from or bill directly to Medicare, Medicaid or other third-party payers for our products, certain federal and state healthcare laws and regulations pertaining to fraud and abuse and patients' rights are and will be applicable to our business. We would be subject to healthcare fraud and abuse and patient privacy regulation by both the federal government and the states in which we conduct our business. The laws that may affect our ability to operate include:

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        Because of the breadth of these laws and the narrowness of the statutory exceptions and safe harbors available under the U.S. federal Anti-Kickback Statute, it is possible that some of our business activities could be subject to challenge under one or more of such laws. Recently, several pharmaceutical and other healthcare companies have been prosecuted under the federal false claims laws for allegedly inflating drug prices they report to pricing services, which in turn are used by the government to set Medicare and Medicaid reimbursement rates, and for allegedly providing free product to customers with the expectation that the customers would bill federal programs for the product. In addition, certain marketing practices, including off-label promotion, may also violate false claims laws. To the extent that any product we make is sold in a foreign country, we may be subject to similar foreign laws and regulations.

        Further, there has been a recent trend in the increase of federal and state laws and regulations regarding consulting arrangements with physicians. Some states, such as California, Massachusetts and Vermont, mandate that we comply with a state code of conduct, disclose marketing payments made to physicians, and report compliance information to the state authorities. Some states, such as Massachusetts, have created an internet database to provide disclosed information on certain transactions with physicians to the public. The shifting compliance environment and the need to build and maintain robust and expandable systems to comply in multiple jurisdictions with different compliance and reporting requirements increases the possibility that a pharmaceutical company may run afoul of one or more of the requirements.

        If our past or present operations, or those of our distributors are found to be in violation of any of the laws described above or any other governmental regulations that apply to us, we may be subject to penalties, including civil and criminal penalties, damages, fines, exclusion from participation in U.S. federal or state health care programs, and the curtailment or restructuring of our operations. Similarly, if the healthcare providers, distributors or other entities with whom we do business are found to be out of compliance with applicable laws and regulations, they may be subject to sanctions, which could also have a negative impact on us. The risk of being found to have violated such laws is increased by the fact that many of them have not been fully interpreted by the regulatory authorities or the courts, and their provisions are open to a variety of interpretations. Any penalties, damages, fines, curtailment or

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restructuring of our operations could materially adversely affect our ability to operate our business and our financial results. Although compliance programs can mitigate the risk of investigation and prosecution for violations of these laws, the risks cannot be entirely eliminated. Any action against us for violation of these laws, even if we successfully defend against it, could cause us to incur significant legal expenses and divert our management's attention from the operation of our business. Moreover, achieving and sustaining compliance with applicable federal and state privacy, security and fraud laws may prove costly.

The design, development, manufacture, supply, and distribution of EXPAREL, DepoCyt(e) and DepoDur is highly regulated and technically complex.

        The design, development, manufacture, supply, and distribution of our products EXPAREL, DepoCyt(e) and DepoDur is technically complex and highly regulated. We, along with our third-party providers, must comply with all applicable regulatory requirements of the FDA and foreign authorities. In addition, the facilities used to manufacture, store, and distribute our products are subject to inspection by regulatory authorities at any time to determine compliance with applicable regulations.

        The manufacturing techniques and facilities used for the manufacture and supply of our products must be operated in conformity with cGMP. In complying with cGMP requirements, we, along with our suppliers, must continually expend time, money and effort in production, record keeping, and quality assurance and control to ensure that our products meet applicable specifications and other requirements for safety, efficacy and quality. In addition, we, along with our suppliers, are subject to unannounced inspections by the FDA and other regulatory authorities.

        Any failure to comply with regulatory and other legal requirements applicable to the manufacture, supply and distribution of our products could lead to remedial action (such as recalls), civil and criminal penalties and delays in manufacture, supply and distribution of our products. For instance, in connection with routine inspections of one of our manufacturing facilities in April and May 2008, the FDA issued a Form 483 Notice of Inspectional Observations identifying certain deficiencies with respect to our laboratory control system for Depocyt(e). As a result, we did not release new lots of Depocyt(e) for a limited time period as we validated a new assay. We also submitted the new assay to the FDA in July 2008 and in August 2008 we began releasing new lots of DepoCyt(e).

If we fail to comply with the extensive regulatory requirements to which we and our products, EXPAREL, DepoCyt(e) and DepoDur, are subject, such products could be subject to restrictions or withdrawal from the market and we could be subject to penalties.

        The testing, manufacturing, labeling, safety, advertising, promotion, storage, sales, distribution, export and marketing, among other things, of our products EXPAREL, DepoCyt(e) and DepoDur are subject to extensive regulation by governmental authorities in the United States and elsewhere throughout the world. Quality control and manufacturing procedures regarding EXPAREL, DepoCyt(e) and DepoDur must conform to cGMP. Regulatory authorities, including the FDA, periodically inspect manufacturing facilities to assess compliance with cGMP. Our failure or the failure of our contract manufacturers to comply with the laws administered by the FDA or other governmental authorities could result in, among other things, any of the following:

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If the government or third-party payers fail to provide coverage and adequate coverage and payment rates for EXPAREL, DepoCyt(e), DepoDur or any future products we may develop, license or acquire, if any, or if hospitals choose to use therapies that are less expensive, our revenue and prospects for profitability will be limited.

        In both domestic and foreign markets, sales of our existing products and any future products will depend in part upon the availability of coverage and reimbursement from third-party payers. Such third-party payers include government health programs such as Medicare and Medicaid, managed care providers, private health insurers and other organizations. Coverage decisions may depend upon clinical and economic standards that disfavor new drug products when more established or lower cost therapeutic alternatives are already available or subsequently become available. Assuming coverage is approved, the resulting reimbursement payment rates might not be adequate. In particular, many U.S. hospitals receive a fixed reimbursement amount per procedure for certain surgeries and other treatment therapies they perform. Because this amount may not be based on the actual expenses the hospital incurs, hospitals may choose to use therapies which are less expensive when compared to our product candidates. Accordingly, EXPAREL, DepoCyt(e), DepoDur or any product candidates that we may develop, in-license or acquire, if approved, will face competition from other therapies and drugs for these limited hospital financial resources. We may need to conduct post-marketing studies in order to demonstrate the cost-effectiveness of any future products to the satisfaction of hospitals, other target customers and their third-party payers. Such studies might require us to commit a significant amount of management time and financial and other resources. Our future products might not ultimately be considered cost-effective. Adequate third-party coverage and reimbursement might not be available to enable us to maintain price levels sufficient to realize an appropriate return on investment in product development.

        Third party payers, whether foreign or domestic, or governmental or commercial, are developing increasingly sophisticated methods of controlling healthcare costs. In addition, in the United States, no uniform policy of coverage and reimbursement for drug products exists among third-party payers. Therefore, coverage and reimbursement for drug products can differ significantly from payer to payer.

        Further, we believe that future coverage and reimbursement will likely be subject to increased restrictions both in the United States and in international markets. Third-party coverage and reimbursement for our products or product candidates for which we receive regulatory approval may not be available or adequate in either the United States or international markets, which could have a negative effect on our business, results of operations, financial condition and prospects.

We are subject to new legislation, regulatory proposals and healthcare payer initiatives that may increase our costs of compliance and adversely affect our ability to market our products, obtain collaborators and raise capital.

        In March 2010, the President signed the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Affordability Reconciliation Act, which we refer to collectively as the Health Care Reform Law. The Health Care Reform Law makes extensive changes to the delivery

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of health care in the United States. Among the provisions of the Health Care Reform Law of greatest importance to the pharmaceutical industry are the following:

        These measures could result in decreased net revenues from our pharmaceutical products and decrease potential returns from our development efforts. A number of states have challenged the constitutionality of certain provisions of the Health Care Reform Law, and many of these court challenges are still pending final adjudication. Congress has also proposed a number of legislative initiatives, including possible repeal of the Health Care Reform Law. At this time, it remains unclear whether there will be any changes made to the Health Care Reform Law, whether to certain provisions or its entirety. In addition, some details regarding the implementation of the Health Care Reform Law

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are yet to be determined, and at this time, the full effect that the Health Care Reform Law would have on our business remains unclear.

        In addition, other legislative changes have been proposed and adopted since the Health Care Reform Law was enacted. Most recently, on August 2, 2011, the President signed into law the Budget Control Act of 2011, which, among other things, creates the Joint Select Committee on Deficit Reduction to recommend proposals in spending reductions to Congress. The Joint Select Committee may consider all elements of discretionary and non-discretionary spending, and its recommendations could result in reduced spending under Medicare and Medicaid for prescription drugs. In the event that the Joint Select Committee is unable to achieve a targeted deficit reduction of at least $1.2 trillion for the years 2013 through 2021, or Congress does not act on the committee's recommendation, without amendment, by December 23, 2011, an automatic reduction is triggered. These automatic cuts would be made to several government programs and, with respect to Medicare, would include aggregate reductions to Medicare payments to providers of up to 2% per fiscal year, starting in 2013. The full impact on our business of the new law is uncertain. Nor is it clear whether other legislative changes will be adopted, if any, or how such changes would affect the demand for our products.

        In addition, there have been a number of other legislative and regulatory proposals aimed at changing the pharmaceutical industry. In particular, California has enacted legislation that requires development of an electronic pedigree to track and trace each prescription drug at the saleable unit level through the distribution system. California's electronic pedigree requirement is scheduled to take effect in January 2015. Compliance with California and future federal or state electronic pedigree requirements may increase our operational expenses and impose significant administrative burdens. As a result of these and other new proposals, we may determine to change our current manner of operation, provide additional benefits or change our contract arrangements, any of which could have a material adverse effect on our business, financial condition and results of operations.

Public concern regarding the safety of drug products such as EXPAREL could result in the inclusion of unfavorable information in our labeling, or require us to undertake other activities that may entail additional costs.

        In light of widely publicized events concerning the safety risk of certain drug products, the FDA, members of Congress, the Government Accountability Office, medical professionals and the general public have raised concerns about potential drug safety issues. These events have resulted in the withdrawal of drug products, revisions to drug labeling that further limit use of the drug products and the establishment of risk management programs that may, for example, restrict distribution of drug products after approval. The Food and Drug Administration Amendments Act of 2007, or FDAAA, grants significant expanded authority to the FDA, much of which is aimed at improving the safety of drug products before and after approval. In particular, the FDAAA authorizes the FDA to, among other things, require post-approval studies and clinical trials, mandate changes to drug labeling to reflect new safety information and require risk evaluation and mitigation strategies for certain drugs, including certain currently approved drugs. It also significantly expands the federal government's clinical trial registry and results databank, which we expect will result in significantly increased government oversight of clinical trials. Under the FDAAA, companies that violate these and other provisions of the new law are subject to substantial civil monetary penalties, among other regulatory, civil and criminal penalties. The increased attention to drug safety issues may result in a more cautious approach by the FDA in its review of data from our clinical trials. Data from clinical trials may receive greater scrutiny, particularly with respect to safety, which may make the FDA or other regulatory authorities more likely to require additional preclinical studies or clinical trials. If the FDA requires us to provide additional clinical or preclinical data for EXPAREL, the indications for which this product candidate was approved may be limited or there may be specific warnings or limitations on dosing, and our efforts to commercialize EXPAREL may be otherwise adversely impacted.

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Our product, DepoDur, is subject to regulation by the Drug Enforcement Agency and such regulation may affect the sale of DepoDur.

        Products used to treat and manage pain, especially in the case of opioids, are from time to time subject to negative publicity, including illegal use, overdoses, abuse, diversion, serious injury and death. These events have led to heightened regulatory scrutiny. Controlled substances are classified by the DEA as Schedule I through V substances, with Schedule I substances being prohibited for sale in the United States, Schedule II substances considered to present the highest risk of abuse and Schedule V substances being considered to present the lowest relative risk of abuse. DepoDur contains morphine, and it is regulated as a Schedule II controlled substance. Despite the strict regulations on the marketing, prescribing and dispensing of such substances, illicit use and abuse of morphine does occur. Thus, the marketing of DepoDur by our partners may generate public controversy that may adversely affect sales of DepoDur and decrease the revenue we receive from the sale of DepoDur.

        In addition, we and our contract manufacturers are subject to ongoing DEA regulatory obligations, including, among other things, annual registration renewal, security, recordkeeping, theft and loss reporting, periodic inspection and annual quota allotments for the raw material for commercial production of our products. The DEA, and some states, conduct periodic inspections of registered establishments that handle controlled substances. Facilities that conduct research, manufacture, store, distribute, import or export controlled substances must be registered to perform these activities and have the security, control and inventory mechanisms required by the DEA to prevent drug loss and diversion. Failure to maintain compliance, particularly non-compliance resulting in loss or diversion, can result in regulatory action that could have a material adverse effect on our business, results of operations, financial condition and prospects. The DEA may seek civil penalties, refuse to renew necessary registrations, or initiate proceedings to revoke those registrations. In certain circumstances, violations could lead to criminal proceedings.

        Individual states also have controlled substances laws. Though state controlled substances laws often mirror federal law, because the states are separate jurisdictions, they may separately schedule drugs, as well. While some states automatically schedule a drug when the DEA does so, in other states there has to be rulemaking or a legislative action. State scheduling may delay commercial sale of any controlled substance drug product for which we obtain federal regulatory approval and adverse scheduling could have a material adverse effect on the commercial attractiveness of such product. We or our partners must also obtain separate state registrations in order to be able to obtain, handle, and distribute controlled substances for clinical trials or commercial sale, and failure to meet applicable regulatory requirements could lead to enforcement and sanctions from the states in addition to those from the DEA or otherwise arising under federal law.

Risks Related to Intellectual Property

The patents and the patent applications that we have covering our products are limited to specific injectable formulations, processes and uses of drugs encapsulated in our DepoFoam drug delivery technology and our market opportunity for our product candidates may be limited by the lack of patent protection for the active ingredient itself and other formulations and delivery technology and systems that may be developed by competitors.

        The active ingredients in EXPAREL, DepoCyt(e) and DepoDur are bupivacaine, cytarabine and morphine, respectively. Patent protection for the bupivacaine, cytarabine and morphine molecules themselves has expired and generic immediate-release products are available. As a result, competitors who obtain the requisite regulatory approval can offer products with the same active ingredients as EXPAREL, DepoCyt(e) and DepoDur so long as the competitors do not infringe any process, use or formulation patents that we have developed for these drugs encapsulated in our DepoFoam drug delivery technology.

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        For example, we are aware of at least one long acting injectable bupivacaine product in development which utilizes an alternative delivery system to EXPAREL. Such a product is similar to EXPAREL in that it also extends the duration of effect of bupivacaine, but achieves this clinical outcome using a completely different drug delivery system compared to our DepoFoam drug delivery technology.

        The number of patents and patent applications covering products in the same field as EXPAREL indicates that competitors have sought to develop and may seek to market competing formulations that may not be covered by our patents and patent applications. The commercial opportunity for EXPAREL could be significantly harmed if competitors are able to develop and commercialize alternative formulations of bupivacaine that are long acting but outside the scope of our patents.

        Now that EXPAREL is approved by the FDA, one or more third parties may challenge the patents covering this product, which could result in the invalidation or unenforceability of some or all of the relevant patent claims. For example, if a third party files an Abbreviated New Drug Application, or ANDA, for a generic drug product containing bupivacaine and relies in whole or in part on studies conducted by or for us, the third party will be required to certify to the FDA that either: (1) there is no patent information listed in the FDA's Orange Book with respect to our NDA for EXPAREL; (2) the patents listed in the Orange Book have expired; (3) the listed patents have not expired, but will expire on a particular date and approval is sought after patent expiration; or (4) the listed patents are invalid or will not be infringed by the manufacture, use or sale of the third-party's generic drug product. A certification that the new product will not infringe the Orange Book-listed patents for EXPAREL, or that such patents are invalid, is called a paragraph IV certification. If the third party submits a paragraph IV certification to the FDA, a notice of the paragraph IV certification must also be sent to us once the third-party's ANDA is accepted for filing by the FDA. We may then initiate a lawsuit to defend the patents identified in the notice. The filing of a patent infringement lawsuit within 45 days of receipt of the notice automatically prevents the FDA from approving the third-party's ANDA until the earliest of 30 months or the date on which the patent expires, the lawsuit is settled, or the court reaches a decision in the infringement lawsuit in favor of the third party. If we do not file a patent infringement lawsuit within the required 45-day period, the third-party's ANDA will not be subject to the 30-month stay. Litigation or other proceedings to enforce or defend intellectual property rights are often very complex in nature, may be very expensive and time-consuming, may divert our management's attention from our core business, and may result in unfavorable results that could adversely impact our ability to prevent third parties from competing with our products.

Because it is difficult and costly to protect our proprietary rights, we may not be able to ensure their protection and all patents will eventually expire.

        Our commercial success will depend in part on obtaining and maintaining patent protection and trade secret protection for EXPAREL, DepoCyt(e), DepoDur, DepoFoam and for any product candidates that we may develop, license or acquire and the methods we use to manufacture them, as well as successfully defending these patents and trade secrets against third-party challenges. We will only be able to protect our technologies from unauthorized use by third parties to the extent that valid and enforceable patents or trade secrets cover them.

        The patent positions of pharmaceutical and biotechnology companies can be highly uncertain and involve complex legal and factual questions for which important legal principles remain unresolved. No consistent policy regarding the breadth of claims allowed in pharmaceutical or biotechnology patents has emerged to date in the United States. The patent situation outside the United States is even more uncertain. Changes in either the patent laws or in interpretations of patent laws in the United States and other countries may diminish the value of our intellectual property. Accordingly, we cannot predict the breadth of claims that may be allowed or enforced in our patents or in third-party patents.

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        The degree of future protection for our proprietary rights is uncertain, because legal means afford only limited protection and may not adequately protect our rights or permit us to gain or keep our competitive advantage. For example:

        Patent applications in the United States are maintained in confidence for at least 18 months after their earliest effective filing date. Consequently, we cannot be certain we were the first to invent or the first to file patent applications on EXPAREL, our DepoFoam drug delivery technology or any product candidates that we may develop, license or acquire. In the event that a third party has also filed a U.S. patent application relating to our product candidates or a similar invention, we may have to participate in interference proceedings declared by the U.S. Patent and Trademark Office to determine priority of invention in the United States. The costs of these proceedings could be substantial and it is possible that our efforts would be unsuccessful, resulting in a material adverse effect on our U.S. patent position. Furthermore, we may not have identified all United States and foreign patents or published applications that affect our business either by blocking our ability to commercialize our drugs or by covering similar technologies that affect our drug market.

        In addition, some countries, including many in Europe, do not grant patent claims directed to methods of treating humans, and in these countries patent protection may not be available at all to protect our product candidates. Even if patents issue, we cannot guarantee that the claims of those patents will be valid and enforceable or provide us with any significant protection against competitive products, or otherwise be commercially valuable to us.

        Some of our older patents have already expired. In the cases of DepoCyt(e) and DepoDur, key patents providing protection in Europe have expired. In the case of EXPAREL, while pending patent applications, if granted, would provide protection for EXPAREL in Europe and the United States through November 2018, an existing formulation patent for EXPAREL will expire in November 2013. Once our patents covering EXPAREL have expired, we are more reliant on trade secrets to protect against generic competition.

        We also rely on trade secrets to protect our technology, particularly where we do not believe patent protection is appropriate or obtainable. However, trade secrets are difficult to protect. While we use reasonable efforts to protect our trade secrets, our licensors, employees, consultants, contractors, outside scientific collaborators and other advisors may unintentionally or willfully disclose our information to competitors. Enforcing a claim that a third party illegally obtained and is using our trade secrets is expensive and time consuming, and the outcome is unpredictable. In addition, courts outside the United States are sometimes less willing to protect trade secrets. Moreover, our competitors may independently develop equivalent knowledge, methods and know-how.

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        If we fail to obtain or maintain patent protection or trade secret protection for EXPAREL, DepoCyt(e), DepoDur, DepoFoam or any product candidate that we may develop, license or acquire, third parties could use our proprietary information, which could impair our ability to compete in the market and adversely affect our ability to generate revenues and achieve profitability.

If we are sued for infringing intellectual property rights of third parties, it will be costly and time consuming, and an unfavorable outcome in any litigation would harm our business.

        Our ability to develop, manufacture, market and sell EXPAREL, our DepoFoam drug delivery technology or any product candidates that we may develop, license or acquire depends upon our ability to avoid infringing the proprietary rights of third parties. Numerous U.S. and foreign issued patents and pending patent applications, which are owned by third parties, exist in the general fields of pain management and cancer treatment and cover the use of numerous compounds and formulations in our targeted markets. Because of the uncertainty inherent in any patent or other litigation involving proprietary rights, we and our licensors may not be successful in defending intellectual property claims by third parties, which could have a material adverse affect on our results of operations. Regardless of the outcome of any litigation, defending the litigation may be expensive, time-consuming and distracting to management. In addition, because patent applications can take many years to issue, there may be currently pending applications, unknown to us, which may later result in issued patents that EXPAREL, DepoCyt(e) or DepoDur may infringe. There could also be existing patents of which we are not aware that EXPAREL, DepoCyt(e) or DepoDur may inadvertently infringe.

        There is a substantial amount of litigation involving patent and other intellectual property rights in the biotechnology and biopharmaceutical industries generally. If a third party claims that we infringe on their products or technology, we could face a number of issues, including:

We may be subject to claims that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

        As is common in the biotechnology and pharmaceutical industry, we employ individuals who were previously employed at other biotechnology or pharmaceutical companies, including our competitors or potential competitors. Although no claims against us are currently pending, we may be subject to claims that these employees or we have inadvertently or otherwise used or disclosed trade secrets or other proprietary information of their former employers. Litigation may be necessary to defend against these claims. Even if we are successful in defending against these claims, litigation could result in substantial costs and be a distraction to management.

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Risks Related to Our Financial Condition and Capital Requirements

We believe certain matters raise substantial doubt about our ability to continue as a going concern, which may hinder our ability to obtain future financing.

        As of September 30, 2011, we believe certain matters raise substantial doubt about our ability to continue as a going concern. Such doubts are based on our recurring losses and our cash used in operating activities. We continue to experience losses. Our ability to continue as a going concern is subject to our ability to generate a profit and/or obtain necessary funding from outside sources, including by the sale of our securities, obtaining loans from financial institutions or other financing arrangements, where possible. Our continued losses increase the difficulty of our meeting such goals and our efforts to continue as a going concern may not prove successful.

We have incurred significant losses since our inception and anticipate that we will incur continued losses for the foreseeable future.

        We are an emerging specialty pharmaceutical company with a limited operating history. We have focused primarily on developing and commercializing EXPAREL. We have incurred losses in each year since our inception in December 2006, including net losses of $27.1 million, $31.7 million, and $41.9 million for the years ended December 31, 2010, 2009, and 2008, respectively. As of September 30, 2011, we had an accumulated deficit of $165.0 million. These losses, among other things, have had, and will continue to have, an adverse effect on our stockholders' equity and working capital. We incurred increased pre-commercialization expenses during 2010 and 2011 as we prepared for the potential commercial launch of EXPAREL, and we expect to incur significant sales, marketing and manufacturing expenses, as well as continued development expenses related to the commercialization of EXPAREL. As a result, we expect to continue to incur significant losses for the foreseeable future. Because of the numerous risks and uncertainties associated with developing pharmaceutical products, we are unable to predict the extent of any future losses or when we will become profitable, if at all.

We may never become profitable.

        Our ability to become profitable depends upon our ability to generate revenue from EXPAREL and to continue to generate revenue from DepoCyt(e) and DepoDur. Our ability to generate revenue depends on a number of factors, including, but not limited to, our ability to:

        We anticipate incurring significant additional costs associated with the commercialization of EXPAREL. We also do not anticipate that we will achieve profitability for a period of time after generating material revenues, if ever. If we are unable to generate revenues, we will not become profitable and may be unable to continue operations without continued funding.

Under our financing arrangement with Paul Capital, upon the occurrence of certain events, Paul Capital may require us to repurchase the right to receive royalty payments that we assigned to it, or may foreclose on certain assets that secure our obligations to Paul Capital. Any exercise by Paul Capital of its right to cause us to repurchase the assigned right or any foreclosure by Paul Capital would adversely affect our results of operations and our financial condition.

        On March 23, 2007, we entered into the Amended and Restated Royalty Interests Assignment Agreement with affiliates of Paul Capital, pursuant to which we assigned to Paul Capital the right to

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receive a portion of our royalty payments from DepoCyt(e) and DepoDur. To secure our obligations to Paul Capital, we granted Paul Capital a security interest in collateral which includes the royalty payments we are entitled to receive with respect to sales of DepoCyt(e) and DepoDur, as well as to bank accounts to which such payments are deposited. Under our arrangement with Paul Capital, upon the occurrence of certain events, or the put events, including if we experience a change of control, we or our subsidiary undergo certain bankruptcy events, transfer any or substantially all of our rights in DepoCyt(e) or DepoDur, transfer all or substantially all of our assets, breach certain of the covenants, representations or warranties under the Amended and Restated Royalty Interests Assignment Agreement, or sales of DepoCyt(e) or DepoDur are suspended due to an injunction or if we elect to suspend sales of DepoCyt(e) or DepoDur as a result of a lawsuit filed by certain third parties, Paul Capital may (i) require us to repurchase the rights we assigned to it at a cash price equal to (a) 50% of all cumulative payments made by us to Paul Capital under the Amended and Restated Royalty Interests Assignment Agreement during the preceding 24 months, multiplied by (b) the number of days from the date of Paul Capital's exercise of such option until December 31, 2014, divided by 365. Any exercise by Paul Capital of its right to cause us to repurchase the assigned right or any foreclosure by Paul Capital would adversely affect our results of operations and our financial condition.

Our debt obligations expose us to risks that could adversely affect our business, operating results and financial condition.

        We have a substantial level of debt. As of September 30, 2011, we had $26.25 million in aggregate principal amount of indebtedness outstanding, not including our obligation under the Amended and Restated Royalty Interests Assignment Agreement with Paul Capital. The level and nature of our indebtedness, among other things, could:

        We will need to raise additional capital to pay our indebtedness as it comes due. If we are unable to obtain funds necessary to make required payments, or if we fail to comply with the various

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requirements of our indebtedness, we would be in default, which would permit the holders of our indebtedness to accelerate the maturity of the indebtedness and could cause defaults under any indebtedness we may incur in the future. Any default under our indebtedness would have a material adverse effect on our business, operating results and financial condition. If we are unable to refinance or repay our indebtedness as it becomes due, we may become insolvent and be unable to continue operations.

        For example, our loan and security agreement governing our $26.25 million credit facility with Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P., as lenders, or the Hercules Credit Facility, contains a number of affirmative and restrictive covenants, including reporting requirements and other collateral limitations, certain limitations on liens and indebtedness, dispositions, mergers and acquisitions, restricted payments and investments, corporate changes and limitations on waivers and amendments to certain agreements, our organizational documents, and documents relating to debt that is subordinate to our obligations under the Hercules Credit Facility. Our failure to comply with the covenants in the loan and security agreement governing the Hercules Credit Facility could result in an event of default that, if not cured or waived, could result in the acceleration of all or a substantial portion of our debt and potential foreclosure on the assets pledged to secure the debt.

Our short operating history makes it difficult to evaluate our business and prospects.

        We were incorporated in December 2006 and have only been conducting operations with respect to EXPAREL since March 2007. Our operations to date have been limited to organizing and staffing our company, conducting product development activities, including clinical trials and manufacturing development activities, for EXPAREL and manufacturing and related activities for DepoCyt(e) and DepoDur. Further, in 2010 and 2011 we began to establish our commercial infrastructure for EXPAREL. Consequently, any predictions about our future performance may not be as accurate as they could be if we had a history of successfully developing and commercializing pharmaceutical products.

We will need additional funding and may be unable to raise capital when needed, which would force us to delay, reduce or eliminate our product development programs or commercialization efforts.

        Developing products for use in the hospital setting, conducting clinical trials, establishing outsourced manufacturing relationships and successfully manufacturing and marketing drugs that we may develop is expensive. We will need to raise additional capital to:

        We may not have sufficient financial resources to meet all of our objectives, which could require us to postpone, scale back or eliminate some, or all, of these objectives, including our launch activities for EXPAREL. Our future funding requirements will depend on many factors, including, but not limited to:

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        Future capital requirements will also depend on the extent to which we acquire or invest in additional complementary businesses, products and technologies.

        Until we can generate a sufficient amount of product revenue, if ever, we expect to finance future cash needs through public or private equity offerings, debt financings, product supply revenue and royalties, corporate collaboration and licensing arrangements, as well as through interest income earned on cash and investment balances. We cannot be certain that additional funding will be available on acceptable terms, or at all. If adequate funds are not available, we may be required to delay, reduce the scope of, or eliminate, one or more of our development programs or our commercialization efforts.

Our quarterly operating results may fluctuate significantly.

        We expect our operating results to be subject to quarterly fluctuations. Our net loss and other operating results will be affected by numerous factors, including:

        If our quarterly or annual operating results fall below the expectations of investors or securities analysts, the price of our common stock could decline substantially. Furthermore, any quarterly or annual fluctuations in our operating results may, in turn, cause the price of our stock to fluctuate substantially. We believe that quarterly comparisons of our financial results are not necessarily meaningful and should not be relied upon as an indication of our future performance.

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Raising additional funds by issuing securities may cause dilution to existing stockholders and raising funds through lending and licensing arrangements may restrict our operations or require us to relinquish proprietary rights.

        To the extent that we raise additional capital by issuing equity securities, our existing stockholders' ownership will be diluted. If we raise additional funds through licensing arrangements, it may be necessary to relinquish potentially valuable rights to our potential products or proprietary technologies, or grant licenses on terms that are not favorable to us. Any debt financing we enter into may involve covenants that restrict our operations. These restrictive covenants may include limitations on additional borrowing and specific restrictions on the use of our assets as well as prohibitions on our ability to create liens, pay dividends, redeem our stock or make investments.

We incur significant costs as a result of operating as a public company.

        As a public company, we incur significant legal, accounting, insurance and other expenses that we did not incur as a private company, including costs associated with public company reporting requirements. We also have incurred and will incur costs associated with complying with the requirements of the Sarbanes-Oxley Act of 2002 and related rules implemented by the Securities and Exchange Commission and The NASDAQ Global Market. The expenses incurred by public companies generally for reporting and corporate governance purposes have been increasing. We expect these rules and regulations to increase our legal and financial compliance costs and to make some activities more time-consuming and costly, although we are currently unable to estimate these costs with any degree of certainty. These laws and regulations could also make it more difficult or costly for us to obtain or maintain certain types of insurance, including director and officer liability insurance, and we may be forced to accept reduced policy limits and coverage or incur substantially higher costs to obtain the same or similar coverage. These laws and regulations could also make it more difficult for us to attract and retain qualified persons to serve on our board of directors, our board committees or as our executive officers. Furthermore, if we are unable to satisfy our obligations as a public company, we could be subject to delisting of our common stock, fines, sanctions and other regulatory action and potentially civil litigation.

Compliance with Section 404 of the Sarbanes-Oxley Act of 2002 requires our management to devote substantial time to compliance initiatives, and if our independent registered public accounting firm is required to provide an attestation report on our internal controls but is unable to provide an unqualified attestation report, our stock price could be adversely affected.

        Pursuant to Section 404 of the Sarbanes-Oxley Act of 2002, or Section 404, we are required to furnish a report by our management on the effectiveness of our internal control over financial reporting. The internal control report must contain (i) a statement of management's responsibility for establishing and maintaining adequate internal control over financial reporting, (ii) a statement identifying the framework used by management to conduct the required evaluation of the effectiveness of our internal control over financial reporting and (iii) management's assessment of the effectiveness of our internal control over financial reporting as of the end of our most recent fiscal year, including a statement as to whether or not internal control over financial reporting is effective.

        To achieve compliance with Section 404 within the prescribed period, we will be engaged in a process to document and evaluate our internal control over financial reporting, which is both costly and challenging. In this regard, we will need to continue to dedicate internal resources, hire additional employees for our finance and audit functions, potentially engage outside consultants and adopt a detailed work plan to (i) assess and document the adequacy of internal control over financial reporting, (ii) continue steps to improve control processes where appropriate, (iii) validate through testing that controls are functioning as documented, and (iv) implement a continuous reporting and improvement process for internal control over financial reporting. In addition, in connection with the attestation

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process by our independent registered public accounting firm, if required, we may encounter problems or delays in completing the implementation of any requested improvements and receiving a favorable attestation. If we cannot favorably assess the effectiveness of our internal control over financial reporting, or if our independent registered public accounting firm is unable to provide an unqualified attestation report on our internal controls, investors could lose confidence in our financial information and our stock price could decline.

The use of our net operating loss carryforwards and research tax credits may be limited.

        We have significant federal and state net operating loss carryforwards and federal and state research and development tax credit carryforwards. Our net operating loss carryforwards and research and development tax credits may expire and not be used. Our net operating loss carryforwards will begin expiring in 2026 for federal purposes and 2016 for state purposes if we have not used them prior to that time, and our federal tax credits will begin expiring in 2027 unless previously used. Our state tax credits carryforward indefinitely. Additionally, our ability to use any net operating loss and credit carryforwards to offset taxable income or tax, respectively, in the future will be limited under Internal Revenue Code Sections 382 and 383 if we have a cumulative change in ownership of more than 50% within a three-year period. The completion of this offering, together with our initial public offering, private placements and other transactions that have occurred, may trigger such an ownership change. In addition, since we will need to raise substantial additional funding to finance our operations, we may undergo further ownership changes in the future. In the event such an ownership change occurs, we will be limited regarding the amount of net operating loss carryforwards and research tax credits that could be utilized annually in the future to offset taxable income or tax, respectively. Any such annual limitation may significantly reduce the utilization of the net operating loss carryforwards and research tax credits before they expire. In addition, California and certain states have suspended use of net operating loss carryforwards for certain taxable years, and other states are considering similar measures. As a result, we may incur higher state income tax expense in the future. Depending on our future tax position, continued suspension of our ability to use net operating loss carryforwards in states in which we are subject to income tax could have an adverse impact on our results of operations and financial condition.

Our results of operations and liquidity needs could be materially negatively affected by market fluctuations and economic downturns.

        Our results of operations could be materially negatively affected by economic conditions generally, both in the United States and elsewhere around the world. Continuing concerns over inflation, energy costs, geopolitical issues, the availability and cost of credit, the U.S. mortgage market and a declining residential real estate market in the United States have contributed to increased volatility and diminished expectations for the economy and the markets going forward. These factors, combined with volatile oil prices, declining business and consumer confidence and increased unemployment, have precipitated an economic recession and fears of a possible depression. Domestic and international equity markets continue to experience heightened volatility and turmoil. These events and the continuing market upheavals may have an adverse effect on us. In the event of a continuing market downturn, our results of operations could be adversely affected by those factors in many ways, including making it more difficult for us to raise funds if necessary, and our stock price may further decline.

Risks Related to this Offering and Ownership of Our Common Stock

The market price of our common stock is highly volatile, and you may not be able to resell your shares at or above the public offering price.

        Our stock price is volatile, and from February 3, 2011, the first day of trading of our common stock, to November 4, 2011, the trading prices of our stock have ranged from $6.16 to $15.34 per share.

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Our stock could be subject to wide fluctuations in price in response to various factors, including the following:

        In addition, the stock market in general, and the market for small pharmaceutical and biotechnology companies in particular, have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of these companies. Broad market and industry factors may negatively affect the market price of our common stock, regardless of our actual operating performance.

Our principal stockholders and management own a significant percentage of our stock and will be able to exert significant control over matters subject to stockholder approval.

        Upon completion of this offering, our executive officers, directors and 5% stockholders and their affiliates will beneficially own approximately 52% of our outstanding voting stock. As a result, these stockholders will have significant influence and may be able to determine all matters requiring stockholder approval. For example, these stockholders may be able to control elections of directors, amendments of our organizational documents, or approval of any merger, sale of assets, or other major corporate transaction. This concentration of ownership could delay or prevent any acquisition of our company on terms that other stockholders may desire.

If you purchase our common stock in this offering, you will incur immediate and substantial dilution in the book value of your shares.

        You will suffer immediate and substantial dilution in the net tangible book value of the common stock you purchase in this offering. We expect that the public offering price of our common stock in this offering will be substantially higher than the net tangible book value per share of our outstanding common stock immediately after this offering. Purchasers of common stock in this offering will experience immediate dilution of approximately $5.57 per share in net tangible book value of the common stock. In the past, we issued options and warrants to acquire common stock at prices

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significantly below the public offering price. To the extent these outstanding options and warrants are ultimately exercised, investors purchasing common stock in this offering will sustain further dilution. See "Dilution" for a more detailed description of the dilution to new investors in the offering.

Sales of a substantial number of shares of our common stock in the public market by our existing stockholders could cause our stock price to fall.

        Sales of a substantial number of shares of our common stock in the public market or the perception that these sales might occur, could depress the market price of our common stock and could impair our ability to raise adequate capital through the sale of additional equity securities. We are unable to predict the effect that sales may have on the prevailing market price of our common stock.

        Substantially all of our existing stockholders are subject to lock-up agreements with the underwriters of this offering that restrict the stockholders' ability to transfer shares of our common stock for at least 90 days from the date of this prospectus, subject to certain exceptions. The lock-up agreements limit the number of shares of common stock that may be sold immediately following the public offering. Subject to certain limitations, 8,902,759 shares will become eligible for sale upon expiration of the lock-up period. In addition, shares issued or issuable upon exercise of options and warrants vested as of the expiration of the lock-up period will be eligible for sale at that time. Sales of stock by these stockholders could have a material adverse effect on the market price of our common stock.

        Certain holders of shares of our common stock are entitled to rights with respect to the registration of their shares under the Securities Act of 1933, as amended, or the Securities Act, subject to the 90-day lock-up arrangement described above. Registration of these shares under the Securities Act would result in the shares becoming freely tradable without restriction under the Securities Act, except for shares held by our affiliates as defined in Rule 144 under the Securities Act. Any sales of securities by these stockholders could have a material adverse effect on the trading price of our common stock.

Our management will have broad discretion in the use of the net proceeds from this offering and may not use them effectively.

        Our management will have broad discretion in the application of the net proceeds from this offering and our stockholders will not have the opportunity as part of their investment decision to assess whether the net proceeds are being used appropriately. Because of the number and variability of factors that will determine our use of the net proceeds from this offering, their ultimate use may vary substantially from their currently intended use. The failure by our management to apply these funds effectively could harm our business. Pending their use, we may invest the net proceeds from this offering in short-term, investment-grade, interest-bearing instruments and U.S. government securities. These investments may not yield a favorable return to our stockholders.

Because we do not intend to pay dividends on our common stock, your returns will be limited to any increase in the value of our stock.

        We have never declared or paid any cash dividends on our capital stock. We currently intend to retain all available funds and any future earnings to support our operations and finance the growth and development of our business and do not anticipate declaring or paying any cash dividends on our common stock for the foreseeable future. Any return to stockholders will therefore be limited to the appreciation of their stock, if any.

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Some provisions of our charter documents and Delaware law may have anti-takeover effects that could discourage an acquisition of us by others, even if an acquisition would be beneficial to our stockholders, and may prevent attempts by our stockholders to replace or remove our current management.

        Provisions in our restated certificate of incorporation and our bylaws, as well as provisions of the Delaware General Corporation Law, or DGCL, could make it more difficult for a third party to acquire us or increase the cost of acquiring us, even if doing so would benefit our stockholders, including transactions in which stockholders might otherwise receive a premium for their shares. These provisions include:

        These provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace members of our board of directors, which is responsible for appointing the members of our management. In addition, we are subject to Section 203 of the DGCL, which generally prohibits a Delaware corporation from engaging in any of a broad range of business combinations with an interested stockholder for a period of three years following the date on which the stockholder became an interested stockholder, unless such transactions are approved by our board of directors. This provision could have the effect of delaying or preventing a change of control, whether or not it is desired by or beneficial to our stockholders.

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

        This prospectus contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 (the "PSLRA") and are made pursuant to the safe harbors of the PSLRA. All statements, other than statements of historical facts, included in this prospectus regarding our strategy, future operations, regulatory process, future financial position, future revenue, projected costs, prospects, plans, objectives of management and expected market growth are forward-looking statements. The words "anticipate," "believe," "estimate," "expect," "intend," "may," "plan," "predict," "project," "will," "would" and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words.

        The forward-looking statements in this prospectus include, among other things, statements about:

        We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. We have included important factors in the cautionary statements included in this prospectus, particularly in the "Risk Factors" section, that could cause actual results or events to differ materially from the forward-looking statements that we make. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments that we may make.

        You should read this prospectus and the documents that we have filed as exhibits to the registration statement, of which this prospectus is a part, completely and with the understanding that our actual future results may be materially different from what we expect. We do not assume any obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

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USE OF PROCEEDS

        We estimate that the net proceeds from this offering will be approximately $43.0 million, or approximately $49.5 million if the underwriters exercise their option to purchase additional shares from us in full, in each case based on an assumed public offering price of $7.71 per share, which was the last reported sale price of our common stock on The NASDAQ Global Market on November 4, 2011, and after deducting the estimated underwriting discounts and commissions and estimated offering expenses payable by us. A $1.00 increase (decrease) in the assumed public offering price of $7.71 per share would increase (decrease) our net proceeds from this offering by approximately $5.6 million, assuming that the number of shares offered by us, as set forth on the cover page of this prospectus, remains the same and after deducting the estimated underwriting discounts and commissions and estimated offering expenses.

        We intend to use the net proceeds from this offering for the planned manufacture and commercialization of EXPAREL in the United States and for working capital and other general corporate purposes.

        The amounts and timing of our actual expenditures may vary significantly depending on numerous factors, including:

We therefore cannot estimate the amount of net proceeds to be used for all of the purposes described above. We may find it necessary or advisable to use the net proceeds for other purposes, and we will have broad discretion in the application of net proceeds.

        Following this offering, we believe that our available funds will be sufficient to fund the commercial launch of EXPAREL in the United States. It is possible that we will not achieve the progress that we expect with respect to EXPAREL because the actual costs are difficult to predict and are subject to substantial risks and delays. We have no committed external sources of funds. To the extent that the net proceeds from this offering and our other capital resources are insufficient to commercially launch EXPAREL, we will need to finance our cash needs through public or private equity offerings, debt financings, corporate collaboration and licensing arrangements or other financing alternatives.

        Pending our use of the net proceeds from this offering, we intend to invest the net proceeds in a variety of capital preservation investments, including short-term, investment-grade, interest-bearing instruments and U.S. government securities.

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PRICE RANGE OF COMMON STOCK

        Our common stock has been listed on The NASDAQ Global Market under the symbol "PCRX" since our initial public offering on February 3, 2011. Prior to that offering, there was no public market for our common stock. The following table sets forth, for the periods indicated, the high and low intraday sales prices of our common stock as reported by The NASDAQ Global Market:

Year Ended 2011
  High   Low  

Fourth Quarter (through November 4, 2011)

  $ 12.10   $ 6.60  

Third Quarter

  $ 12.41   $ 7.06  

Second Quarter

  $ 15.34   $ 6.80  

First Quarter (beginning February 3, 2011)

  $ 7.60   $ 6.16  

        On November 4, 2011, the closing price of our common stock as reported on The NASDAQ Global Market was $7.71 per share. As of the date of this prospectus, we had approximately 37 holders of record of our common stock.


DIVIDEND POLICY

        We have never declared or paid any cash dividends on our capital stock. We currently intend to retain earnings, if any, to finance the growth and development of our business. We do not expect to pay any cash dividends on our common stock in the foreseeable future. Payment of future dividends, if any, will be at the discretion of our board of directors and will depend on our financial condition, results of operations, capital requirements, restrictions contained in current or future financing instruments, provisions of applicable law and other factors the board deems relevant. Our ability to pay dividends on our common stock is limited by the covenants of our loan and security agreement governing the Hercules Credit Facility and may be further restricted by the terms of any of our future indebtedness. See "Risk Factors—Risks Related to Our Financial Condition and Capital Requirements—Our debt obligations expose us to risks that could adversely affect our business, operating results and financial condition."

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CAPITALIZATION

        The following table sets forth our cash and cash equivalents, short-term investments and capitalization as of September 30, 2011:

        You should read this table together with our consolidated financial statements and the related notes included elsewhere in this prospectus and the "Management's Discussion and Analysis of Financial Condition and Results of Operations," "Use of Proceeds" and "Selected Consolidated Financial Data."

 
  As of September 30, 2011  
 
  Actual   As Adjusted(1)  
 
  (in thousands, except share and
per share amounts)

 

Cash and cash equivalents

  $ 16,402   $ 59,386  

Short-term investments

    20,666     20,666  
           

Total cash, cash equivalents and short-term investments

    37,068     80,052  
           

Long-term debt, including current portion

    25,474     25,474  

Royalty interest obligation, including current portion

    3,135     3,135  
           

Total long-term debt and royalty interest obligation

    28,609     28,609  
           

Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued or outstanding, actual and as adjusted

         

Common stock, $0.001 par value and 250,000,000 authorized: actual, 17,229,892 shares issued and 17,228,827 shares outstanding; as adjusted 23,229,892 shares issued and 23,228,827 shares outstanding

    17     23  

Additional paid-in capital

    178,821     221,799  

Accumulated deficit

    (164,956 )   (164,956 )

Accumulated other comprehensive loss

    (5 )   (5 )

Treasury stock, 1,065 shares at cost

    (2 )   (2 )
           

Total stockholders' equity

    13,875     56,859  
           

Total capitalization

  $ 42,484   $ 85,468  
           

(1)
A $1.00 increase (decrease) in the assumed public offering price of $7.71 per share would increase (decrease) our net proceeds from this offering by approximately $5.6 million, assuming that the number of shares offered by us, as set forth on the cover page of this prospectus, remains the same and after deducting the estimated underwriting discounts and commissions and estimated offering expenses.

        The outstanding share information in the table above excludes the following as of September 30, 2011:

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DILUTION

        If you invest in our common stock, your interest will be diluted immediately to the extent of the difference between the initial public offering price per share you will pay in this offering and the as adjusted net tangible book value per share of our common stock after this offering.

        Our historical net tangible book value as of September 30, 2011 was $6.7 million, or $0.39 per share of our common stock. Our historical net tangible book value per share represents our total tangible assets less total liabilities, divided by the number of shares of our common stock outstanding on September 30, 2011.

        After giving effect to our issuance and sale of 6,000,000 shares of our common stock in this offering at an assumed public offering price of $7.71 per share, which was the last reported sale price of our common stock on The NASDAQ Global Market on November 4, 2011, after deducting the estimated underwriting discounts and commissions and estimated offering expenses payable by us, the as adjusted net tangible book value as of September 30, 2011 would have been $49.7 million, or $2.14 per share. This represents an immediate increase in net tangible book value to existing stockholders of $1.75 per share. The public offering price per share will significantly exceed the net tangible book value per share. Accordingly, new investors who purchase shares of common stock in this offering will suffer an immediate dilution of their investment of $5.57 per share. The following table illustrates this per share dilution to the new investors purchasing shares of common stock in this offering without giving effect to the over-allotment option granted to the underwriters:

Assumed public offering price per share

        $ 7.71  
 

Net tangible book value per share as of September 30, 2011

  $ 0.39        
 

Increase per share attributable to sale of shares of common stock in this offering

    1.75        
             

As adjusted net tangible book value per share after the offering

          2.14  
             

Dilution per share to new investors

          5.57  
             

        A $1.00 increase (decrease) in the assumed public offering price of $7.71 per share would increase (decrease) our net tangible book value after this offering by approximately $5.6 million and dilution per share to new investors by approximately $0.76, assuming that the number of shares offered by us, as set forth on the cover page of this prospectus, remains the same and after deducting the estimated underwriting discounts and commissions and estimated offering expenses.

        If the underwriters exercise their over-allotment option in full, the as adjusted net tangible book value will increase to $2.33 per share, representing an immediate increase to existing stockholders of $1.94 per share and an immediate dilution of $5.38 per share to new investors. If any shares are issued upon exercise of outstanding options or warrants, you will experience further dilution.

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SELECTED CONSOLIDATED FINANCIAL DATA

        The following selected consolidated financial data should be read together with our consolidated financial statements and related notes included elsewhere in this prospectus and the information under "Management's Discussion and Analysis of Financial Condition and Results of Operations". The selected consolidated financial data in this section is not intended to replace our consolidated financial statements and the accompanying notes. The unaudited consolidated financial data include, in the opinion of our management, all adjustments, consisting only of normal recurring adjustments that are necessary for a fair presentation of our financial position and results of operations for these periods. Our historical results for any prior period are not necessarily indicative of results to be expected in any future period, and our results for any interim period are not necessarily indicative of results to be expected for a full fiscal year.

        The selected consolidated financial data as of September 30, 2011, and for the nine months ended September 30, 2010 and 2011, have been derived from our unaudited consolidated financial statements included elsewhere in this prospectus.

        The selected consolidated financial data as of December 31, 2009 and 2010 and for the years ended December 31, 2008, 2009 and 2010 have been derived from our audited consolidated financial statements included elsewhere in this prospectus.

        The selected consolidated financial data as of December 31, 2007 and December 31, 2008 and for the year ended December 31, 2007 have been derived from our consolidated financial statements not included in this prospectus.

        The selected consolidated financial data as of December 31, 2006, and for the year December 31, 2006, and for the period from January 1, 2007 through March 23, 2007, have been derived from unaudited consolidated financial statements of the Predecessor, SkyePharma, Inc., not included in this prospectus.

        The term Predecessor refers to SkyePharma, Inc. prior to March 24, 2007, or the Acquisition Date, and the term Successor refers to Pacira Pharmaceuticals, Inc. and its consolidated subsidiaries. Our results of operations for the year ended December 31, 2007, while representing a full year for Pacira Pharmaceuticals, Inc., do not reflect the operations of PPI-California until March 24, 2007, after the Acquisition Date. We have presented the Predecessor for the period from January 1, 2007 through March 23, 2007, as we believe it best presents the continuity of operations of the Successor prior to the Acquisition.

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  Predecessor   Successor  
 
  Year Ended
December 31,

  January 1
to March 23,

  Year Ended
December 31,
  Nine Months Ended
September 30,
 
 
  2006   2007   2007   2008   2009   2010   2010   2011  
 
  (unaudited)
  (audited)
  (unaudited)
 
 
  (in thousands, except share and per share data)
 

Consolidated Statement of Operations Data:

                                                 

Revenues:

                                                 
 

Supply revenue

  $ 5,800   $ 684   $ 5,444   $ 6,852   $ 6,324   $ 7,640   $ 7,127   $ 4,868  
 

Royalties

    2,784     500     2,388     3,648     4,044     3,705     2,693     2,743  
 

Collaborative licensing and development revenue

    3,088     204     509     3,425     4,638     3,217     2,551     3,845  
 

Revenue from SkyePharma PLC

    702     39                          
                                   
     

Total revenues

    12,374     1,427     8,341     13,925     15,006   $ 14,562     12,371     11,456  
                                   

Operating expenses:

                                                 
   

Cost of revenues

    15,782     2,825     9,492     17,463     12,301     12,276     10,168     10,138  
 

Research and development

    16,060     3,251     20,665     33,214     26,233     18,628     14,954     12,237  
 

Selling, general and administrative

    8,685     2,632     4,170     8,611     5,020     6,030     3,948     13,465  
 

Acquired in-process research and development

            12,400                      
                                   
     

Total operating expenses

    40,527     8,708     46,727     59,288     43,554     36,934     29,070     35,840  
                                   

Loss from operations:

    (28,153 )   (7,281 )   (38,386 )   (45,363 )   (28,548 )   (22,372 )   (16,699 )   (24,384 )

Other (expense) income:

                                                 
 

Loss on early extinguishment of debt

                        (184 )          
 

Interest income

    60     4     491     235     77     146     112     111  
 

Interest (expense)

    (11,221 )   (2,265 )           (1,723 )   (3,959 )   (2,577 )   (4,068 )
 

Royalty interest obligation

    4,694     (1,486 )   1,686     3,490     (1,880 )   (930 )   (1,048 )   235  
 

Other, net

    (2,713 )   (13 )   16     (224 )   367     150     107     61  
                                   

Total other (expense) income, net

    (9,180 )   (3,760 )   2,193     3,501     (3,159 )   (4,777 )   (3,406 )   (3,661 )
                                   
     

Net loss

  $ (37,333 ) $ (11,041 ) $ (36,193 ) $ (41,862 ) $ (31,707 ) $ (27,149 ) $ (20,105 ) $ (28,045 )
                                   

Net loss per share—basic and diluted

              $ (77.85 ) $ (79.23 ) $ (55.32 ) $ (47.29 ) $ (35.02 ) $ (1.89 )

Weighted average number of common shares

                464,900     528,357     573,118     574,072     574,112     14,826,054  

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  Predecessor   Successor  
 
  December 31,
  December 31,   September 30,
 
 
  2006   2007   2008   2009   2010   2011  
 
  (unaudited)
  (unaudited)
  (audited)
  (audited)
  (audited)
  (unaudited)
 
 
   
  (in thousands)
 

Consolidated Balance Sheet Data:

                                     

Cash and cash equivalents

  $ 627   $ 7,240   $ 12,386   $ 7,077   $ 26,133   $ 16,402  

Short-term investments

                          20,666  

Working capital (deficit)

    27,010     2,354     2,341     (1,868 )   14,733     25,571  

Total assets

    63,188     39,157     50,541     43,954     66,562     77,609  

Long-term debt and royalty interest obligation

    21,648     8,241     3,618     25,820     74,660     22,445  

Convertible preferred stock

        3     6     6     6      

Common stock

        1     1     1     1     17  

Accumulated deficit

    (319,756 )   (36,193 )   (78,055 )   (109,762 )   (136,911 )   (164,956 )

Total stockholders' equity (deficit)

    (221,541 )   8,937     7,490     (22,949 )   (48,383 )   13,875  

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MANAGEMENT'S DISCUSSION AND ANALYSIS
OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

        You should read the following discussion and analysis of our financial condition and results of operations together with our financial statements and the related notes appearing at the end of this prospectus. Some of the information contained in this discussion and analysis or set forth elsewhere in this prospectus, including information with respect to our plans and strategy for our business and related financing, includes forward-looking statements that involve risks and uncertainties. You should read the "Risk Factors" section of this prospectus for a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.

Overview

        We are an emerging specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products, based on our proprietary DepoFoam drug delivery technology, for use in hospitals and ambulatory surgery centers.

        On October 28, 2011, the United States Food and Drug Administration, or FDA, approved our New Drug Application, or NDA, for our lead product candidate, EXPAREL, a liposome injection of bupivacaine, an amide-type local anesthetic, indicated for administration into the surgical site to produce postsurgical analgesia. We are developing a sales force entirely dedicated to commercializing EXPAREL comprised of approximately 60 representatives, seven regional managers and a national sales manager. We intend to develop this sales force pursuant to a contract with Quintiles Commercial US, Inc., a division of Quintiles, Inc., or Quintiles, and under the terms of this contract we have the flexibility to hire all or a portion of the sales force dedicated to commercializing EXPAREL as full-time employees of Pacira, upon 60 days notice to Quintiles. We believe that our pre-launch activities including significant personal interactions with our hospital customers, position us for a successful launch of EXPAREL in the first quarter of 2012.

        Our two marketed products, DepoCyt(e) and DepoDur, and our proprietary DepoFoam extended release drug delivery technology were acquired as part of the acquisition of our California operating subsidiary, Pacira Pharmaceuticals Inc., or PPI-California, on March 24, 2007, or the Acquisition. DepoCyt(e) is a sustained release liposomal formulation of the chemotherapeutic agent cytarabine and is indicated for the intrathecal treatment of lymphomatous meningitis. DepoCyt(e) was granted accelerated approval by the FDA in 1999 and full approval in 2007. DepoDur is an extended release injectable formulation of morphine indicated for epidural administration for the treatment of pain following major surgery. DepoDur was approved by the FDA in 2004.

        We do not expect our currently marketed products, other than EXPAREL, to generate revenue that is sufficient for us to achieve profitability because we expect to continue to incur significant expenses as we commercially launch EXPAREL and advance the development of our product candidates, seek FDA approval for our product candidates that successfully complete clinical trials and develop our sales force and marketing capabilities to prepare for their commercial launch. We also expect to incur additional expenses to add operational, financial and management information systems and personnel, including personnel to support our product development efforts and our obligations as a public reporting company. For us to become and remain profitable, we believe that we must succeed in commercializing EXPAREL or other product candidates with significant market potential.

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Recent Developments

        On October 28, 2011, our New Drug Application, or NDA for our lead product candidate, EXPAREL, a liposome injection of bupivacaine, an amide-type local anesthetic, indicated for administration into the surgical site to produce postsurgical analgesia was approved by the United States Food and Drug Administration, or FDA.

        Tranche A of the Hercules Credit Facility is guaranteed by certain of our investors which guarantee is limited to each such investor's pro rata portion of the outstanding principal and accrued and unpaid interest of Tranche A under the Hercules Credit Facility, but in no event exceeding $11.3 million in the aggregate. The loan and security agreement governing the Hercules Credit Facility provides that, upon the occurrence of certain circumstances and upon our request, the investors' guarantee may be terminated and released. On October 28, 2011, we met the required conditions and requested the release of the guaranty. Upon the release of the investors' guaranty, the interest rate on the Tranche A portion of the term loan will increase to a floating per annum interest rate equal to 11.00% plus the amount, if any, by which the prime rate exceeds 4.00%. In addition, we also elected to extend the interest only period from November 30, 2011 to February 28, 2012.

        On October 18, 2011, a development milestone was met pursuant to our agreement, or the Novo Agreement, with Novo Nordisk A/S, or Novo, which entitles us to a $2.0 million cash payment.

Financial Operations Overview

Revenues

        Our revenue that is derived from DepoCyt(e) and DepoDur is comprised of two components: supply revenue and royalties. We manufacture these products, which are then sold to our commercial partners. Supply revenue is derived from a contractual supply price paid to us by our commercial partners. Royalties are recognized as the product is sold by our commercial partners and is typically calculated as a percentage of the net selling price, which is net of discounts, returns, and allowances incurred by our commercial partners. Accordingly, the primary factors that determine our revenues derived from DepoCyt(e) and DepoDur are:

        We also generate collaborative licensing and development revenue from our collaborations with third parties who seek to use our DepoFoam technology to develop extended release formulations of their products and product candidates. For example, in January 2011, we entered into the Novo Agreement, pursuant to which we granted non-exclusive rights to Novo under certain of our patents

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and know-how to develop, manufacture and commercialize formulations of a Novo proprietary drug using our DepoFoam drug delivery technology. Under this agreement, we agreed to undertake specified development and technology transfer activities and to manufacture pre-clinical and certain clinical supplies of such DepoFoam formulated Novo product until the completion of such technology transfer activities. Novo is obligated to pay for all costs we incur in conducting such development, manufacturing and technology transfer activities. We received an upfront license fee of $1.5 million from Novo. We are also entitled to receive single-digit royalties on sales of such Novo product for up to twelve years following the first commercial sale of such Novo product. In addition, we are entitled to receive up to $24 million in milestone payments based on achievement of specified development events, and up to an additional $20 million in milestone payments based on sales of such Novo product exceeding specified amounts.

Cost of Revenues

        Cost of revenues consists of the costs associated with producing our products for our commercial partners and providing research and development services to our collaboration partners. In particular, our cost of revenues includes:

Research and Development Expenses

        Our research and development expenses consist of expenses incurred in developing, testing, manufacturing and seeking regulatory approval of our product candidates, including:

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        Clinical trial and manufacturing process development expenses for our product candidates are a significant component of our current research and development expenses. Product candidates in later stage clinical development, such as EXPAREL, generally have higher research and development expenses than those in earlier stages of development, primarily due to the increased size and duration of the clinical trials and manufacturing process development. We coordinate clinical trials through a number of contracted investigational sites and recognize the associated expense based on a number of factors, including actual and estimated subject enrollment and visits, direct pass-through costs and other clinical site fees.

        From the Acquisition through September 30, 2011, we incurred research and development expenses of $111.0 million, of which $107.2 million is related to the development of EXPAREL. We incurred research and development expenses associated with the development of EXPAREL of $12.1 million for the nine months ended September 30, 2011 and $14.2 million for the nine months ended September 30, 2010.

        We expect to incur additional research and development expenses as we develop EXPAREL in additional indications. These expenditures are subject to numerous uncertainties regarding timing and cost to completion. Completion of clinical trials may take several years or more and the length of time generally varies according to the type, complexity, novelty and intended use of a product candidate. We are currently unable to determine our future research and development expenses related to EXPAREL because the requirements of any additional clinical trials of EXPAREL for additional indications has yet to be determined. The cost of clinical development may vary significantly due to factors such as the scope, rate of progress, expense and outcome of our clinical trials and other development activities.

Selling, General and Administrative Expenses

        Selling, general and administrative expenses consist primarily of salaries, benefits and other related costs, including stock-based compensation, for personnel serving in our executive, finance, accounting, legal, human resource, and sales and marketing functions. Our selling, general and administrative expenses also include facility and related costs not included in research and development expenses and cost of revenues, professional fees for legal, consulting, tax and accounting services, insurance, depreciation and general corporate expenses. We expect that our selling, general and administrative expenses will increase with the continued development and potential commercialization of our product candidates and increased expenses associated with us being a public company. Additionally, we are building a commercial infrastructure in connection with the commercialization of EXPAREL and will outsource most of our sales force through our relationship with Quintiles.

Other Income (Expense)

        Other income (expense) consists of interest income, interest expense, and royalty interest obligation. Interest income consists of interest earned on our cash and cash equivalents, and amortization of discount on a note receivable from one of our commercial partners. Interest expense consists primarily of cash and non-cash interest costs related to our credit facility, our secured and unsecured notes issued to certain of our investors that were converted into common stock upon completion of our initial public offering, and negotiated rent deferral payments. Royalty interest obligation consists of our royalty payments made in connection with the amended and restated royalty interests assignment agreement, or the Amended and Restated Royalty Interests Assignment Agreement, with Royalty Securitization Trust I, an affiliate of Paul Capital Advisors, LLC, or Paul Capital.

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        We record our royalty interest obligation as a liability in our consolidated balance sheets in accordance with ASC 470-10-25, Sales of Future Revenues. We impute interest expense associated with this liability using the effective interest rate method. The effective interest rate may vary during the term of the agreement depending on a number of factors including the actual sales of DepoCyt(e) and DepoDur and a significant estimation, performed quarterly, of certain of our future cash flows related to these products during the remaining term of the Amended and Restated Royalty Interests Assignment Agreement which terminates on December 31, 2014. The effect of the change in the estimates is reflected in our consolidated statements of operations as royalty interest obligation within other (expense) income. In addition, such cash flows are subject to foreign exchange movements related to sales of DepoCyt(e) and DepoDur denominated in currencies other than U.S. dollars.

Critical Accounting Policies and Use of Estimates

        The preparation of our consolidated financial statements requires us to make estimates that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements as well as the reported revenues and expenses during the reporting periods. On an ongoing basis, we evaluate our estimates and judgments, including those related to clinical trial expenses and stock-based compensation. We base our estimates on historical experience, current business factors and various other assumptions that we believe are necessary to form a basis for making judgements about the carrying values of assets and liabilities and related disclosures. Although we believe our estimates and assumptions are reasonable, actual results may differ significantly from these estimates.

        While our significant accounting policies are more fully discussed in Note 2 to our audited consolidated financial statements included in this prospectus, we believe that the following accounting policies are critical to the process of making significant judgments and estimates in the preparation of our financial statements.

Revenue Recognition

        We recognize revenue in accordance with SEC Staff Accounting Bulletin, or SAB, No. 104, Revenue Recognition, and Statement of Financial Accounting Standards, or ASC 605, Revenue Recognition.

Supply revenue

        We recognize supply revenue from products manufactured and supplied to our commercial partners, when the following four basic revenue recognition criteria under the related accounting guidance are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred or services have been rendered; (3) the fee is fixed or determinable; and (4) collectability is reasonably assured. Prior to the shipment of our manufactured products, we conduct initial product release and stability testing in accordance with cGMP. Our commercial partners can return the products within contracted specified timeframes if the products do not meet the applicable inspection tests. We estimate our return reserves based on our experience with historical return rates. Historically, our product returns have not been material.

Royalties

        We recognize revenue from royalties based on our commercial partners' net sales of products. Royalties are recognized as earned in accordance with contract terms when they can be reasonably estimated and collectability is reasonably assured. Our commercial partners are obligated to report their net product sales and the resulting royalty due to us within 60 days from the end of each quarter.

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Based on historical product sales, royalty receipts and other relevant information, we accrue royalty revenue each quarter and subsequently true-up when we receive royalty reports from our commercial partners.

        We recognize revenue from reimbursement received in connection with feasibility studies and development work for third parties who desire to utilize our DepoFoam extended release drug delivery technology for their products, when our contractual services are performed, provided collectability is reasonably assured. Our principal costs under these agreements include our personnel conducting research and development, and our allocated overhead, as well as research and development performed by outside contractors or consultants.

        We recognize revenues from non-refundable up-front license fees received under collaboration agreements ratably over the performance period as determined under the collaboration agreement (estimated development period in the case of development agreements, and contract period or longest patent life in the case of supply and distribution agreements). If the estimated performance period is subsequently modified, we will modify the period over which the up-front license fee is recognized accordingly on a prospective basis. Upon termination of a collaboration agreement, any remaining non-refundable license fees received by us, which had been deferred, are generally recognized in full. All such recognized revenues are included in collaborative licensing and development revenue in our consolidated statements of operations.

        We recognize revenue from milestone payments received under collaboration agreements when earned, provided that the milestone event is substantive, its achievability was not reasonably assured at the inception of the agreement, we have no further performance obligations relating to the event, and collectability is reasonably assured. If these criteria are not met, we recognize milestone payments ratably over the remaining period of our performance obligations under the collaboration agreement.

Research and Development Expenses

        We expense all research and development costs as incurred. We rely on third parties to conduct our preclinical and clinical studies and to provide services, including data management, statistical analysis and electronic compilation for our clinical trials. We track and record information regarding third-party research and development expenses for each study or trial that we conduct and recognize these expenses based on the estimated progress towards completion at the end of each reporting period. Factors we consider in preparing these estimates include the number of subjects enrolled in studies, milestones achieved and other criteria related to the efforts of our vendors. Historically, any adjustments we have made to these assumptions have not been material. Depending on the timing of payments to vendors and estimated services provided, we may record net prepaid or accrued expenses related to these costs.

        We expense the manufacturing costs (labor and overhead) of our clinical supplies as incurred. To date, these expenses have not been material. Unused raw material for manufacturing clinical supplies is included in inventory and expensed when used.

Stock-Based Compensation

        We have adopted the fair value recognition provisions of Financial Accounting Standards Board Accounting Standards Codification, or ASC, 718 "Accounting for Stock Based Compensation" (formerly Statement of Financial Accounting Standards No. 123(R), Share-Based Payments), which we refer to as ASC 718, using the modified prospective transition method. The modified prospective transition method applies the provisions of ASC 718 to new awards and to awards modified, repurchased or

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cancelled after the adoption date. Additionally, compensation cost for the portion of the awards for which the requisite service has not been rendered that are outstanding as of the adoption date is recognized in the Statement of Operations over the remaining service period after the adoption date based on the award's original estimate of fair value. All stock-based awards granted to non-employees are accounted for at their fair value in accordance with ASC 718, and ASC 505, "Accounting for Equity Instruments that are Issued to Other Than Employees for Acquiring, or in Conjunction with Selling, Goods or Services," under which compensation expense is generally recognized over the vesting period of the award. Determining the amount of stock-based compensation to be recorded requires us to develop estimates of fair values of stock options as of the grant date.

        For the nine months ended September 30, 2011, we recognized employee stock-based compensation expense of $2.0 million. The employee stock-based compensation expense recorded during the nine months ended September 30, 2010 and during the year ended December 31, 2010 was not significant. For the years ended December 31, 2009 and 2008, we recognized employee stock-based compensation expense of $0.5 million and $0.2 million, respectively.

        We account for stock-based compensation by measuring and recognizing compensation expense for all stock-based payments made to employees and directors based on estimated grant date fair values. We use the straight-line method to allocate compensation cost to reporting periods over each optionee's requisite service period, which is generally the vesting period. We estimate the fair value of our stock-based awards to employees and directors using the Black-Scholes option valuation model, or Black-Scholes model. The Black-Scholes model requires the input of subjective assumptions, including the expected stock price volatility, the calculation of expected term and the fair value of the underlying common stock on the date of grant, among other inputs.

        The following table summarizes our assumptions used in the Black-Scholes model:

 
  Nine Months Ended
September 30,
  Year Ended December 31,
 
  2011   2010   2009   2008

Expected volatility (weighted average)

  77.0%   80.8%   82.0%   78.2%

Expected term (in years)

  6.25 years   6.25 years   6.25 years   6.25 years

Risk-free interest rate

  1.2-3.7%   1.6-3.4%   2.1-2.7%   1.9-3.8%

Expected dividend yield

  None   None   None   None

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Results of Operations

Comparison of Nine Months Ended September 30, 2011 and 2010

 
  Nine Months Ended
September 30,
   
 
 
  % Increase/
(Decrease)
 
 
  2011   2010  
 
  (in thousands)
   
 

Revenues

  $ 11,456   $ 12,371     (7 )%

Cost of Revenues

    10,138     10,168     (0 )%

Research and development

    12,237     14,954     (18 )%

Selling, general and administrative

    13,465     3,948     241 %

Other income (expense), net

    (3,661 )   (3,406 )   7 %

Revenues

        The following table sets forth a summary of our supply revenue, royalties and collaborative licensing and development revenue for the nine months ended September 30, 2011 and 2010.

 
  Nine Months Ended
September 30,
   
 
 
  % Increase/
(Decrease)
 
 
  2011   2010  
 
  (in thousands)
   
 

DepoCyt(e)(1)

                   
 

Supply revenue

  $ 4,868   $ 6,497     (25 )%
                 
 

Royalties

    2,600     2,470     5 %
                 

    7,468     8,967     (17 )%
                 

DepoDur(1)

                   
 

Supply revenue

        630     (100 )%
                 
 

Royalties

    143     223     (36 )%
                 

    143     853     (83 )%
                 

Total DepoCyt(e) and DepoDur revenue(1)

    7,611     9,820     (22 )%
                 

Collaborative licensing and development revenue

    3,845     2,551     51 %
                 

Total revenues

  $ 11,456   $ 12,371     (7 )%
                 

(1)
Total DepoCyt(e) and DepoDur revenue does not include collaborative licensing and development revenue related to DepoCyt(e) and DepoDur.

        Revenues decreased by $0.9 million, or 7%, to $11.5 million in the nine months ended September 30, 2011 as compared to $12.4 million in the nine months ended September 30, 2010 primarily due to a decrease in supply revenue of $2.3 million that was partially offset by $1.3 million increase in collaborative licensing and development revenue. The decrease in supply revenue reflects a lower number of lot sales to our commercial partners. The increase in collaborative licensing and development revenue is primarily attributable to activities performed under the Novo Agreement signed in January 2011.

Cost of Revenues

        Cost of revenues remained consistent for the nine months ended September 30, 2011 as compared to the nine months ended September 30, 2010. The cost of revenues for the nine months ended September 30, 2011 reflects a reduction from the nine months ended September 30, 2010 of

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$1.8 million due to lower lot sales of Depocyt(e) and DepoDur to our commercial partners which was offset by an increase in our excess capacity costs. We have excess capacity and we incur a substantially fixed level of infrastructure cost to keep our manufacturing facilities cGMP compliant. The cost of excess manufacturing capacity was $6.2 million and $4.4 million for the nine months ended September 30, 2011 and 2010, respectively. The impact of excess manufacturing capacity reflects that our production cost associated with DepoCyt(e) and DepoDur is mostly fixed.

Research and Development Expenses

        Research and development expenses decreased by $2.8 million, or 18%, to $12.2 million in the nine months ended September 30, 2011 as compared to $15.0 million in the nine months ended September 30, 2010 primarily due to a $4.5 million decrease in third party clinical trials costs. This decrease is related to the close out of our pivotal Phase 3 placebo controlled studies in EXPAREL and NDA preparation costs in 2010. This reduction was partially offset by a $1.8 million increase in compensation costs, including stock-based compensation and bonus accrual, which were not present in 2010, and an increase in EXPAREL pre-commercial manufacturing-related costs. In the nine months ended September 30, 2011 and 2010, research and development expenses attributable to EXPAREL were $12.1 million, or 99%, and $14.2 million, or 95%, of total research and development expenses, respectively. The EXPAREL-related research and development expenses incurred during the nine months ended September 30, 2011 include manufacturing-related costs that we expensed prior to regulatory approval of the product. The remaining research and development expenses relate to our product candidate initiatives, including DepoNSAID and DepoMethotrexate.

Selling, General and Administrative Expenses

        Selling, general and administrative expenses increased by $9.6 million, or 241%, to $13.5 million in the nine months ended September 30, 2011 as compared to $3.9 million in the nine months ended September 30, 2010 due to the following:

Other Income (Expense), Net

        Total other income (expense), net increased by $0.3 million, or 7%, to $3.7 million in the nine months ended September 30, 2011 as compared to $3.4 million in the nine months ended September 30, 2010 primarily due to:

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Comparison of Years Ended December 31, 2010 and 2009

 
  Year Ended
December 31,
   
 
 
  % Increase/
(Decrease)
 
 
  2010   2009  
 
  (in thousands)
   
 

Revenues

  $ 14,562   $ 15,006     (3 )%

Cost of Revenues

    12,276     12,301     (0 )%

Research and development

    18,628     26,233     (29 )%

Selling, general and administrative

    6,030     5,020     20 %

Loss on extinguishment of debt

    (184 )       N.M.  

Other income (expense), net

    150     367     (59 )%

Interest income (expense), net

    (4,743 )   (3,526 )   35 %

Revenues

        The following table sets forth a summary of our supply revenue, royalties and collaborative licensing and development revenue for the years ended December 31, 2010 and 2009:

 
  Year Ended
December 31,
   
 
 
  % Increase/
(Decrease)
 
 
  2010   2009  
 
  (in thousands)
   
 

DepoCyt(e)(1)

                   
 

Supply revenue

  $ 6,843   $ 5,882     16 %
                 
 

Royalties

    3,411     3,708     (8 )%
                 

    10,254     9,590     7 %
                 

DepoDur(1)

                   
 

Supply revenue

    797     442     80 %
                 
 

Royalties

    294     336     (13 )%
                 

    1,091     778     40 %
                 

Total DepoCyt(e) and DepoDur revenue(1)

    11,345     10,368     9 %
                 

Collaborative licensing and development revenue

    3,217     4,638     (31 )%
                 

Total revenues

  $ 14,562   $ 15,006     (3 )%
                 

(1)
Total DepoCyt(e) and DepoDur revenue does not include collaborative licensing and development revenue related to DepoCyt(e) and DepoDur.

        Revenues decreased by $0.4 million, or 3%, to $14.6 million in the year ended December 31, 2010 as compared to $15.0 million in the year ended December 31, 2009. The decrease was primarily due to a decrease in collaborative licensing and development revenue of $1.4 million and a decrease in

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royalties revenue of $0.3 million, offset by an increase in supply revenue of $1.3 million. The decrease in collaborative licensing and development revenue reflected a reduction in contract development activities for Amylin, for the year ended December 31, 2010, as well as a one-time purchase of equipment for which we were reimbursed by Amylin in the year ended December 31, 2009. The decrease in royalties in 2010 reflected a decrease in end user sales of DepoCyt(e) and DepoDur and foreign exchange rate impact on sales in Europe. The increase in supply revenue in 2010 was primarily due to higher sales of DepoCyt(e) to our European partner, driven by fulfillment of an order backlog at the end of 2009.

Cost of Revenues

        Cost of revenues of $12.3 million, remained unchanged from the prior year level. Cost of collaborative licensing and development revenue decreased, as our personnel were re-assigned subsequent to the reduction in contract development activities for Amylin. The reduction was offset by an increase in cost of supply revenue due to higher volume of supply sales and higher cost of maintenance activities.

        The cost of excess manufacturing capacity was $6.0 million and $5.5 million for the years ended December 31, 2010 and 2009, respectively. Gross margins from supply revenue were (49)% and (55)% for the years ended December 31, 2010 and 2009, respectively. Our negative margin is primarily due to excess manufacturing capacity. Excluding the costs of excess manufacturing capacity, as further described above in our Financial Operations Overview, gross margin from supply revenue was 30% and 31% for the years ended December 31, 2010 and 2009, respectively.

Research and Development Expenses

        Research and development expenses decreased by $7.6 million, or 29%, to $18.6 million in the year ended December 31, 2010 from $26.2 million in the year ended December 31, 2009. This decrease resulted primarily from a $6.7 million decrease in third party clinical trials costs, to $2.0 million in 2010 from $8.7 million in 2009, when we completed our pivotal Phase 3 placebo controlled studies.

        In the years ended December 31, 2010 and 2009, research and development expenses attributable to EXPAREL were $18.4 million, or 99%, and $25.2 million, or 96% of total research and development expenses, respectively. The remaining research and development expenses related to our other product candidate initiatives.

Selling, General and Administrative Expenses

        Selling, general and administrative expenses increased by $1.0 million, or 20%, to $6.0 million in the year ended December 31, 2010 as compared to $5.0 million in the year ended December 31, 2009. Selling expenses increased by $0.1 million, or 15%, to $0.9 million in the year ended December 31, 2010 as compared to $0.8 million in the year ended December 31, 2009, due to hiring of our commercial personnel in November 2010. General and administrative expenses increased by $0.9 million, or 20%, to $5.1 million in the year ended December 31, 2010 as compared to $4.2 million in the year ended December 31, 2009. The increase was primarily due to higher costs associated with completing the previous three years of audits and tax filings.

Loss on extinguishment of debt

        The Company recorded $0.2 million loss on extinguishment of a $11.25 million credit facility, established with GE Capital Corporation in April 2010. Although the facility was established originally for a period of 3 years, the Company elected to repay the debt in full in November 2010, from proceeds of a new term loan, established with Hercules Technology Growth Capital, Inc. in November

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2010. The amount represents the final payment fees and the balance of deferred financing cost which were written off when the debt was paid off.

Other Income (Expense), Net

        Net other income decreased by $0.2 million to $0.2 million in the year ended December 31, 2010 as compared to $0.4 million in the year ended December 31, 2009. The Company had entered into trade settlement agreements with its trade creditors in 2009. The decrease was primarily due to a lower amount of gain realized on settlements with trade creditors in 2010 compared to 2009, as a result of lower proportionate settlement payments.

Interest Income (Expense), Net

        Net interest expense increased by $1.2 million in the year ended December 31, 2010, or 35%, to $4.7 million, as compared to net interest expense of $3.5 million in the year ended December 31, 2009. The increase was primarily due to a $2.2 million increase in interest expenses resulting from our debt financing activities, offset by $1.0 million decrease in interest expense, attributable to the royalty interest obligation under the Amended and Restated Royalty Interests Assignment Agreement. The interest expense relating to the obligations under the Amended and Restated Royalty Interests Assignment Agreement is composed of (1) the difference in the revaluation of our obligations between each reporting period and (2) the actual royalty interest payments payable pursuant to the Amended and Restated Royalty Interests Assignment Agreement for such reporting period. In determining the amount of the royalty interest obligation, we employ estimates of future cash flows derived from our royalties payable to Paul Capital based on end user sales of DepoCyt(e) and DepoDur, discounted at a rate that reflects an estimate of the cost of capital under the Amended and Restated Royalty Interests Assignment Agreement. At December 31, 2010, our estimate of future end user sales of DepoCyt(e) sales in the United States was lower than the estimate as of December 31, 2009. This lower estimate resulted in a decrease of the royalty interest obligation valuation at December 31, 2010 and, as a result, $0.6 million of the royalty interest obligation was recorded as interest income in the year ended December 31, 2010. In comparison, the valuation of the royalty interest obligation at December 31, 2009 was slightly higher than the valuation at December 31, 2008, which resulted in a $0.2 million interest expense in the year ended December 31, 2009.

Comparison of Years Ended December 31, 2009 and 2008

 
  Year Ended
December 31,
   
 
 
  % Increase/
(Decrease)
 
 
  2009   2008  
 
  (in thousands)
   
 

Revenues

  $ 15,006   $ 13,925     8 %

Cost of Revenues

    12,301     17,463     (30 )%

Research and development

    26,233     33,214     (21 )%

Selling, general and administrative

    5,020     8,611     (42 )%

Other income (expense), net

    367     (224 )   N.M.  

Interest income (expense), net

    (3,526 )   3,725     N.M.  

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Revenues

        The following table sets forth a summary of our supply revenue, royalties and collaborative licensing and development revenue for the years ended December 31, 2009 and 2008:

 
  Year Ended
December 31,
   
 
 
  % Increase/
(Decrease)
 
 
  2009   2008  
 
  (in thousands)
   
 

DepoCyt(e)(1)

                   
 

Supply revenue

  $ 5,882   $ 5,912     (1 )%
                 
 

Royalties

    3,708     3,195     16 %
                 

    9,590     9,107     5 %
                 

DepoDur(1)

                   
 

Supply revenue

    442     940     (53 )%
                 
 

Royalties

    336     453     (26 )%
                 

    778     1,393     (44 )%
                 

Total DepoCyt(e) and DepoDur revenue(1)

    10,368     10,500     (1 )%
                 

Collaborative licensing and development revenue

    4,638     3,425     35 %
                 

Total revenues

  $ 15,006   $ 13,925     8 %
                 

(1)
Total DepoCyt(e) and DepoDur revenue does not include collaborative licensing and development revenue related to DepoCyt(e) and DepoDur.

        Revenues increased by $1.1 million, or 8%, to $15.0 million in the year ended December 31, 2009 as compared to $13.9 million in the year ended December 31, 2008. The increase was primarily due to increases of collaborative licensing and development revenue of $1.2 million and royalties of $0.4 million, offset by a decrease in supply revenue of $0.5 million. The increase in collaborative licensing and development revenue reflected in part a $1.0 million increase in contract development activities for Amylin in 2009, and an increase in 2009 milestone revenue resulting from a milestone payment from our U.S. DepoDur commercial partner, EKR, paid at the end of 2008. The increase in royalties in 2009 reflected an increase in end user sales of DepoCyt(e) in 2009, offset by a decline in DepoDur royalties. The decrease in supply revenue in 2009 was primarily due to EKR gradually selling down excess inventory accumulated in 2008.

Cost of Revenues

        Cost of revenues decreased by $5.2 million, or 30%, to $12.3 million in the year ended December 31, 2009 as compared to $17.5 million in the year ended December 31, 2008. The decrease was primarily due to reduction in cost of supply revenue, driven by cost control measures initiated in December 2008 and April 2009, including a reduction in force of manufacturing and support personnel, decreased reliance on outsourced providers to support our manufacturing activities, and elimination of non-essential activities.

        The cost of excess manufacturing capacity was $5.5 million and $10.1 million for the years ended December 31, 2009 and 2008, respectively. Gross margins from supply revenue were (55)% and (110)% for the years ended December 31, 2009 and 2008, respectively. Our negative margin is primarily due to excess manufacturing capacity. Excluding the costs of excess manufacturing capacity, as further described above in our Financial Operations Overview, gross margin from supply revenue was 31% and 36% for the years ended December 31, 2009 and 2008, respectively.

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Research and Development Expenses

        Research and development expenses decreased by $7.0 million, or 21%, to $26.2 million in the year ended December 31, 2009 from $33.2 million in the year ended December 31, 2008. This decrease resulted primarily from a $6.1 million decrease in clinical trials costs, to $8.7 million in 2009 from $14.8 million in 2008. In 2009, we completed our pivotal Phase 3 placebo controlled studies, as compared to in 2008 when we incurred most of the expenses for three Phase 3 comparator studies as well as three Phase 2 studies.

        In the years ended December 31, 2009 and 2008, research and development expenses attributable to EXPAREL were $25.2 million, or 96%, and $31.9 million, or 96% of total research and development expenses, respectively. The remaining research and development expenses related to our other product candidate initiatives.

Selling, General and Administrative Expenses

        Selling, general and administrative expenses decreased by $3.6 million, or 42%, to $5.0 million in the year ended December 31, 2009 from $8.6 million in the year ended December 31, 2008. Selling expenses were $1.6 million lower in 2009 as compared to 2008, as we curtailed our pre-commercial efforts in early 2009, resulting in $1.0 million decrease in outside services and $0.3 million decrease in compensation expenses. General and administrative expenses decreased by $2.0 million in the year ended December 31, 2009 as compared to 2008, primarily due to a $0.8 million decrease in salary expenses and a $0.7 million decrease in severance and recruiting expenses.

Other Income (Expense), Net

        Net other income increased by $0.6 million, to $0.4 million in the year ended December 31, 2009 as compared to $0.2 million in net other expense in the year ended December 31, 2008. The increase was primarily due to a gain realized on settlement with trade creditors in 2009.

Interest Income (Expense), Net

        Net interest expense increased by $7.3 million in the year ended December 31, 2009, to $3.5 million, as compared to net interest income of $3.7 million in the year ended December 31, 2008. $5.4 million of the increase in interest expense was primarily attributable to the royalty interest obligation under the Amended and Restated Royalty Interests Assignment Agreement and $1.7 million was due to our debt financing activities in 2009. The interest income (expense) relating to the obligations under the Amended and Restated Royalty Interests Assignment Agreement is composed of (1) the difference in the revaluation of our obligations under the Amended and Restated Royalty Interests Assignment Agreement between each reporting period and (2) the actual royalty interest payments payable pursuant to the Amended and Restated Royalty Interests Assignment Agreement for such reporting period. In determining the amount of the royalty interest obligation, we employ estimates of future cash flows derived from our royalties payable to Paul Capital based on end user sales of DepoCyt(e) and DepoDur, discounted at a rate that reflects an estimate of the cost of capital under the Amended and Restated Royalty Interests Assignment Agreement. At December 31, 2008, our estimate of future end user sales of DepoCyt(e) and DepoDur was considerably lower than the estimate as of December 31, 2007. This lower estimate resulted in a decrease of the royalty interest obligation valuation of $10.2 million at December 31, 2007 to $5.0 million at December 31, 2008. As a result, $5.2 million of the royalty interest obligation was recorded as interest income in the year ended December 31, 2008. In comparison, the valuation of the royalty interest obligation of $5.2 million at December 31, 2009 was slightly higher than the valuation of $5.0 million at December 31, 2008, which resulted in a $0.2 million interest expense in the year ended December 31, 2009.

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Quarterly Results of Operations

        The following tables set forth our unaudited operating results for each of the eleven quarters preceding and including the period ended September 30, 2011. The information is derived from our unaudited financial statements. In the opinion of management, our unaudited financial statements include all adjustments, consisting only of normal recurring items necessary for a fair statement of interim periods. The financial information presented for the interim periods has been prepared in a manner consistent with our accounting policies described elsewhere in this prospectus and should be read in conjunction therewith. Operating results for interim periods are not necessarily indicative of the results that may be expected for a full-year period.

 
  Three Months Ended  
 
  March 31,
2010
  June 30,
2010
  September 30,
2010
  December 31,
2010
  March 31,
2011
  June 30,
2011
  September 30,
2011
 
 
  (unaudited)
(in thousands, except share and per share amounts)

 

Consolidated Statement of Operations Data:

                                           

Revenues

  $ 4,784   $ 3,055   $ 4,532   $ 2,191   $ 3,864   $ 3,636   $ 3,956  

Gross profit

    1,038     206     959     83     198     521     599  

Net loss

    (5,392 )   (6,813 )   (7,900 )   (7,044 )   (9,774 )   (8,763 )   (9,508 )

Net loss per common share-basic and diluted

  $ (9.39 ) $ (11.86 ) $ (13.77 ) $ (12.27 ) $ (0.98 ) $ (0.51 ) $ (0.55 )

Weighted average number of common shares-basic and diluted

    574,291     574,496     573,521     573,994     10,014,042     17,233,146     17,230,826  

 

 
  Three Months Ended  
 
  March 31,
2009
  June 30,
2009
  September 30,
2009
  December 31,
2009
 
 
  (unaudited)
(in thousands, except share and per share amounts)

 

Consolidated Statement of Operations Data:

                         

Revenues

  $ 3,881   $ 3,081   $ 3,760   $ 4,284  

Gross profit

    127     732     1,040     806  

Net loss

    (8,093 )   (7,973 )   (6,670 )   (8,971 )

Net loss per common share-basic and diluted

  $ (14.14 ) $ (13.92 ) $ (11.63 ) $ (15.63 )

Weighted average number of common shares-basic and diluted

    572,354     572,892     573,304     573,875  

Liquidity and Capital Resources

        Since our inception in 2007, we have devoted most of our cash resources to research and development and general and administrative activities primarily related to the development of EXPAREL. We have financed our operations primarily with the proceeds from the sale of convertible preferred stock, secured and unsecured notes and borrowings under debt facilities, supply revenue, royalties and collaborative licensing and development revenue. We raised approximately $37.1 million in net proceeds through an initial public offering completed on February 8, 2011. We have generated limited supply revenue and royalties, and we do not anticipate generating any revenues from the sale of EXPAREL until the first quarter of 2012. We have incurred losses and generated negative cash flows from operations since inception. As of September 30, 2011, we had an accumulated deficit of $165.0 million, cash and cash equivalents and short-term investments of $37.1 million and working capital of $25.6 million.

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        The following table summarizes our cash flows from operating, investing and financing activities for the nine months ended September 30, 2011 and September 30, 2010 and for the years ended December 31, 2010, 2009 and 2008:

 
  Year Ended
December 31,
  Nine Months Ended
September 30,
 
 
  2010   2009   2008   2011   2010  
 
   
   
   
  (unaudited)
 
 
  (in thousands)
 

Consolidated Statement of Cash Flows Data:

                               

Net cash provided by (used in):

                               

Operating activities

  $ (24,880 ) $ (20,838 ) $ (29,189 ) $ (23,404 ) $ (19,041 )

Investing activities

    (6,769 )   (5,509 )   (5,838 )   (24,355 )   (3,821 )

Financing activities

    50,705     21,038     40,173     38,028     29,636  
                       

Net increase (decrease) in cash and cash equivalents

  $ 19,056   $ (5,309 ) $ 5,146   $ (9,731 ) $ 6,774  
                       

Operating Activities

        During the nine months ended September 30, 2011 and 2010, our net cash used in operating activities was $23.4 million and $19.0 million, respectively. The $4.4 million increase in net cash used in operating activities was driven by (i) a $2.3 million decrease in supply revenue due to lower lot sales to our commercial partners, (ii) a $1.8 million increase in interest paid primarily due to cash paid for interest monthly on the Hercules Note versus accrual of interest on the convertible and secured notes, which was converted into equity upon the initial public offering, and (iii) higher selling, general and administrative expenses as we prepare for the commercialization of EXPAREL. This increase was partially offset by a $1.5 million up-front payment received from our development partner Novo pursuant to the Novo Agreement and lower research and development expenses due to the closeout of our two pivotal Phase 3 clinical trials in EXPAREL.

        For the years ended December 31, 2010, 2009 and 2008, our net cash used in operating activities was $24.9 million, $20.8 million and $29.2 million, respectively. The increase in net cash used in operating activities in 2010 resulted from an absence of milestone receipts in 2010 compared to 2009, when the Company received $5.0 million license fees from one of our commercial partners, and higher interest expense on the Company's credit facilities, offset by lower expenses on research and development. The decrease in net cash used in operating activities in 2009 resulted from lower research and development and selling expenses and a $3.8 million increase in the deferred revenue balance, primarily due to receipt of license fees from one of our commercial partners, offset by a decrease in accounts payable of $4.4 million.

Investing Activities

        During the nine months ended September 30, 2011 and 2010, our net cash used in investing activities was $24.4 million and $3.8 million, respectively. In 2011, we invested $20.7 million from the net proceeds of our initial public offering in investment grade commercial paper and corporate bonds with maturities of less than one year. We purchased fixed assets of $3.7 million and $3.8 million during the nine months ended September 30, 2011 and 2010, respectively, primarily for the construction of our manufacturing facilities.

        For the years ended December 31, 2010, 2009 and 2008, our net cash used in investing activities was $6.8 million, $5.5 million and $5.8 million, respectively. The net cash used in investing activities in 2010 and 2009 and 2008 was primarily for the purchases of fixed assets of $6.8 million, $5.5 million, and $5.8 million, respectively as the Company constructed its manufacturing capability.

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Financing Activities

        During the nine months ended September 30, 2011 and 2010, our net cash provided by financing activities was $38.0 million and $29.6 million, respectively. The net cash provided by financing activities in 2011 was primarily from the issuance of common stock in connection with our initial public offering completed in February 2011. We raised approximately $37.1 million in net proceeds in the initial public offering, after deducting $4.9 million in offering expenses of which $0.9 million was paid prior to December 31, 2010. The net cash provided by financing activities in the nine months ended September 30, 2010 was primarily due to the issuance of $18.8 million in principal amount of secured notes to certain of our existing investors and the borrowings under a credit facility we had with General Electric Capital Corporation of $11.3 million partially offset by $0.4 million in financing costs.

        For the years ended December 31, 2010, 2009 and 2008, our net cash provided by financing activities was $50.7 million, $21.0 million and $40.2 million, respectively. The net cash provided by financing activities in 2010 was primarily due to borrowings under the Hercules Credit Facility for net proceeds of $25.8 million, sale and issuance of secured notes for net proceeds of $18.6 million, and sale and issuance of convertible notes to certain of our existing investors for net proceeds of $7.5 million. The net cash provided by financing activities in 2009 was primarily due to the sale and issuance of notes payable, for total net proceeds of $21.0 million. The net cash provided by financing activities in 2008 was due primarily to the sale and issuance of our Series A convertible preferred stock, for total net proceeds of $40.0 million.

Equity Financings

        From inception through September 30, 2011, we have received net proceeds of approximately $37.1 million from the sale of common stock and we have received net proceeds of $85.0 million from the sale of our Series A convertible preferred stock. The various issuances of our Series A convertible preferred stock are described in more detail under "Related Person Transactions—Preferred Stock Issuances."

        In connection with our formation, we issued in March 2007 an aggregate of 464,900 shares of common stock for total aggregate consideration of $50,000.

        In February 2011, we completed an initial public offering of our common stock pursuant to a registration statement on Form S-1, as amended (File No. 333-170245) that was declared effective on February 2, 2011. Under the registration statement, we registered the offering and sale of an aggregate of 6,900,000 shares of our common stock. An aggregate of 6,000,000 shares of common stock registered under the registration statement were sold at a price to the public of $7.00 per share. Barclays Capital Inc. and Piper Jaffray & Co. acted as joint book running managers of the offering and as representatives of the underwriters. The offering commenced on February 3, 2011 and closed on February 8, 2011. The over-allotment option was not exercised by the underwriters. As a result of our initial public offering, we raised approximately $37.1 million in net proceeds after deducting approximately $4.9 million in underwriting discounts and commissions and estimated offering expenses.

        In March 2007, we entered into a Series A Preferred Stock Purchase Agreement pursuant to which we issued and sold an aggregate of 6,322,640 shares of Series A convertible preferred stock in four separate closings held in March 2007, February 2008, July 2008 and October 2008, at a purchase price of $13.44 per share. The aggregate consideration for the shares of Series A convertible preferred stock was $85 million in cash.

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        On January 22, 2009, we issued warrants in connection with the issuance of the 2009 Convertible Notes. The warrants are exercisable for an aggregate of 158,065 of shares of our common stock at an exercise price of $2.69 per share and will expire on January 21, 2014.

        On July 2, 2009, we issued warrants to the landlord of our two San Diego facilities in connection with amendments to respective lease agreements that deferred minimum annual rental obligations. The warrants are exercisable for an aggregate of 23,244 shares of our common stock at a price of $13.44 per share and will expire on the earlier of July 1, 2016 or the fifth anniversary of the consummation of our initial public offering.

        On November 24, 2010, we issued warrants to the lenders under the Hercules Credit Facility. The warrants are exercisable for an aggregate of 178,986 shares of our common stock at an exercise price of $13.44 per share and will expire on Feburary 2, 2016.

        On December 29, 2010, we issued warrants in connection with the December 2010 Convertible Notes. The warrants are exercisable for an aggregate of 167,361 of shares of our common stock with an exercise price of $13.44 per share and will expire on December 29, 2017.

Debt Facilities

        As of September 30, 2011, we had $26.25 million of indebtedness under the Hercules Credit Facility.

        On November 24, 2010, we entered into a $26.25 million credit facility with Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P., as lenders. At the closing of the Hercules Credit Facility, we entered into a term loan in the aggregate principal amount of $26.25 million, which was the full amount available under the Hercules Credit Facility. As of September 30, 2011, the entire term loan of $26.25 million was outstanding. The term loan under the Hercules Credit Facility is comprised of two tranches, Tranche A and Tranche B. The Tranche A portion of the term loan is comprised of $11.25 million in principal and carries a floating per annum interest rate equal to 10.25% plus the amount, if any, by which the prime rate exceeds 4.00%. Upon the release of the investors' guaranty (described below), the interest rate on the Tranche A portion of the term loan will increase to a floating per annum interest rate equal to 11.00% plus the amount, if any, by which the prime rate exceeds 4.00%. The Tranche B portion of the term loan is comprised of $15.0 million in principal and carries a floating per annum interest rate equal to 12.65% plus the amount, if any, by which the prime rate exceeds 4.00%. As of September 30, 2011, the interest rate on the Tranche A portion was 10.25% and on the Tranche B portion was 12.65%. Interest on the term loan is payable monthly. If there is an event of default under the Hercules Credit Facility, we will be obligated to pay interest at a higher default rate. The proceeds of the term loan under the Hercules Credit Facility have been used to repay the GECC Credit Facility in full and the remainder will be used for other general corporate purposes.

        As further consideration to the lenders to provide the term loan to us under the Hercules Credit Facility, we issued to the lenders a warrant to purchase 178,986 shares of our common stock. The exercise price for the shares to be issued under the warrant is equal to $13.44 per share. The warrant is valid from the date of issuance until the earlier to occur of ten (10) years from the date of issuance or five (5) years following the effective date of the registration statement for our initial public offering.

        The Hercules Credit Facility provides for an "interest only period" when no principal amounts are due and payable. The interest only period runs through February 28, 2012. Following the end of the interest only period, the term loan is to be repaid in 33 monthly installments of principal and interest beginning on the first business day after the month in which the interest only period ends. Amounts

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repaid may not be re-borrowed. We can, at any time, prepay all or any part of the term loan provided that so long as the investors' guaranty (as described below) is in effect, we cannot prepay any part of the Tranche A portion of the term loan without the lenders' consent if any of the Tranche B portion is outstanding. If the investors' guaranty is not in effect, then any prepayments are to be applied pro rata across the outstanding balance of both portions of the term loan. In connection with any prepayments of the term loan under the Hercules Credit Facility, we are required to pay, in addition to all principal and accrued and unpaid interest on such term loan, a prepayment charge equal to 1.25% of the principal amount being prepaid. In addition, there is an end of term charge that is payable to the lenders upon the earliest to occur of the maturity date, the prepayment in full of our obligations under the Hercules Credit Facility and the acceleration of our obligations under the Hercules Credit Facility.

        The Hercules Credit Facility is secured by a first priority lien on all of our assets other than the assets that secure our obligations under Amended and Restated Royalty Interests Assignment Agreement (as described below). In addition, the Hercules Credit Facility is guaranteed by certain of our investors (other than the entities affiliated with HBM) on a several and not joint basis which guarantee is limited to each investor's pro rata portion of the outstanding principal and accrued and unpaid interest under the Hercules Credit Facility, but in no event exceeding $11.25 million in the aggregate. The Hercules loan agreement provides that, upon the occurrence of certain circumstances and upon our request, the investors' guarantee may be terminated and released.

        The Hercules loan and security agreement contains events of default including payment default, default arising from the breach of the provisions of the Hercules loan and security agreement and related documents (including the occurrence of certain changes in control, including if our chief executive officer ceases under certain conditions to be involved in the daily operations or management of the business, or if certain holders of our capital stock cease to retain, after the consummation of certain corporate transactions, shares representing more than 50% of the surviving entity after such transactions (provided that our initial public offering shall not constitute such a change in control)) or the inaccuracy of representations and warranties contained in the loan and security agreement, attachment default, bankruptcy and insolvency, cross-default with respect to certain other indebtedness (including certain events under the Amended and Restated Royalty Interests Assignment Agreement), breach of the terms of any guarantee (including the investors' guarantee) of the Hercules Credit Facility, the occurrence of a material adverse effect (as defined in the Hercules loan and security agreement).

        The occurrence of an event of default under the Hercules Credit Facility could trigger the acceleration of our obligations under the Hercules Credit Facility or allow the lenders to exercise other rights and remedies, including rights against our assets that secure the Hercules Credit Facility and rights under guarantees provided to support the obligations under the Hercules Credit Facility.

        The Hercules loan and security agreement contains a number of affirmative and restrictive covenants, including reporting requirements and other collateral limitations, certain limitations on liens and indebtedness, dispositions, mergers and acquisitions, restricted payments and investments, corporate changes and waivers and amendments to certain agreements, our organizational documents, and documents relating to debt that is subordinate to our obligations under the Hercules Credit Facility.

Royalty Interests Assignment Agreement

        On March 23, 2007, we entered into the Amended and Restated Royalty Interests Assignment Agreement with Paul Capital, pursuant to which we assigned to Paul Capital the right to receive up to approximately 20% of our royalty payments from DepoCyt(e) and DepoDur. The original agreement was entered into prior to the Acquisition by the Predecessor in order to monetize certain royalty payments from DepoCyt(e) and DepoDur. In connection with the Acquisition, the original agreement

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with Paul Capital was amended and restated and the responsibility to pay the royalty interest in product sales of DepoCyt(e) and DepoDur was transferred to us and we were required to make payments to Paul Capital upon the occurrence of certain events. To secure our obligations to Paul Capital, we granted Paul Capital a security interest in collateral which includes the royalty payments we are entitled to receive with respect to sales of DepoCyt(e) and DepoDur, as well as to bank accounts to which such payments are deposited. Under our arrangement with Paul Capital, upon the occurrence of certain events, including if we experience a change of control, undergo certain bankruptcy events of us or our subsidiary, transfer any or substantially all of our rights in DepoCyt(e) and/or DepoDur, transfer all or substantially all of our assets, breach certain of the covenants, representations or warranties under the Amended and Restated Royalty Interests Assignment Agreement, or sales of DepoCyt(e) and/or DepoDur are suspended due to an injunction or if we elect to suspend sales of DepoCyt(e) and/or DepoDur as a result of a lawsuit filed by certain third parties, Paul Capital may require us to repurchase the rights we assigned to it at a cash price equal to (a) 50% of all cumulative payments made by us to Paul Capital under the Amended and Restated Royalty Interests Assignment Agreement during the preceding 24 months, multiplied by (b) the number of days from the date of Paul Capital's exercise of such option until December 31, 2014, divided by 365. Under the terms of the Amended and Restated Royalty Interests Assignment Agreement, our initial public offering did not constitute a change of control.

Future Capital Requirements

        We believe that the net proceeds from this offering, together with our existing cash and cash equivalents, short-term investments and revenue from product sales, will be sufficient to enable us to fund our operating expenses, capital expenditure requirements and service our indebtedness for at least the next 12 months. However, no assurance can be given that this will be the case, and we may require additional debt or equity financing to meet our working capital requirements. We expect that the net proceeds from this offering will be sufficient for our planned manufacture and commercialization of EXPAREL in the United States. Our need for additional external sources of funds will depend significantly on the level and timing of our sales of EXPAREL. Moreover, changing circumstances may cause us to expend cash significantly faster than we currently anticipate, and we may need to spend more cash than currently expected because of circumstances beyond our control.

        Our expectations regarding future cash requirements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments that we make in the future. We have no current understandings, agreements or commitments for any material acquisitions or licenses of any products, businesses or technologies. We may need to raise substantial additional capital in order to engage in any of these types of transactions.

        We expect to continue to incur substantial additional operating losses as we commercialize EXPAREL and develop and seek regulatory approval for our product candidates. We will incur significant sales and marketing and manufacturing expenses due to the commercialization of EXPAREL. In addition, we expect to incur additional expenses to add operational, financial and information systems and personnel, including personnel to support our planned product commercialization efforts.

        Our future use of operating cash and capital requirements will depend on many forward-looking factors, including the following:

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        To the extent that our capital resources are insufficient to meet our future operating and capital requirements, we will need to finance our cash needs through public or private equity offerings, debt financings, corporate collaboration and licensing arrangements or other financing alternatives. The covenants under the Hercules Credit Facility and the Amended and Restated Royalty Interests Assignment Agreement and the pledge of our assets as collateral limit our ability to obtain additional debt financing. We have no committed external sources of funds. Additional equity or debt financing or corporate collaboration and licensing arrangements may not be available on acceptable terms, if at all.

        If we raise additional funds by issuing equity securities, our stockholders will experience dilution. Debt financing, if available, would result in increased fixed payment obligations and may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends. Any debt financing or additional equity that we raise may contain terms, such as liquidation and other preferences, that are not favorable to us or our stockholders. If we raise additional funds through collaboration and licensing arrangements with third parties, it may be necessary to relinquish valuable rights to our technologies, future revenue streams or product candidates or to grant licenses on terms that may not be favorable to us.

Off-Balance Sheet Arrangements

        We do not have any off-balance sheet arrangements, except for operating leases, or relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities.

Contractual Obligations

        The following table summarizes our contractual obligations as of December 31, 2010:

 
  Payments Due by Period  
 
  Total   Less than
one year
  1-3 years   3-5 years  
 
  (in thousands)
 

Contractual obligations(1):

                         

Debt obligations(2)

  $ 26,250   $ 3,182   $ 19,091   $ 3,977  

Interest payments on debt(2)

    6,684     3,064     3,456     164  

Operating lease obligations(3)

    23,823     5,827     9,788     8,208  
                   

  $ 56,757   $ 12,073   $ 32,335   $ 12,349  
                   

(1)
This table does not include (i) royalties payable to Paul Capital (through 2014 pursuant to the Amended and Restated Royalty Interest Assignment Agreement described in "Management's Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources—Royalty Interests Assignment Agreement") and pursuant to the Assignment

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(2)
The interest only period on the Hercules Credit Facility initially was from November 24, 2010 through August 31, 2011, but has been extended, at our request, to February 28, 2012. Following the end of the interest only period, the term loan is to be repaid in 33 monthly installments of principal and interest beginning on the first business day after the month in which the interest only period ends. The principal payments as of September 30, 2011 are due as follows: $7.1 million in 2012, $9.4 million in 2013 and $9.8 million in 2014. The associated interest obligation on the Hercules Credit Facility with the extended interest only period is: $0.8 million in the fourth quarter of 2011, $2.7 million in 2012, $1.7 million in 2013 and $0.5 million in 2014.

(3)
Includes building and equipment leases. In August 2011, we entered into a new lease contract for our corporate headquarters in Parsippany, New Jersey. The lease for this facility begins in November 2011 and expires in June 2017. The annual minimum rental payments due under the new lease are as follows: $0 in the fourth quarter of 2011, $0.3 million in 2012, $0.3 million in 2013, $0.3 million in 2014, $0.4 million in 2015, and $0.7 million thereafter.

Recent Accounting Pronouncements

        In September 2011, the Financial Accounting Standards Board, or FASB, released Accounting Standards, or ASU, Update No. 2011-08, "Intangibles—Goodwill and Other." The amended guidance will allow companies to assess qualitative factors to determine if it is more-likely-than-not that goodwill might be impaired and whether it is necessary to perform the two-step goodwill impairment test required under current accounting standards. This guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011 (January 1, 2012 for us). We have determined that this guidance will not have a material impact on our consolidated financial statements.

        In June 2011, the FASB issued ASU, No. 2011-05, "Presentation of Comprehensive Income." These changes give an entity the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements; the option to present components of other comprehensive income as part of the statement of changes in stockholders' equity was eliminated. ASU No. 2011-05 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011 (January 1, 2012 for us) and interim and annual periods thereafter. Early adoption is permitted, and full retrospective application is required. Since this ASU pertains to presentation requirements only, the adoption of this ASU will not have a material impact on our consolidated financial statements.

        Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or not significant to the consolidated financial statements of the Company.

Quantitative and Qualitative Disclosures about Market Risk

        The primary objective of our investment activities is to preserve our capital to fund operations. We also seek to maximize income from our investments without assuming significant risk. Our exposure to market risk is confined to our cash and cash equivalents. As of September 30, 2011, we had cash and cash equivalents and short-term investments of $37.1 million. We do not engage in any hedging activities against changes in interest rates. Because of the short-term maturities of our cash and cash equivalents and short-term investments, we do not believe that an increase in market rates would have

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any significant impact on the realized value of our investments, but may increase the interest expense associated with our debt.

        We have agreements with our commercial partners for DepoCyte and DepoDur who sell our products in the EU. Under these agreements, we provide finished goods to our commercial partners in exchange for euro-denominated supply revenue, and we also receive euro-denominated royalties on market sales when the products are sold to end users. Because of these agreements, we are subject to fluctuations in exchange rates, specifically in the relative values of the U.S. dollar and the euro.

        Because of these agreements, we are subject to fluctuations in exchange rates, specifically in the relative values of the U.S. dollar and the euro. We estimate that an unfavorable fluctuation in exchange rates of 10% would have an impact of approximately $0.5 million on our annual revenue. Between January 2008 and September 2011 the exchange rate between the U.S. dollar and the Euro ranged between $1.20 per Euro and $1.60 per Euro.

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BUSINESS

Overview

        We are an emerging specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products, based on our proprietary DepoFoam drug delivery technology, for use in hospitals and ambulatory surgery centers.

        On October 28, 2011, the United States Food and Drug Administration, or FDA, approved our New Drug Application, or NDA, for our lead product candidate, EXPAREL, a liposome injection of bupivacaine, an amide local anesthetic, indicated for single-dose infiltration into the surgical site to produce postsurgical analgesia.

        Our clinical data demonstrates that EXPAREL provides analgesia for up to 72 hours post-surgery, compared with approximately eight hours or less for bupivacaine. Bupivacaine and other shorter acting local anesthetics of the amide type such as mepivacaine and lidocaine are commonly used as the first line of treatment, pre- and post-operatively, of a multimodal postsurgical pain treatment regimen. Because bupivacaine, mepivacaine and lidocaine last eight hours or less, administration of these local anesthetics is commonly followed by the systemic administration of opioids, such as morphine. Together, these drugs form the foundation of the multimodal postsurgical pain treatment regimen for the treatment of extended duration pain. Opioids are associated with a variety of significant adverse events leading to healthcare practioners seeking opioid-sparing strategies for their patients and unfavorable hospital economics.

        We believe EXPAREL addresses a significant unmet medical need for a long-acting non-opioid postsurgical analgesic, resulting in simplified postsurgical pain management and reduced opioid consumption, leading to improved patient outcomes and enhanced hospital economics. We estimate there are approximately 39 million opportunities annually in the United States for EXPAREL to be used.

        EXPAREL will be launched by certain members of our management team who have successfully launched multiple products in the hospital market. Our commercial team has executed on a full range of pre-launch activities for EXPAREL including: (i) publications and abstracts for the EXPAREL clinical program efficacy and safety, health outcomes studies, and review articles on postsurgical pain management; (ii) health outcomes studies which provide retrospective and prospective analyses for our hospital customers using their own hospital data to demonstrate the true cost of opioid-based postsurgical pain management; (iii) key opinion leader, or KOL, development programs and advisory boards to address topics of best practice techniques, guidelines and protocols for the use of EXPAREL, educational needs of our physician, pharmacist and registered nurse customers, nerve block clinical studies and additional indications for the future development of EXPAREL and (iv) education initiatives such as center of excellence programs, preceptorship programs, pain protocols and predictive models for enhanced patient care, web-based training and virtual launch programs.

        We are developing a sales force entirely dedicated to commercializing EXPAREL comprised of approximately 60 representatives, seven regional managers and a national sales manager. We intend to develop this sales force pursuant to a contract with Quintiles Commercial US, Inc., a division of Quintiles, Inc., or Quintiles, and under the terms of this contract we have the flexibility to hire all or a portion of the sales force dedicated to commercializing EXPAREL as full-time employees of Pacira, upon 60 days notice to Quintiles. We believe that our pre-launch activities including significant personal interactions with our hospital customers, position us for a successful launch of EXPAREL in the first quarter of 2012.

        EXPAREL consists of bupivacaine encapsulated in DepoFoam, both of which are used in FDA-approved products. DepoFoam, our extended release drug delivery technology, is the basis for our

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two additional FDA-approved commercial products: DepoCyt(e) and DepoDur, which we manufacture for our commercial partners. DepoFoam-based products have been manufactured for over a decade and have an extensive safety record and regulatory approvals in the United States, European countries and other territories. Bupivacaine, a well-characterized, FDA-approved anesthetic/analgesic, has an established safety profile and over 20 years of use in the United States. We currently manufacture clinical supplies of EXPAREL and intend to manufacture and commercialize EXPAREL now that it has been approved.

        The FDA-approved label for EXPAREL includes a broad label for postsurgical analgesia by local administration into the surgical site, or infiltration, a procedure commonly employing bupivacaine. The approved indication states "EXPAREL is a liposome injection of bupivacaine, an amide local anesthetic, indicated for single-dose infiltration into the surgical site to produce postsurgical analgesia". We also currently plan to expand the indications of EXPAREL to include nerve block and epidural administration, markets where bupivacaine is also used routinely.

        Our current product portfolio and product candidate pipeline is summarized in the table below:

Product(s)/ Product Candidate(s)
  Primary Indication(s)   Status   Commercialization Rights

EXPAREL

  Postsurgical analgesia by infiltration   Approved by FDA   Pacira (worldwide)

 

Postsurgical analgesia—nerve block

 

Phase 2 (completed)

 

Pacira (worldwide)

 

Postsurgical analgesia—epidural administration

 

Phase 1 (completed)

 

Pacira (worldwide)

DepoCyt(e)

 

Lymphomatous meningitis

 

Marketed

 

Sigma-Tau Pharmaceuticals
Mundipharma International

DepoDur

 

Post-operative pain

 

Marketed

 

EKR Therapeutics
Flynn Pharmaceuticals

DepoNSAID

 

Acute pain

 

Preclinical

 

Pacira (worldwide)

DepoMethotrexate

 

Rheumatoid arthritis
Oncology

 

Preclinical
Preclinical

 

Pacira (worldwide)
Pacira (worldwide)

Our Strategy

        Our goal is to be a leading specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products principally for use in hospitals and ambulatory surgery centers. We plan to achieve this by:

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Postsurgical Pain Market Overview

        According to Thomson Reuters, roughly 45 million surgical procedures were performed in the United States during the twelve months ending in October 2007. We estimate there are approximately 39 million opportunities annually in the United States where EXPAREL could be used to improve patient outcomes and enhance hospital economics. Postsurgical pain is a response to tissue damage during surgery that stimulates peripheral nerves, which signal the brain to produce a sensory and psychological response. Numerous studies reveal that the incidence and severity of postsurgical pain is primarily determined by the type of surgery, duration of surgery and the pain treatment choice following surgery. Postsurgical pain is usually the most severe the first few days after the completion of a surgical procedure.

Limitations of Current Therapies for Postsurgical Pain

        Substantially all surgical patients experience postsurgical pain, with approximately 50% reporting inadequate pain relief according to certain epidemiological studies. Unrelieved acute pain causes patient suffering and can lead to other health problems, which delays recovery from surgery and may result in higher healthcare costs. According to the Agency for Healthcare Research and Quality, aggressive prevention of pain is better than treatment of pain because, once established, pain is more difficult to suppress. Current multimodal therapy for postsurgical pain includes wound infiltration with local anesthetics combined with the systemic administration of opioid and non-steroidal anti-inflammatory drug, or NSAID, analgesics.

        Treatment of postsurgical pain typically begins at the end of surgery, with local anesthetics, such as bupivacaine, administered by local infiltration. Though this infiltration provides a base platform of postsurgical pain management for the patient, efficacy of conventional bupivacaine and other available local anesthetics is limited, lasting approximately eight hours or less. As local infiltration is not practical after the surgery is complete, and as surgical pain is greatest in the first few days after surgery, additional therapeutics are required to manage postsurgical pain.

        Opioids, such as morphine, are the mainstay of postsurgical pain management but are associated with a variety of unwanted and potentially severe side effects, leading healthcare practitioners to seek opioid-sparing strategies for their patients. Opioid side effects include sedation, nausea, vomiting, urinary retention, headache, itching, constipation, cognitive impairment, respiratory depression and death. Side effects from opioids have been demonstrated to reduce the patient's quality of life and

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result in suboptimal pain relief. These side effects may require additional medications or treatments and prolong a patient's stay in the post-anesthesia care unit and the hospital or ambulatory surgery center, thereby increasing costs significantly.

        Opioids are often administered intravenously through patient controlled analgesia, or PCA, systems in the immediate postsurgical period. The total cost of PCA postsurgical pain management for three days can be up to $500, not including the costs of treating opioid complications. In an attempt to reduce opioid usage, many hospitals employ elastomeric bag systems designed to deliver bupivacaine to the surgical area through a catheter over a period of time. This effectively extends the duration of bupivacaine in the postsurgical site but has significant shortcomings.

        PCA systems and elastomeric bag systems are clumsy and difficult to use, which may delay patient ambulation and introduce catheter-related issues, including infection. In addition, PCA systems and elastomeric bags require significant hospital resources to implement and monitor.

        NSAIDs are considered to be useful alternatives to opioids for the relief of acute pain since they do not produce respiratory depression or constipation. Despite these advantages, the use of injectable NSAIDs, such as ketorolac and ibuprofen, is severely limited in the postsurgical period because they increase the risk of bleeding and gastrointestinal and renal complications.

Our Solution—EXPAREL

        EXPAREL provides continuous and extended postsurgical analgesia for up to 72 hours and reduces the consumption of supplemental opioid medications. We believe this will simplify postsurgical pain management, minimize breakthrough episodes of pain and result in improved patient outcomes and enhanced hospital economics.

        Our EXPAREL strategy has four principal elements:

Replace the use of bupivacaine in postsurgical infiltration.    Based on our clinical data, EXPAREL:

Become the foundation of a postsurgical pain management regimen in order to reduce and delay opioid usage.    Based on the clinical data from our Phase 3 hemorrhoidectomy trial as well as our retrospective health outcomes studies data, EXPAREL:

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Improve patient satisfaction.    We believe EXPAREL:

Develop and seek approval of EXPAREL for nerve block and epidural administration.    We believe these additional indications for EXPAREL:

EXPAREL Development Program

        EXPAREL has demonstrated efficacy and safety in two multicenter, randomized, double-blind, placebo-controlled, pivotal Phase 3 clinical trials in patients undergoing soft tissue surgery (hemorrhoidectomy) and orthopedic surgery (bunionectomy). At a pre-NDA meeting in February 2010, the FDA acknowledged that the two pivotal Phase 3 clinical trials conducted by us, in patients undergoing hemorrhoidectomy and bunionectomy surgeries, appeared to be appropriately designed to evaluate the safety and efficacy of EXPAREL. Both trials met their primary efficacy endpoints in demonstrating statistically significant analgesia through 72 hours for the hemorrhoidectomy trial and 24 hours for the bunionectomy trial. Both trials also met multiple secondary endpoints, including decreased opioid use and delayed time to first opioid use. These two pivotal Phase 3 clinical trials formed the basis of the evidence for efficacy in the NDA for EXPAREL.

        The safety of EXPAREL has been demonstrated in 21 clinical trials consisting of nine Phase 1 trials, seven Phase 2 trials and five Phase 3 trials. EXPAREL was administered to over 1,300 human patients at doses ranging from 10 mg to 750 mg administered by local infiltration into the surgical site, and by subcutaneous, perineural, epidural and intraarticular administration. In all 21 clinical trials, EXPAREL was well tolerated. The most common treatment emergent adverse events in the EXPAREL and placebo groups were nausea and vomiting and occurred with similar frequency across the EXPAREL and placebo groups. No signal of any of the central nervous system or cardiovascular system adverse events typically observed with high doses of bupivacaine has been observed with EXPAREL. We conducted two thorough QTc studies that demonstrated that EXPAREL did not cause significant QTc prolongation (a measure of cardiac safety mandated by the FDA for all new products) even at the highest dose evaluated. No events of destruction of articular cartilage, or chondrolysis, have been reported in any of the EXPAREL trials. EXPAREL did not require dose adjustment in patients with mild to moderate liver impairment.

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Pivotal Phase 3 Clinical Trials

        Hemorrhoidectomy.    Our pivotal Phase 3 hemorrhoidectomy clinical trial was a multicenter, randomized, double-blind, placebo-controlled trial conducted in 189 patients at 14 sites in Europe. The study enrolled patients 18 years of age or older undergoing a two or three column excisional hemorrhoidectomy under general anesthesia using the Milligan-Morgan technique, a commonly used method for surgically removing hemorrhoids. We studied a 300 mg dose of EXPAREL with a primary endpoint of pain control for up to 72 hours with morphine rescue medication available to both trial groups. Additional endpoints included the proportion of pain-free patients, proportion of patients requiring opioid rescue medication, total opioid usage, time to first use of opioid rescue medication and patient satisfaction.

        The 300 mg dose of EXPAREL provided a statistically significant 30% reduction in pain (p<0.0001), as measured by the area under the curve, or AUC, of the NRS-R pain scores at 72 hours and all additional time points measured up to 72 hours. The numeric rating scale at rest score, or the NRS-R, is a commonly used patient reported measurement of pain. Under the NRS-R, severity of pain is measured on a scale from 0 to 10, with 10 representing the worst possible pain. The AUC of the NRS-R pain score represents a sum of the patient's pain measured at several time points using the NRS-R, from time of surgery to the specified endpoint. A lower number indicates less cumulative pain. The p-value is a measure of probability that the difference between the placebo group and the EXPAREL group is due to chance (e.g., p = 0.01 means that there is a 1% (0.01 = 1.0%) chance that the difference between the placebo group and EXPAREL group is the result of random chance as opposed to the EXPAREL treatment). A p-value less than or equal to 0.05 (0.05 = 5%) is commonly used as a criterion for statistical significance.

Phase 3 Hemorrhoidectomy Clinical Trial: AUC of NRS-R Pain Intensity Scores from Initial
Infiltration Timepoint, EXPAREL Compared to Placebo

GRAPHIC


Note: Differences between study groups were statistically significant at 72 hours (p<0.0001), the primary endpoint, and all additional time points measured (p<0.0001).

        In referencing our pivotal Phase 3 hemorrhoidectomy clinical trial, the FDA-approved label for EXPAREL noted there was a significant treatment effect for EXPAREL compared to placebo treatment over the first 72 hour period. In addition, the FDA noted that EXPAREL demonstrated a significant reduction in pain intensity compared to placebo for the first 24 hours. While the FDA concluded that between 24 and 72 hours after drug administration there was minimal to no difference

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between EXPAREL and the placebo treatment group on mean pain intensity, there was an attendant decrease in opioid consumption.

        In secondary endpoints, EXPAREL demonstrated efficacy in reducing the use of opioid rescue medication, which was available to both the EXPAREL treatment group and the placebo treatment group. Approximately three times the number of patients in the EXPAREL treatment group avoided opioid rescue medication altogether, and patients in the EXPAREL treatment group showed 45% less opioid usage compared to the placebo treatment group at 72 hours. Opioid-related secondary endpoints included:

        In addition to the reduced usage of opioids compared to patients receiving placebo, secondary endpoints also demonstrated that patients in the EXPAREL treatment group had higher satisfaction scores and more were pain free compared to those in the placebo treatment group.

        We believe that this combination of reduced opioid usage and continuous and extended postsurgical pain management highlights the efficacy of EXPAREL and its ability to be used as a part of a multimodal, opioid-sparing postsurgical pain management strategy.

        Bunionectomy.    Our pivotal Phase 3 bunionectomy clinical trial was a multicenter, randomized, double-blind, placebo-controlled trial conducted in 193 patients at four sites in the United States. The study enrolled patients 18 years of age or older undergoing a bunionectomy. We studied a 120 mg dose of EXPAREL with a primary endpoint of pain control at 24 hours, the critical period for postsurgical pain management in bunionectomy, with opioid rescue medication available to both trial groups. EXPAREL provided a statistically significant reduction in pain, as measured by the AUC of the NRS-R pain scores at 24 hours (p=0.0005). This reduction was also statistically significant at 36 hours.

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        EXPAREL also achieved statistical significance in secondary endpoints related to pain measurement and the use of opioid rescue medication, which was available to both patients in the EXPAREL treatment group and the placebo treatment group, including:

Other Clinical Trials

        In 2009, we completed two Phase 3 clinical trials comprising 221 patients who received EXPAREL, comparing them to patients who received bupivacaine in a multimodal setting where patients received additional concomitant analgesics. One of these Phase 3 clinical trials was for total knee arthroplasty and the other was for hemorrhoidectomy. Although EXPAREL performed as expected and continued to demonstrate its safety and tolerability, due to the unexpectedly positive results in the control arm, these trials did not meet their primary endpoint. The results of these studies influenced some of the inclusion and exclusion criteria and protocol specified measures used in our successful pivotal Phase 3 clinical trials described above.

        Based on the outcome of these two trials, in 2009, we discontinued a Phase 3 clinical trial in breast augmentation early. At the time of discontinuation, we had only enrolled approximately half of the number of patients required to demonstrate statistical significance. EXPAREL demonstrated a positive trend and safety, but did not meet the primary efficacy endpoint. We have collected data on all patients for whom data was available and expect to publish this data in a peer reviewed medical journal.

        We have completed seven Phase 2 clinical trials, five of which were in wound infiltration. A total of 452 patients received various doses of EXPAREL and/or bupivacaine in various surgical settings including hernia repair, total knee arthroplasty, hemorrhoidectomy, and breast augmentation. The data from these Phase 2 clinical trials guided the dose selection for our successful pivotal Phase 3 clinical trials, which formed the basis of our NDA.

        The EXPAREL wound infiltration program encompassed 21 dosing comparisons (a dose of EXPAREL compared to a control) throughout a total of ten clinical trials; nine of these were randomized parallel-group clinical trials, seven of which had a bupivacaine control and two of which had a placebo control. When a program-wide primary endpoint of the area under the curve of the numeric rating scale score for pain at rest from 0 through 72 hours was applied to the 19 doses in the randomized parallel-group clinical trials, 16 favored EXPAREL.

EXPAREL Health Economic Benefits

        In addition to being efficacious and safe, we believe that EXPAREL provides health economic benefits that play an important role in formulary decision making and these health economic benefits are an often over-looked factor in planning for the commercial success of a pharmaceutical product. Several members of our management team have extensive experience applying health economic

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outcomes research to support the launch of successful commercial products. Our strategy is to work directly with our hospital customers, group purchasing organizations, integrated health networks, quality improvement organizations, KOLs in the field of postsurgical pain management and leading influence hospitals and to provide them with retrospective and prospective studies to demonstrate the economic benefits of EXPAREL.

        EXPAREL is designed as a single postsurgical injection intended to replace the current use of clumsy and expensive PCA systems and elastomeric bag systems, reduce the consumption of opioids, and their related side effects, and reduce the length of stay in the hospital, all factors that negatively impact patient outcomes and hospital economics.

        In our Phase 2 hemorrhoidectomy trial which was performed in a multimodal design where patients were randomized to bupivacaine or EXPAREL with all patients receiving ketorolac, acetaminophen and opioid rescue the EXPAREL patients experienced:

        In our Retrospective Health Outcomes programs being conducted by our hospital customer groups utilizing their own data, they have found that the use of opioids for postsurgical pain control is a significant driver of hospital resource consumption including length of stay, or LOS.

        We intend to expand upon the results of this Phase 2 hemorrhoidectomy trial with commercial Phase 3b and Phase 4 retrospective and prospective studies designed to confirm that the administration of EXPAREL in the surgical setting improves patient outcomes while consuming fewer resources. We have conducted several retrospective studies working with our hospital customers, integrated health networks and group purchasing organizations which demonstrate that the use of opioid postsurgical pain control is a significant driver of inappropriate resource utilization, including extending LOS. We have developed and will continue to develop publications, abstracts, clinical pharmacology newsletters and meeting presentations that demonstrate the value of EXPAREL as the foundation for effective multimodal postsurgical pain management. We are currently initiating a series of prospective trials with our hospital customers to demonstrate how the use of EXPAREL, to replace morphine (opioid) PCA, improves the quality of care by reducing morphine adverse events and enhances hospital economics by reducing inappropriate resource consumption including length of stay. In addition, we plan to develop new treatment protocols for postsurgical pain management overall and in specific patient populations who are known to be most problematic with the use of opioids for postsurgical pain control. By providing models which are predictive for patients likely to be resource consumption and length of stay outliers, we can work with our hospital customers to improve patient care and enhance hospital economics.

        Reimbursement for surgical procedures is typically capitated, or fixed by third-party payers based on the specific surgical procedure performed regardless of the cost or amount of treatments provided. However, many patients, including those who are elderly, obese, suffer from sleep apnea or are opioid tolerant, are likely to have a high incidence of opioid-related adverse events, increasing the length of stay and the cost relative to the capitated reimbursement. Furthermore, the use of EXPAREL to reduce opioid consumption may also present the opportunity to move selected hospital procedures to the ambulatory setting.

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EXPAREL Regulatory Plan

        The NDA for EXPAREL was approved on October 28, 2011, using a 505(b)(2) application. The initial FDA approval of EXPAREL is for single-dose infiltration into the surgical site to produce postsurgical analgesia.

        EXPAREL consists of bupivacaine encapsulated in DepoFoam, both of which are used in FDA-approved products:

        The FDA, as a condition of the EXPAREL approval, has required us to study EXPAREL in pediatric patients. We have agreed to a trial timeline where, over several years, we will study pediatric patient populations in descending order starting with 12 - 18 year olds and ending with children under two years of age.

Additional Indications

        We are pursuing several additional indications for EXPAREL and expect to submit a supplemental NDA, or sNDA, for nerve block and epidural administration. We believe that these additional indications for EXPAREL present a low-risk, low-cost opportunity for clinical development and will allow us to fully leverage our manufacturing and commercial infrastructure.

        Nerve Block.    Nerve block is a general term used to refer to the injection of local anesthetic onto or near nerves for control of pain. Nerve blocks can be single injections but have limited duration of action. When extended pain management is required, a catheter is used to deliver bupivacaine continuously using an external pump. According to Thomson Data over eight million nerve block procedures were conducted in the United States in 2008, with over four million of these procedures utilizing bupivacaine. EXPAREL is designed to provide extended pain management with a single injection utilizing a narrow gauge needle.

        We have completed two Phase 2 clinical trials in which 40 patients received EXPAREL for nerve block. EXPAREL demonstrated efficacy and was safe and well tolerated in these clinical trials. We expect to conduct additional clinical trials in this indication.

        Epidural Administration.    An epidural is a form of regional anesthesia involving injection of anesthetic drugs into the outermost part of the spinal canal, or the epidural space. Epidurals can be single injections but have limited duration of action. When extended pain management is required, a catheter is placed into the epidural space and the anesthetic drug is delivered continuously using an external pump. According to IMS and Thomson Data, over six million epidural procedures were conducted in the United States in 2007, with over 590,000 of these procedures utilizing local anesthetics, including bupivacaine. EXPAREL is designed to provide extended pain management with a single injection utilizing a narrow gauge needle.

        We have completed one Phase 1 clinical trial in which 24 subjects received EXPAREL by epidural administration that demonstrated proof of concept for this indication. EXPAREL was safe and well tolerated in this clinical trial. We expect to conduct additional clinical trials in this indication.

Sales and Marketing

        We have hired a marketing team and, through our relationship with Quintiles, are building our sales organization to commercialize EXPAREL and our product candidates in the United States. We intend to out-license commercialization rights for other territories. Our goal is to retain significant control over the development process and commercial execution for our product candidates, while participating in a meaningful way in the economics of all products that we bring to the market.

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        The members of our management team who are leading the commercialization of EXPAREL have successfully launched multiple products in the hospital market, including Rocephin, Versed, Zantac IV and Angiomax. We have developed our commercialization strategy with the input of KOLs in the field of postsurgical pain management as well as healthcare practitioner and quality improvement organizations.

        Our commercial team has executed on a full range of prelaunch activities for EXPAREL, including:

        We believe that all of these programs and personal interactions with our hospital customers will position Pacira and EXPAREL for a successful launch in the first quarter of 2012. We expect to have three key focuses for our launch strategy:

        We are, through our relationship with Quintiles, outsourcing our national sales director and seven regional sales directors who will are building our dedicated field sales force, consisting of approximately 60 representatives at the time of the commercial launch. With 70 dedicated directors and representatives we cover approximately 83% of the markets of interest for the launch of EXPAREL. Within three years of launch we expect to have approximately 80 representatives, which we estimate can effectively cover our hospital and ambulatory surgery customers in the United States. We believe a typical sales representative focused on office-based healthcare practitioners can effectively reach five to seven healthcare practitioners per day; whereas, a typical hospital-focused sales representative can reach many more healthcare practitioners. Notably, a hospital-focused sales representative faces significantly less travel time between sales calls and less wait time in healthcare practitioner offices as a

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large number of prescribers can be found in a single location. Our sales force will be supported by our current marketing team as well as teams of healthcare professionals who will support our formulary approval and customer education initiatives.

        The target audience for EXPAREL is healthcare practitioners who influence pain management decisions, including surgeons, anesthesiologists, pharmacists and nurses. Our commercial sales force will focus on reaching the top 1,000 U.S. hospitals performing surgical procedures (based on Thomson Reuters benchmark obstetrician and gynecological, general and orthopedic surgical procedures performed within these hospitals), which represent approximately 81% of the hospital market opportunity for EXPAREL. If we obtain regulatory approvals for additional indications for EXPAREL and our product candidates, our targeted audience may change to reflect new market opportunities.

DepoFoam—Our Proprietary Drug Delivery Technology

        Our current product development activities utilize our proprietary DepoFoam drug delivery technology. DepoFoam consists of microscopic spherical particles composed of a honeycomb-like structure of numerous internal aqueous chambers containing an active drug ingredient. Each chamber is separated from adjacent chambers by lipid membranes. Following injection, the DepoFoam particles release drug over an extended period of time by erosion and/or reorganization of the particles' lipid membranes. Release rates are determined by the choice and relative amounts of lipids in the formulation.

        Our DepoFoam formulation provides several technical, regulatory and commercial advantages over competitive technologies, including:

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Other Products

        DepoCyt(e) is a sustained-release liposomal formulation of the chemotherapeutic agent cytarabine utilizing our DepoFoam technology. Depocyt(e) is indicated for the intrathecal treatment of lymphomatous meningitis, a life-threatening complication of lymphoma, a cancer of the immune system. Lymphomatous meningitis can be controlled with conventional cytarabine, but because of the drug's short half-life, a spinal injection is required twice per week, whereas DepoCyt(e) is dosed once every two weeks in an outpatient setting. DepoCyt(e) was granted accelerated approval by the FDA in 1999 and full approval in 2007. We received revenue from DepoCyt(e) of $10.3 million from our commercial partners in 2010.

        DepoDur is an extended release injectable formulation of morphine utilizing our DepoFoam technology. DepoDur is indicated for epidural administration for the treatment of pain following major surgery. DepoDur is designed to provide effective pain relief of up to 48 hours and has demonstrated improved patient mobility and freedom from indwelling catheters. DepoDur was approved by the FDA in 2004. We received revenue from DepoDur of $1.1 million from our commercial partners in 2010.

Product Candidates

        Our preclinical product candidates, extended release formulations of NSAIDs, are designed to provide the benefits of injectable NSAIDs with a prolonged duration of action in order to improve patient care and ease of use in the acute pain environment. Currently available injectable systemic products provide a four to six hour duration of action. We believe that there is an unmet medical need for a product which could provide a local infiltration since the mode of action for NSAIDs is by local activity. A product developed for local infiltration should provide pain relief with a much lower dose of NSAID and potentially avoid the side effects commonly associated with the systemic use of these agents. We have DepoFoam formulations for several NSAIDs, and we expect to select a lead product candidate in 2011.

        Our preclinical product candidate, an extended release formulation of methotrexate, is designed to improve the market utility of methotrexate, the most commonly used disease modifying anti-rheumatic drug currently being prescribed for over 500,000 patients globally. While methotrexate is the established standard of care for first line therapy in rheumatoid arthritis, this agent is commonly associated with nausea, vomiting and drowsiness due to high peak blood levels immediately following traditional administration. Our product candidate is designed to address the medical need for a patient friendly and cost effective formulation which can be utilized to improve patient compliance and the ability to tolerate methotrexate therapy. We believe DepoMethotrexate will also allow healthcare providers to treat these patients more aggressively, improve efficacy outcomes and avoid the progression to more expensive alternatives such as biologic therapies. We currently have one year of stability data for our desired product formulation.

Commercial Partners and Agreements

        In connection with the stock purchase agreement related to the Acquisition, we agreed to pay SkyePharma Holdings, Inc., or SPHI, a specified contingent milestone payment related to EXPAREL

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sales. Additionally, we agreed to pay to SPHI a 3% royalty of our sales of EXPAREL in the United States, Japan, the United Kingdom, France, Germany, Italy and Spain. Such obligations to make contingent milestone payments and royalties will continue for the term in which such sales related to EXPAREL are covered by a valid claim in certain patent rights related to EXPAREL and other biologics products.

        We have the right to cease paying royalties in the event that SPHI breaches certain covenants not to compete contained in the stock purchase agreement. In the event that we cease to sell EXPAREL and begin marketing a similar replacement product for EXPAREL, we would no longer be obligated to make royalty payments, but we may be required to make certain milestone payments upon reaching certain sales milestones.

        Pursuant to an agreement with one of our stockholders, the Research Development Foundation, or RDF, we are required to pay RDF a low single-digit royalty on our gross revenues, as defined in our agreement with RDF, from our DepoFoam-based products, for as long as certain patents assigned to us under the agreement remain valid. RDF has the right to terminate the agreement for an uncured material breach by us, in connection with our bankruptcy or insolvency or if we directly or indirectly oppose or dispute the validity of the assigned patent rights.

        In December 2002, we entered into a supply and distribution agreement with Enzon Pharmaceuticals Inc. regarding the sale of DepoCyt. Pursuant to the agreement, Enzon was appointed the exclusive distributor of DepoCyt in the United States and Canada for a ten year term. In January 2010, Sigma-Tau Pharmaceuticals, Inc., or Sigma-Tau, acquired the rights to sell DepoCyt from Enzon Pharmaceuticals for the United States and Canada. Under the supply and distribution agreement, we supply unlabeled DepoCyt vials to Sigma-Tau for finished packaging. Under these agreements, we receive a fixed payment for manufacturing the vials of DepoCyt and a royalty in the thirties on sales by Sigma-Tau in the United States and Canada.

        We and Sigma-Tau have the right to terminate the agreement for an uncured material breach by the other party or in the event that a generic pharmaceutical product that is therapeutically equivalent to DepoCyt is commercialized. We may terminate the agreement if certain minimum sales targets are not met by Sigma-Tau. Sigma-Tau may terminate the agreement if, as a result of a settlement or a final court or regulatory action, the manufacture, use or sale of DepoCyt in the United States is prohibited.

        In June 2003, we entered into an agreement granting Mundipharma International Holdings Limited, or Mundipharma, exclusive marketing and distribution rights to DepoCyte in the European Union and certain other European countries. This agreement continues in force for 15 years, and after that term expires, continues year to year unless terminated by us or by Mundipharma upon no less than 12 months written notice.

        Under the agreement, as amended, and a separate supply agreement, we receive a fixed payment for manufacturing the vials of DepoCyte, as well as a royalty comprised of a fixed sum per vial supplied to Mundipharma, an additional sum payable if Mundipharma's quarterly net sales exceed a certain amount, and a mid single-digit royalty on all sales exceeding a certain amount. We are also entitled to receive up to €10 million in milestone payments from Mundipharma upon the achievement by Mundipharma of certain milestone events, of which we have already received €2.5 million and we do not expect to receive the remaining €7.5 million.

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        We and Mundipharma have the right to terminate the agreement for an uncured material breach by the other party, in connection with the other party's bankruptcy or insolvency or the repossession of all or any material part of the other party's business or assets. Mundipharma has the right to terminate the agreement if its marketing authorization is cancelled or withdrawn for a certain period, or if it is prevented from selling DepoCyte in any three countries in the territory covered in the agreement by a final non-appealable judgment in respect of infringement by DepoCyte of any third party intellectual property rights.

        In August 2007, we entered into a licensing, distribution and marketing agreement with EKR Therapeutics, Inc., or EKR, granting them exclusive distribution rights to DepoDur in North America, South America and Central America. Under this agreement, as amended, we received nonrefundable license fees of $5.0 million upon execution of the agreement in August 2007, $5.0 million in 2008, and $5.0 million in 2009. At the time we entered into the agreement we had the right to receive aggregate milestone payments of up to $20 million, but we do not expect any additional milestone payments under the agreement. This agreement continues in force for the longer of 15 years from the first commercial sale of DepoDur in the territory covered by the agreement or until the expiration of the last valid claim in our patents covering DepoDur in such territory. After that term, the agreement continues for consecutive periods of two years, unless terminated earlier by EKR.

        Under this agreement, as amended, we receive a fixed payment for manufacturing the vials of DepoDur and a royalty comprised of a fixed amount per vial, a single-digit royalty on any incremental price increase implemented by EKR over the base price specified in the agreement and a fixed advanced royalty payment that was made within three days of the agreement date, which is offset against EKR's future payment obligations.

        We and EKR have the right to terminate the agreement for an uncured material breach by the other party, an uncured material misrepresentation in any representation or warranty made in the agreement, in connection with the other party's bankruptcy or insolvency, in connection with the threat of or actual cessation of all or any material part of the other party's business, if the other Party is prevented from performing any of its material obligations by any law, governmental or other action for a period of 120 days, or if force majeure prevents other party from performing any of its material obligations for six months. We have the right to terminate the agreement if EKR fails to make its first commercial sale of DepoDur within a fixed period from the receipt of marketing authorization for any country in the territory covered by the agreement, or if we terminate the supply agreement upon written notice to EKR and all royalties paid by EKR to us in any one year period following the date of such termination are less than a certain amount, unless the difference between that amount and the actual royalties paid by EKR is paid to us within 30 days of notice of such termination. EKR has the right to terminate the agreement at any time without cause upon written notice to us within a specified timeframe. EKR has the right to terminate the agreement as to any country if DepoDur is withdrawn from the market in such country as a result of regulatory action by FDA or other governmental entities or there are significant adverse reactions from use of DepoDur.

        In September 2007, we entered into a marketing agreement with Flynn Pharma Limited, or Flynn, granting them exclusive distribution rights to DepoDur in the European Union, certain other European countries, South Africa and the Middle East. This agreement continues in force for the longer of five years from first commercial sale of DepoDur in the territory covered by the agreement or until the expiration of the last valid claim in our patents covering DepoDur for a maximum term of 15 years from the date of first commercial sale in such territory.

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        Under this agreement and a separate supply agreement with Flynn, we provide DepoDur manufacturing supply of finished product for sale in the territories licensed by Flynn, and we receive a fixed payment for manufacturing the vials and if net sales of DepoDur in the territory covered by the agreement exceed a certain amount, an additional payment. We are also entitled to receive milestone payments from Flynn upon the achievement by Flynn of certain milestone events.

        We and Flynn have the right to terminate the agreement for an uncured material breach by the other party, in connection with the other party's bankruptcy or insolvency or the repossession of all or any material part of the other party's business or assets, or if force majeure prevents other party from performing any of its material obligations for 180 days. We have the right to terminate the agreement if Flynn fails to make its first commercial sale of DepoDur in specified countries covered by the agreement by one year from the later of Flynn's receipt of marketing authorization or pricing approval for DepoDur, or if first commercial sale has not been made within 18 months of Flynn's receipt of marketing authorization or pricing approval for DepoDur.

        In January 2011, we entered into an agreement with Novo Nordisk A/S, or Novo, pursuant to which we granted non-exclusive rights to Novo under certain of our patents and know-how to develop, manufacture and commercialize formulations of a Novo proprietary drug using our DepoFoam drug delivery technology. Under this agreement, we agreed to undertake specified development and technology transfer activities and to manufacture pre-clinical and certain clinical supplies of such DepoFoam formulated Novo product until the completion of such technology transfer activities. Novo is obligated to pay for all costs incurred by us in conducting such development, manufacturing and technology transfer activities. We received a one-time upfront payment of $1.5 million from Novo. We are also entitled to receive single-digit royalties on sales of such Novo product for up to twelve years following the first commercial sale of such Novo product. In addition, we are entitled to receive up to $24 million in milestone payments based on achievement of specified development events, and up to an additional $20 million in milestone payments based on sales of such Novo product exceeding specified amounts. Each party has the right to terminate the agreement for an uncured material breach by the other party or in connection with the other party's bankruptcy or similar event. In addition, Novo has the right to terminate the agreement for convenience at any time upon sixty (60) days notice prior to commercialization of such Novo product and upon ninety (90) days notice thereafter, subject to Novo's payment of a specified termination fee if, after initiation of the technology transfer but prior to commercialization, Novo terminates the agreement other than for certain specified reasons. We also have the right to terminate the agreement if (1) Novo decides to discontinue or terminate the development or commercialization of such Novo product, (2) such Novo product no longer has regulatory approval in any market, or (3) Novo or any of its affiliates or sublicensees of such Novo product challenges the validity or enforceability of any of the licensed patents.

        On March 23, 2007, we entered into an amended and restated royalty interests assignment agreement with Paul Capital, pursuant to which we assigned to Paul Capital the right to receive a portion of our royalty payments from DepoCyt(e) and DepoDur. The original agreement was entered into prior to the Acquisition by the Predecessor in order to monetize certain royalty payments from DepoCyt(e) and DepoDur. In connection with the Acquisition, the original agreement with Paul Capital was amended and restated and the responsibility to pay the royalty interest in product sales of DepoCyt(e) and DepoDur was transferred to us and we were required to make payments to Paul Capital upon the occurrence of certain events. For additional information, see "Management's Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources—Royalty Interests Assignment Agreement" and "Risk Factors—Risks Related to Our

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Financial Condition and Capital Requirements—Under our financing arrangement with Paul Capital, upon the occurrence of certain events, Paul Capital may require us to repurchase the right to receive royalty payments that we assigned to it, or may foreclose on certain assets that secure our obligations to Paul Capital. Any exercise by Paul Capital of its right to cause us to repurchase the assigned right or any foreclosure by Paul Capital would adversely affect our results of operations and our financial condition."

        In the ordinary course of our business activities, we enter into feasibility agreements with third parties who desire access to our proprietary DepoFoam technology to conduct research, feasibility and formulation work. Under these agreements, we are compensated to perform feasibility testing on a third-party product to determine the likelihood of developing a successful formulation of that product using our proprietary DepoFoam technology. If successful in the feasibility stage, these programs can advance to a full development contract. Currently, we are actively engaged in two feasibility assessments for third parties.

Manufacturing

        We manufacture DepoCyt(e) and DepoDur for our various commercial partners. We also manufacture all of our clinical and commercial supplies of EXPAREL. We manufacture our products in two manufacturing facilities. These facilities are designated as Building 1 and Building 6 and are located within two miles of each other on two separate and distinct sites in San Diego, California. Both of our facilities are inspected regularly and approved for pharmaceutical manufacturing by the FDA, the European Medicines Agency, or the EMA, the Medicines and Healthcare Products Regulatory Agency, or the MHRA, the Drug Enforcement Administration, or the DEA, and the Environmental Protection Agency, or the EPA.

        We provide DepoCyt(e) and DepoDur to our commercial partners on a set cost basis as established by each specific licensing contract. All manufacturing of products, initial product release and stability testing are conducted by us in accordance with cGMP.

        Building 1 is an approximately 80,000 square foot concrete structure located on a five acre site. It was custom built as a pharmaceutical R&D and manufacturing facility in August 1995. Activities in this facility include the manufacture of EXPAREL bulk pharmaceutical product candidate in a dedicated production line and its fill/finish into vials, the manufacture of the DepoDur bulk commercial pharmaceutical product, microbiological and quality control testing, product storage, development of analytical methods, research and development, the coordination of clinical and regulatory functions, and general administrative functions. We are renovating the dedicated EXPAREL production line to expand its capacity. This production line is designed to meet forecasted market demands after initial launch of EXPAREL. We have current plans to further expand our manufacturing capacity to meet future demand.

        Building 6 is located in a 17-acre pharmaceutical industrial park. It is a two story concrete masonry structure built in 1977 that we and our predecessors have leased since August 1993. We occupy approximately 22,000 square feet of the first floor. Building 6 houses the current manufacturing process for DepoCyt(e), the fill/finish of DepoCyt(e) and DepoDur into vials, a pilot plant suite for new product development and early stage clinical product production, a microbiology laboratory and miscellaneous support and maintenance areas.

        Distribution of our DepoFoam products, including EXPAREL, requires cold-chain distribution, whereby a product must be maintained between specified temperatures. We have validated processes for continuous monitoring of temperature from manufacturing through delivery to the end-user. We and our partners have utilized similar cold-chain processes for DepoCyt(e) and DepoDur.

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Intellectual Property and Exclusivity

        We seek to protect our product candidates and our technology through a combination of patents, trade secrets, proprietary know-how, regulatory exclusivity and contractual restrictions on disclosure.

        We seek to protect the proprietary position of our product candidates by, among other methods, filing U.S. and foreign patent applications related to our proprietary technology, inventions and improvements that are important to the development of our business. As of September 30, 2011, there are over 15 families of patents and patent applications relating to various aspects of the DepoFoam delivery technology. Patents have been issued in numerous countries, with an emphasis on the North American, European and Japanese markets. These patents generally have a term of 20 years from the date of the nonprovisional filing unless referring to an earlier filed application. Some of our U.S. patents have a term from 17 years from the grant date. Our issued patents expire at various dates in the future, with the last currently issued patent expiring in 2019. All of these patent families are assigned solely to us, with the exception of one family relating to DepoFoam formulations of insulin-like growth factor I, which is jointly assigned to us and Novartis Vaccines and Diagnostics, Inc. (formerly Chiron Corporation). In addition, two patents have been filed within the last year relating to either DepoFoam-based products or processes for making DepoFoam.

        In regard to patents providing protection for EXPAREL, issued patents in the United States relating to the composition of the product candidate and methods for modifying the rate of drug release of the product candidate expire in November 2013 and January 2017, respectively. Pending U.S. applications relating to the composition of the product candidate and the process for making the product candidate, if granted, would expire in September 2018 and November 2018, respectively. In Europe, granted patents related to the composition of the product candidate expire in November 2014 and September 2018. Pending applications in Europe relating to methods of modifying the rate of drug release of the product candidate and the process for making the product candidate, if granted, would expire in January 2018 and November 2018, respectively. In April 2010, a provisional patent was filed relating to a new process to manufacture EXPAREL and other DepoFoam-based products. The process offers many advantages to the current process, including larger scale production and lower manufacturing costs. In April 2011, we filed a non-provisional patent application which, if granted, could prevent others from using this process until 2031. Furthermore, a non-exclusively licensed patent of ours relating to EXPAREL was allowed in Europe with an expiration date in October 2021 and was extended in the United States until October 2023.

        Trade secrets play an important role in protecting DepoFoam-based products and provide protection beyond patents and regulatory exclusivity. The scale-up and commercial manufacture of DepoFoam products involves processes, custom equipment, and in-process and release analytical techniques that we believe are unique to us. The expertise and knowledge required to understand the critical aspects of DepoFoam manufacturing steps requires knowledge of both traditional and non-traditional emulsion processing and traditional pharmaceutical production, overlaid with all of the challenges presented by aseptic manufacturing. We seek to protect our proprietary information, including our trade secrets and proprietary know-how, by requiring our employees, consultants and other advisors to execute proprietary information and confidentiality agreements upon the commencement of their employment or engagement. These agreements generally provide that all confidential information developed or made known during the course of the relationship with us be kept confidential and not be disclosed to third parties except in specific circumstances. In the case of our employees, the agreements also typically provide that all inventions resulting from work performed for us, utilizing our property or relating to our business and conceived or completed during

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employment shall be our exclusive property to the extent permitted by law. Where appropriate, agreements we obtain with our consultants also typically contain similar assignment of invention obligations. Further, we require confidentiality agreements from entities that receive our confidential data or materials.

Competition

        The pharmaceutical and biotechnology industries are intensely competitive and subject to rapid and significant technological change. Our competitors include organizations such as major multinational pharmaceutical companies, established biotechnology companies, specialty pharmaceutical companies and generic drug companies. Many of our competitors have greater financial and other resources than we have, such as more commercial resources, larger research and development staffs and more extensive marketing and manufacturing organizations. As a result, these companies may obtain marketing approval more rapidly than we are able and may be more effective in selling and marketing their products. Smaller or early stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large, established companies.

        Our competitors may succeed in developing, acquiring or licensing on an exclusive basis technologies and drug products that are more effective or less costly than EXPAREL or any other products that we are currently selling through partners or developing or that we may develop, which could render our products obsolete and noncompetitive. We expect any products that we develop and commercialize to compete on the basis of, among other things, efficacy, safety, convenience of administration and delivery, price and the availability of reimbursement from government and other third-party payers. We also expect to face competition in our efforts to identify appropriate collaborators or partners to help commercialize our product candidates in our target commercial markets.

        EXPAREL is competing with elastomeric bag/catheter devices intended to provide bupivacaine over several days. I-FLOW Corporation (acquired by Kimberly-Clark Corporation in 2009) has marketed these medical devices in the United States since 2004. In addition, we anticipate EXPAREL will compete with currently marketed bupivacaine and opioid analgesics such as morphine. We also expect to compete with an extended release bupivacaine product in development by Durect Corporation which has been licensed to Hospira in North America (Posidur) and to Nycomed for Europe (Optesia).

Government Regulation

        Prescription drug products are subject to extensive pre- and post-market regulation by the FDA, including regulations that govern the testing, manufacturing, distribution, safety, efficacy, approval, labeling, storage, record keeping, reporting, advertising and promotion of such products under the FDCA, and its implementing regulations, and by comparable agencies and laws in foreign countries. Failure to comply with applicable FDA or other regulatory requirements may result in, among other things, warning letters, clinical holds, civil or criminal penalties, recall or seizure of products, injunction, debarment, partial or total suspension of production or withdrawal of the product from the market. The FDA must approve any new drug, including a new dosage form or new use of a previously approved drug, prior to marketing in the United States. All applications for FDA approval must contain, among other things, information relating to safety and efficacy, pharmaceutical formulation, stability, manufacturing, processing, packaging, labeling and quality control.

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        Generally, the FDA must approve any new drug before marketing of the drug occurs in the United States. This process generally involves:

        The preclinical and clinical testing and approval process requires substantial time, effort and financial resources, and we cannot be certain that the FDA will grant approvals for any of our product candidates on a timely basis, if at all. Preclinical tests include laboratory evaluation of product chemistry, formulation and stability, as well as studies to evaluate toxicity in animals. The results of preclinical tests, together with manufacturing information, analytical data and a proposed clinical trial protocol and other information, are submitted as part of an IND application to the FDA. The IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA, within the 30-day time period, places the trial on a clinical hold because of, among other things, concerns about the conduct of the clinical trial or about exposure of human research subjects to unreasonable health risks. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before the clinical trial can begin. Our submission of an IND may not result in FDA authorization to commence a clinical trial. In addition, the FDA requires sponsors to amend an existing IND for each successive clinical trial conducted during product development. Further, an independent institutional review board, or IRB, covering each medical center proposing to conduct the clinical trial must review and approve the plan for any clinical trial and informed consent information for subjects before the clinical trial commences at that center, and it must monitor the clinical trial until completed. The FDA, the IRB or the sponsor may suspend a clinical trial at any time, or from time to time, on various grounds, including a finding that the subjects or patients are being exposed to an unacceptable health risk.

        Clinical trials involve the administration of the investigational new drug to human subjects under the supervision of qualified investigators in accordance with GCP requirements, which include the requirement that all research subjects provide their informed consent for their participation in any clinical trial. For purposes of an NDA submission and approval, typically, the conduct of human clinical trials occurs in the following three pre-market sequential phases, which may overlap:

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        In addition, sponsors may elect to conduct, or be required by the FDA to conduct, Phase 4 clinical trials to further assess the drug's safety or effectiveness after NDA approval. Such post approval trials are typically referred to as Phase 4 clinical trials.

        Sponsors submit the results of product development, preclinical studies and clinical trials to the FDA as part of an NDA. NDAs must also contain extensive information relating to the product's pharmacology, chemistry, manufacture, controls and proposed labeling, among other things. In addition, 505(b)(2) applications must contain a patent certification for each patent listed in FDA's "Orange Book" that covers the drug referenced in the application and upon which the third-party studies were conducted. For some drugs, the FDA may require risk evaluation and mitigation strategies, or REMS, which could include medication guides, physician communication plans, or restrictions on distribution and use, such as limitations on who may prescribe the drug or where it may be dispensed or administered. Upon receipt, the FDA has 60 days to determine whether the NDA is sufficiently complete to initiate a substantive review. If the FDA identifies deficiencies that would preclude substantive review, the FDA will refuse to accept the NDA and will inform the sponsor of the deficiencies that must be corrected prior to resubmission. If the FDA accepts the submission for substantive review, the FDA typically reviews the NDA in accordance with established timeframes. Under PDUFA, the FDA agrees to specific goals for NDA review time through a two-tiered classification system, Priority Review and Standard Review. A Priority Review designation is given to drugs that offer major advances in treatment, or provide a treatment where no adequate therapy exists. For a Priority Review application, the FDA aims to complete the initial review cycle in six months. Standard Review applies to all applications that are not eligible for Priority Review. The FDA aims to complete Standard Review NDAs within a ten-month timeframe. Review processes often extend significantly beyond anticipated completion dates due to FDA requests for additional information or clarification, difficulties scheduling an advisory committee meeting, negotiations regarding REMS, or FDA workload issues. The FDA may refer the application to an advisory committee for review, evaluation and recommendation as to the application's approval. The recommendations of an advisory committee do not bind the FDA, but the FDA generally follows such recommendations.

        Under PDUFA, NDA applicants must pay significant NDA user fees upon submission. In addition, manufacturers of approved prescription drug products must pay annual establishment and product user fees.

        Before approving an NDA, the FDA may inspect the facility or facilities where the product is manufactured. The FDA will not approve an application unless it determines that the manufacturing processes and facilities are in compliance with cGMP requirements and are adequate to ensure consistent production of the product within required specifications. Additionally, the FDA will typically inspect one or more clinical sites to ensure compliance with GCP before approving an NDA.

        After the FDA evaluates the NDA and the manufacturing facilities, it may issue an approval letter or a Complete Response Letter, or CRL, to indicate that the review cycle for an application is complete and that the application is not ready for approval. CRLs generally outline the deficiencies in

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the submission and may require substantial additional testing or information in order for the FDA to reconsider the application. Even if such additional information is submitted, the FDA may ultimately decide that the NDA does not satisfy the criteria for approval. Data from clinical trials are not always conclusive and the FDA may interpret data differently than we do. The FDA could also require a REMS plan to mitigate risks, which could include medication guides, physician communication plans, or elements to assure safe use, such as restricted distribution methods, patient registries and other risk minimization tools. The FDA also may condition approval on, among other things, changes to proposed labeling, a commitment to conduct one or more post-market studies or clinical trials and the correction of identified manufacturing deficiencies, including the development of adequate controls and specifications. If and when the deficiencies have been addressed to the FDA's satisfaction, the FDA will typically issue an approval letter. An approval letter authorizes commercial marketing of the drug with specific prescribing information for specific indications.

        As an alternate path to FDA approval, particularly for modifications to drug products previously approved by the FDA, an applicant may submit an NDA under Section 505(b)(2) of the FDCA. Section 505(b)(2) was enacted as part of the Drug Price Competition and Patent Term Restoration Act of 1984, also known as the Hatch-Waxman Act, and permits the submission of an NDA where at least some of the information required for approval comes from clinical trials not conducted by or for the applicant and for which the applicant has not obtained a right of reference. The FDA interprets Section 505(b)(2) of the FDCA to permit the applicant to rely upon the FDA's previous findings of safety and effectiveness for an approved product. The FDA may also require companies to perform additional clinical trials or measurements to support any change from the previously approved product. The FDA may then approve the new product candidate for all or some of the label indications for which the referenced product has been approved, as well as for any new indication sought by the Section 505(b)(2) applicant.

        Section 505(b)(2) applications are subject to any non-patent exclusivity period applicable to the referenced product, which may delay approval of the 505(b)(2) application even if FDA has completed its substantive review and determined the drug should be approved. In addition, 505(b)(2) applications must include patent certifications to any patents listed in the Orange Book as covering the referenced product. If the 505(b)(2) applicant seeks to obtain approval before the expiration of an applicable listed patent, the 505(b)(2) applicant must provide notice to the patent owner and NDA holder of the referenced product. If the patent owner or NDA holder bring a patent infringement lawsuit within 45 days of such notice, the 505(b)(2) application cannot be approved for 30 months or until the 505(b)(2) applicant prevails, whichever is sooner. If the 505(b)(2) applicant loses the patent infringement suit, FDA may not approve the 505(b)(2) application until the patent expires, plus any period of pediatric exclusivity.

        In the NDA submissions for our product candidates, we intend to follow the development and approval pathway permitted under the FDCA that we believe will maximize the commercial opportunities for these product candidates.

        After approval, the NDA sponsor must comply with comprehensive requirements governing, among other things, drug listing, recordkeeping, manufacturing, marketing activities, product sampling and distribution, annual reporting and adverse event reporting. There are also extensive U.S. Drug Enforcement Agency, or DEA, regulations applicable to marketed controlled substances.

        If new safety issues are identified following approval, the FDA can require the NDA sponsor to revise the approved labeling to reflect the new safety information; conduct post-market studies or

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clinical trials to assess the new safety information; and implement a REMS program to mitigate newly-identified risks. The FDA may also require post-approval testing, including Phase 4 studies, and surveillance programs to monitor the effect of approved products which have been commercialized, and the FDA has the authority to prevent or limit further marketing of a product based on the results of these post-marketing programs. Drugs may be marketed only for approved indications and in accordance with the provisions of the approved label. Further, if we modify a drug, including any changes in indications, labeling or manufacturing processes or facilities, the FDA may require us to submit and obtain FDA approval of a new or supplemental NDA, which may require us to develop additional data or conduct additional preclinical studies and clinical trials.

        In addition, drug manufacturers and other entities involved in the manufacture and distribution of approved drugs are required to register their establishments with the FDA and state agencies, and are subject to periodic unannounced inspections by the FDA and these state agencies for compliance with cGMP requirements. Changes to the manufacturing process are strictly regulated and often require prior FDA approval before being implemented. FDA regulations also require investigation and correction of any deviations from cGMP and impose reporting and documentation requirements upon us and any third-party manufacturers that we may decide to use.

        If after approval the FDA determines that the product does not meet applicable regulatory requirements or poses unacceptable safety risks, the FDA may take other regulatory actions, including initiating suspension or withdrawal of the NDA approval. Later discovery of previously unknown problems with a product, including adverse events of unanticipated severity or frequency, or with manufacturing processes, or failure to comply with regulatory requirements, may result in, among other things:

        The FDA strictly regulates marketing, labeling, advertising and promotion of products that are placed on the market. These regulations include standards and restrictions for direct-to-consumer advertising, industry-sponsored scientific and educational activities, promotional activities involving the internet, and off-label promotion. While physicians may prescribe for off label uses, manufacturers may only promote for the approved indications and in accordance with the provisions of the approved label. The FDA has very broad enforcement authority under the FDCA, and failure to abide by these regulations can result in penalties, including the issuance of a warning letter directing entities to correct deviations from FDA standards, a requirement that future advertising and promotional materials be pre-cleared by the FDA, and state and federal civil and criminal investigations and prosecutions.

        In addition, the distribution of prescription pharmaceutical products is subject to the Prescription Drug Marketing Act, or PDMA, which regulates the distribution of drugs and drug samples at the federal level, and sets minimum standards for the registration and regulation of drug distributors by the states. Both the PDMA and state laws limit the distribution of prescription pharmaceutical product samples and impose requirements to ensure accountability in distribution, including a drug pedigree which tracks the distribution of prescription drugs.

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        One of our marketed products, DepoDur, is regulated as a "controlled substance" as defined in the Controlled Substances Act of 1970, or CSA, which establishes registration, security, recordkeeping, reporting, storage, distribution and other requirements administered by the DEA. The DEA is concerned with the control of handlers of controlled substances, and with the equipment and raw materials used in their manufacture and packaging, in order to prevent loss and diversion into illicit channels of commerce.

        The DEA regulates controlled substances as Schedule I, II, III, IV or V substances. Schedule I substances by definition have no established medicinal use, and may not be marketed or sold in the United States. A pharmaceutical product may be listed as Schedule II, III, IV or V, with Schedule II substances considered to present the highest risk of abuse and Schedule V substances the lowest relative risk of abuse among such substances. DepoDur, a sustained-release injectable morphine sulfate, is listed as a Schedule II controlled substance under the CSA. Consequently, its manufacture, shipment, storage, sale and use is subject to a high degree of regulation. For example, generally, all Schedule II drug prescriptions must be signed by a physician, physically presented to a pharmacist and may not be refilled without a new prescription.

        Annual registration is required for any facility that manufactures, tests, distributes, dispenses, imports or exports any controlled substance. Except for certain defined co-incident activities, each registration is specific to the particular location, activity and controlled substance schedule. For example, separate registrations are needed for import and manufacturing, and each registration must specify which schedules of controlled substances are authorized.

        The DEA typically inspects a facility to review its security measures prior to issuing a registration and, thereafter, on a periodic basis. Security requirements vary by controlled substance schedule, with the most stringent requirements applying to Schedule I and Schedule II substances. Required security measures include background checks on employees and physical control of inventory through measures such as vaults, cages, surveillance cameras and inventory reconciliations. Records must be maintained for the handling of all controlled substances, and periodic reports made to the DEA, for example distribution reports for Schedule I and II controlled substances, Schedule III substances that are narcotics, and other designated substances. Reports must also be made for thefts or significant losses of any controlled substance, and to obtain authorization to destroy any controlled substance. In addition, special authorization, notification and permit requirements apply to imports and exports.

        In addition, a DEA quota system controls and limits the availability and production of controlled substances in Schedule I or II. Distributions of any Schedule I or II controlled substance must also be accomplished using special order forms, with copies provided to the DEA. Because DepoDur, a sustained-release injectable morphine sulfate, is regulated as a Schedule II controlled substance, it is subject to the DEA's production and procurement quota scheme. The DEA establishes annually an aggregate quota for how much morphine may be produced in total in the United States based on the DEA's estimate of the quantity needed to meet legitimate scientific and medicinal needs. This limited aggregate amount of morphine that the DEA allows to be produced in the United States each year is allocated among individual companies, who must submit applications annually to the DEA for individual production and procurement quotas. We must receive an annual quota from the DEA in order to produce or procure any Schedule I or Schedule II substance, including morphine sulfate for use in manufacturing DepoDur. The DEA may adjust aggregate production quotas and individual production and procurement quotas from time to time during the year, although the DEA has substantial discretion in whether or not to make such adjustments. Our quota of an active ingredient may not be sufficient to meet commercial demand or complete the manufacture or purchase of material required for clinical trials. Any delay or refusal by the DEA in establishing our quota for controlled substances could delay or stop our clinical trials or product launches, or interrupt

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commercial sales of our products which could have a material adverse effect on our business, financial position and results of operations.

        The DEA conducts periodic inspections of registered establishments that handle controlled substances. Failure to maintain compliance with applicable requirements, particularly as manifested in loss or diversion, can result in enforcement action that could have a material adverse effect on our business, results of operations and financial condition. The DEA may seek civil penalties, refuse to renew necessary registrations, or initiate proceedings to revoke those registrations. In certain circumstances, violations could eventuate in criminal proceedings.

        Individual states also regulate controlled substances, and we are subject to such regulation by several states with respect to the manufacture and distribution of these products.

        In addition to regulations in the United States, we are subject to a variety of foreign regulations governing clinical trials and the commercial sales and distribution of our products. Whether or not we obtain FDA approval for a product, we must obtain approval by the comparable regulatory authorities of foreign countries before we can commence clinical trials or marketing of the product in those countries. The approval process varies from country to country, and the time may be longer or shorter than that required for FDA approval. The requirements governing the conduct of clinical trials, product licensing, pricing and reimbursement vary greatly from country to country.

        For example, in the EEA (which is comprised of the 27 Member States of the EU plus Norway, Iceland and Liechtenstein), medicinal products can only be commercialized after obtaining a Marketing Authorization (MA). There are two types of marketing authorizations:

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        As with FDA approval we may not be able to secure regulatory approvals in Europe in a timely manner, if at all. Additionally, as in the United States, post-approval regulatory requirements, such as those regarding product manufacture, marketing, or distribution, would apply to any product that is approved in Europe, and failure to comply with such obligations could have a material adverse effect on our ability to successfully commercialize any product.

        The conduct of clinical trials in the EU is governed by the EU Clinical Trials Directive (Directive 2001/20/EC of 4 April 2001, of the European Parliament and of the Council on the approximation of the laws, regulations and administrative provisions of the Member States relating to implementation of good clinical practice in the conduct of clinical trials on medicinal products for human use). The provisions of the EU Clinical Trials Directive were required to be implemented and applied by the EEA Member States before May 2004. The EU Clinical Trials Directive harmonizes the regulatory requirements of the Member States of the EEA for the conduct of clinical trials in their respective territories. The EU Clinical Trials Directive requires sponsors of clinical trials to submit formal applications to, and to obtain the approval of, national ethics committees and regulatory authorities prior to the initiation of clinical trials.

        In addition to regulations in Europe and the United States, we will be subject to a variety of foreign regulations governing clinical trials and commercial distribution of any future products.

        The commercial success of our products and product candidates will depend, in part, upon the availability of coverage and reimbursement from third-party payers at the federal, state and private levels. Government payer programs, including Medicare and Medicaid, private health care insurance companies and managed care plans may deny coverage or reimbursement for a product or therapy in whole or in part if they determine that the product or therapy is not medically appropriate or necessary. Also, third-party payers have attempted to control costs by limiting coverage and the amount of reimbursement for particular procedures or drug treatments. The United States Congress and state legislatures from time to time propose and adopt initiatives aimed at cost containment, which could impact our ability to sell our products profitably.

        For example, in March 2010, President Obama signed into law the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Affordability Reconciliation Act, which we refer to collectively as the Health Care Reform Law, a sweeping law intended to broaden access to health insurance, reduce or constrain the growth of healthcare spending, enhance remedies against fraud and abuse, add new transparency requirements for healthcare and health insurance industries, impose new taxes and fees on the health industry and impose additional health policy reforms. The Health Care Reform Law revised the definition of "average manufacturer price" for reporting purposes, which could increase the amount of Medicaid drug rebates owed to states by pharmaceutical manufacturers. The Health Reform Law also established a new Medicare Part D coverage gap discount program, in which drug manufacturers must provide 50% point-of-sale discounts on products covered under Part D beginning in 2011. Further, also beginning in 2011, the new law imposed a significant annual, nondeductible fee on companies that manufacture or import branded prescription drug products. Substantial new provisions affecting compliance have also been enacted, which may require us to modify our business practices with healthcare practitioners. A number of states

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have challenged the constitutionality of certain provisions of the Health Care Reform Law, and many of these court challenges are still pending final adjudication in several jurisdictions. Congress has also proposed a number of legislative initiatives, including possible repeal of the Health Care Reform Law. At this time, it remains unclear whether there will be any changes made to the Health Care Reform Law, whether to certain provisions or its entirety. In addition, some details of the Health Care Reform Law are yet to be determined, as applicable federal and state agencies must issue regulations or guidance under the new law. Although it is too early to determine the effect of the Health Care Reform Law, the new law appears likely to continue the pressure on pharmaceutical pricing, especially under the Medicare program, and may also increase our regulatory burdens and operating costs. Moreover, in the coming years, additional changes could be made to governmental healthcare programs that could significantly impact the success of our products.

        In addition, other legislative changes have been proposed and adopted since the Health Care Reform Law was enacted. Most recently, on August 2, 2011, the President signed into law the Budget Control Act of 2011, which, among other things, creates the Joint Select Committee on Deficit Reduction to recommend proposals in spending reductions to Congress. The Joint Select Committee may consider all elements of discretionary and non-discretionary spending, and its recommendations could result in reduced spending under Medicare and Medicaid for prescription drugs. In the event that the Joint Select Committee is unable to achieve a targeted deficit reduction of at least $1.2 trillion for the years 2013 through 2021, or Congress does not act on the Committee's recommendation, without amendment, by December 23, 2011, an automatic reduction is triggered. These automatic cuts would be made to several government programs and, with respect to Medicare, would include aggregate reductions to Medicare payments to providers of up to 2% per fiscal year, starting in 2013. The full impact on our business of the new law is uncertain. Nor is it clear whether other legislative changes will be adopted, if any, or how such changes would affect the demand for our products.

        The cost of pharmaceuticals continues to generate substantial governmental and third-party payer interest. We expect that the pharmaceutical industry will experience pricing pressures due to the trend toward managed healthcare, the increasing influence of managed care organizations and additional legislative proposals. Our results of operations could be adversely affected by current and future healthcare reforms. Ongoing federal and state government initiatives directed at lowering the total cost of health care will likely continue to focus on health care reform, the cost of prescription pharmaceuticals and on the reform of the Medicare and Medicaid payment systems. Examples of how limits on drug coverage and reimbursement in the United States may cause reduced payments for drugs in the future include:

        Some third-party payers also require pre-approval of coverage for new or innovative devices or drug therapies before they will reimburse healthcare providers that use such therapies. While we cannot predict whether any proposed cost-containment measures will be adopted or otherwise implemented in the future, the announcement or adoption of these proposals could have a material adverse effect on our ability to obtain adequate prices for our product candidates and to operate profitably.

        In international markets, reimbursement and healthcare payment systems vary significantly by country, and many countries have instituted price ceilings on specific products and therapies. There can be no assurance that our products will be considered medically reasonable and necessary for a specific indication, that our products will be considered cost-effective by third-party payers, that an adequate

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level or reimbursement will be available so that the third-party payers' reimbursement policies will not adversely affect our ability to sell our products profitably.

        The FDA may grant three or five years of marketing exclusivity in the United States for the approval of new or supplemental NDAs, including Section 505(b)(2) NDAs, for, among other things, new indications, dosages or dosage forms of an existing drug, if new clinical investigations that were conducted or sponsored by the applicant are essential to the approval of the application. Additionally, six months of marketing exclusivity in the United States is available under Section 505A of the FDCA if, in response to a written request from the FDA, a sponsor submits and the agency accepts requested information relating to the use of the approved drug in the pediatric population. This six month pediatric exclusivity period is not a standalone exclusivity period, but rather is added to any existing patent or non-patent exclusivity period for which the drug product is eligible. Based on our clinical trial program for EXPAREL, we plan to seek at least three years of marketing exclusivity for EXPAREL (anticipated exclusivity through at least the third quarter of 2014).

        We must comply with applicable FDA regulations relating to FDA's cGMP regulations. The cGMP regulations include requirements relating to organization of personnel, buildings and facilities, equipment, control of components and drug product containers and closures, production and process controls, packaging and labeling controls, holding and distribution, laboratory controls, records and reports, and returned or salvaged products. The manufacturing facilities for our products must meet cGMP requirements to the satisfaction of the FDA pursuant to a pre-approval inspection before we can use them to manufacture our products. We and any third-party manufacturers are also subject to periodic inspections of facilities by the FDA and other authorities, including procedures and operations used in the testing and manufacture of our products to assess our compliance with applicable regulations. Failure to comply with these and other statutory and regulatory requirements subjects a manufacturer to possible legal or regulatory action, including warning letters, the seizure or recall of products, injunctions, consent decrees placing significant restrictions on or suspending manufacturing operations and civil and criminal penalties. Adverse experiences with the product must be reported to the FDA and could result in the imposition of market restrictions through labeling changes or in product removal. Product approvals may be withdrawn if compliance with regulatory requirements is not maintained or if problems concerning safety or efficacy of the product occur following approval.

        We are subject to various federal, state and local laws targeting fraud and abuse in the healthcare industry. For example, in the United States, there are federal and state anti-kickback laws that prohibit the payment or receipt of kickbacks, bribes or other remuneration intended to induce the purchase or recommendation of healthcare products and services or reward past purchases or recommendations. Violations of these laws can lead to civil and criminal penalties, including fines, imprisonment and exclusion from participation in federal healthcare programs. These laws are potentially applicable to manufacturers of products regulated by the FDA, such as us, and hospitals, physicians and other potential purchasers of such products.

        In particular, the federal Anti-Kickback Statute prohibits persons from knowingly and willfully soliciting, receiving, offering or providing remuneration, directly or indirectly, to induce either the referral of an individual, or the furnishing, recommending, or arranging for a good or service, for which payment may be made under a federal healthcare program such as the Medicare and Medicaid programs. The term "remuneration" is not defined in the federal Anti-Kickback Statute and has been broadly interpreted to include anything of value, including for example, gifts, discounts, the furnishing

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of supplies or equipment, credit arrangements, payments of cash, waivers of payments, ownership interests and providing anything at less than its fair market value. In addition, the Health Care Reform Law, among other things, amends the intent requirement of the federal Anti-Kickback Statute and the applicable criminal healthcare fraud statutes contained within 42 U.S.C. § 1320a-7b. Pursuant to the statutory amendment, a person or entity no longer needs to have actual knowledge of this statute or specific intent to violate it in order to have committed a violation. In addition, the Health Care Reform Law provides that the federal government may assert that a claim including items or services resulting from a violation of 42 U.S.C. § 1320a-7b constitutes a false or fraudulent claim for purposes of the civil False Claims Act (discussed below) or the civil monetary penalties statute, which imposes a penalty of $5000 against any person who is determined to have presented or caused to be presented claims to a federal health care program that the person knows or should know is for an item or service that was not provided as claimed or is false or fraudulent. Moreover, the lack of uniform court interpretation of the Anti-Kickback Statute makes compliance with the law difficult.

        Recognizing that the federal Anti-Kickback Statute is broad and may technically prohibit many innocuous or beneficial arrangements within the healthcare industry, the U.S. Department of Health and Human Services' Office of Inspector General, or OIG, issued regulations in July of 1991, and periodically since that time, which the OIG refers to as "safe harbors." These safe harbor regulations set forth certain provisions which, if met in form and substance, will assure pharmaceutical companies, healthcare providers and other parties that they will not be prosecuted under the federal Anti-Kickback Statute. Additional safe harbor provisions providing similar protections have been published intermittently since 1991. Although full compliance with these provisions ensures against prosecution under the federal Anti-Kickback Statute, the failure of a transaction or arrangement to fit within a specific safe harbor does not necessarily mean that the transaction or arrangement is illegal or that prosecution under the federal Anti-Kickback Statute will be pursued. However, conduct and business arrangements that do not fully satisfy each applicable safe harbor may result in increased scrutiny by government enforcement authorities, such as the OIG or federal prosecutors. Additionally, there are certain statutory exceptions to the federal Anti-Kickback Statute, one or more of which could be used to protect a business arrangement, although we understand that OIG is of the view that an arrangement that does not meet the requirements of a safe harbor cannot satisfy the corresponding statutory exception, if any, under the federal Anti-Kickback Statute.

        Additionally, many states have adopted laws similar to the federal Anti-Kickback Statute. Some of these state prohibitions apply to referral of patients for healthcare items or services reimbursed by any third-party payer, not only the Medicare and Medicaid programs, and do not contain identical safe harbors. Government officials have focused their enforcement efforts on marketing of healthcare services and products, among other activities, and have brought cases against numerous pharmaceutical and medical device companies, and certain sales and marketing personnel for allegedly offering unlawful inducements to potential or existing customers in an attempt to procure their business or reward past purchases or recommendations.

        Another development affecting the healthcare industry is the increased use of the federal civil False Claims Act and, in particular, actions brought pursuant to the False Claims Act's "whistleblower" or "qui tam" provisions. The civil False Claims Act imposes liability on any person or entity who, among other things, knowingly presents, or causes to be presented, a false or fraudulent claim for payment by a federal healthcare program. The qui tam provisions of the False Claims Act allow a private individual to bring civil actions on behalf of the federal government alleging that the defendant has submitted a false claim to the federal government, and to share in any monetary recovery. In recent years, the number of suits brought by private individuals has increased dramatically. In addition, various states have enacted false claim laws analogous to the False Claims Act. Many of these state laws apply where a claim is submitted to any third-party payer and not merely a federal healthcare program. When an entity is determined to have violated the False Claims Act, it may be required to

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pay up to three times the actual damages sustained by the government, plus civil penalties of $5,500 to $11,000 for each separate false claim. There are many potential bases for liability under the False Claims Act. Liability arises, primarily, when an entity knowingly submits, or causes another to submit, a false claim for reimbursement to the federal government. The False Claims Act has been used to assert liability on the basis of inadequate care, kickbacks and other improper referrals, improperly reported government pricing metrics such as Best Price or Average Manufacturer Price, improper use of Medicare numbers when detailing the provider of services, improper promotion of off-label uses (i.e., uses not expressly approved by FDA in a drug's label), and allegations as to misrepresentations with respect to the services rendered. Our activities relating to the reporting of discount and rebate information and other information affecting federal, state and third-party reimbursement of our products, and the sale and marketing of our products and our service arrangements or data purchases, among other activities, may be subject to scrutiny under these laws. We are unable to predict whether we would be subject to actions under the False Claims Act or a similar state law, or the impact of such actions. However, the cost of defending such claims, as well as any sanctions imposed, could adversely affect our financial performance.

        Also, the Health Insurance Portability and Accountability Act of 1996, or HIPAA, created several new federal crimes, including health care fraud, and false statements relating to health care matters. The health care fraud statute prohibits knowingly and willfully executing a scheme to defraud any health care benefit program, including private third-party payers. The false statements statute prohibits knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false, fictitious or fraudulent statement in connection with the delivery of or payment for health care benefits, items or services.

        In addition, under California law, pharmaceutical companies must adopt a comprehensive compliance program that is in accordance with both the April 2003 Office of Inspector General Compliance Program Guidance for Pharmaceutical Manufacturers, or OIG Guidance, and the Pharmaceutical Research and Manufacturers of America Code on Interactions with Healthcare Professionals, or the PhRMA Code. The PhRMA Code seeks to promote transparency in relationships between health care professionals and the pharmaceutical industry and to ensure that pharmaceutical marketing activities comport with the highest ethical standards. The PhRMA Code contains strict limitations on certain interactions between health care professionals and the pharmaceutical industry relating to gifts, meals, entertainment and speaker programs, among others. Also, certain states, such as Massachusetts and Minnesota, have imposed restrictions on the types of interactions that pharmaceutical and medical device companies or their agents (e.g., sales representatives) may have with health care professionals, including bans or strict limitations on the provision of meals, entertainment, hospitality, travel and lodging expenses, and other financial support, including funding for continuing medical education activities.

        We may be subject to, or our marketing activities may be limited by, HIPAA, and its implementing regulations, which established uniform standards for certain "covered entities" (healthcare providers, health plans and healthcare clearinghouses) governing the conduct of certain electronic healthcare transactions and protecting the security and privacy of protected health information. The American Recovery and Reinvestment Act of 2009, commonly referred to as the economic stimulus package, included sweeping expansion of HIPAA's privacy and security standards called the Health Information Technology for Economic and Clinical Health Act, or HITECH, which became effective on February 17, 2010. Among other things, the new law makes HIPAA's privacy and security standards directly applicable to "business associates"—independent contractors or agents of covered entities that receive or obtain protected health information in connection with providing a service on behalf of a covered entity. HITECH also increased the civil and criminal penalties that may be imposed against

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covered entities, business associates and possibly other persons, and gave state attorneys general new authority to file civil actions for damages or injunctions in federal courts to enforce the federal HIPAA laws and seek attorney's fees and costs associated with pursuing federal civil actions.

Employees

        As of September 30, 2011, we employed 122 employees. All of our employees are located in the United States. None of our employees are represented by a labor union, and we consider our current employee relations to be good.

Facilities

        We maintain our headquarters, containing executive, commercial, business development and administrative activities, in Parsippany, New Jersey, where we occupy approximately 13,000 square feet under a lease expiring in July 2017. In addition, our research and development and manufacturing facilities are located in San Diego, California, where we occupy two facilities totaling approximately 102,000 square feet under leases expiring in July 2015.

        We believe that our manufacturing facilities are sufficient for our current needs. We intend to add new facilities or expand existing facilities as we add employees or expand our geographic markets, and we believe that suitable additional or substitute space will be available as needed to accommodate any such expansion of our operations.

Legal Proceedings

        From time to time, we have been and may again become involved in legal proceedings arising in the ordinary course of our business. We are not presently a party to any material litigation and we are not aware of any pending or threatened litigation against us that could have a material adverse effect on our business, operating results, financial condition or cash flows.

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MANAGEMENT

Executive Officers and Directors

        Our executive officers and directors, their current positions and their ages as of September 30, 2011 are set forth below:

Name
  Age   Position(s)

David Stack

    60   President and Chief Executive Officer, Director

James Scibetta

    47   Chief Financial Officer

Gary Patou, M.D

    52   Chief Medical Officer

Mark Walters

    56   Senior Vice President, Technical Operations

Fred Middleton(2)

    62   Chairman of the Board of Directors

Luke Evnin, Ph.D.(2)

    48   Director

John Longenecker, Ph.D.(1),(2),(3)

    64   Director

Gary Pace, Ph.D.(3)

    63   Director

Andreas Wicki, Ph.D. 

    52   Director

Paul Hastings(1),(2)

    51   Director

Laura Brege(1)

    54   Director

(1)
Member of audit committee.

(2)
Member of compensation committee

(3)
Member of nominating and corporate governance committee

        David Stack has served as our president and chief executive officer and as a director since November 2007. Mr. Stack has been a managing director of MPM Capital since 2005 and a managing partner of Stack Pharmaceuticals, Inc. since 1998. From 2001 to 2004, he was president and chief executive officer of The Medicines Company (NASDAQ: MDCO). Previously, Mr. Stack was president and general manager at Innovex, Inc. He was vice president, business development/marketing at Immunomedics from 1993 until 1995. Prior to that, he was with Roche Laboratories in positions of increasing responsibility from 1981 until 1993, including therapeutic world leader in infectious disease and director, business development and planning, infectious disease, oncology, and virology. He currently serves as a member of the board of directors of PepTx, Inc. He was a member of the boards of directors of Molecular Insight Pharmaceuticals, Inc. (NASDAQ: MIPI) from 2006 to 2010 and BioClinica, Inc. (NASDAQ: BIOC) from 1999 to 2010. Mr. Stack holds a B.S. in pharmacy from Albany College of Pharmacy and a B.S. in Biology from Siena College. We believe Mr. Stack's qualifications to sit on our board of directors include his extensive experience with pharmaceutical companies, his financial expertise and his years of experience providing strategic and financial advisory services to pharmaceutical and biotechnology organizations, including evaluating business plans involving clinical trials.

        James Scibetta has served as our chief financial officer since August 2008. Prior to that, Mr. Scibetta was chief financial officer of Bioenvision, Inc. (NASDAQ: BIVN) from 2006 until its acquisition by Genzyme, Inc. in 2007. From 2001 to 2006, Mr. Scibetta was executive vice president and chief financial officer of Merrimack Pharmaceuticals, Inc., and he was a member of the board of directors of Merrimack from 1998 to 2004. Mr. Scibetta formerly served as a senior investment banker at Shattuck Hammond Partners, LLC and PaineWebber Inc., providing capital acquisition, merger and acquisition, and strategic advisory services to healthcare companies. He currently serves as chairman of the board and audit committee of Nephros, Inc. (NASDAQ: NEPH). He was a member of the board of directors of Labopharm Inc. (NASDAQ:DDSS, Toronto Stock Exchange: DDS) from 2001 to 2008. Mr. Scibetta holds a B.S. in physics from Wake Forest University, and an M.B.A. in finance from the

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University of Michigan. He completed executive education studies in the Harvard Business School Leadership & Strategy in Pharmaceuticals and Biotechnology program.

        Gary Patou, M.D. has served as our chief medical officer since March 2009. Dr. Patou has been a managing director of MPM Capital since 2005. He has served as chief medical officer of the following MPM Capital portfolio companies: Peplin, Ltd. (ASX: PLI), from June 2006 to April 2007 and from June 2008 to May 2009, Cerimon Pharmaceuticals, Inc., from June 2005 to June 2006, and Oscient Pharmaceuticals, Inc., from February 2004 to April 2005. Dr. Patou currently spends part of his time as the acting chief executive officer of Cerimon Pharmaceuticals, Inc. From 2001 to 2004, he was president of Genesoft and from 1995 to 2000, Dr. Patou worked at SmithKline Beecham Pharmaceuticals, now a unit of GlaxoSmithKline (LSE: GSK), where he held positions of increasing responsibility including senior vice president and director, project and portfolio management. From 1991 to 1995, he held increasing senior, director level positions at Vernalis (LSE:VER), formerly British Biotechnology. He currently serves as a member of the board of directors of Xenon Pharmaceuticals, Inc. He served as a member of the board of directors of Oscient Pharmaceuticals Corporation (NASDAQ: OSCI) from 2005 to 2008. Dr. Patou has held a number of academic appointments at University College & Middlesex School of Medicine in London and holds an M.D. from University College, London.

        Mark Walters has served as our senior vice president, technical operations since February 2008, and served as our vice president, business and commercial development since the Acquisition in March 2007. From January 2001 until March 2007, Mr. Walters was with SkyePharma, Inc. (LSE: SKP) serving as the vice president of business and commercial development and as director of both strategic sourcing and product management. From 1989 until 2001 Mr. Walters served in the positions of program director, project director and product director in the imaging and liquid ventilation areas for Alliance Pharmaceutical Corp. Mr. Walters received his B.A. in biology from Hamilton College.

        Fred Middleton has served as our director since our inception in December 2006. Since 1987, he has been a general partner/managing director of Sanderling Ventures, a firm specializing in biomedical venture capital. From 1984 through 1986, he was the managing general partner of Morgan Stanley Ventures, an affiliate of Morgan Stanley & Co. Earlier in his career, Mr. Middleton was part of the of the founding management team at Genentech, Inc., a biotechnology company, serving there from 1978 through 1984 as vice president of finance and corporate development, and chief financial officer. During the last 30 years, he has participated in active management roles and as an investor and director in over 20 start-up biomedical companies. He currently serves as chairman of the board of Stereotaxis, Inc. (NASDAQ: STXS), a medical device company that markets magnetically guided robotic surgery systems in cardiology. He also currently serves as a board member of Cardionet, Inc. (NASDAQ: BEAT), a company that markets devices and services for wireless 24/7 real time monitoring of patients. He also serves as a director of seven other privately-held biomedical companies, engaged in the development of therapeutic and diagnostic products in healthcare. Mr. Middleton received a B.S. degree in chemistry from the Massachusetts Institute of Technology and an M.B.A. from Harvard Business School. We believe Mr. Middleton's qualifications to sit on our board of directors include his extensive experience with biopharmaceutical and biotechnology companies, his financial expertise and his years of experience providing strategic advisory services to diverse companies.

        Luke Evnin, Ph.D. has served as our director since our inception in December 2006. Dr. Evnin has served as a general partner or managing director at MPM Capital since co-founding the firm in 1998. Prior to joining MPM, Dr. Evnin was at Accel Partners from 1990 to 1997 serving as general partner from 1994 to 1997. Dr. Evnin has served as director of several public companies, including EnteroMedics Inc. (NASDAQ: ETRM), Epix Medical, Inc. (NASDAQ: EPIX), Metabasis Therapeutics, Inc. (NASDAQ: MBRX), Oscient Pharmaceuticals Corporation (NASDAQ: OSCI), Restore Medical, Inc., Otix Global, Inc. (NASDAQ: OTIX), formerly known as Sonic Innovations, Inc. and Signal Pharmaceuticals, Inc. and is currently or has been a director of several private healthcare companies in both the medical device and biopharmaceutical sectors. Dr. Evnin earned his Ph.D. in

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biochemistry from the University of California, San Francisco and his A.B. in molecular biology from Princeton University. We believe Dr. Evnin's qualifications to sit on our board of directors include his extensive experience with biopharmaceutical and biotechnology companies, his financial expertise and his years of experience providing strategic advisory services to diverse companies.

        John Longenecker, Ph.D. has served as our director since July 2007. Dr. Longenecker currently serves as president and chief executive officer of HemaQuest Pharmaceuticals, Inc. From December 2009 to March 2010, Dr. Longenecker served as the president and chief executive officer of VitreoRetinal Technologies Inc. From February 2002 to January 2009, Dr. Longenecker was the president and chief executive officer and a member of the board of directors of Favrille, Inc. In 1992, Dr. Longenecker joined DepoTech as senior vice president of research, development and operations and then served as president and chief operating officer from February 1998 to March 1999. Under Dr. Longenecker's leadership, DepoTech took its lead product, DepoCyt(e), from early pre-clinical research and development through to commercial launch. Following SkyePharma PLC's acquisition of DepoTech in 1999, Dr. Longenecker served as president for the U.S. operations of SkyePharma, Inc. and as a member of the executive committee for SkyePharma PLC. From 1982 to 1992, Dr. Longenecker was at Scios Inc. (Cal Bio), a biotechnology company where he served as vice-president and director of development. Dr. Longenecker was also a director of a number of Cal Bio subsidiaries during this period including Meta Bio and Karo Bio. Dr. Longenecker holds a B.S. in chemistry from Purdue University and a Ph.D. in biochemistry from The Australian National University. He was a post doctoral fellow at Stanford University from 1980 to 1982. Dr. Longenecker's experience as the chief executive officer of a public company, demonstrates his leadership capability and extensive knowledge of complex financial and operational issues that public companies face and a thorough understanding of our business and industry and business acumen to our board of directors. We believe Dr. Longenecker's extensive experience in the pharmaceutical and biotechnology industries provides valuable background and insight to our board of directors.

        Gary Pace, Ph.D. has served as our director since June 2008. He is currently founder and chairman of the privately held Sova Pharmaceuticals Inc., founded in 2010, founder, director and consultant to QRxPharma Ltd. (ASX:QRX) founded in 2001, a director of ResMed (NYSE:RMD) since 1994 and Transition Therapeutics Inc. (CDNX:TTH) since 2002. He previously served as a member of the board of directors at Celsion Corporation (NASDAQ: CLSN) from 2002 to 2010 and Peplin Inc. (ASX: PLI) from 2004 to 2009. From 2002 to 2007, Dr. Pace was founder, chairman and chief executive officer of QRxPharma Ltd. and from 1995 to 2001, he was president and chief executive officer of RTP Pharma and from 2000 to 2002, Dr. Pace was chairman and chief executive officer of Waratah Pharmaceuticals Inc., a spin-off company from RTP Pharma. From 1993 to 1994, he was the founding president and chief executive officer of Transcend Therapeutics Inc. (formerly Free Radical Sciences Inc.), a biopharmaceutical company. From 1989 to 1993, he was senior vice president of Clintec International, Inc., a Baxter/Nestle joint venture and manufacturer of clinical nutritional products. Dr. Pace holds a B.S. with honors from the University of New South Wales and a Ph.D. from Massachusetts Institute of Technology. We believe Dr. Pace's qualifications to sit on our board of directors include his financial expertise and his years of experience providing strategic advisory services to complex organizations, including as a public company director.

        Andreas Wicki, Ph.D. has served as our director since our inception in December 2006. Dr. Wicki is a life sciences entrepreneur and investor with over 16 years of experience in the pharmaceutical and biotechnology industries. Dr. Wicki has been chief executive officer of HBM Partners AG and HBM BioVentures AG since 2001. From 1998 to 2001, Dr. Wicki was the senior vice president of the European Analytical Operations at MDS Inc. From 1990 to 1998, he was co-owner and chief executive officer of ANAWA Laboratorien AG and Clinserve AG, two life sciences contract research companies. Dr. Wicki holds an M.Sc. and Ph.D. in chemistry and biochemistry from the University of Bern, Switzerland. He currently serves on the board of directors of Buchler GmbH, HBM BioCapital Ltd.,

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HBM BioPharma India Ltd., HBM BioVentures (Cayman) Ltd., HBM Partners Ltd. and PharmaSwiss SA. He served on the board of directors of Basilea Pharmaceutica Ltd. (SIX: BSLN) from 2000 to 2009. We believe Dr. Wicki's qualifications to sit on our board of directors include his extensive experience with pharmaceutical companies, his financial expertise and his years of experience providing strategic and advisory services to pharmaceutical and biotechnology organizations.

        Paul Hastings has served as president and chief executive officer of OncoMed Pharmaceuticals, Inc. since January 2006. Prior to joining OncoMed, Mr. Hastings was president and chief executive officer of QLT, Inc. Before this role, Mr. Hastings served as president and chief executive officer of Axys Pharmaceuticals, Inc., which was acquired by Celera Corporation in 2001. Prior to Axys, Mr. Hastings was president of Chiron Biopharmaceuticals and also held a variety of management positions of increasing responsibility at Genzyme Corporation, including president of Genzyme Therapeutics Europe and president of Worldwide Therapeutics. Mr Hastings was Chairman of the Board of Proteolix, Inc. from 2008 to 2010 (sold to Onyx) and was a member of the board of directors of ViaCell, Inc. from 2000 to 2007 (sold to Perkin Elmer). Mr. Hastings currently serves as chairman of the board of the Bay Area Biosciences Association (Bay Bio) and is Vice Chair of the Emerging Companies Section of the Biotechnology Industry Organization. He received a Bachelor of Science degree in pharmacy from the University of Rhode Island. We believe Mr. Hastings' qualifications to sit on our board of directors include his financial expertise and his extensive experience in the pharmaceutical and biotechnology industries.

        Laura Brege serves as executive vice president, corporate affairs for Onyx Pharmaceuticals, Inc., Previously, Ms. Brege held the roles of chief operating officer and executive vice president and chief business officer for Onyx. Prior to joining Onyx in 2006, Ms. Brege was a general partner at Red Rock Capital Management, a venture capital firm, and senior vice president and chief financial officer at COR Therapeutics, Inc. Ms. Brege currently serves as a director of Acadia Pharmaceuticals Inc. (NASDAQ: ACAD). She previously served as a member of the board of directors of Angiotech Pharmaceuticals Inc. from 2007 to 2011. Ms. Brege earned her undergraduate degree from Ohio University and has an M.B.A. from the University of Chicago. We believe Ms Brege's qualifications to sit on our board of directors include her extensive experience in the pharmaceutical and biotechnology industries, including as a public company director.

Family Relationships

        There are no family relationships among any of our directors or executive officers.

Board Composition

        Our board of directors currently consists of eight members, six of whom were elected as directors pursuant to a voting agreement that we had previously entered into with the holders of our Series A convertible preferred stock prior to our initial public offering and two of which were elected by the board of directors in June of 2011 to fill two vacancies. The voting agreement terminated upon the completion of our initial public offering and there are no further contractual obligations regarding the election of our directors. Our directors hold office until their successors have been elected and qualified or until the earlier of their resignation or removal.

        In accordance with the terms of our restated certificate of incorporation and bylaws, our board of directors is divided into three classes, class I, class II and class III, with each class serving staggered three-year terms. Upon the expiration of the term of a class of directors, directors in that class will be eligible to be elected for a new three-year term at the annual meeting of stockholders in the year in which their term expires. The members of the classes are divided as follows:

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        Our restated certificate of incorporation and amended and restated bylaws provide that the authorized number of directors may be changed only by resolution of the board of directors. Our restated certificate of incorporation and amended and restated bylaws also provide that our directors may be removed only for cause by the affirmative vote of the holders of at least 75% of the votes that all our stockholders would be entitled to cast in an annual election of directors, and that any vacancy on our board of directors, including a vacancy resulting from an enlargement of our board of directors, may be filled only by vote of a majority of our directors then in office.

        We have no formal policy regarding board diversity. Our priority in selection of board members is identification of members who will further the interests of our stockholders through his or her established record of professional accomplishment, the ability to contribute positively to the collaborative culture among board members, knowledge of our business and understanding of the competitive landscape.

Director Independence

        Under The NASDAQ Marketplace Rules, a director will only qualify as an "independent director" if, in the opinion of our board of directors, that person does not have a relationship that would interfere with the exercise of independent judgment in carrying out the responsibilities of a director.

        Our board of directors has determined that each of our directors, with the exception of David Stack, is an "independent director" as defined under Rule 5605(a)(2) of The NASDAQ Marketplace Rules. In making such independence determination, the board of directors considered the relationships that each such non-employee director has with us and all other facts and circumstances that the board of directors deemed relevant in determining their independence, including the beneficial ownership of our capital stock by each non-employee director. In considering the independence of the directors listed above, our board of directors considered the association of our directors with the holders of more than 5% of our common stock.

Board Committees

        Our board of directors has established an audit committee, a compensation committee and a nominating and corporate governance committee. Each of these committees operate under a charter that has been approved by our board of directors.

        The members of our audit committee are John Longenecker, Paul Hastings and Laura Brege, who chairs the committee. Our board of directors has determined that each of the directors serving on our audit committee, are independent within the meaning of The NASDAQ Marketplace Rules and Rule 10A-3 under the Securities Exchange Act of 1934, as amended, or the Exchange Act. In addition, our board of directors has determined that Ms. Brege qualifies as an audit committee financial expert within the meaning of SEC regulations and The NASDAQ Marketplace Rules. In making this determination, our board has considered the formal education and nature and scope of her previous experience, coupled with past and present service on various audit committees. Our audit committee

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assists our board of directors in its oversight of our accounting and financial reporting process and the audits of our financial statements. Our audit committee's responsibilities include:

        All audit services to be provided to us and all non-audit services, other than de minimis non-audit services, to be provided to us by our independent registered public accounting firm must be approved in advance by our audit committee.

        The members of our compensation committee are Luke Evnin, John Longenecker, Fred Middleton, and Paul Hastings and Mr. Hastings is the chair of the compensation committee. Our compensation committee assists our board of directors in the discharge of its responsibilities relating to the compensation of our executive officers. Our compensation committee's responsibilities include:

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        The members of our nominating and corporate governance committee are John Longenecker and Gary Pace. Dr. Pace is the chair of the nominating and corporate governance committee. The nominating and corporate governance committee's responsibilities include:

Compensation Committee Interlocks and Insider Participation

        None of our executive officers serves, or in the past has served, as a member of the board of directors or compensation committee, or other committee serving an equivalent function, of any entity that has one or more executive officers who serve as members of our board of directors or our compensation committee. None of the members of our compensation committee is an officer or employee of our company. Other than John Longenecker, who was the president and chief operating officer of DepoTech, the predecessor to PPI-California, none of the members of our compensation committee have ever been an officer or employee of our company.

Code of Business Conduct and Ethics

        We have adopted a written code of business conduct and ethics that applies to our directors, officers and employees, including our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. A current copy of the code is posted on the Corporate Governance section of our website, which is located at www.pacira.com. If we make any substantive amendments to, or grant any waivers from, the code of business conduct and ethics for any officer or director, we will disclose the nature of such amendment or waiver on our website or in a current report on Form 8-K.

Board Leadership Structure and Board's Role in Risk Oversight

        The positions of our chairman of the board and chief executive officer are separated. Separating these positions allows our chief executive officer to focus on our day-to-day business, while allowing the chairman of the board to lead the board of directors in its fundamental role of providing advice to and independent oversight of management. Our board of directors recognizes the time, effort and energy that the chief executive officer must devote to his position in the current business environment, as well as the commitment required to serve as our chairman, particularly as the board of directors' oversight responsibilities continue to grow. Our board of directors also believes that this structure ensures a greater role for the independent directors in the oversight of our company and active participation of the independent directors in setting agendas and establishing priorities and procedures for the work of our board of directors. This leadership structure also is preferred by a significant number of our stockholders. Our board of directors believes its administration of its risk oversight function has not affected its leadership structure.

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        Although our bylaws do not require our chairman and chief executive officer positions to be separate, our board of directors believes that having separate positions is the appropriate leadership structure for us at this time and demonstrates our commitment to good corporate governance.

        Risk is inherent with every business, and how well a business manages risk can ultimately determine its success. We face a number of risks, including those described under "Risk Factors." Our board of directors is actively involved in oversight of risks that could affect us. This oversight is conducted primarily by our full board of directors, which has responsibility for general oversight of risks.

        Our board of directors satisfies this responsibility through full reports by each committee chair regarding the committee's considerations and actions, as well as through regular reports directly from officers responsible for oversight of particular risks within our company. Our board of directors believes that full and open communication between management and the board of directors is essential for effective risk management and oversight.

Director Compensation

        On June 2, 2011, our board of directors approved a compensation policy for our non-employee directors. This policy provides for the following compensation to our non-employee directors:

        Initial Stock Option Grant—Non-Employee Directors.    Each non-employee director that joins our board of directors after June 2, 2011 will receive an option under our then existing equity inventive plan to purchase an aggregate of 15,000 shares of common stock, upon his or her initial appointment to our board of directors. Subject to the non-employee director's continued service as a director, the shares underlying this option will vest in 24 equal successive monthly installments over the 24 month period following the date of grant. 100% of the then unvested shares will immediately vest upon a change of control or our liquidation or dissolution of us. The exercise price of the option will be equal to the fair market value of the common stock which our board of directors determines to be closing price per share of common stock as reported on The Nasdaq Global Market on the date of grant.

        Annual Stock Option Grant.    Each non-employee director will receive an option under the our then existing stock incentive plan to purchase an aggregate 5,000 shares of common stock on the date of our first board of directors meeting held after each annual meeting of stockholders. Unless otherwise provided at the time of grant, subject to the non-employee director's continued service as a director, the shares underlying this option will vest in 12 equal successive monthly installments over the 12 month period following the date of grant. In the event of a change of control or our liquidation or dissolution of us, 100% of the then unvested shares will vest in full. The exercise price of the option will be equal to the fair market value of the common stock which our board of directors determines to be closing price per share of common stock as reported on The Nasdaq Global Market on the date of grant.

        Annual Fees.    Each non-employee director will receive an annual fee as follows:

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        Each annual fee shall be payable in advance in four equal quarterly installments on the first day of each calendar quarter, provided that the amount of such payment shall be prorated for any portion of such quarter that the director was not serving on our board of directors. Each non-employee director will also be reimbursed for reasonable travel and other expenses in connection with attending meetings of the Board and any committee on which he or she serves.

        The following table sets forth a summary of the compensation earned by our directors for the year ended December 31, 2010, with the exception of Mr. Stack, whose compensation is included in the "Summary Compensation Table" below.

Name
  Option
Awards(1)
($)
  Total
($)
 

Fred Middleton

    10,464     10,464  

Luke Evnin, Ph.D. 

    10,464     10,464  

Carl Gordon, Ph.D.(2)

    10,464     10,464  

John Longenecker, Ph.D. 

    18,614     18,614  

Gary Pace, Ph.D. 

    18,745     18,745  

Andreas Wicki, Ph.D. 

         

(1)
Represents the grant date fair value of option awards granted in 2010 in accordance with ASC Topic 718, or ASC 718, formerly Statement of Financial Accounting Standards No. 123(R). Our directors will only realize compensation to the extent the fair value of our common stock is greater than the exercise price of such stock options. For information regarding assumptions underlying the valuation of equity awards, see note 11 to our financial statements included elsewhere in this prospectus.

(2)
Dr. Gordon resigned from our board of directors effective June 2, 2011.

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EXECUTIVE COMPENSATION

        This section discusses the material elements of our executive compensation policies and decisions and the most important factors relevant to an analysis of these policies and decisions. It provides qualitative information regarding the manner and context in which compensation is awarded to and earned by our executive officers named in the "Summary Compensation Table," or our "named executive officers," and is intended to place in perspective the data presented in the tables and the narrative that follows.

        In preparing to become a public company, we have begun a thorough review of all elements of our executive compensation program, including the function and design of our equity incentive programs. We have begun, and we expect to continue in the coming months, to evaluate the need for revisions to our executive compensation program to ensure our program is competitive with the companies with which we compete for executive talent and is appropriate for a public company.

Overview of our Executive Compensation Process

        Roles of Our Board, Chief Executive Officer and Compensation Committee in Compensation Decisions.    As a private company, our chief executive officer and compensation committee have historically overseen our executive compensation program. Our compensation committee, either as a committee or together with the other independent directors, makes all compensation decisions regarding our chief executive officer. Our chief executive officer may make recommendations to the compensation committee regarding the compensation of our executive officers other than the chief executive officer, but the compensation committee either makes all compensation decisions regarding our other executive officers or makes recommendations concerning executive compensation to our board of directors, with the independent directors making such decisions. In his role, our chief executive officer has reviewed all compensation decisions relating to our executive officers other than himself. He has annually reviewed the performance of each of our other executive officers, and, based on these reviews, has made recommendations to our compensation committee regarding salary adjustments, annual incentive bonus payments and equity incentive awards for our executive officers.

        Competitive Market Data and Use of Compensation Consultants.    Historically, we have not formally benchmarked our executive compensation against compensation data of a peer group of companies, but rather have relied on the business judgment and experience in the pharmaceutical industry of our chief executive officer and members of our compensation committee. We have developed substantial information about compensation practices and levels at comparable companies through extensive recruiting, networking and industry research. Our compensation committee may in the future elect to engage an independent compensation consulting firm to provide advice regarding our executive compensation program and general information regarding executive compensation practices in our industry. Although the compensation committee would consider such a compensation consulting firm's advice in establishing and approving the various elements of our executive compensation program, our chief executive officer and the compensation committee would ultimately make their own decisions, or make recommendations to our board of directors, about these matters.

        Objectives and Philosophy of Our Executive Compensation Program.    Our primary objective with respect to executive compensation is to attract, retain and motivate highly talented individuals who have the skills and experience to successfully execute our business strategy. Our executive compensation program is designed to:

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        To achieve these objectives, our executive compensation program ties a portion of each executive's overall compensation to key corporate financial goals and to individual goals. We have also provided a portion of our executive compensation in the form of option awards that vest over time, which we believe helps to retain our executive officers and aligns their interests with those of our stockholders by allowing them to participate in our long-term performance as reflected in the trading price of shares of our common stock.

        Elements of Our Executive Compensation Program.    The primary elements of our executive compensation program are:

        We have not adopted any formal or informal policies or guidelines for allocating compensation among these elements.

        Base Salaries.    We use competitive base salaries to attract and retain qualified candidates to help us achieve our growth and performance goals. Base salaries are intended to recognize an executive officer's immediate contribution to our organization, as well as his or her experience, knowledge and responsibilities.

        Historically, our chief executive officer (with respect to executive officers other than himself) and our vice president, human resources have annually evaluated and recommended adjustments to executive officer base salary levels to our compensation committee or board of directors based on factors determined to be relevant, including:

        Our chief executive officer's base salary has been determined by the non-management members of our board of directors, taking into account these same factors.

        We have historically made annual base salary adjustments at the end of each year, with the adjustments taking effect at the beginning of the following year. In 2010, we made no adjustments to the base salaries for our chief executive officer or any of our other named executive officers.

        Following the completion of this offering, our compensation committee will perform such annual evaluations, and we expect that it will consider similar factors, as well as perhaps the input of a compensation consulting firm and peer group benchmarking data, in making any adjustments to executive officer base salary levels.

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        Annual Incentive Bonuses.    In addition to the corporate goals described below, members of management, including each of our executive officers, were assigned personal achievement goals near the beginning of fiscal 2007. For our executive officers other than our chief executive officer, these individual goals were set by our chief executive officer in collaboration with our executive management team and the individual goals for our chief executive officer were set by our board of directors, taking into account discussions with our chief executive officer.

        We do not currently have a formal annual incentive bonus program. The company did pay cash bonuses based on the achievement of approved operational milestones in 2007. The 2007 bonus program was targeted at 75% based on the achievement of corporate goals and 25% based on personal achievement goals. A total pool of $57,570 was shared equally between six executives. The compensation committee did not establish a formal annual incentive bonus program in 2009 or 2010 and we have not paid any bonuses based on corporate goals or personal achievement goals in 2009 or 2010. Although our 2009 and 2010 corporate goals were informal, they were focused on the achievement of certain objectives. In 2009, the objectives were (1) successful completion of additional Phase 3 clinical trials of EXPAREL and (2) obtaining additional financing. In 2010, the objectives were (1) filing our NDA for EXPAREL, (2) obtaining additional financing, (3) converting our current clinical manufacturing suite to a commercial manufacturing suite and (4) filing this registration statement. For 2009 and 2010, our compensation committee made the decision not to pay annual bonuses based on the need to manage expenses and allocate resources to our clinical development programs, and did not formally evaluate whether our 2009 or 2010 corporate goals had been achieved. We did not have additional individual performance goals for our executive officers in 2009 or 2010. Our compensation committee has the authority to award discretionary performance-based cash bonuses to our executive officers and certain non-executive employees. Our compensation committee considers awarding such discretionary bonuses in the event of extraordinary short-term efforts and achievements by our executives and employees, as recommended by management. No such discretionary bonuses were awarded in 2009 or 2010. We do expect that our compensation committee will establish a formal cash incentive program in the future, and that our executive officers will participate in that program.

        Company Sale Bonus Plan.    In March 2009, we adopted a company sale bonus plan, amended and restated in March 2010, that provides for a potential cash bonus payment to specified employees and consultants, including our executive officers, and our non-employee directors, in the event of a sale of our company. The purpose of the company sale bonus plan is to provide these employees, consultants and directors with an additional incentive in connection with a transaction that is in our and our stockholders' best interests, but which may otherwise create personal uncertainties. Under the company sale bonus plan, upon the closing of a sale transaction that satisfies specified criteria, each participant in the company sale plan would receive either a bonus in an amount equal to a portion of the sale proceeds multiplied by a specified percentage for that participant or a fixed bonus payment. As a condition to becoming participants under the plan, most of the participants, including all of our executive officers and non-employee directors, agreed to have their existing option grants cancelled. The participants in the bonus plan were determined by our board of directors. This bonus plan terminates upon the completion of this offering. As a condition to becoming a participant under the Company Sale Bonus Plan, most of the participants under the plan, including all of our executive officers and non-employee directors, agreed to have their existing option grants cancelled in March 2009.

        Equity Incentive Compensation.    We believe that our long-term performance is enhanced through equity awards. Equity awards reward executives and employees for maximizing stockholder value over time and align the interests of our employees and management with those of the stockholders. We granted stock options to our employees, including our named executive officers, in connection with their initial employment with us. In connection with the adoption of our company sale bonus plan, most of the participants under the plan, including all of our executive officers and non-employee

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directors, agreed to have their existing option grants cancelled. Subsequent to the cancellation, in September 2010, our board of directors granted new options to all of our employees, including our executive officers, and our non-employee directors, including options to purchase an aggregate of 809,390 shares of common stock to our named executive officers. The following table sets forth the number of shares underlying stock options granted to our named executive officers in September 2010:

Name
  Number of Shares of
Common Stock
Underlying Stock Option
 

David Stack, Chief Executive Officer

    441,655  

James Scibetta, Chief Financial Officer

    147,373  

Gary Patou, Chief Medical Officer

    118,084  

Mark Walters, Senior Vice President

    51,139  

William Lambert, Senior Vice President(1)

    51,139  

(1)
Mr. Lambert resigned from the Company effective September 30, 2011.

        In December 2010, our board of directors granted options to all of our employees, including our named executive officers and our non-employee directors. Options to purchase an aggregate of 290,407 shares of common stock were granted to our named executive officers. The following table sets forth the number of shares underlying stock options granted to our named executive officers in December 2010:

Name
  Number of Shares of
Common Stock
Underlying Stock Option
 

David Stack, Chief Executive Officer

    158,466  

James Scibetta, Chief Financial Officer

    52,877  

Gary Patou, Chief Medical Officer

    42,368  

Mark Walters, Senior Vice President

    18,348  

William Lambert, Senior Vice President(1)

    18,348  

(1)
Mr. Lambert resigned from the Company effective September 30, 2011.

        Equity Incentive Awards.    Our equity incentive award program is the primary vehicle for offering long-term incentives to our executive officers. To date, equity incentive awards to our executive officers have been made in the form of stock options. We believe that equity incentive awards:

        Employees who are considered important to our long-term success are eligible to receive equity incentive awards. Equity incentive awards have been granted to all of our current employees and certain of our non-employee directors. On September 2, 2010, we granted options to purchase an aggregate of 809,390 shares of common stock to our named executive officers. On December 29, 2010, we granted options to purchase an aggregate of 290,407 shares of common stock to our named executive officers.

        Historically, all equity incentive awards granted to our executive officers have been approved by our board of directors, with input from our chief executive officer, our executive management team and

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our compensation committee. In determining the size of equity incentive awards to executive officers, our board and chief executive officer have generally considered the executive's experience, skills, level and scope of responsibilities, existing equity holdings, and comparisons to comparable positions in our company.

        Our compensation committee has the authority to make equity awards to our executive officers and to administer our equity incentive plans.

        We do not have any equity ownership guidelines or requirements for our executive officers.

        Other Employee Benefits.    We maintain broad-based benefits that are provided to all employees, including our 401(k) retirement plan, flexible spending accounts, medical and dental care plans, life insurance, short- and long-term disability policies, vacation and company holidays. Our executive officers are eligible to participate in each of these programs on the same terms as non-executive employees; however, employees at the director level and above are eligible for life insurance coverage equal to three times (rather than twice) their annual base salary.

        Severance and Change of Control Arrangements.    We have entered into employment agreements with David Stack, our chief executive officer, James Scibetta, our chief financial officer, Gary Patou, our chief medical officer, Mark Walters, our senior vice president, technical operations and William Lambert, our senior vice president, pharmaceutical development. Each of these agreements provides the executive officer with certain severance benefits in connection with certain terminations of the executive's employment or, in the case of Dr. Patou, consulting arrangement, both before and after a change of control of us. See "Executive Compensation—Employment Agreements, Severance and Change in Control Arrangements" below.

        Risk Considerations in our Compensation Program.    We have reviewed and evaluated the standards on which our compensation plans have been developed and implemented across our company. It is our belief that our compensation programs do not encourage inappropriate actions by our executive officers. Specifically, we believe that our compensation policies and practices avoid:

        We believe that our current business process and planning cycle fosters the following behaviors and controls that would mitigate the potential for adverse risk caused by the action of our executives.

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        As a result, we do not believe that any risks arising from our employee compensation policies and practices are reasonably likely to have a material adverse effect on us. In addition, we do not believe that the mix and design of the components of our executive compensation program encourage management to assume excessive risks.

        Tax Considerations.    Section 162(m) of the U.S. Internal Revenue Code of 1986, as amended, which we refer to as the Code, generally disallows a tax deduction for compensation in excess of $1.0 million paid by a public company to its chief executive officer and to each other officer (other than its chief financial officer) whose compensation is required to be reported to stockholders by reason of being among the three other most highly paid executive officers. Qualifying performance-based compensation is not subject to the deduction limitation if specified requirements are met. We will periodically review the potential consequences of Section 162(m) on the various elements of our executive compensation program, and we generally intend to structure the equity incentives component of our executive compensation program, where feasible, to comply with exemptions in Section 162(m) so that the compensation remains tax deductible to us. However, our board of directors or compensation committee may, in its judgment, authorize compensation payments that do not comply with the exemptions in Section 162(m) when it believes that such payments are appropriate to attract and retain executive talent.

        Section 409A of the Code applies to plans, agreements and arrangements that provide for the deferral of compensation, and imposes penalty taxes on employees if those plans, agreements and arrangements do not comply with Section 409A. We have sought to structure our executive compensation arrangements to be exempt from, or comply with, Section 409A.

Summary Compensation Table

        The following table sets forth information regarding compensation earned by our chief executive officer, our chief financial officer and each of our three other most highly compensated executive officers during our fiscal years ended December 31, 2009 and 2010. We refer to these individuals as our named executive officers.

Name and Principal Position
  Year   Salary
($)
  Bonus(1)
($)
  Option
Awards(2)
($)
  All Other
Compensation(3)
($)
  Total
($)
 

David Stack

    2010     400,000         1,112,323     1,504     1,513,827  
 

Chief Executive Officer

    2009     400,000             1,504     401,504  

James Scibetta

    2010     270,000         370,735     1,504     642,239  
 

Chief Financial Officer

    2009     270,000             1,504     271,504  

Gary Patou

    2010     336,660     300,000     295,018         931,678  
 

Chief Medical Officer(4)

    2009     280,550                 280,550  

Mark Walters

    2010     250,000         127,595     1,600     379,195  
 

Senior Vice President

    2009     250,000             1,600     251,600  

William Lambert

    2010     220,000         127,595     1,487     349,082  
 

Senior Vice President(5)

    2009     220,000             1,483     221,483  

(1)
Represents a bonus paid to Dr. Patou upon the successful completion of the NDA submission for EXPAREL pursuant to the Services Agreement with MPM Asset Management LLC, or MPM AM, and Dr. Patou.

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(2)
Represents the grant date fair value of option awards granted in 2010 in accordance with ASC 718. Our named executive officers will only realize compensation to the extent the fair value of our common stock is greater than the exercise price of such stock options. For information regarding assumptions underlying the valuation of equity awards, see note 11 to our financial statements included elsewhere in this prospectus.

(3)
Amounts represent the value of perquisites and other personal benefits which are further detailed in the table below:

Name
  2009 Group Life
Insurance
($)
  2010 Group Life
Insurance
($)
 

David Stack

    1,504     1,504  

James Scibetta

    1,504     1,504  

Gary Patou

         

Mark Walters

    1,600     1,600  

William Lambert

    1,483     1,487  
(4)
Dr. Patou, a managing director at MPM, is a consultant to us and provided the services customarily expected of a chief medical officer. Pursuant to the Services Agreement with MPM AM and Dr. Patou, we paid a service fee of $26,467 per month to MPM AM for the services provided by Dr. Patou and MPM AM. For more information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

(5)
Mr. Lambert resigned from the Company effective September 30, 2011.

Grants of Plan-Based Awards in 2010

        The following table sets forth information for the year ended December 31, 2010 regarding grants of stock options made during 2010 to our named executive officers.

2010 Grants of Plan-Based Awards

Name
  Grant Date   All other
Option Awards:
Number of
Securities
Underlying
Options (#)
  Exercise or
Base Price of
Option
Awards ($/Sh)
  Grant Date Fair
Value of Stock
and Option
Awards(1)
 

David Stack

    9/02/10     441,655   $ 1.61   $ 495,195  

    12/29/10     158,466     5.49     617,128  

James Scibetta

   
9/02/10
   
147,373
   
1.61
   
164,809
 

    12/29/10     52,877     5.49     205,926  

Gary Patou

   
9/02/10
   
118,084
   
1.61
   
130,018
 

    12/29/10     42,368     5.49     165,001  

Mark Walters

   
9/02/10
   
51,139
   
1.61
   
56,138
 

    12/29/10     18,348     5.49     71,457  

William Lambert(2)

   
9/02/10
   
51,139
   
1.61
   
56,138
 

    12/29/10     18,348     5.49     71,457  

(1)
Represents the grant date fair value of option awards granted in 2010 in accordance with ASC 718 "Accounting for Stock Based Compensation".

(2)
Mr. Lambert resigned from the Company effective September 30, 2011.

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Outstanding Equity Awards at Year End

        The following table sets forth certain information with respect to outstanding options held by our named executive officers at December 31, 2010.

Name
  Number of
Securities
Underlying
Unexercised
Options
Exercisable
  Number of
Securities
Underlying
Unexercised
Options
Unexercisable
  Option
Exercise Price
($)
  Option
Expiration Date
 

David Stack

    104,602     81,358 (1) $ 1.61     9/2/20  

        255,695 (2)   1.61     9/2/20  

        158,466 (3)   5.49     12/29/20  

James Scibetta

   
41,841
   
32,543

(1)
 
1.61
   
9/2/20
 

        72,989 (2)   1.61     9/2/20  

        52,877 (3)   5.49     12/29/20  

Gary Patou

   
33,211
   
25,831

(1)
 
1.61
   
9/2/20
 

        59,042 (2)   1.61     9/2/20  

        42,368 (3)   5.49     12/29/20  

Mark Walters

   
30,218
   
6,974

(4)
 
1.61
   
9/2/20
 

        13,947 (2)   1.61     9/2/20  

        18,348 (3)   5.49     12/29/20  

William Lambert(5)

   
30,218
   
6,974

(4)
 
1.61
   
9/2/20
 

        13,947 (2)   1.61     9/2/20  

        18,348 (3)   5.49     12/29/20  

(1)
This option vested with respect to 50% of the shares subject to the option on September 2, 2010 and with respect to the remaining shares in approximately equal successive monthly installments over the next 24 months provided that the named executive officer continues to provide services to us over such period.

(2)
This option vests with respect to 25% of the shares subject to the option on September 2, 2011 and will vest in approximately equal successive monthly installments over the next 36 months provided that the named executive officer continues to provide services to us over such period.

(3)
This option vests with respect to 25% of the shares subject to the option on December 29, 2011 and will vest in approximately equal successive monthly installments over the next 36 months provided that the named executive officer continues to provide services to us over such period.

(4)
This option vested with respect to 75% of the shares subject to the option on September 2, 2010 and with respect to the remaining shares in approximately equal successive monthly installments over the next 12 months provided that the named executive officer continues to provide services to us over such period.

(5)
Mr. Lambert resigned from the Company effective September 30, 2011.

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Option Exercises and Stock Vested

        None of our named executive officers exercised any options during the year ended December 31, 2010.

Potential Payments Upon Termination or Change of Control

        The tables below summarize the potential payments to each of our named executive officers if he were to be terminated without cause or resigned for good reason on December 31, 2010, the last business day of the fiscal year ended December 31, 2010, under the following circumstances.

 
  Not in Connection with a Change of Control  
Name
  Cash Severance
Payments
($)
  Value of
Continuation
of Benefits
($)
  Value of Stock
Vesting Upon
Termination
($)(1)
  Total
($)
 

David Stack

    400,000     9,305     894,375     1,303,680  

James Scibetta

    202,500     6,979     286,650     496,129  

Gary Patou

    238,206 (2)       228,600 (3)   466,806  

Mark Walters

    187,500     4,637     160,875     353,012  

William Lambert(4)

    165,000     6,979     160,875     332,854  

(1)
This amount is equal to (i) the number of option shares that would vest as a direct result of the employment termination without cause or for good reason, assuming a December 31, 2010 employment termination, multiplied by (ii) the excess of fair market value of our common stock as of December 31, 2010, over the exercise price of the option. For a discussion of our methodology for determining the fair market value of our common stock, see the "Management's Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies and Use of Estimates—Stock Based Compensation."

(2)
Pursuant to the Services Agreement with MPM AM and Dr. Patou, we are required to make certain payments to MPM in the case of a termination of the agreement. For more information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

(3)
Pursuant to the Services Agreement with MPM AM and Dr. Patou, Dr. Patou is entitled to accelerated vesting of his options in the case of a termination of the agreement. For more information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

(4)
Mr. Lambert resigned from the Company effective September 30, 2011. Mr. Lambert received his continuation of salary and benefits and the vesting acceleration of certain stock options, in each

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  30 days Prior to, or One Year After,
a Change of Control
 
Name
  Cash Severance
Payments
($)
  Value of
Continuation
of Benefits
($)
  Value of Stock
Vesting Upon
Termination
($)(1)
  Total
($)
 

David Stack

    400,000     9,305     1,710,000     2,119,305  

James Scibetta

    202,500     6,979     570,600     780,079  

Gary Patou

    238,206 (2)       457,200 (3)   695,406  

Mark Walters

    187,500     4,637     198,000     390,137  

William Lambert(4)

    165,000     6,979     198,000     369,979  

(1)
This amount is equal to (i) the number of option shares that would vest as a direct result of the employment termination without cause or for good reason in connection with a change in control, assuming a December 31, 2010 employment termination, multiplied by (ii) the excess of fair market value of our common stock as of December 31, 2010, over the exercise price of the option. For a discussion of our methodology for determining the fair market value of our common stock, see the "Management's Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies and Use of Estimates—Stock Based Compensation."

(2)
Pursuant to the Services Agreement with MPM AM and Dr. Patou, we are required to make certain payments to MPM in the case of a termination of the agreement. For more information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

(3)
Pursuant to the Services Agreement with MPM AM and Dr. Patou, Dr. Patou is entitled to accelerated vesting of his options in the case of a termination of the agreement. For more information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

(4)
Mr. Lambert resigned from the Company effective September 30, 2011.

        In addition, each of our named executive officers would be entitled to payments under our company sale bonus plan. See "Executive Compensation—Company Sale Bonus Plan" below.

Employment Agreements, Severance and Change in Control Arrangements

        We entered into employment agreements with each of our named executive officers other than Gary Patou. The agreements with each of our named executive officers provide for "at will" employment which means we or the executive can terminate his or her employment at any time, with or without cause. Pursuant to the agreements, each of our named executive officers will be entitled to a base salary and certain benefits as previously described.

        If any of our named executive officers, other than our chief executive officer, (i) is terminated for any reason other than for "cause," or (ii) terminates his or her employment for "good reason," then such executive officer will be entitled to:

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        If our chief executive officer (i) is terminated for any reason other than for "cause," or (ii) terminates his employment for "good reason," then he will be entitled to:

        If, within 30 days prior to, or 12 months following, a "change in control," any of our named executive officers, including our chief executive officer, (i) is terminated for any reason other than for "cause," or (ii) terminates his or her employment during the agreement term for "good reason," then, in addition to the severance payments described above, such executive officer will also be entitled to immediate vesting of the entire unvested portion of all equity compensation granted to him or her.

        Our obligation to make the severance payments described above will be conditioned upon the executive officer's continued compliance with the non-competition and confidentiality obligations set forth in his or her employment agreement and the executive officer's execution of a general release of claims against us.

        Under the employment agreements, "cause" means: (i) failure to substantially perform the duties owed to us after receiving written notice that sets forth in detail the specific respects in which our board of directors believes that the duties have not been substantially performed, and failure to correct the failure within 30 days after receiving a demand for substantial performance and opportunity to cure; (ii) fraud, misconduct, dishonesty, gross negligence or other acts either injurious to us or conducted with intentional disregard for our best interests; (iii) failure to follow reasonable and lawful instructions from our board of directors and failure to cure such failure after receiving 20 days advance written notice; (iv) material breach of the terms of the employment agreement or our employee proprietary information and inventions assignment agreement or any other similar agreement that may be in effect from time to time; or (v) conviction of, or pleading guilty or nolo contendere to, any misdemeanor involving dishonesty or moral turpitude or related to our business, or any felony.

        Under the employment agreements, "good reason" means, without the executive officer's prior written consent: (i) any material reduction of the executive officer's then effective base salary that is not in accordance with his employment agreement or related to a cross-executive team salary reduction; (ii) any material breach by us of the executive officer's employment agreement; or (iii) a material reduction in the executive officer's responsibilities or duties, not including a mere reassignment following a change of control to a position that is substantially similar to the position held prior to the change of control; provided, however, that no such event or condition shall constitute good reason unless (x) the executive officer gives us a written notice of termination for good reason not more than 90 days after the initial existence of the condition, (y) the grounds for termination (if susceptible to correction) are not corrected by us within 30 days of our receipt of such notice and (z) the termination date occurs within one (1) year following our receipt of such notice.

        Under the employment agreements, a "change of control" means (i) a merger or consolidation of either us or PPI-California into another entity in which the stockholders of us or PPI-California (as applicable) do not control 50% or more of the total voting power of the surviving entity (other than a reincorporation merger); (ii) the sale, transfer or other disposition of all or substantially all of our

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assets in a liquidation or dissolution; or (iii) the sale or transfer of more than 50% of our outstanding voting stock. In the case of each of the foregoing clauses (i), (ii) and (iii), a change of control as a result of a financing transaction entered into by us or PPI-California shall not constitute a change of control for purposes of these agreements.

Services Agreement with MPM and Gary Patou

        In March 2009, we entered into a services agreement with Dr. Patou and MPM Asset Management LLC, or MPM AM. Pursuant to the services agreement, Dr. Gary Patou provided the services to us customarily expected of a chief medical officer. Mr. Patou's principal duties were to manage and lead our clinical team as well as oversee development of protocols and clinical trials designed to provide a path for regulatory approval of EXPAREL. In March 2010, we amended and restated the services agreement to, among other things, extend the term of the services until the deadline for filing the NDA for EXPAREL to October 15, 2010 or until either party gives 10 days prior written notice. In consideration of the services performed under the services agreement, we paid a service fee of $26,467 per month to MPM AM. In addition, we paid a bonus to Dr. Patou upon the successful completion of an NDA submission for EXPAREL.

        In October 2010, we entered into a new services agreement with Dr. Patou and MPM AM. Pursuant to this services agreement, Dr. Gary Patou continues to provide the services to us customarily expected of a chief medical officer. Dr. Patou's principal duties include obtaining approval for the EXPAREL NDA in the United States, filing the EXPAREL dossier in the European Union, developing additional clinical indications for EXPAREL and assisting with our product pipeline development. Under the new services agreement, we pay a service fee of $26,467 per month to MPM AM which is adjusted based on the total amount of time Dr. Patou devotes to us during the term of the services agreement. If we terminate our consulting relationship with Dr. Patou and MPM AM other than for "cause" or the consulting relationship is terminated by Dr. Patou and MPM AM for "good reason", then MPM AM will be entitled to continuation of the then effective monthly service fee for a period of nine months following the date of termination and Dr. Patou will be entitled to immediate vesting of the portion of the unvested options that would have vested during the nine month period following the date of termination, provided that the options granted to Dr. Patou in December 2010 are subject to additional vesting. In addition, if within 30 days prior to, or 12 months following, a "change of control," the consulting relationship is terminated other than for "cause" or for "good reason", then in addition to the service payments above, Dr. Patou will also be entitled to immediate vesting of the entire unvested portion of his stock options.

Stock Option and Other Compensation Plans

        In January 2007, our board of directors approved our 2007 Stock Option/Stock Issuance Plan, or the 2007 Plan. The 2007 Plan was approved by our stockholders in June 2007.

        We initially reserved 650,860 shares of our common stock for issuance under the 2007 Plan. In April 2008, our board of directors amended the 2007 Plan to, among other things, increase the number of authorized plan shares from 650,860 to 1,066,946 shares of our common stock. This increase was approved by our stockholders in May 2008. In September 2010, our board of directors further amended the 2007 Plan to increase the number of authorized plan shares from 1,066,946 to 1,729,498 shares of our common stock. This increase was approved by our stockholders in October 2010. In December 2010, our board of directors further amended the 2007 Plan to increase the number of authorized plan shares from 1,729,498 to 2,546,657 shares of our common stock. This increase was approved by our stockholders in December 2010.

        The material terms of the 2007 Plan are summarized below. The 2007 Plan will be filed as an exhibit to the registration statement of which this prospectus is a part.

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        Administration.    Our board of directors (or a committee of the board of directors) administers the 2007 Plan. Subject to the terms and conditions of the 2007 Plan, the administrator has the authority to select the persons to whom awards are to be made, to determine the type or types of awards to be granted to each person, determine the number of awards to grant, determine the number of shares to be subject to such awards, and the terms and conditions of such awards, and make all other determinations and decisions and to take all other actions necessary or advisable for the administration of the 2007 Plan. The plan administrator is also authorized to establish, adopt, amend or revise rules relating to administration of the 2007 Plan, subject to certain restrictions.

        Eligibility.    Options and restricted stock may be granted under the 2007 Plan to individuals who are then our employees, consultants or members of our board of directors or our subsidiaries. Only employees may be granted incentive stock options, or ISOs.

        Awards.    The 2007 Plan provides that our administrator may grant or issue stock options and restricted stock. The administrator considers each award grant subjectively, considering factors such as the individual performance of the recipient and the anticipated contribution of the recipient to the attainment of our long-term goals. Each award is set forth in a separate agreement with the person receiving the award and indicates the type, terms and conditions of the award.

        Corporate Transactions.    In the event of a change of control where the acquiror does not assume awards granted under the 2007 Plan, awards issued under the 2007 Plan may be subject to accelerated vesting (at the discretion of the plan administrator) such that 100% of the awards will become vested

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and exercisable or payable, as applicable, immediately prior to a change in control. Under the 2007 Plan, a change of control is generally defined as:

        Amendment of the 2007 Plan.    Our board of directors may amend or modify the 2007 Plan in any and all respects. However, stockholder approval of any amendment to the 2007 Plan must be obtained to the extent necessary and desirable to comply with any applicable law, regulation or stock exchange rule, or for any amendment to the 2007 Plan that increases the number of shares available under the 2007 Plan. The administrator may, with the consent of the affected option holders, cancel any or all outstanding awards under the 2007 Plan and grant new awards in substitution. The 2007 Plan will terminate on the tenth anniversary of the date of its initial approval by our board of directors.

        Our 2011 stock incentive plan, or the 2011 plan, was adopted by our board of directors and approved by our stockholders in December 2010. The 2011 plan provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards and other stock-based awards. The sum of (up to 2,546,657 shares) (x) the number of shares of our common stock reserved for issuance under the 2007 plan at such time, and (y) the number of shares of our common stock subject to awards granted under the 2007 plan that expire, terminate or are otherwise surrendered, cancelled, forfeited or repurchased by us pursuant to a contractual repurchase right, are reserved for issuance under the 2011 plan. In addition, the 2011 plan contains an "evergreen" provision, which allows for an increase in the number of shares available for issuance under the 2011 plan on the first day of each calendar year from 2012 through 2015. The annual increase in the number of shares shall be equal to the lesser of:

        Our employees, officers, directors, consultants and advisors are eligible to receive awards under our 2011 plan. The 2011 plan permits the grant of options, stock appreciation rights (SARs), restricted stock, restricted stock units and other stock-based awards. The exercise price of all stock options granted under the 2011 plan cannot be less than 100% of the fair market value of the common stock on the date of grant. In general, stock options granted under the 2011 plan will have a term of up to ten years. The measurement (base) price of SARs granted under the 2011 plan cannot be less than 100% of the fair market value of the common stock on the date of grant. SARs will have a term of up to ten years.

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        The 2011 plan is administered by the board of directors or another committee designated by the board of directors. Subject to limitations specified in the plan, the board or applicable committee to whom authority is delegated will select the recipients of awards and determine:

        Upon a merger or other reorganization event, our board of directors, may, in its sole discretion, take any one or more of the following actions pursuant to the 2011 plan, as to some or all outstanding awards other than restricted stock awards:

        Upon the occurrence of a reorganization event other than a liquidation or dissolution, the repurchase and other rights under each outstanding restricted stock award will continue for the benefit of the successor company and will, unless the board of directors may otherwise determine, apply to the cash, securities or other property into which our common stock is converted pursuant to the reorganization event. Upon the occurrence of a reorganization event involving a liquidation or dissolution, all conditions on each outstanding restricted stock award will automatically be deemed terminated or satisfied, unless otherwise provided in the agreement evidencing the restricted stock award.

        No award may be granted under the 2011 plan after December 29, 2020. Our board of directors may amend, suspend or terminate the 2011 plan at any time, subject to stockholder approval to the extent required by applicable law or stock market requirements.

        We maintain a 401(k) retirement plan that is intended to be a tax-qualified defined contribution plan under Section 401(k) of the Internal Revenue Code. In general, all of our employees are eligible to participate, beginning on the first day of the month following commencement of their employment. The 401(k) plan includes a salary deferral arrangement pursuant to which participants may elect to reduce their current compensation by up to the statutorily prescribed limit, equal to $16,500 in 2009, and have the amount of the reduction contributed to the 401(k) plan.

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Limitation of Liability and Indemnification

        As permitted by Delaware law, our restated certificate of incorporation and restated bylaws limit or eliminate the personal liability of our directors. Our restated certificate of incorporation limits the liability of directors to the maximum extent permitted by Delaware law. Delaware law provides that directors of a corporation will not be personally liable for monetary damages for breaches of their fiduciary duties as directors, except liability for:

        These limitations do not apply to liabilities arising under federal securities laws and do not affect the availability of equitable remedies, including injunctive relief or rescission. If Delaware law is amended to authorize the further elimination or limiting of director liability, then the liability of our directors will be eliminated or limited to the fullest extent permitted by Delaware law as so amended.

        As permitted by Delaware law, our restated certificate of incorporation and restated bylaws also provide that:

        The indemnification provisions contained in our restated certificate of incorporation and restated bylaws that will become effective upon the completion of this offering are not exclusive.

        In addition to the indemnification provided for in our restated certificate of incorporation and restated bylaws, we entered into indemnification agreements with each of our directors and executive officers. Each indemnification agreement provides that we will indemnify the director or executive officer to the fullest extent permitted by law for claims arising in his or her capacity as our director, officer, employee or agent, provided that he or she acted in good faith and in a manner that he or she reasonably believed to be in, or not opposed to, our best interests and, with respect to any criminal proceeding, had no reasonable cause to believe that his or her conduct was unlawful. In the event that we do not assume the defense of a claim against a director or executive officer, we are required to advance his or her expenses in connection with his or her defense, provided that he or she undertakes to repay all amounts advanced if it is ultimately determined that he or she is not entitled to be indemnified by us.

        We believe that these provisions and agreements are necessary to attract and retain qualified persons as directors and executive officers. Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers or persons controlling our company pursuant to the foregoing provisions, the opinion of the SEC is that such indemnification is against public policy as expressed in the Securities Act and is therefore unenforceable.

        In addition, we maintain standard policies of insurance under which coverage is provided to our directors and officers against losses rising from claims made by reason of breach of duty or other wrongful act, and to us with respect to payments which may be made by us to such directors and officers pursuant to the above indemnification provisions or otherwise as a matter of law.

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RELATED PERSON TRANSACTIONS

        The following is a description of transactions January 1, 2008 to which we have been a party, in which the amount involved in the transaction exceeds $120,000, and in which any of our directors, executive officers or beneficial owners of more than 5% of our voting securities, or affiliates or immediate family members of any of our directors, executive officers or beneficial owners of more than 5% of our voting securities, had or will have a direct or indirect material interest. We believe the terms obtained or consideration that we paid or received, as applicable, in connection with the transactions described below were comparable to terms available or the amounts that would be paid or received, as applicable, from unrelated third parties.

Debt Financings

        In January 2009, we sold $10.63 million in aggregate principal amount of convertible promissory notes, or the 2009 Convertible Notes, in a private placement to certain of our existing investors. In connection with the issuance of the 2009 Convertible Notes, we issued warrants to purchase an aggregate of 158,065 shares of our common stock with an exercise price of $2.69 per share. The 2009 Convertible Notes had an interest rate of 5% per year and all principal and accrued and unpaid interest on the 2009 Convertible Notes was due on December 31, 2010. In connection with entering into the Hercules Credit Facility, the maturity date was extended to the earliest of (1) a sale of us, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility (as described above) and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated. In connection with entering into the Hercules Credit Facility, the holders of the 2009 Convertible Notes entered into a subordination and intercreditor agreement with the lenders under the Hercules Credit Facility pursuant to which the 2009 Convertible Notes were subordinated to the Hercules Credit Facility. The holders of the 2009 Convertible Notes previously entered into a separate intercreditor agreement with the holders of the 2009 Secured Notes and the 2010 Secured Notes pursuant to which the 2009 Convertible Notes were subordinated to the 2009 Secured Notes and the 2010 Secured Notes, and the holders of the 2009 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        All principal and interest due under the 2009 Convertible Notes was converted into 871,635 shares of our common stock upon completion of our initial public offering.

        Purchasers of the 2009 Convertible Notes included certain holders of more than 5% of our capital stock, or entities affiliated with them. The following table sets forth the aggregate principal amount of 2009 Convertible Notes purchased by each such holder and the warrants received in connection with the purchase of the 2009 Convertible Notes.

Purchaser
  Aggregate Principal
Amount of Notes
  Number of Warrant
Shares
 

HBM BioVentures

  $ 2,500,000     37,192  

Entities affiliated with MPM Capital

    2,500,000     37,192  

Entities affiliated with OrbiMed Advisors

    2,500,000     37,192  

Entities affiliated with Sanderling Ventures

    2,500,000     37,191  

        In June 2009, we entered into an agreement with certain of our existing investors to issue $10.63 million in aggregate principal amount of secured notes, or the 2009 Secured Notes. To secure the performance of our obligations under the purchase agreement for the 2009 Secured Notes, we

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granted a security interest in substantially all of our assets, including our intellectual property assets, except the assets that secure our obligations under our agreement with Paul Capital. In connection with entering into the Hercules Credit Facility, the holders of the 2009 Secured Notes entered into a subordination and intercreditor agreement with the lenders under the Hercules Credit Facility pursuant to which the 2009 Secured Notes were subordinated to the Hercules Credit Facility. The holders of the 2009 Secured Notes previously entered into a separate intercreditor agreement with the holders of the 2009 Convertible Notes and the 2010 Secured Notes pursuant to which the 2009 Convertible Notes were subordinated to the 2009 Secured Notes and the 2010 Secured Notes, and the holders of the 2009 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        The 2009 Secured Notes had an interest rate of 12% per year and all principal and accrued and unpaid interest on the 2009 Secured Notes was due on December 31, 2010. In connection with entering into the Hercules Credit Facility, the maturity date was extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility (as described above) and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        All principal and interest due under the 2009 Secured Notes converted into 927,881 shares of our common stock upon completion of our initial public offering. Purchasers of the 2009 Secured Notes included certain holders of more than 5% of our capital stock, or entities affiliated with them. The following table sets forth the amount of notes purchased by each such holder and the date of purchase:

Date of Purchase
  Purchaser   Aggregate Principal Amount of
Notes Purchased on Such Date
 

August 4, 2009

  Entities affiliated with HBM BioVentures   $ 988,235  

  Entities affiliated with MPM Capital     988,235  

  Entities affiliated with OrbiMed Advisors     988,235  

  Entities affiliated with Sanderling Ventures     988,235  

September 1, 2009

 

Entities affiliated with HBM BioVentures

   
988,235
 

  Entities affiliated with MPM Capital     988,235  

  Entities affiliated with OrbiMed Advisors     988,235  

  Entities affiliated with Sanderling Ventures     988,235  

October 22, 2009

 

Entities affiliated with HBM BioVentures

   
523,529
 

  Entities affiliated with MPM Capital     523,529  

  Entities affiliated with OrbiMed Advisors     523,529  

  Entities affiliated with Sanderling Ventures     523,529  

        In March 2010, we entered into an agreement with certain of our existing investors to issue $15.0 million in aggregate principal amount of secured notes, or the 2010 Secured Notes, in a private placement and the investors purchased the entire $15.0 million of 2010 Secured Notes. To secure the performance of our obligations under the purchase agreement for the 2010 Secured Notes, we granted a subordinated security interest in substantially all of our assets, including our intellectual property assets, to the investors. In connection with entering into the Hercules Credit Facility, the holders of the 2010 Secured Notes entered into a subordination and intercreditor agreement with the lenders under the Hercules Credit Facility pursuant to which the 2010 Secured Notes were subordinated to the Hercules Credit Facility. The holders of the 2010 Secured Notes previously entered into a separate intercreditor agreement with the holders of the 2009 Convertible Notes and the 2009 Secured Notes pursuant to which the 2009 Convertible Notes were subordinated to the 2010 Secured Notes and the

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2009 Secured Notes, and the holders of the 2010 Secured Notes agreed to share payments pro rata with the holders of the 2009 Secured Notes.

        The 2010 Secured Notes had an interest rate of 5% per year and all principal and accrued and unpaid interest on the 2010 Secured Notes was due on December 31, 2010. In connection with entering into the Hercules Credit Facility, the maturity date was further extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility (as described above) and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        All principal and interest due under the 2010 Secured Notes was converted into 1,156,606 shares of our common stock upon completion of our initial public offering. Purchasers of the 2010 Secured Notes included certain holders of more than 5% of our capital stock, or entities affiliated with them. The following table sets forth the amount of notes purchased by each such holder and the date of purchase.

Date of Purchase
  Purchaser   Aggregate Principal Amount of
Notes Purchased on Such Date
 

March 10, 2010

  Entities affiliated with HBM BioVentures   $ 1,875,000  

  Entities affiliated with MPM Capital     1,875,000  

  Entities affiliated with OrbiMed Advisors     1,875,000  

  Entities affiliated with Sanderling Ventures     1,875,000  

June 30, 2010

 

Entities affiliated with HBM BioVentures

   
937,500
 

  Entities affiliated with MPM Capital     937,500  

  Entities affiliated with OrbiMed Advisors     937,500  

  Entities affiliated with Sanderling Ventures     937,500  

September 1, 2010

 

Entities affiliated with HBM BioVentures

   
937,500
 

  Entities affiliated with MPM Capital     937,500  

  Entities affiliated with OrbiMed Advisors     937,500  

  Entities affiliated with Sanderling Ventures     937,500  

HBM Term Loan

        On April 30, 2010, we entered into a subordinated secured note purchase agreement with entities affiliated with HBM BioVentures, or HBM, to issue $3.75 million in aggregate principal amount of secured notes, or the HBM Secured Notes, in a private placement. HBM purchased the entire $3.75 million of the HBM Secured Notes. To secure the performance of our obligations under the purchase agreement for the HBM Secured Notes, we granted a subordinated security interest in substantially all of our assets, including our intellectual property assets, other than the assets that secure our obligations under the Amended and Restated Royalty Interests Assignment Agreement. The HBM Secured Notes carry an interest rate of approximately 10% per year. In addition, the HBM Secured Notes require a final payment fee if they are prepaid prior to the maturity date. The maturity date of the HBM Secured Notes is the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility (as described above) and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated. In connection with entering into the Hercules Credit Facility, the holders of the HBM Secured Notes entered into a subordination and intercreditor agreement with the lenders under the Hercules Credit Facility pursuant to which the HBM Secured Notes were subordinated to the Hercules Credit Facility.

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        All principal and interest due under the HBM Secured Notes was converted into 308,655 shares of our common stock upon completion of our initial public offering. Purchasers of the HBM Secured Notes included certain holders of more than 5% of our capital stock, or entities affiliated with them.

December 2010 Convertible Notes

        On December 29, 2010, we sold $7.5 million in aggregate principal amount of convertible promissory notes, or the December 2010 Convertible Notes, in a private placement to certain of our existing investors. 50% of the principal amount was funded on December 29, 2010. In connection with the issuance and sale of the December 2010 Convertible Notes, we issued warrants to the holders of the December 2010 Convertible Notes to purchase an aggregate of 167,361 shares of our common stock with an exercise price of $13.44 per share. The December 2010 Convertible Notes had an interest rate of 5% per year from and after March 31, 2011 and all principal and accrued and unpaid interest on the December 2010 Convertible Notes is due and payable upon the earliest of: (1) a sale of us, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        Upon completion of our initial public offering, all principal and interest due under the December 2010 Convertible Notes was converted into shares of our common stock at a conversion price equal to the price per share of common stock sold in our initial public offering. Purchasers of the December 2010 Convertible Notes included certain holders of more than 5% of our capital stock, or entities affiliated with them.

        The following table sets forth the aggregate principal amount of December 2010 Convertible Notes purchased by each such holder and the warrants received in connection with the purchase of the December 2010 Convertible Notes.

Purchaser
  Aggregate
Principal Amount
of Notes
  Number of
Warrant Shares
 

HBM BioVentures

  $ 1,875,000     41,841  

Entities affiliated with MPM Capital

  $ 1,875,000     41,840  

Entities affiliated with OrbiMed Advisors

  $ 1,875,000     41,840  

Entities affiliated with Sanderling Ventures

  $ 1,875,000     41,840  

Stockholder Guarantee under Hercules Credit Facility

        On November 24, 2010, we entered into a $26.25 million credit facility with Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P., as lenders, or the Hercules Credit Facility. We borrowed under the Hercules Credit Facility an aggregate principal amount of $26.25 million.

        The Hercules Credit Facility is guaranteed by MPM Capital, Sanderling Ventures and OrbiMed Advisors, and entities affiliated with them, which are holders of more than 5% of our voting securities, on a several and not joint basis, which guarantee is limited to each such stockholder's pro rata portion of the outstanding principal and accrued and unpaid interest under the Hercules Credit Facility, but in no event to exceed $11.25 million in the aggregate. The obligations of these stockholders under the guarantee is not triggered until the earlier to occur of (i) 30 days after written notice from the agent that our obligations under the Hercules Credit Facility have been accelerated, and (ii) the occurrence of a bankruptcy or insolvency event with respect to the borrower under the Hercules Credit Facility, us or any of the guarantors. The guarantee by these stockholders of the Hercules Credit Facility also includes covenants that require each such investor to maintain at all times unfunded commitments from its fund investors in an amount equal to at least one and one-half times the maximum amount that the

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investor may be obligated for under the stockholder guarantee, and also includes certain control requirements with respect to such stockholders. The guarantee by these stockholders of the Hercules Credit Facility replaced the guarantee under the GECC Credit Facility which was terminated in November 2010.

Investors' Rights Agreement

        In March 2007, we entered into an investors' rights agreement with purchasers of our Series A convertible preferred stock. This agreement provides the purchasers of our Series A convertible preferred stock with certain rights relating to the registration of their shares of common stock issuable upon conversion of their Series A convertible preferred stock, a right of first offer to purchase future securities sold by us and certain additional covenants made by us. Except for the registration rights, all rights under this agreement will terminate upon completion of this offering. The registration rights will continue following the completion of this offering and will terminate five years following the completion of this offering, or for any particular holder with registration rights, at such time following the completion of this offering when all securities held by that stockholder may be sold pursuant to Rule 144 under the Securities Act. All holders of our Series A convertible preferred stock are parties to this agreement. See "Description of Capital Stock—Registration Rights" for additional information.

Employment Agreements

        We entered into employment agreements with the following executive officers and key employees: David Stack, our chief executive officer, James Scibetta, our chief financial officer, Mark Walters, our senior vice president, technical operations, William Lambert, our senior vice president, pharmaceutical development. For further information, see "Executive Compensation—Employment Agreements, Severance and Change in Control Arrangements."

Services Agreements

        We entered into a services agreement with Gary Patou, our chief medical officer, and MPM AM. For further information, see "Executive Compensation—Services Agreement with MPM and Gary Patou."

        In addition to the amounts paid to Gary Patou, MPM AM provides clinical management and subscription services to us. During the period from January 1, 2009 to December 31, 2010, we paid an aggregate of $33,999 to MPM AM for these services.

        In February 2008, we entered into a services agreement with Stack Pharmaceuticals, Inc., or SPI, an entity controlled by David Stack, our chief executive officer. Pursuant to the agreement, SPI provided us with the use of SPI's office facilities which included the use of office space for our employees, office furnishings, phone system, internet connections, printers and other related office amenities such as conference rooms. The office facilities are located at 5 Sylvan Way, Parsippany, New Jersey. Pursuant to the agreement, we paid SPI amounts ranging from $10,500 to $18,250 per month during the term of the services agreement. The term of the agreement was one year and was renewable upon consent of both parties and the agreement may be cancelled with 60 days written notice by either party. In February 2009, we renewed the agreement on a month-to-month basis, and we terminated this agreement in November 2011.

        In August 2010, we entered into a new services agreement with SPI that replaced the agreement that we entered into in February 2008. Pursuant to the new agreement, SPI provides us with the use of SPI's office facilities which includes the use of office space for our employees, office furnishings, phone system, internet connections, printers and other related office amenities such as conference rooms. In addition, SPI provides consulting services and commercial leadership related to EXPAREL regarding the development of strategic plans and analyses for the commercialization of EXPAREL, support in the

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development of documents, data and materials for investor and commercial partner presentations and documents, and commercial leadership in support of our website. SPI provides these services from time to time as we request from August 2010 through the termination of the Agreement in November 2011. We pay SPI $2,500 for each day of services provided by SPI up to a maximum of five days per week. We also reimburse SPI for travel expenses incurred by SPI personnel.

        In addition, during 2008, 2009, 2010 and 2011, upon our request, SPI performed various projects, all of which have been completed by SPI. These projects included a business analysis and commercial recommendation for our DepoDur product, a market research project related to the development of a DepoMethotrexate product, market research and forecasting in support of clinical development of EXPAREL for the potential additional indications of nerve block and epidural administration and reimbursement for access to Datamonitor reports for commercial analysis and partnering discussions regarding EXPAREL.

        During the period from January 1, 2009, through September 30, 2011, we have paid SPI an aggregate of $726,175 for the above services provided by SPI.

        In April 2010, we signed a statement of work for a feasibility study with Rhythm Pharmaceuticals, Inc. We earned contract revenue of approximately $290,000 from this statement of work during the period from April 2010 through September 30, 2011. MPM Capital and its affiliates are holders of more than 5% of our capital stock. We have been informed that MPM Capital and its affiliates are holders of more than 10% of the capital stock of Rhythm Pharmaceuticals, Inc. and a managing director of MPM Capital is a member of the board of directors of Rhythm Pharmaceuticals, Inc.

Indemnification of Officers and Directors

        Our amended and restated certificate of incorporation and amended and restated bylaws, provide that we indemnify each of our directors and officers to the fullest extent permitted by the Delaware General Corporation Law. Further, we have entered into indemnification agreements with each of our directors and officers, and we have purchased a policy of directors' and officers' liability insurance that insures our directors and officers against the cost of defense, settlement or payment of a judgment under certain circumstances. For further information, see "Executive Compensation—Limitation of Liability and Indemnification."

Policies and Procedures for Related Person Transactions

        Our board of directors has adopted a written related person transaction policy which sets forth the policies and procedures for the review and approval or ratification of related person transactions. This policy covers any transaction, arrangement or relationship, or any series of similar transactions, arrangements or relationships in which we were or are to be a participant, the amount involved exceeds $120,000, and a related person had or will have a direct or indirect material interest, including, without limitation, purchases of goods or services by or from the related person or entities in which the related person has a material interest, indebtedness, guarantees of indebtedness, and employment by us of a related person.

        Any related person transaction proposed to be entered into by us is required to be reported to our chief financial officer and will be reviewed and approved by the audit committee in accordance with the terms of the policy, prior to effectiveness or consummation of the transaction, whenever practicable. If our chief financial officer determines that advance approval of a related person transaction is not practicable under the circumstances, the audit committee will review and, in its discretion, may ratify the related person transaction at the next meeting of the audit committee, or at the next meeting following the date that the related person transaction comes to the attention of our chief financial officer. Our chief financial officer, however, may present a related person transaction arising in the

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time period between meetings of the audit committee to the chair of the audit committee, who will review and may approve the related person transaction, subject to ratification by the audit committee at the next meeting of the audit committee.

        In addition, any related person transaction previously approved by the audit committee or otherwise already existing that is ongoing in nature will be reviewed by the audit committee annually to ensure that such related person transaction has been conducted in accordance with the previous approval granted by the audit committee, if any, and that all required disclosures regarding the related person transaction are made.

        Transactions involving compensation of executive officers will be reviewed and approved by the compensation committee in the manner specified in the charter of the compensation committee.

        A related person transaction reviewed under this policy will be considered approved or ratified if it is authorized by the audit committee in accordance with the standards set forth in our related person transaction policy after full disclosure of the related person's interests in the transaction. As appropriate for the circumstances, the audit committee will review and consider:

        The audit committee reviews all relevant information available to it about the related person transaction. The audit committee may approve or ratify the related person transaction only if the audit committee determines that, under all of the circumstances, the transaction is in, or is not inconsistent with, our best interests. The audit committee may, in its sole discretion, impose conditions as it deems appropriate on us or the related person in connection with approval of the related person transaction.

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PRINCIPAL STOCKHOLDERS

        The following table sets forth information regarding the beneficial ownership of our common stock as of September 30, 2011, by:

        Beneficial ownership is determined in accordance with SEC rules. These rules generally attribute beneficial ownership of securities to persons who possess sole or shared voting power or investment power with respect to those securities and include shares of common stock issuable upon the exercise of stock options and warrants that are immediately exercisable or exercisable within 60 days after September 30, 2011. Except as otherwise indicated, all of the shares reflected in the table are shares of common stock and all persons listed below have sole voting and investment power with respect to the shares beneficially owned by them, subject to applicable community property laws. The information is not necessarily indicative of beneficial ownership for any other purpose.

        Percentage ownership calculations for beneficial ownership prior to this offering are based on 17,228,827 shares outstanding as of September 30, 2011 and 23,228,827 shares outstanding after the offering. Percentage ownership calculations for beneficial ownership after this offering also include the shares we are offering hereby. Except as otherwise indicated in the table below, addresses of named beneficial owners are in care of Pacira Pharmaceuticals, Inc., 5 Sylvan Way, Suite 125, Parsippany, New Jersey 07054.

        In computing the number of shares of common stock beneficially owned by a person and the percentage ownership of that person, we deemed shares of common stock subject to options and warrants held by that person that are currently exercisable or exercisable within 60 days of September 30, 2011 to be outstanding. We did not deem these shares outstanding, however, for the

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purpose of computing the percentage ownership of any other person. Beneficial ownership representing less than 1% is denoted with an asterisk (*).

Name and Address of Beneficial Owner
  Number of
Shares
Beneficially
Owned
  Percentage
Before the
Offering
  Percentage
After the
Offering
 

5% Stockholders

                   

HBM BioVentures (Cayman) Ltd.(1)

    3,205,334     18.5 %   13.8 %

MPM Capital and its affiliates(2)

    2,907,973     16.8 %   12.5 %

OrbiMed Advisors and its affiliates(3)

    2,907,973     16.8 %   12.5 %

Sanderling Ventures and its affiliates(4)

    3,000,952     17.3 %   12.9 %

Officers and Directors

                   

David Stack(5)

    242,391     1.4 %   1.0 %

James Scibetta(6)

    85,175     *     *  

Gary Patou(7)

    63,961     *     *  

William Lambert(8)

    52,790     *     *  

Mark Walters(9)

    41,259     *     *  

Laura Brege(10)

    3,125     *     *  

Luke Evnin(11)

    2,914,511     16.8 %   12.5 %

Paul Hastings(12)

    3,125     *     *  

John Longenecker(13)

    10,876     *     *  

Fred Middleton(14)

    3,007,490     17.4 %   12.9 %

Gary Pace(15)

    9,326     *     *  

Andreas Wicki(16)

    3,205,334     18.5 %   13.8 %

All current executive officers and directors as a group

    9,639,363     53.7 %   40.2 %

(1)
The address for HBM BioVentures (Cayman) Ltd. is Centennial Towers, Suite 305, 2454 West Bay Road, Grand Cayman, Cayman Islands, B.V.I. Consists of (i) 3,126,301 shares of common stock held by HBM BioVentures (Cayman) Ltd., and (ii) 79,033 shares of common stock issuable upon exercise of warrants held by HBM BioVentures (Cayman) Ltd. The board of directors of HBM BioVentures (Cayman) Ltd. has sole voting and investment power with respect to the shares held by such entity and acts by majority vote. The board of directors of HBM BioVentures (Cayman) Ltd. is comprised of John Arnold, Richard Coles, Sophia Harris, Dr. Andreas Wicki and John Urquhart, none of whom has individual voting or investment power with respect to such shares.

(2)
The address for funds managed by MPM Capital is 200 Clarendon St., 54th Floor, Boston, MA 02116. Consists of (i) 2,651,400 shares of common stock held by MPM BioVentures IV-QP, L.P., (ii) 102,147 shares of common stock held by MPM BioVentures IV GmbH & Co. Beteiligungs KG, (iii) 75,394 shares of common stock held by MPM Asset Management Investors BV4 LLC, (iv) 74,073 shares of common stock issuable upon exercise of warrants held by MPM BioVentures IV-QP, L.P., (v) 2,853 shares of common stock issuable upon exercise of warrants held by MPM BioVentures IV GmbH & Co. Beteiligungs KG, and (vi) 2,106 shares of common stock issuable upon exercise of warrants held by MPM Asset Management Investors BV4 LLC. Dr. Patou is a Managing Director of MPM Asset Management LLC. MPM Asset Management LLC is the Management Company of MPM BioVentures IV LLC. MPM BioVentures IV LLC is the Managing Member of MPM BioVentures IV GP LLC, which is the General Partner of MPM BioVentures IV-QP, LP. and the Managing Limited Partner of MPM BioVentures IV GmbH & Co. Beteiligungs KG. MPM BioVentures IV LLC is the Manager of MPM Asset Management Investors BV4 LLC. Dr. Evnin is a Member of MPM BioVentures IV LLC. Dr. Evnin has a shared power to vote, acquire, hold and dispose of all shares and warrants. Dr. Evnin disclaims beneficial ownership of the securities except to the extent of their pecuniary interest therein.

(3)
The address for funds managed by OrbiMed Advisors is 767 3rd Avenue, 30th Floor, New York, NY 10017. Consists of (i) 2,802,254 shares of common stock held by OrbiMed Private Investments

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(4)
The address for funds managed by Sanderling Ventures is 400 South El Camino Real, Suite 1200, San Mateo, California 94402. Consists of (i) 1,382,562 shares of common stock held by Sanderling Venture Partners VI, L.P., (ii) 48,621 shares of common stock held by Sanderling VI Beteiligungs GmbH & Co. KG, (iii) 179,975 shares of common stock held by Sanderling VI Limited Partnership, (iv) 1,212,167 shares of common stock held by Sanderling Venture Partners VI Co-Investment Fund, L.P., (v) 98,596 shares of common stock held by Sanderling Ventures Management VI, (vi) 38,193 shares of common stock issuable upon exercise of warrants held by Sanderling Venture Partners VI, L.P., (vii) 1,337 shares of common stock issuable upon exercise of warrants held by Sanderling VI Beteiligungs GmbH & Co. KG, (viii) 1,593 shares of common stock issuable upon exercise of warrants held by Sanderling VI Limited Partnership, and (ix) 37,908 shares of common stock issuable upon exercise of warrants held by Sanderling Venture Partners VI Co-Investment Fund, L.P. Mr. Middleton is a managing director of Middleton, McNeil, Mills & Associates VI, LLC, which has the ultimate voting and investment power over shares held of record by Sanderling Venture Partners VI, L.P., Sanderling VI Beteiligungs GmbH & Co. KG, Sanderling VI Limited Partnership and Sanderling Venture Partners VI Co-Investment Fund, L.P. and he may be deemed to have voting and investment power over shares held of record by Sanderling Venture Partners VI, L.P., Sanderling VI Beteiligungs GmbH & Co. KG, Sanderling VI Limited Partnership and Sanderling Venture Partners VI Co-Investment Fund, L.P. Mr. Middleton is the owner of Sanderling Ventures Management VI and he may be deemed to have voting and investment power over shares held of record by Sanderling Ventures Management VI. Mr. Middleton disclaims beneficial ownership over the shares held by Sanderling Ventures and its affiliates, except to the extent of his pecuniary interest therein.

(5)
Consists of (i) 2,000 shares of common stock held by Mr. Stack, (ii) 18,596 shares of common stock held by Stack Schroon Mohawk FLP and (iii) 221,795 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011. Mr. Stack is the general partner of Stack Schroon Mohawk FLP.

(6)
Consists of (i) 5,000 shares of common stock and (ii) 80,175 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(7)
Consists of 63,961 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(8)
Consists of 52,790 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(9)
Consists of 41,259 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(10)
Consists of 3,125 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(11)
The address for funds managed by MPM Capital is 200 Clarendon St., 54th Floor, Boston, MA 02116. Consists of (i) 3,126,301 shares of common stock held by MPM BioVentures IV-QP, L.P., (ii) 102,147 shares of common stock held by MPM BioVentures IV GmbH & Co. Beteiligungs KG, (iii) 75,394 shares of common stock held by MPM Asset Management Investors BV4 LLC,

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(12)
Consists of 3,125 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(13)
Consists of 10,876 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(14)
Consists of (i) 1,382,562 shares of common stock held by Sanderling Venture Partners VI, L.P., (ii) 48,621 shares of common stock held by Sanderling VI Beteiligungs GmbH & Co. KG, (iii) 179,975 shares of common stock held by Sanderling VI Limited Partnership, (iv) 1,212,167 shares of common stock held by Sanderling Venture Partners VI Co-Investment Fund, L.P., (v) 98,596 shares of common stock held by Sanderling Ventures Management VI, (vi) 38,193 shares of common stock issuable upon exercise of warrants held by Sanderling Venture Partners VI, L.P., (vii) 1,337 shares of common stock issuable upon exercise of warrants held by Sanderling VI Beteiligungs GmbH & Co. KG, (viii) 1,593 shares of common stock issuable upon exercise of warrants held by Sanderling VI Limited Partnership, (ix) 37,908 shares of common stock issuable upon exercise of warrants held by Sanderling Venture Partners VI Co-Investment Fund, L.P., and (x) 6,538 shares of common stock issuable upon exercise of stock options held by Mr. Middleton that are exercisable within 60 days of September 30, 2011. Mr. Middleton is a managing director of Middleton, McNeil, Mills & Associates VI, LLC, which has the ultimate voting and investment power over shares held of record by Sanderling Venture Partners VI, L.P., Sanderling VI Beteiligungs GmbH & Co. KG, Sanderling VI Limited Partnership and Sanderling Venture Partners VI Co-Investment Fund, L.P. and he may be deemed to have voting and investment power over shares held of record by Sanderling Venture Partners VI, L.P., Sanderling VI Beteiligungs GmbH & Co. KG, Sanderling VI Limited Partnership and Sanderling Venture Partners VI Co-Investment Fund, L.P. Mr. Middleton is the owner of Sanderling Ventures Management VI and he may be deemed to have voting and investment power over shares held of record by Sanderling Ventures Management VI. Mr. Middleton disclaims beneficial ownership over the shares held by Sanderling Ventures and its affiliates, except to the extent of his pecuniary interest therein.

(15)
Consists of 9,326 shares of common stock issuable upon exercise of stock options within 60 days of September 30, 2011.

(16)
Consists of (i) 3,126,301 shares of common stock held by HBM BioVentures (Cayman) Ltd., and (ii) 79,033 shares of common stock issuable upon exercise of warrants held by HBM BioVentures (Cayman) Ltd. The board of directors of HBM BioVentures (Cayman) Ltd. has sole voting and investment power with respect to the shares by held by such entity and acts by majority vote. The board of directors of HBM BioVentures (Cayman) Ltd. is comprised of John Arnold, Richard Coles, Sophia Harris, Dr. Andreas Wicki and John Urquhart, none of whom has individual voting or investment power with respect to such shares.

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DESCRIPTION OF CAPITAL STOCK

General

        Our authorized capital stock consists of 250,000,000 shares of common stock, par value $0.001 per share, and 5,000,000 shares of preferred stock, par value $0.001 per share, all of which preferred stock is undesignated.

        The following description of our capital stock and provisions of our restated certificate of incorporation and bylaws are summaries and are qualified by reference to the certificate of incorporation and bylaws. Copies of these documents are filed with the SEC as exhibits to the Current Report of Form 8-K dated February 11, 2011.

Preferred Stock

        Under the terms of our restated certificate of incorporation, our board of directors is authorized to issue shares of preferred stock in one or more series without stockholder approval. Our board of directors has the discretion to determine the rights, preferences, privileges and restrictions, including voting rights, dividend rights, conversion rights, redemption privileges and liquidation preferences, of each series of preferred stock.

        The purpose of authorizing our board of directors to issue preferred stock and determine its rights and preferences is to eliminate delays associated with a stockholder vote on specific issuances. The issuance of preferred stock, while providing flexibility in connection with possible acquisitions, future financings and other corporate purposes, could have the effect of making it more difficult for a third party to acquire, or could discourage a third party from seeking to acquire, a majority of our outstanding voting stock.

Common Stock

        As of September 30, 2011, there were 17,228,827 shares of our common stock outstanding, held of record by 37 stockholders.

        Voting Rights.    Each holder of common stock is entitled to one vote per share on all matters properly submitted to a vote of the stockholders, including the election of directors. Our restated certificate of incorporation and bylaws do not provide for cumulative voting rights. Because of this, the holders of a majority of the shares of common stock entitled to vote in any election of directors can elect all of the directors standing for election, if they should so choose. An election of directors by our stockholders is determined by a plurality of the votes cast by stockholders entitled to vote on the election.

        Dividends.    Subject to preferences that may be applicable to any then outstanding preferred stock, the holders of our outstanding shares of common stock are entitled to receive dividends, if any, as may be declared from time to time by our board of directors out of legally available funds.

        Liquidation.    In the event of our liquidation, dissolution or winding up, holders of common stock will be entitled to share ratably in the net assets legally available for distribution to stockholders after the payment of all of our debts and other liabilities, subject to the satisfaction of any liquidation preference granted to the holders of any outstanding shares of preferred stock.

        Rights and Preferences.    Holders of our common stock have no preemptive, conversion or subscription rights, and there are no redemption or sinking fund provisions applicable to our common stock. The rights, preferences and privileges of holders of common stock are subject to and may be adversely affected by the rights of the holders of shares of any series of preferred stock that we may designate and issue in the future.

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Stock Options

        As of September 30, 2011, options to purchase 2,332,287 shares of common stock at a weighted average exercise price of $3.72 per share were outstanding.

Warrants

        There are 11 warrants outstanding to purchase an aggregate of 158,065 shares of common stock, each at an exercise price of $2.69 per share and each of which expire on January 21, 2014 and two warrants to purchase an aggregate of 23,244 shares of common stock, each at an exercise price of $13.44 per share and each of which expires on the earlier of (i) July 2, 2016 or (ii) the fifth anniversary of our initial public offering. In addition, there are outstanding warrants to purchase 178,986 shares of common stock at an exercise price of $13.44 per share, which expire upon the earlier to occur of (i) November 24, 2020 or (ii) five years following the effective date of the registration statement for our initial public offering. Furthermore, there are additional outstanding warrants to purchase 167,361 shares of common stock at an exercise price of $13.44 per share, each of which expires on December 29, 2017.

        Each of the warrants also contains provisions for the adjustment of the exercise price and the aggregate number of shares issuable upon the exercise of the warrant in the event of stock dividends, split-ups, reclassifications, mergers, consolidations, combinations or exchanges of shares, separations, reorganizations or liquidations.

        The holders of the warrants to purchase common stock are entitled to registration rights under our Investors' Rights Agreement, as described in more detail under "Description of Capital Stock—Registration Rights."

Registration Rights

        Upon the completion of this offering, holders of a total of 11,437,875 shares of our common stock as of September 30, 2011, including shares of our common stock issuable upon exercise of outstanding warrants will have the right to require us to register these shares under the Securities Act, under specified circumstances, pursuant to the terms of an Investor Rights Agreement between us and these holders of our common stock. After registration pursuant to these rights, these shares will become freely tradable without restriction under the Securities Act. These registration rights will terminate upon the earlier of (i) the date that is five years following our initial public offering or, (ii) for any particular holder with registration rights, at such time following this offering when all of our securities held by that stockholder may be sold pursuant to Rule 144 under the Securities Act.

        Demand and Form S-3 Registration Rights.    Subject to specified limitations, the holders of at least thirty percent of the shares of our common stock that converted to common stock from our Series A convertible preferred stock in connection with our initial public offering having registration rights may demand that we register all or a portion of their registrable shares under the Securities Act. We are not obligated to file a registration statement pursuant to this provision:

        In addition, the holders of our registrable shares may demand that we register on Form S-3 all or a portion of the registrable shares held by them. We are not obligated to file a Form S-3 pursuant to this provision on more than two occasions in any 12-month period.

        Incidental Registration Rights.    If we propose to file a registration statement to register any of our securities under the Securities Act, either for our own account or for the account of any of our

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stockholders, the holders of our registrable shares are entitled to notice of registration and are entitled to include their shares of common stock in the registration.

        Limitations and Expenses.    In the event that any registration in which the holders of registrable shares participate pursuant to the Investor Rights Agreement is an underwritten public offering, the number of registrable shares to be included may, in specified circumstances, be limited due to market conditions. Pursuant to the Investor Rights Agreement, we are required to pay all registration expenses, including the fees and expenses of one counsel to represent the selling holders, other than any underwriting discounts, selling commissions and similar discounts relating to underwriters or commissions related to sales, related to any demand or incidental registration. We are also required to indemnify each participating holder with respect to each registration of registrable shares that is effected.

Delaware Anti-Takeover Law and Provisions of Our Restated Certificate of Incorporation and Our Bylaws

        Delaware Anti-Takeover Law.    We are subject to Section 203 of the DGCL. Section 203 generally prohibits a public Delaware corporation from engaging in a "business combination" with an "interested stockholder" for a period of three years after the date of the transaction in which the person became an interested stockholder, unless the interested stockholder attained such status with the approval of our board of directors, the business combination is approved in a prescribed manner or the interested stockholder acquired at least 85% of our outstanding voting stock in the transaction in which it became an interested stockholder. A "business combination" includes, among other things, a merger or consolidation involving us and the "interested stockholder" and the sale of more than 10% of our assets. In general, an "interested stockholder" is any entity or person beneficially owning 15% or more of our outstanding voting stock and any entity or person affiliated with or controlling or controlled by such entity or person.

        Restated Certificate of Incorporation and Bylaws.    Provisions of our restated certificate of incorporation and our bylaws may delay or discourage transactions involving an actual or potential change of control or change in our management, including transactions in which stockholders might otherwise receive a premium for their shares, or transactions that our stockholders might otherwise deem to be in their best interests. Therefore, these provisions could adversely affect the price of our common stock. Among other things, our restated certificate of incorporation and our bylaws:

        The amendment of any of these provisions by the stockholders would require the approval of the holders at least 662/3% of our then outstanding common stock.

Listing on The NASDAQ Global Market

        Our common stock is listed on The NASDAQ Global Market under the symbol "PCRX."

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Authorized but Unissued Shares

        The authorized but unissued shares of common stock and preferred stock are available for future issuance without stockholder approval, subject to any limitations imposed by the Nasdaq Marketplace Rules. These additional shares may be used for a variety of corporate finance transactions, acquisitions and employee benefit plans. The existence of authorized but unissued and unreserved common stock and preferred stock could make it more difficult or discourage an attempt to obtain control of us by means of a proxy contest, tender offer, merger or otherwise.

Transfer Agent and Registrar

        The transfer agent and registrar for our common stock is Computershare Trust Company, N.A.

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SHARES ELIGIBLE FOR FUTURE SALE

        Future sales of significant amounts of our common stock, including shares issued upon exercise of outstanding options or warrants, in the public market after this offering, or the anticipation of those sales, could adversely affect public market prices prevailing from time to time and could impair our ability to raise capital through sales of our equity securities. Our common stock is listed on The Nasdaq Global Market under the symbol "PCRX."

        Upon the completion of this offering, we will have outstanding an aggregate of 23,228,827 shares of common stock. Of these shares, all 6,000,000 shares sold in this offering will be freely tradable without restriction or further registration under the Securities Act, except for any shares purchased by our "affiliates," as that term is defined in Rule 144 under the Securities Act, whose sales would be subject to the Rule 144 resale restrictions described below, other than the holding period requirement.

        11,217,983 shares of common stock will be "restricted securities," as that term is defined in Rule 144 under the Securities Act. Of these restricted securities, 8,092,188 will be subject to the 90-day lock-up period described below. After the 90-day lock-up period these restricted securities are eligible for public sale only if they are registered under the Securities Act or if they qualify for an exemption from registration under Rules 144 or 701 under the Securities Act, which are summarized below.

        In addition, of the 2,332,287 shares of our common stock that were subject to stock options outstanding as of September 30, 2011, options to purchase 758,243 shares of common stock were exercisable as of September 30, 2011 and, upon exercise, these shares will be eligible for sale subject to the lock-up agreements and securities laws described below. The 527,656 shares of our common stock that were subject to warrants outstanding as of September 30, 2011, were exercisable as of September 30, 2011 and, assuming a cashless exercise, these shares will be eligible for sale subject to the lock-up agreements and securities laws described below.

Rule 144

        In general, a person who has beneficially owned shares of our common stock for at least six months would be entitled to sell their shares of common stock in the public market provided that (i) such person is not deemed to have been one of our affiliates at the time of, or at any time during the three months preceding, a sale and (ii) we are and have been subject to the Exchange Act periodic reporting requirements for at least 90 days before the sale and have filed all required reports during that time period. In addition, a person who has beneficially owned shares of our common stock for at least 12 months would be entitled to sell their shares of common stock in the public market provided that such person is not deemed to have been one of our affiliates at the time of, or at any time during the three months preceding, a sale. Persons who have beneficially owned shares of our common stock for at least six months but who are our affiliates at the time of, or any time during the three months preceding, a sale, would be subject to additional restrictions, by which such person would be entitled to sell within any three-month period only a number of shares that does not exceed the greater of either of the following:

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        Approximately 14,326,068 shares of our common stock that are not subject to the lock-up agreements described below will be eligible for sale immediately upon the completion of this offering.

        Upon expiration of the 90-day lock-up period described below, approximately 8,092,188 shares of our common stock will be eligible for sale under Rule 144, including shares eligible for resale immediately upon the completion of this offering as described above. We cannot estimate the number of shares of our common stock that our existing stockholders will elect to sell under Rule 144.

Rule 701

        In general, under Rule 701, any of an issuer's employees, directors, officers, consultants or advisors who purchases shares from the issuer in connection with a compensatory stock or option plan or other written agreement before the effective date of a registration statement under the Securities Act is entitled to sell such shares 90 days after such effective date in reliance on Rule 144. An affiliate of the issuer can resell shares in reliance on Rule 144 without having to comply with the holding period requirement, and non-affiliates of the issuer can resell shares in reliance on Rule 144 without having to comply with the current public information and holding period requirements.

        The SEC has indicated that Rule 701 will apply to typical stock options granted by an issuer before it becomes subject to the reporting requirements of the Exchange Act, along with the shares acquired upon exercise of such options, including exercises after an issuer becomes subject to the reporting requirements of the Exchange Act.

Lock-up Agreements

        Our officers and directors and the holders of more than 5% of our outstanding shares of capital stock have agreed with the underwriters, subject to certain exceptions, not to dispose of or hedge any of their common stock or securities convertible into or exchangeable for shares of common stock for a period through the date 90 days after the date of this prospectus, as modified as described below, except with the prior written consent of Barclays Capital Inc. and Jefferies & Company, Inc. on behalf of the underwriters.

        The 90-day restricted period will be automatically extended or reduced under the following circumstances: (1) during the last 17 days of the 90-day restricted period, if we issue an earnings release or announce material news or a material event, the restrictions described in the preceding paragraph will continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the announcement of the material news or material event; or (2) prior to the expiration of the 90-day restricted period, if we announce that we will release earnings results or other material news during the 16-day period following the last day of the 90-day period, the restrictions described in the preceding paragraph will continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or other material news.

Stock Options and Warrants

        As of September 30, 2011, we had outstanding options to purchase 2,332,287 shares of common stock, of which options to purchase 758,243 shares of common stock were vested as of September 30, 2011. As of September 30, 2011, we also had outstanding and exercisable warrants to purchase 527,656 shares of common stock.

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CERTAIN MATERIAL U.S. FEDERAL TAX CONSIDERATIONS

        The following is a general discussion of the material U.S. federal income and estate tax considerations applicable to non-U.S. holders with respect to their ownership and disposition of shares of our common stock issued pursuant to this offering. This discussion is not tax advice. Accordingly, all prospective non-U.S. holders of our common stock should consult their own tax advisors with respect to the U.S. federal, state, local and non-U.S. tax consequences of the purchase, ownership and disposition of our common stock. In general, a non-U.S. holder means a beneficial owner of our common stock who is not for U.S. federal income tax purposes:

        This discussion is based on current provisions of the U.S. Internal Revenue Code of 1986, as amended, which we refer to as the Code, existing and proposed U.S. Treasury Regulations promulgated thereunder, current administrative rulings and judicial decisions, publicly available and in effect as of the date of this prospectus, all of which are subject to change and to differing interpretation, possibly with retroactive effect. Any change or differing interpretation could alter the tax consequences to non-U.S. holders described in this prospectus. We assume in this discussion that a non-U.S. holder holds shares of our common stock as a capital asset, generally property held for investment.

        This discussion does not address all aspects of U.S. federal income and estate taxation that may be relevant to a particular non-U.S. holder in light of that non-U.S. holder's individual circumstances nor does it address any aspects of U.S. state, local or non-U.S. taxes. This discussion also does not consider any specific facts or circumstances that may apply to a non-U.S. holder and does not address the special tax rules applicable to particular non-U.S. holders, such as:

        In addition, this discussion does not address the tax treatment of partnerships or persons who hold their common stock through partnerships or other pass-through entities for U.S. federal income tax

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purposes. A partner in a partnership or other pass-through entity that will hold our common stock should consult his, her or its own tax advisor regarding the tax consequences of acquiring, holding and disposing of our common stock through a partnership or other pass-through entity, as applicable.

        There can be no assurance that the Internal Revenue Service, which we refer to as the IRS, will not challenge one or more of the tax consequences described herein, and we have not obtained, nor do we intend to obtain, an opinion of counsel with respect to the U.S. federal income or estate tax consequences to a non-U.S. holder of the purchase, ownership or disposition of our common stock.

Distributions on Our Common Stock

        Distributions on our common stock generally will constitute dividends for U.S. federal income tax purposes to the extent paid from our current or accumulated earnings and profits, as determined under U.S. federal income tax principles. If a distribution exceeds our current and accumulated earnings and profits, the excess will be treated as a tax-free return of the non-U.S. holder's investment, up to such holder's tax basis in the common stock. Any remaining excess will be treated as capital gain, subject to the tax treatment described below in "Gain on Sale, Exchange or Other Disposition of Our Common Stock."

        Dividends paid to a non-U.S. holder generally will be subject to withholding of U.S. federal income tax at a 30% rate or such lower rate as may be specified by an applicable income tax treaty between the United States and such holder's country of residence. If we determine, at a time reasonably close to the date of payment of a distribution on our common stock, that the distribution will not constitute a dividend because we do not anticipate having current or accumulated earnings and profits, we intend not to withhold any U.S. federal income tax on the distribution as permitted by U.S. Treasury Regulations. If we or another withholding agent withholds tax on such a distribution, a non-U.S. holder may be entitled to a refund of any excess tax withheld, which the non-U.S. holder may claim by timely filing a U.S. tax return with the IRS.

        Dividends that are treated as effectively connected with a trade or business conducted by a non-U.S. holder within the United States and, if an applicable income tax treaty so provides, that are attributable to a permanent establishment or a fixed base maintained by the non-U.S. holder within the United States, are generally exempt from the 30% withholding tax if the non-U.S. holder satisfies applicable certification and disclosure requirements. However, such U.S. effectively connected income, net of specified deductions and credits, is taxed at the same graduated U.S. federal income tax rates applicable to U.S. persons (as defined in the Code). Any U.S. effectively connected income received by a non-U.S. holder that is a corporation may also, under certain circumstances, be subject to an additional "branch profits tax" at a 30% rate or such lower rate as may be specified by an applicable income tax treaty between the United States and such holder's country of residence.

        A non-U.S. holder of our common stock who claims the benefit of an applicable income tax treaty between the United States and such holder's country of residence generally will be required to provide a properly executed IRS Form W-8BEN (or successor form) and satisfy applicable certification and other requirements. Non-U.S. holders are urged to consult their tax advisors regarding their entitlement to benefits under a relevant income tax treaty.

        A non-U.S. holder that is eligible for a reduced rate of U.S. withholding tax under an income tax treaty may obtain a refund or credit of any excess amounts withheld by timely filing a U.S. tax return with the IRS.

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Gain on Sale, Exchange or Other Disposition of Our Common Stock

        In general, a non-U.S. holder will not be subject to any U.S. federal income tax or withholding tax on any gain realized upon such holder's sale, exchange or other disposition of shares of our common stock unless:

U.S. Federal Estate Tax

        Shares of our common stock that are owned or treated as owned at the time of death by an individual who is not a citizen or resident of the United States, as specifically defined for U.S. federal estate tax purposes, are considered U.S. situs assets and will be included in the individual's gross estate for U.S. federal estate tax purposes. Such shares, therefore, may be subject to U.S. federal estate tax, unless an applicable estate tax or other treaty provides otherwise.

Backup Withholding and Information Reporting

        We must report annually to the IRS and to each non-U.S. holder the gross amount of the distributions on our common stock paid to such holder and the tax withheld, if any, with respect to such distributions. Non-U.S. holders may have to comply with specific certification procedures to

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establish that the holder is not a U.S. person (as defined in the Code) in order to avoid backup withholding at the applicable rate, currently 28%, with respect to dividends on our common stock. Dividends paid to non-U.S. holders subject to the U.S. withholding tax, as described above in "Distributions on Our Common Stock," generally will be exempt from U.S. backup withholding.

        Information reporting and backup withholding will generally apply to the proceeds of a disposition of our common stock by a non-U.S. holder effected by or through the U.S. office of any broker, U.S. or foreign, unless the holder certifies its status as a non-U.S. holder and satisfies certain other requirements, or otherwise establishes an exemption. Generally, information reporting and backup withholding will not apply to a payment of disposition proceeds to a non-U.S. holder where the transaction is effected outside the United States through a non-U.S. office of a broker. However, for information reporting purposes, dispositions effected through a non-U.S. office of a broker with substantial U.S. ownership or operations generally will be treated in a manner similar to dispositions effected through a U.S. office of a broker. Non-U.S. holders should consult their own tax advisors regarding the application of the information reporting and backup withholding rules to them.

        Copies of information returns may be made available to the tax authorities of the country in which the non-U.S. holder resides or is incorporated under the provisions of a specific treaty or agreement.

        Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules from a payment to a non-U.S. holder can be refunded or credited against the non-U.S. holder's U.S. federal income tax liability, if any, provided that an appropriate claim is timely filed with the IRS.

        Recently enacted legislation imposes withholding taxes on certain types of payments made to "foreign financial institutions" and certain other non-U.S. entities. Under this legislation, the failure to comply with additional certification, information reporting and other specified requirements could result in withholding tax being imposed on payments of dividends and sales proceeds to U.S. holders who own shares of our common stock through foreign accounts or foreign intermediaries and certain non-U.S. holders. The legislation imposes a 30% withholding tax on dividends on, or gross proceeds from the sale or other disposition of, our common stock paid to a foreign financial institution or to a foreign non-financial entity, unless (1) the foreign financial institution undertakes certain diligence and reporting obligations or (2) the foreign non-financial entity either certifies it does not have any substantial U.S. owners or furnishes identifying information regarding each substantial U.S. owner. In addition, if the payee is a foreign financial institution, it must enter into an agreement with the U.S. Treasury requiring, among other things, that it undertake to identify accounts held by certain U.S. persons or U.S.-owned foreign entities, annually report certain information about such accounts and withhold 30% on payments to account holders whose actions prevent it from complying with these reporting and other requirements. The legislation is effective with respect to payments made after December 31, 2012, but recent IRS guidance generally indicates that, under future regulations, the 30% withholding tax will only apply to payments of dividends on our common stock made after December 31, 2013 and payments of gross proceeds from a sale or other disposition of our common stock made after December 31, 2014. Prospective investors should consult their tax advisors regarding this legislation.

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UNDERWRITING

        Barclays Capital Inc. and Jefferies & Company, Inc. are acting as the representatives of the underwriters and the joint book-running managers of this offering. Under the terms of an underwriting agreement, which is filed as an exhibit to the registration statement, each of the underwriters named below has severally agreed to purchase from us the respective number of common stock shown opposite its name below:

Underwriters
  Number of
Shares
 

Barclays Capital Inc. 

       

Jefferies & Company, Inc. 

       

Piper Jaffray & Co. 

       

Wedbush Securities Inc. 

       

Brean Murray, Carret & Co., LLC

       
       
 

Total

    6,000,000  
       

        The underwriting agreement provides that the underwriters' obligation to purchase shares of common stock depends on the satisfaction of the conditions contained in the underwriting agreement including:

Commissions and Expenses

        The following table summarizes the underwriting discounts and commissions we will pay to the underwriters. These amounts are shown assuming both no exercise and full exercise of the underwriters' option to purchase additional shares. The underwriting fee is the difference between the initial price to the public and the amount the underwriters pay to us for the shares.

 
  No Exercise   Full
Exercise
 

Per share

  $     $    

Total

             

        The representatives of the underwriters have advised us that the underwriters propose to offer the shares of common stock directly to the public at the public offering price on the cover of this prospectus and to selected dealers, which may include the underwriters, at such offering price less a selling concession not in excess of $            per share. After the offering, the representatives may change the offering price and other selling terms. Sales of shares made outside of the United States may be made by affiliates of the underwriters.

        The expenses of the offering that are payable by us are estimated to be $0.5 million (excluding underwriting discounts and commissions).

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Option to Purchase Additional Shares

        We have granted the underwriters an option exercisable for 30 days after the date of this prospectus, to purchase, from time to time, in whole or in part, up to an aggregate of 900,000 shares at the public offering price less underwriting discounts and commissions. This option may be exercised if the underwriters sell more than 6,000,000 shares in connection with this offering. To the extent that this option is exercised, each underwriter will be obligated, subject to certain conditions, to purchase its pro rata portion of these additional shares based on the underwriter's percentage underwriting commitment in the offering as indicated in the table at the beginning of this Underwriting section.

Lock-Up Agreements

        We, all of our directors and executive officers and holders of more than 5% of our outstanding stock have agreed that, subject to certain exceptions, without the prior written consent of each of Barclays Capital Inc. and Jefferies & Company, Inc., we will not directly or indirectly, (1) offer for sale, sell, pledge, or otherwise dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by any person at any time in the future of) any shares of our common stock (including, without limitation, shares of our common stock that may be deemed to be beneficially owned by us or them in accordance with the rules and regulations of the Securities and Exchange Commission and shares of common stock that may be issued upon exercise of any options or warrants) or securities convertible into or exercisable or exchangeable for our common stock, (2) enter into any swap or other derivatives transaction that transfers to another, in whole or in part, any of the economic benefits or risks of ownership of the shares of our common stock, (3) make any demand for or exercise any right or file or cause to be filed a registration statement, including any amendments thereto, with respect to the registration of any shares of our common stock or securities convertible, exercisable or exchangeable into shares of our common stock or any of our other securities, or (4) publicly disclose the intention to do any of the foregoing for a period of 90 days after the date of this prospectus.

        The 90-day restricted period described in the preceding paragraph will be extended if:

in which case the restrictions described in the preceding paragraph will continue to apply until the expiration of the 18-day period beginning on the issuance of the earnings release or the announcement of the material news or occurrence of a material event, unless such extension is waived in writing by Barclays Capital Inc. and

        Our lock-up agreement permits us to offer, without the prior written consent of each of Barclays Capital Inc. and Jefferies & Company, Inc., (1) our common stock issued in this offering, (2) shares of our common stock or other securities issued pursuant to employee benefit plans, stock option plans or other employee compensation plans or arrangements existing as of the date of this prospectus or pursuant to currently outstanding options, warrants or rights whether or not issued under one of those plans, and (3) shares of our common stock or other securities issued in connection with acquisitions, strategic partnerships or lending, leasing or other commercial transactions, in each case, subject to the recipient of such shares of our common stock or other securities agreeing to be subject to substantially the same restrictions as those contained in lock-up agreements described above.

        Barclays Capital Inc. and Jefferies & Company, Inc., in their sole discretion, may release the common stock and other securities subject to the lock-up agreements described above in whole or in part at any time with or without notice. When determining whether or not to release common stock and other securities from lock-up agreements, Barclays Capital Inc. and Jefferies & Company, Inc. will

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consider, among other factors, the holder's reasons for requesting the release, the number of shares of common stock and other securities for which the release is being requested and market conditions at the time.

Indemnification

        We have agreed to indemnify the underwriters against certain liabilities under the Securities Act relating to losses or claims resulting from material misstatements in or omissions from this prospectus, the registration statement of which this prospectus forms a part, certain free writing prospectuses that may be used in the offering and in any marketing materials used in connection with the offering, and to contribute to payments that the underwriters may be required to make for these liabilities.

Stabilization, Short Positions and Penalty Bids

        The representatives may engage in stabilizing transactions, short sales and purchases to cover positions created by short sales, and penalty bids or purchases for the purpose of pegging, fixing or maintaining the price of the common stock, in accordance with Regulation M under the Securities Exchange Act of 1934, as amended:

        These stabilizing transactions, syndicate covering transactions and penalty bids may have the effect of raising or maintaining the market price of our common stock or preventing or retarding a decline in the market price of the common stock. As a result, the price of the common stock may be higher than the price that might otherwise exist in the open market. These transactions may be effected on The NASDAQ Global Market or otherwise and, if commenced, may be discontinued at any time.

        Neither we nor any of the underwriters make any representation or prediction as to the direction or magnitude of any effect that the transactions described above may have on the price of the common stock. In addition, neither we nor any of the underwriters make representation that the representatives will engage in these stabilizing transactions or that any transaction, once commenced, will not be discontinued without notice.

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Passive Market Making

        In connection with the offering, underwriters and selling group members may engage in passive market making transactions in the common stock on The NASDAQ Global Market in accordance with Rule 103 of Regulation M under the Securities Exchange Act of 1934, as amended, during the period before the commencement of offers or sales of common stock and extending through the completion of distribution. A passive market maker must display its bids at a price not in excess of the highest independent bid of the security. However, if all independent bids are lowered below the passive market maker's bid that bid must be lowered when specified purchase limits are exceeded.

Electronic Distribution

        A prospectus in electronic format may be made available on the Internet sites or through other online services maintained by one or more of the underwriters and/or selling group members participating in this offering, or by their affiliates. In those cases, prospective investors may view offering terms online and, depending upon the particular underwriter or selling group member, prospective investors may be allowed to place orders online. The underwriters may agree with us to allocate a specific number of shares for sale to online brokerage account holders. Any such allocation for online distributions will be made by the representatives on the same basis as other allocations.

        Other than the prospectus in electronic format, the information on any underwriter's or selling group member's web site and any information contained in any other web site maintained by an underwriter or selling group member is not part of the prospectus or the registration statement of which this prospectus forms a part, has not been approved and/or endorsed by us or any underwriter or selling group member in its capacity as underwriter or selling group member and should not be relied upon by investors.

Stamp Taxes

        If you purchase shares of common stock offered in this prospectus, you may be required to pay stamp taxes and other charges under the laws and practices of the country of purchase, in addition to the offering price listed on the cover page of this prospectus.

Relationships

        Certain of the underwriters and/or their affiliates may in the future engage in commercial and investment banking transactions with us in the ordinary course of their business. They expect to receive customary compensation and expense reimbursement for these commercial and investment banking transactions.

Selling Restrictions

        In relation to each Member State of the European Economic Area which has implemented the Prospectus Directive (each, a "Relevant Member State"), each underwriter has represented and agreed that with effect from and including the date on which the Prospectus Directive is implemented in that Relevant Member State (the "Relevant Implementation Date") it has not made and will not make an offer of the securities which are the subject of the offering contemplated by this prospectus to the public in that Relevant Member State other than:

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provided that no such offer of the securities shall require the issuer or any underwriter to publish a prospectus pursuant to Article 3 of the Prospectus Directive.

        For the purposes of this provision, the expression an "offer of securities to the public" in relation to any securities in any Relevant Member State means the communication in any form and by any means of sufficient information on the terms of the offer and the securities to be offered so as to enable an investor to decide to purchase or subscribe the securities, as the same may be varied in that Member State by any measure implementing the Prospectus Directive in that Member State, the expression "Prospectus Directive" means Directive 2003/71/EC (and amendments thereto, including the 2010 PD Amending Directive, to the extent implemented in the Relevant Member State), and includes any relevant implementing measure in the Relevant Member State and the expression "2010 PD Amending Directive" means Directive 2010/73/EU.

        Each underwriter has also represented and agreed that:

        No prospectus or other disclosure document (as defined in the Corporations Act 2001 (Cth) of Australia ("Corporations Act")) in relation to the securities has been or will be lodged with the Australian Securities & Investments Commission ("ASIC"). This document has not been lodged with ASIC and is only directed to certain categories of exempt persons. Accordingly, if you receive this document in Australia:

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and to the extent that you are unable to confirm or warrant that you are an exempt sophisticated investor, associated person or professional investor under the Corporations Act any offer made to you under this document is void and incapable of acceptance; and

        The securities may not be offered or sold in Hong Kong, by means of any document, other than (a) to "professional investors" as defined in the Securities and Futures Ordinance (Cap. 571, Laws of Hong Kong) and any rules made under that Ordinance or (b) in other circumstances which do not result in the document being a "prospectus" as defined in the Companies Ordinance (Cap. 32, Laws of Hong Kong) or which do not constitute an offer to the public within the meaning of that Ordinance. No advertisement, invitation or document relating to the securities may be issued or may be in the possession of any person for the purpose of the issue, whether in Hong Kong or elsewhere, which is directed at, or the contents of which are likely to be read by, the public in Hong Kong (except if permitted to do so under the laws of Hong Kong) other than with respect to the securities which are intended to be disposed of only to persons outside Hong Kong or only to "professional investors" as defined in the Securities and Futures Ordinance (Cap. 571, Laws of Hong Kong) or any rules made under that Ordinance.

        This prospectus has not been and will not be registered as a prospectus with the Registrar of Companies in India or with the Securities and Exchange Board of India. This prospectus or any other material relating to these securities is for information purposes only and may not be circulated or distributed, directly or indirectly, to the public or any members of the public in India and in any event to not more than 50 persons in India. Further, persons into whose possession this prospectus comes are required to inform themselves about and to observe any such restrictions. Each prospective investor is advised to consult its advisors about the particular consequences to it of an investment in these securities. Each prospective investor is also advised that any investment in these securities by it is subject to the regulations prescribed by the Reserve Bank of India and the Foreign Exchange Management Act and any regulations framed thereunder.

        No securities registration statement ("SRS") has been filed under Article 4, Paragraph 1 of the Financial Instruments and Exchange Law of Japan (Law No. 25 of 1948, as amended) ("FIEL") in relation to the securities. The securities are being offered in a private placement to "qualified institutional investors" (tekikaku-kikan-toshika) under Article 10 of the Cabinet Office Ordinance concerning Definitions provided in Article 2 of the FIEL (the Ministry of Finance Ordinance No. 14, as amended) ("QIIs"), under Article 2, Paragraph 3, Item 2 i of the FIEL. Any QII acquiring the securities in this offer may not transfer or resell those shares except to other QIIs.

        The securities may not be offered, sold and delivered directly or indirectly, or offered or sold to any person for reoffering or resale, directly or indirectly, in Korea or to any resident of Korea except

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pursuant to the applicable laws and regulations of Korea, including the Korea Securities and Exchange Act and the Foreign Exchange Transaction Law and the decrees and regulations thereunder. The securities have not been registered with the Financial Services Commission of Korea for public offering in Korea. Furthermore, the securities may not be resold to Korean residents unless the purchaser of the securities complies with all applicable regulatory requirements (including but not limited to government approval requirements under the Foreign Exchange Transaction Law and its subordinate decrees and regulations) in connection with the purchase of the securities.

        This prospectus has not been registered as a prospectus with the Monetary Authority of Singapore. Accordingly, this prospectus and any other document or material in connection with the offer or sale, or invitation for subscription or purchase, of the securities may not be circulated or distributed, nor may the securities be offered or sold, or be made the subject of an invitation for subscription or purchase, whether directly or indirectly, to persons in Singapore other than (i) to an institutional investor under Section 274 of the Securities and Future Act, Chapter 289 of Singapore (the "SFA"), (ii) to a "relevant person" as defined in Section 275(2) of the SFA, or any person pursuant to Section 275 (1A), and in accordance with the conditions, specified in Section 275 of the SFA or (iii) otherwise pursuant to, and in accordance with the conditions of, any other applicable provision of the SFA.

        Where the securities are subscribed and purchased under Section 275 of the SFA by a relevant person which is:

shares, debentures and units of shares and debentures of that corporation or the beneficiaries' rights and interest (howsoever described) in that trust shall not be transferable within six months after that corporation or that trust has acquired the securities under Section 275 of the SFA except:

        By accepting this prospectus, the recipient hereof represents and warrants that he is entitled to receive it in accordance with the restrictions set forth above and agrees to be bound by limitations contained herein. Any failure to comply with these limitations may constitute a violation of law.

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LEGAL MATTERS

        The validity of the shares of common stock offered hereby is being passed upon for us by Wilmer Cutler Pickering Hale and Dorr LLP, Palo Alto, California. The underwriters are represented by Latham & Watkins LLP, New York, New York, in connection with certain legal matters related to this offering.


EXPERTS

        The consolidated financial statements as of December 31, 2009 and 2010 and for each of the three years in the period ended December 31, 2010 included in this prospectus have been audited by J.H. Cohn LLP, an independent registered public accounting firm, as stated in their report appearing elsewhere in this prospectus. Such consolidated financial statements are included in reliance upon the report of such firm given on the authority of said firm as experts in accounting and auditing.


WHERE YOU CAN FIND MORE INFORMATION

        We have filed with the SEC a registration statement on Form S-1 under the Securities Act with respect to the shares of common stock to be sold in the offering. This prospectus, which constitutes part of the registration statement, does not include all of the information contained in the registration statement and the exhibits, schedules and amendments to the registration statement. Some items are omitted in accordance with the rules and regulations of the SEC. For further information with respect to us and our common stock, we refer you to the registration statement and to the exhibits and schedules to the registration statement filed as part of the registration statement. Statements contained in this prospectus about the contents of any contract or any other document filed as an exhibit are not necessarily complete, and, and in each instance, we refer you to the copy of the contract or other documents filed as an exhibit to the registration statement. Each of theses statements is qualified in all respects by this reference.

        You may read and copy the registration statement of which this prospectus is a part at the SEC's public reference room, which is located at 100 F Street, NE, Room 1580, Washington, D.C. 20549. You can request copies of the registration statement by writing to the SEC and paying a fee for the copying cost. Please call the SEC at 1-800-SEC-0330 for more information about the operation of the SEC's public reference room. In addition, the SEC maintains an Internet website, which is located at www.sec.gov, that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC. You may access the registration statement of which this prospectus is a part at the SEC's Internet website.

        We are subject to the full informational and periodic reporting requirements of the Exchange Act. We file periodic reports and other information with the SEC. We furnish our stockholders with annual reports containing consolidated financial statements certified by an independent registered public accounting firm. We also maintain a website at www.pacira.com. Our website is not a part of this prospectus.

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Table of Contents

Pacira Pharmaceuticals, Inc.

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm

  F-2

Consolidated Balance Sheets as of December 31, 2010 and 2009

  F-3

Consolidated Statements of Operations Years Ended December 31, 2010, 2009, and 2008

  F-4

Consolidated Statements of Stockholders' Equity (Deficit) Years Ended December 31, 2010, 2009 and 2008

  F-5

Consolidated Statements of Cash Flows Years Ended December 31, 2010, 2009, and 2008

  F-6

Notes to Consolidated Financial Statements

  F-7

Consolidated Balance Sheets (Unaudited) as of September 30, 2011 and December 31, 2010

  F-42

Consolidated Statements of Operations (Unaudited) Nine Months Ended September 30, 2011 and 2010

  F-43

Consolidated Statement of Stockholders' Equity (Deficit) (Unaudited) Nine Months Ended September 30, 2011

  F-44

Consolidated Statements of Cash Flows (Unaudited) Nine Months Ended September 30, 2011 and 2010

  F-45

Notes to Condensed Consolidated Financial Statements (Unaudited)

  F-46

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Table of Contents

Pacira Pharmaceuticals, Inc.

Report of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders
Pacira Pharmaceuticals, Inc.

        We have audited the consolidated balance sheets of Pacira Pharmaceuticals, Inc. and Subsidiaries as of December 31, 2010 and 2009, and the related consolidated statements of operations, stockholders' equity (deficit) and cash flows for each of the three years in the period ended December 31, 2010. These consolidated financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits.

        We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

        In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Pacira Pharmaceuticals, Inc. and Subsidiaries as of December 31, 2010 and 2009, and their results of operations and cash flows for each of the three years in the period ended December 31, 2010, in conformity with accounting principles generally accepted in the United States of America.

/s/ J.H. Cohn LLP

Roseland, New Jersey
March 31, 2011

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Table of Contents


Pacira Pharmaceuticals, Inc.

Consolidated Balance Sheets

as of December 31, 2010 and 2009

 
  December 31,  
 
  2010   2009  
 
  (in thousands, except share and per share amounts)
 

ASSETS

             

Current assets:

             
 

Cash and cash equivalents

  $ 26,133   $ 7,077  
 

Restricted cash

    1,314     1,216  
 

Trade accounts receivable

    1,191     1,455  
 

Inventories

    1,605     1,729  
 

Prepaid expenses and other current assets

    812     1,072  
           
   

Total current assets

    31,055     12,549  

Fixed assets, net

    23,950     19,560  

Intangibles, net

    8,912     11,178  

Other assets, net

    2,645     667  
           
   

Total assets

  $ 66,562   $ 43,954  
           

LIABILITIES AND STOCKHOLDERS' DEFICIT

             

Current liabilities:

             
 

Accounts payable

  $ 6,038   $ 6,994  
 

Accrued expenses

    3,260     3,478  
 

Current portion of royalty interest obligation

    1,575     1,599  
 

Current portion of deferred revenue

    2,267     2,346  
 

Current portion of long-term debt

    3,182      
           
   

Total current liabilities

    16,322     14,417  

Related party debt, including accrued interest

    49,795     22,173  

Long-term debt

    21,869      

Royalty interest obligation, excluding current portion

    2,996     3,647  

Deferred revenue, excluding current portion

    18,138     20,387  

Contingent purchase liability

    2,042     2,042  

Deferred rent

    1,331     1,177  

Other long-term liabilities

    2,452     3,060  
           
   

Total liabilities

    114,945     66,903  
           

Commitments and contingencies

             

Stockholders' deficit:

             
 

Preferred stock, par value $0.001, 88,000,000 shares authorized, 6,322,640 issued and outstanding at December 31, 2010 and 2009 (liquidation preference of $85,000,000)

    6     6  
 

Common stock, par value $0.001, 120,000,000 shares authorized, 575,095 shares issued and 574,030 shares outstanding at December 31, 2010; 573,920 shares issued and outstanding at December 31, 2009

    1     1  
 

Additional paid-in capital

    88,523     86,806  
 

Accumulated deficit

    (136,911 )   (109,762 )
           

    (48,381 )   (22,949 )
 

Less: treasury stock, 1,065 shares at cost

    (2 )    
           
   

Total stockholders' deficit

    (48,383 )   (22,949 )
           
   

Total liabilities and stockholders' deficit

  $ 66,562   $ 43,954  
           

See accompanying notes to consolidated financial statements

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Pacira Pharmaceuticals, Inc.

Consolidated Statements of Operations

Years Ended December 31, 2010, 2009, and 2008

 
  Years Ended December 31,  
 
  2010   2009   2008  
 
  (in thousands, except share
and per share data)

 

Revenues:

                   
 

Supply revenue

  $ 7,640   $ 6,324   $ 6,852  
 

Royalties

    3,705     4,044     3,648  
 

Collaborative licensing and development revenue

    3,217     4,638     3,425  
               
   

Total revenues

    14,562     15,006     13,925  
               

Operating expenses:

                   
 

Cost of revenues

    12,276     12,301     17,463  
 

Research and development

    18,628     26,233     33,214  
 

Selling, general and administrative

    6,030     5,020     8,611  
               
   

Total operating expenses

    36,934     43,554     59,288  
               

Loss from operations

    (22,372 )   (28,548 )   (45,363 )

Other income

    150     367     (224 )

Loss on early extinguishment of debt

    (184 )        

Interest:

                   
 

Interest income

    146     77     235  
 

Interest expense

    (3,959 )   (1,723 )    
 

Royalty interest obligation

    (930 )   (1,880 )   3,490  
               

Net loss

  $ (27,149 ) $ (31,707 ) $ (41,862 )
               
 

Basic and diluted net loss per common share

  $ (47.29 ) $ (55.32 ) $ (79.23 )
 

Weighted average common shares outstanding—basic and diluted

    574,072     573,118     528,357  

See accompanying notes to consolidated financial statements

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Pacira Pharmaceuticals, Inc.

Consolidated Statements of Stockholders' Equity (Deficit)

Years Ended December 31, 2010, 2009 and 2008

 
  Preferred Stock   Common Stock    
   
   
   
 
 
  Additional
Paid-In
Capital
  Accumulated
Deficit
  Treasury
Stock
   
 
 
  Shares   Amount   Shares   Amount   Total  
 
  (in thousands)
 

Balances, January 1, 2008

    3,347   $ 3     465   $ 1   $ 45,126   $ (36,193 ) $   $ 8,937  
 

Issuance of preferred stock

    2,975     3                 39,997                 40,000  
 

Exercise of stock options

                107         173                 173  
 

Share-based compensation

                            242                 242  
 

Net loss

                        (41,862 )       (41,862 )
                                   

Balances, December 31, 2008

    6,322     6     572     1     85,538     (78,055 )       7,490  
 

Exercise of stock options

                2         3                 3  
 

Share-based compensation

                            524                 524  
 

Issue of warrants to landlord

                            204                 204  
 

Debt discount from beneficial conversion features and issuance of warrants with convertible notes

                            537                 537  
 

Net loss

                        (31,707 )       (31,707 )
                                   

Balances, December 31, 2009

    6,322     6     574     1     86,806     (109,762 )       (22,949 )
 

Exercise of stock options

                1         2                 2  
 

Share-based compensation

                            23                 23  
 

Purchase of treasury stock

                                        (2 )   (2 )
 

Value of warrants issued with debt and beneficial conversion feature

                            1,692                 1,692  
 

Net loss

                        (27,149 )       (27,149 )
                                   

Balances, December 31, 2010

    6,322   $ 6     575   $ 1   $ 88,523   $ (136,911 ) $ (2 ) $ (48,383 )
                                   

See accompanying notes to consolidated financial statements

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Pacira Pharmaceuticals, Inc.

Consolidated Statements of Cash Flows

Years Ended December 31, 2010, 2009, and 2008

 
  Years Ended December 31,  
 
  2010   2009   2008  
 
  (in thousands)
 

Operating activities:

                   
 

Net loss

  $ (27,149 ) $ (31,707 ) $ (41,862 )
 

Adjustments to reconcile net loss to net cash used in operating activities:

                   
   

Depreciation and amortization

    4,071     4,146     4,227  
   

Amortization of other assets and unfavorable lease obligation

    35     (314 )   (396 )
   

Amortization of note discounts and warrants

    146     600      
   

Impairment loss

            125  
   

Loss on disposal of fixed assets

    11     1,707     301  
   

Share-based compensation

    23     524     242  
   

Change in royalty interest obligation

    (675 )   185     (5,183 )
   

Changes in operating assets and liabilities:

                   
     

Restricted cash

    (98 )   (34 )   248  
     

Trade accounts receivable

    264     1,130     (1,562 )
     

Inventories

    124     299     277  
     

Other current assets

    146     244     (40 )
     

Accounts payable

    (612 )   (4,438 )   4,807  
     

Other liabilities

    1,009     2,724     (2,122 )
     

Deferred revenue

    (2,329 )   3,793     11,303  
     

Deferred rent

    154     303     446  
               

Net cash used in operating activities

    (24,880 )   (20,838 )   (29,189 )
               

Investing activities:

                   
 

Purchase of fixed assets

    (6,770 )   (5,509 )   (5,840 )
 

Proceeds from sale of fixed assets

    1         2  
               

Net cash used in investing activities

    (6,769 )   (5,509 )   (5,838 )
               

Financing activities:

                   
 

Proceeds from issuance of preferred stock

            40,000  
 

Proceeds from exercise of stock options and issuance of common stock

    2     3     173  
 

Purchase of treasury stock

    (2 )        
 

Proceeds from convertible notes

    7,500     10,625      
 

Proceeds from secured promissory notes and credit facility

    56,250     10,625      
 

Payoff of credit facility

    (11,250 )        
 

Financing costs

    (1,795 )   (215 )    
               

Net cash provided by financing activities

    50,705     21,038     40,173  
               

Net increase (decrease) in cash and cash equivalents

    19,056     (5,309 )   5,146  

Cash and cash equivalents, beginning of year

    7,077     12,386     7,240  
               

Cash and cash equivalents, end of year

  $ 26,133   $ 7,077   $ 12,386  
               

Supplemental cash flow information

                   
 

Cash paid for interest

  $ 2,097   $ 1,714   $ 1,692  

Non cash investing and financing activities:

                   
 

Accrual for repurchase of intangibles

  $   $ 323   $ 294  
 

Accrued fixed asset purchases

  $   $ 2,254   $ 3,682  
 

Value of warrants issued with debt and beneficial conversion feature

  $ 1,692   $ 537   $  
 

Value of warrants issued to landlord

  $   $ 204   $  
 

Accrued financing cost

  $ 500   $   $  

See accompanying notes to consolidated financial statements

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements

1.    BUSINESS

        Pacira Pharmaceuticals, Inc., and its subsidiaries (collectively, the "Company" or "Pacira") is an emerging specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products, based on its proprietary DepoFoam drug delivery technology, for use in hospitals and ambulatory surgery centers.

        The Company was incorporated in Delaware under the name Blue Acquisition Corp. in December 2006 and changed its name to Pacira, Inc. in June 2007. In October 2010, the Company changed its name to Pacira Pharmaceuticals, Inc. Pacira Pharmaceuticals, Inc. is the holding company for the Company's California operating subsidiary of the same name, which we refer to as PPI-California.

        As further discussed in Note 4, on March 24, 2007, or the Acquisition Date, MPM Capital, Sanderling Ventures, OrbiMed Advisors, HBM BioVentures, the Foundation for Research and their co-investors, or the Investors, through Pacira Pharmaceuticals, Inc., acquired PPI-California, from SkyePharma Holding, Inc., which we refer to as the Acquisition. PPI-California was known as SkyePharma, Inc. prior to the Acquisition.

        The Company is subject to risks common to companies in similar industries and stages of development, including, but not limited to, competition from larger companies, reliance on revenue from few customers and products, new technological innovations, dependence on key personnel, reliance on third-party service providers and vendors, protection of proprietary technology, and compliance with government regulations.

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

        The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries PPI-California and Pacira Limited. Pacira Limited was incorporated in the United Kingdom and its functional currency is the U.S. dollar. Intercompany accounts and transactions have been eliminated in consolidation. The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. The Company has incurred losses and negative operating cash flows since inception and future losses are anticipated. As described in Note 18, the Company has raised $42 million of gross proceeds, before offering costs, through an initial public offering completed on February 8, 2011. Although the offering and our cash resources provide the Company adequate funding for the next 12 months, the longer-term ability of the Company to continue as a going concern is dependent on improving the Company's profitability and cash flows and securing additional financing.

        On January 12, 2011, the board of directors of the Company approved, and on January 12, 2011 the stockholders of the Company approved, a one-for-10.755 reverse stock split of the Company's outstanding common stock, which was effected on January 12, 2011. Stockholders entitled to fractional shares as a result of the reverse stock split will receive a cash payment for such fractional shares within 180 days following the effective date of the reverse stock split in lieu of receiving fractional shares. The

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

reverse stock split affected all holders of the Company's preferred stock and common stock uniformly. Shares of common stock underlying outstanding stock options were proportionately reduced and the respective exercise prices of the stock options were proportionately increased in accordance with the terms of the agreements governing such securities. Shares of common stock reserved for issuance upon the conversion of the Company's series A preferred stock and convertible notes were proportionately reduced and the respective conversion prices were proportionately increased. All references to preferred and common stock and per share information, except par value and authorized shares, in these consolidated financial statements and notes have been adjusted to reflect the effects of the reverse stock split.

        The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires the use of estimates and assumptions that affect the reported amounts of assets and liabilities, including disclosure of contingent assets and contingent liabilities, at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. The Company's critical accounting policies are those that are both most important to the Company's consolidated financial condition and results of operations and require the most difficult, subjective or complex judgments on the part of management in their application, often as a result of the need to make estimates about the effect of matters that are inherently uncertain. Because of the uncertainty of factors surrounding the estimates or judgments used in the preparation of the consolidated financial statements, actual results may materially vary from these estimates.

        All highly-liquid investments with maturities of 90 days or less when purchased are considered cash equivalents.

        As further discussed in Note 10, the Company has entered into a financing agreement with Royalty Securitization Trust I ("RST") for the sale of a royalty interest in its DepoCyt(e) and DepoDur supply revenue and royalties. As part of this financing agreement, the Company and RST maintain a lockbox, where all DepoCyt(e) and DepoDur supply revenue and royalties are received. The Company has no minimum payment obligations under this agreement. Commencing on April 1 of every year, the first $2.5 million received in the lockbox is restricted and will be used to make quarterly payments due to RST, if any, under the agreement during the subsequent 12 month period. On March 31 of the subsequent year, the balance of cash in the lockbox, if any, is remitted to Pacira. The RST agreement terminates on December 31, 2014. The royalty interest agreement pertains only to DepoCyt(e) and DepoDur, and does not include revenue related to EXPAREL or any other product candidates.

        Financial instruments which potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains its cash and cash equivalents with high-credit quality financial institutions. At times, such amounts may exceed

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Federal insured limits. At December 31, 2010, the Company had cash and cash equivalent balances in excess of Federally insured limits in the amount of approximately $1.3 million. The Company performs ongoing credit evaluations of its customers, as warranted, and generally does not require collateral. Revenues from the supply of manufactured product for the Company's commercial partners, royalties, contractual services provided to its collaboration partners and licensing and development fees are primarily derived from major pharmaceutical companies that generally have significant cash resources. Allowances for doubtful accounts receivable are maintained based on historical payment patterns, aging of accounts receivable and actual write-off history. As of December 31, 2010 and 2009, no allowances for doubtful accounts were deemed necessary by the Company on its trade accounts receivable.

        The Company's customers are its commercial and collaborative and licensing partners. For the year ended December 31, 2010, the Company's three largest customers accounted for 49%, 21% and 13%, respectively, of the Company's net revenues. For the year ended December 31, 2009, the Company's three largest customers accounted for 44%, 23%, 20%, respectively, of the Company's net revenues. For the year ended December 31, 2008, the Company's four largest customers accounted for 46%, 20%, 16% and 12%, respectively, of the Company's net revenues. No other individual customers accounted for more than 10% of net revenues. As of December 31, 2010, the Company's three largest customers accounted for 66%, 17% and 11%, respectively, of the Company's trade accounts receivables. As of December 31, 2009, the Company's three largest customers accounted for 56%, 26% and 13%, respectively, of the Company's trade accounts receivables. The Company is dependent on these commercial partners to market and sell DepoCyt(e) and DepoDur, from which a substantial portion of its revenues is derived; therefore, the Company's future revenues from these products are highly dependent on these collaboration and distribution arrangements.

        Domestic net revenues for the years ended December 31, 2010, 2009 and 2008 accounted for 48%, 52% and 48% of the Company's net revenues, respectively. Export revenues for the years ended December 31, 2010, 2009 and 2008 accounted for 52%, 48% and 52% of the Company's net revenues, respectively.

        Inventories consist of finished goods held for sale and distribution, raw materials and work in process, and are stated at the lower of cost, which includes amounts related to material, labor and overhead, and is determined using the first-in, first-out ("FIFO") method, or market (net realizable) value. The Company periodically reviews its inventory to identify obsolete, slow-moving or otherwise unsalable inventories, and establishes allowances for situations in which the cost of the inventory is not expected to be recovered. Overhead costs associated with excess manufacturing capacity are charged to cost of revenue, as incurred.

        Fixed assets are recorded at cost, net of accumulated depreciation and amortization. The Company reviews its property, plant and equipment assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Depreciation of fixed assets is provided over their estimated useful lives on a straight-line basis. Leasehold

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

improvements are amortized on a straight-line basis over the shorter of their estimated useful lives or the related lease terms. Useful lives by asset category are as follows:

Asset Category
  Years

Manufacturing and laboratory equipment

  5 to 10 years

Computer equipment and software

 

1 to 3 years

Office furniture and equipment

 

5 years

Leasehold improvements

 

1 to 9 years (up to the lease term)

        Intangible assets are recorded at cost, net of accumulated amortization. Amortization of intangible assets is provided over their estimated useful lives on a straight-line basis. Management reviews long-lived assets, including fixed assets, for impairment whenever events or changes in circumstances indicate the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to future undiscounted net cash flows expected to be generated by the asset. If such assets are considered to be impaired, the impairment to be recognized is measured as the amount by which the carrying amount of the assets exceeds the fair value of the assets. Fair value for the Company's long-lived assets is determined using the expected cash flows discounted at a rate commensurate with the risk involved.

        During April 2009, the Company initiated a payables settlement program with its trade creditors using various settlement arrangements. As of April 30, 2009, total outstanding unsecured trade payables subject to these settlement arrangements were $14.3 million. These creditors agreed to settle their outstanding balances for an aggregate of $12.5 million resulting in reduction in payables of $1.8 million. The Company has recorded a $1.3 million reduction to the carrying amount of fixed assets and included a $0.4 million gain in other income on the Company's consolidated statement of operations for the year ended December 31, 2009 and $0.1 million gain in other income on the Company's consolidated statement of operations for the year ended December 31, 2010. As of December 31, 2010, $3.3 million related to these settlement arrangements remained outstanding and was included in accounts payable in the Company's consolidated balance sheet.

        Realized gains and losses from foreign currency transactions are reflected in the consolidated statements of operations and were not significant in any period in the years ended December 31, 2010, 2009 or 2008. All foreign currency receivables and payables are measured at the applicable exchange rate at the end of the reporting period.

        The Company uses the asset and liability method of accounting for income taxes. Deferred tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized. As of December 31, 2010 and 2009, all deferred tax assets were fully offset by a valuation allowance.

        The Company accrues interest and penalties, if any, on underpayment of income taxes related to unrecognized tax benefits as a component of income tax expense in its consolidated statements of operations.

        Supply Revenue—The Company recognizes revenue from products manufactured and supplied to its commercial partners, when the following four basic revenue recognition criteria under the related accounting guidance are met: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred or services have been rendered; (3) the fee is fixed or determinable; and (4) collectability is reasonably assured. The product can be returned within contracted specified time frames if it does not meet the applicable inspection tests. The Company estimates its return reserves based on its experience of historical return rates.

        Royalties—The Company recognizes revenue from royalties based on sales of its products into the marketplace by its commercial partners. Royalties are recognized as earned in accordance with contract terms when they can be reasonably estimated and collectability is reasonably assured. The Company's commercial partners are obligated to report their net product sales and the resulting royalty due to the Company within 60 days from the end of each quarter. Based on historical product sales, royalty receipts and other relevant information, the Company accrues royalty revenue each quarter.

        Collaborative licensing and development revenue—The Company recognizes revenue from reimbursements received in connection with feasibility studies and development work for third parties who desire to utilize its DepoFoam extended release drug delivery technology for their products, when the Company's contractual services are performed, provided collectability is reasonably assured. The Company's principal costs under these agreements include its personnel conducting research and development, and its allocated overhead, as well as research and development performed by outside contractors or consultants.

        The Company recognizes revenues from non-refundable up-front license fees received under collaboration agreements ratably over the performance period as determined under the collaboration agreement (estimated development period in the case of development agreements, and contract period or longest patent life in the case of supply and distribution agreements). If the estimated performance period is subsequently modified, the Company will modify the period over which the up-front license fee is recognized accordingly on a prospective basis. Upon termination of a collaboration agreement, any remaining non-refundable license fees received by the Company, which had been deferred, are generally recognized in full. All such recognized revenues are included in collaborative licensing and development revenue in the Company's consolidated statements of operations.

        The Company recognizes revenue from milestone payments received under collaboration agreements when earned, provided that the milestone event is substantive, its achievability was not

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


reasonably assured at the inception of the agreement, the Company has no further performance obligations relating to the event, and collectability is reasonably assured. If these criteria are not met, the Company recognizes milestone payments ratably over the remaining period of the Company's performance obligations under the collaboration agreement. All such recognized revenues are included in collaborative licensing and development revenue in the Company's consolidated statements of operations.

        Research and development expenses consist of costs associated with products being developed internally, and include related personnel expenses, laboratory supplies, active pharmaceutical ingredients, manufacturing supplies, facilities costs, preclinical and clinical trial costs, and other outside service fees. The Company expenses research and development costs as incurred. A significant portion of the Company's development activities are outsourced to third parties, including contract research organizations. In such cases, the Company may be required to make estimates of related service fees to be accrued.

        Net loss per share is determined in accordance with the two-class method. This method is used for computing basic net loss per share when companies have issued securities other than common stock that contractually entitle the holder to participate in dividends and earnings of the Company. Under the two-class method, net loss is allocated between common shares and other participating securities based on their participation rights in both distributed and undistributed earnings. The Company's Series A convertible preferred stock are participating securities, since the stockholders are entitled to share in dividends declared by the board of directors with the common stock based on their equivalent common shares. Basic net loss per share is computed by dividing net loss available (attributable) to common stockholders by the weighted average number of shares of common stock outstanding during the period. Because the holders of the Series A Convertible Preferred Stock are not contractually required to share in the Company's losses, in applying the two-class method to compute basic net loss per common share no allocation to preferred stock was made for the years ended December 31, 2010, 2009 and 2008.

        Diluted net loss per share is calculated by dividing net loss available (attributable) to common stockholders as adjusted for the effect of dilutive securities, if any, by the weighted average number of common stock and dilutive common stock outstanding during the period. Potential common shares include the shares of common stock issuable upon the exercise of outstanding stock options and a warrant (using the treasury stock method) and the conversion of the shares of Series A convertible preferred stock (using the more dilutive of the (a) as converted method or (b) the two-class method). Potential common shares in the diluted net loss per share computation are excluded to the extent that they would be anti-dilutive. No potentially dilutive securities are included in the computation of any diluted per share amounts as the Company reported a net loss for all periods presented. Potentially dilutive securities that would be issued upon the conversion of convertible notes, conversion of Series A convertible preferred stock and the exercise of outstanding warrants and stock options, were 8.9 million, 7.2 million and 6.6 million as of December 31, 2010, 2009 and 2008, respectively.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

        The Company's share-based compensation programs include grants of stock options to employees, consultants and non-employee directors. The expense associated with these programs is recognized in the Company's consolidated statements of operations based on their fair values as they are earned by the employees, consultants and non-employee directors under the applicable vesting terms.

        The valuation of stock options is an inherently subjective process, since market values are generally not available for long-term, non-transferable stock options. Accordingly, the Company uses an option pricing model to derive an estimated fair value. In calculating the estimated fair value of stock options granted, the Company uses the Black-Scholes option pricing model which requires the consideration of the following variables for purposes of estimating fair value:

Of the variables above, the Company believes that the selection of an expected term and expected stock price volatility are the most subjective. The Company's historical stock option exercise experience does not provide a reasonable basis upon which to estimate expected term. Accordingly, the Company uses a term based on a simplified method, pursuant to SEC Staff Accounting Bulletin No. 107, Share-based Payment, for "plain vanilla" options. For calculating stock price volatility, the Company utilizes historical stock prices of publicly traded companies that are similar to Pacira.

        The Company estimates the level of award forfeitures expected to occur, and records compensation cost only for those awards that are ultimately expected to vest.

        The Company currently operates in a single operating segment. The Company generates revenue from various sources that result primarily from its revenue from DepoCyt(e) and DepoDur underlying research and development activities. In addition, financial results are prepared and reviewed by management as a single operating segment.

3.    RECENT ACCOUNTING PRONOUNCEMENTS

        In October 2009, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2009-13, "Multiple-Deliverable Revenue Arrangements" ("ASU 2009-13"). ASU 2009-13, amends existing revenue recognition accounting pronouncements that are currently within the scope of ASC Subtopic 605-25. This authoritative guidance provides principles for allocation of consideration among its multiple-elements, allowing more flexibility in identifying and accounting for separate deliverables under an arrangement. ASU 2009-13 introduces an estimated selling price method

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

3.    RECENT ACCOUNTING PRONOUNCEMENTS (Continued)


for valuing the elements of a bundled arrangement if vendor-specific objective evidence or third-party evidence of selling price is not available, and significantly expands related disclosure requirements. This guidance is effective on a prospective basis for revenue arrangements entered into or materially modified in fiscal years beginning on or after June 15, 2010. Alternatively, adoption may be on a retrospective basis, and early application is permitted. The adoption of this guidance is not expected to have any impact on our consolidated financial statements.

        In April 2010, the FASB issued Accounting Standards Update No. 2010-17, "Milestone Method of Revenue Recognition (Topic 605)" ("ASU 2010-17"). This update provides guidance on defining a milestone and determining when it may be appropriate to apply the milestone method of revenue recognition for research or development transactions. Authoritative guidance on the use of the milestone method did not previously exist. This guidance is effective on a prospective basis for milestones achieved in fiscal years, and interim periods within those years, beginning on or after June 15, 2010. Alternatively, retrospective adoption is permitted for all prior periods. The adoption of this guidance is not expected to have any impact on our consolidated financial statements.

        Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or not significant to the consolidated financial statements of the Company.

4.    ACQUISITION OF SKYEPHARMA, INC.

        Pacira Pharmaceuticals, Inc., a Delaware corporation, is the holding company for a California operating subsidiary of the same name, which we refer to as PPI-California. On the Acquisition Date, MPM Capital, Sanderling Ventures, OrbiMed Advisors, HBM Bioventures, the Foundation for Research and their co-investors, through Pacira Pharmaceuticals, Inc., acquired PPI-California, from SkyePharma Holding, Inc. for an initial purchase price of $19.6 million.

        At the Acquisition Date, the Company determined that the lease rates associated with the assumed facilities leases were above market rates resulting in a $3.3 million unfavorable lease accrual as of the Acquisition Date. The unfavorable lease accrual, which is recorded in other long-term liabilities in the Company's consolidated balance sheets, is amortized over the remaining terms of the leases.

        In addition to the initial $19.6 million purchase price, the Company entered into an earn-out agreement with SkyePharma Holding, Inc. as additional purchase price which was based on Pacira reaching certain revenue milestones following the Acquisition. According to this agreement, Pacira would pay SkyePharma Holding, Inc. royalty payments based on the net revenues of EXPAREL and certain other products from the future yet-to-be-developed biologics product line and milestone payments of up to an aggregate of $62 million upon the occurrence of the following events: a) first commercial sale in the United States; b) first commercial sale in a major EU country (UK, France, Germany, Italy, or Spain); c) annual net sales reach $100 million; d) annual net sales reach $250 million and e) annual net sales reach $500 million. Additionally, the Company agreed to pay to SkyePharma Holding, Inc. a 3% royalty of its sales of EXPAREL in the United States, Japan, the United Kingdom, France, Germany, Italy and Spain. The fair value of this contingent obligation was $13.9 million on the Acquisition Date. For business combinations involving contingent consideration (that is, a combination that might result in the acquiring enterprise recognizing additional purchase price in a future period (also referred to as "contingent consideration")), the acquiring enterprise is required to recognize, as if it were a liability, an amount equal to the lesser of: (1) the maximum

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

4.    ACQUISITION OF SKYEPHARMA, INC. (Continued)


amount of contingent consideration issuable, and (2) the total amount of negative goodwill. Accordingly, even though the fair value of the contingent consideration was $13.9 million, the Company recognized only $2.0 million as a contingent purchase liability as of the Acquisition Date. The carrying amount of the contingent purchase liability to SkyePharma Holding, Inc. was $2.0 million as of December 31, 2010 and 2009. The Company has not paid any earn-out to SkyePharma Holding, Inc. for the years ended December 31, 2010, 2009 and 2008.

5.    FAIR VALUE MEASUREMENTS

        Financial assets and financial liabilities are required to be measured and reported on a fair value basis using the following three categories for classification and disclosure purposes:

        Level 1:    Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs.

        Level 2:    Observable prices that are based on inputs not quoted on active markets, but corroborated by market data.

        Level 3:    Unobservable inputs that are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

        In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible. The Company also considers counterparty credit risk in its assessment of fair value.

        The carrying value of financial instruments including cash and cash equivalents, restricted cash, accounts receivable, note receivable, and accounts payable approximate their respective fair values due to the short-term maturities of these instruments and debts. The fair value of the Company's convertible notes (see Note 10) and promissory notes (see Note 10) cannot be practicably determined due to their related party nature. The carrying value of the long-term debt approximates its fair value as of December 31, 2010, due to the timing of its closing which occurred on November 24, 2010 as described further in Note 10.

6.    INVENTORIES

        The components of inventories were as follows:

 
  December 31,  
 
  2010   2009  
 
  (in thousands)
 

Raw materials

  $ 1,108   $ 716  

Work-in-process

    10     48  

Finished goods

    487     965  
           

Total

  $ 1,605   $ 1,729  
           

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

7.    FIXED ASSETS

        Fixed assets, at cost, summarized by major category, consist of the following:

 
  December 31,  
 
  2010   2009  
 
  (in thousands)
 

Machinery and laboratory equipment

  $ 7,002   $ 7,124  

Computer equipment and software

    765     765  

Office furniture and equipment

    167     167  

Leasehold improvements

    3,938     3,809  

Construction in progress

    18,144     12,289  
           
 

Total

    30,016     24,154  

Less accumulated depreciation

    (6,066 )   (4,594 )
           
 

Fixed assets, net

  $ 23,950   $ 19,560  
           

        Depreciation expense for the years ended December 31, 2010, 2009 and 2008 was $1.8 million, $1.9 million and $2.0 million, respectively. Depreciation expenses associated with the Company's commercial products are included in cost of revenue. Depreciation expense associated with the Company's products in development are included in research and development expenses. Depreciation expense associated with general and administrative activities are included in selling, general and administrative expenses.

8.    INTANGIBLE ASSETS

        Intangible assets consist of core technology, developed technology, DepoDur rights, and trademarks and trade names acquired in the acquisition of SkyePharma, Inc. (see Note 4). Intangible assets are recorded at cost, net of accumulated amortization. Amortization of intangible assets is provided over their estimated useful lives on a straight-line basis.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

8.    INTANGIBLE ASSETS (Continued)

        Intangible assets are summarized as follows:

 
  December 31,    
 
  Estimated
Useful Life
 
  2010   2011
 
  (in thousands)
   

Core Technology

               

Gross amount

  $ 2,900   $ 2,900   9 years

Accumulated amortization

    (1,208 )   (886 )  
             

Net

    1,692     2,014    
             

Developed Technology

               

Gross amount

    11,700     11,700   7 years

Accumulated amortization

    (6,268 )   (4,596 )  
             

Net

    5,432     7,104    
             

Trademarks and trade names

               

Gross amount

    500     500   7 years

Accumulated amortization

    (253 )   (176 )  
             

Net

    247     324    
             

DepoDur Rights

               

Gross amount

    2,058     2,058   Remaining patent life

Accumulated amortization

    (517 )   (322 ) ending November
             

Net

    1,541     1,736   2018
             

Intangible assets, net

  $ 8,912   $ 11,178    
             

        Annual amortization expense for intangibles was $2.3 million, $2.2 million and $2.2 million for the years ended December 31, 2010, 2009 and 2008, respectively. Amortization expenses associated with the Company's commercial products and developed technology are included in cost of revenue. Amortization expenses associated with the Company's products in development are included in research and development expenses.

        The approximate amortization expense for intangibles subject to amortization is as follows (in thousands):

 
  Core
Technology
  Developed
Technology
  Trademarks
and Trade
  DepoDur
Rights
  Total  

2011

  $ 322   $ 1,671   $ 76   $ 196   $ 2,265  

2012

    322     1,671     76     196     2,265  

2013

    322     1,671     76     196     2,265  

2014

    322     419     19     196     956  

2015

    322             196     518  

Thereafter

    82             561     643  
                       

Total

  $ 1,692   $ 5,432   $ 247   $ 1,541   $ 8,912  
                       

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

8.    INTANGIBLE ASSETS (Continued)

        Intangibles are evaluated for potential impairment whenever events or circumstances indicate that the carrying amount may not be recoverable. An impairment loss is recorded to the extent the asset's carrying value is in excess of the fair value of the asset. When fair values are not readily available, the Company estimates fair values using expected discounted future cash flows. During 2008, the Company recorded an impairment loss of $125,000, primarily related to the Company's DepoDur trademark. The DepoDur trademark was determined to be impaired because the Company's revised estimates of future sales were significantly lower than its prior estimates. Such impairment losses are reflected in costs of revenue in the Company's consolidated statements of operations. No impairment loss was recorded in 2010 and 2009.

9.    OTHER BALANCE SHEET DETAILS

        Prepaid expenses and other current assets consist of the following:

 
  December 31,  
 
  2010   2009  
 
  (in thousands)
 

Prepaid expenses

  $ 569   $ 761  

Other

    243     311  
           
 

Total

  $ 812   $ 1,072  
           

        Other assets consist of the following:

 
  December 31,  
 
  2010   2009  
 
  (In thousands)
 

Deferred financing costs, net

  $ 590   $ 133  

Deferred IPO costs

    1,407      

Note receivable—EKR

    583     470  

Other

    65     64  
           
 

Total

  $ 2,645   $ 667  
           

        Accrued expenses consist of the following:

 
  December 31,  
 
  2010   2009  
 
  (in thousands)
 

Compensation and benefits

  $ 643   $ 518  

Lease rent deferral—current portion

    1,125     1,705  

Other

    1,492     1,255  
           
 

Total

  $ 3,260   $ 3,478  
           

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT

        The composition of the Company's debt and financing obligations, including accrued interest, is as follows:

 
  December 31,  
 
  2010   2009  
 
  (in thousands)
 

Related party debt, including accrued interest:

             
 

2009 Convertible notes

  $ 11,655   $ 11,124  
 

2009 Secured notes

    12,324     11,049  
 

2010 Secured notes

    15,462      
 

2010 HBM Secured note

    3,945      
 

2010 Convertible note, net of debt discount

    6,409      
           

    49,795     22,173  
           

Financing obligations:

             
 

Hercules note, current portion

    3,182      
 

Hercules note, long-term portion, net of debt discount

    21,869      
 

Royalty interest obligation, current portion

    1,575     1,599  
 

Royalty interest obligation, long-term portion

    2,996     3,647  
           

    29,622     5,246  
           
 

Total debt and financing obligations

  $ 79,417   $ 27,419  
           

CONVERTIBLE NOTES PAYABLE

        In January 2009, the Company sold $10.63 million aggregate principal amount of unsecured convertible promissory notes, or the 2009 Convertible Notes. The 2009 Convertible Notes were issued with detachable warrants to purchase an aggregate of 158,065 shares of the Company's common stock at an exercise price of $2.69 per share. In recording the transaction, the Company allocated the proceeds of the 2009 Convertible Notes and the warrants based on their relative fair values. Fair value of the warrants was determined using the Black-Scholes valuation model and allocated to additional paid-in capital. It was also determined that the 2009 Convertible Notes contained a beneficial conversion feature since the fair value of the common stock issuable upon the conversion of the notes exceeded the value allocated to the notes. The Company recognized and measured the embedded beneficial conversion feature of each of the 2009 Convertible Notes by allocating a portion of the proceeds equal to the intrinsic value of that feature to additional paid-in capital. The intrinsic value of the beneficial conversion feature was calculated at the commitment date as the difference between the conversion price and the fair value of the securities into which the convertible instruments were convertible.

        The 2009 Convertible Notes accrue interest at an annual rate of 5% payable at maturity or at the time of conversion. In connection with entering into the Hercules Credit Facility, as described further below, the maturity dates of the 2009 Convertible Notes was extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)

expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated. Also in connection with entering into the Hercules Credit Facility, the holders of the 2009 Convertible Notes entered into a subordination agreement with Hercules pursuant to which the 2009 Convertible Notes were subordinated to the Hercules Credit Facility. Previously, in connection with GECC Credit Facility, as further described below, holders of the 2009 Convertible Notes had entered into an inter-creditor agreement with the holders of the 2009 Secured Notes and the 2010 Secured Notes whereby the 2009 Convertible Notes were subordinated to the 2009 Secured Notes and the 2010 Secured Notes, and the holders of the 2009 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        Upon the closing of a Qualified Financing (as defined below), unless the holders of a majority of the aggregate principal amount of all 2009 Convertible Notes have elected Optional Conversion of the 2009 Convertible Notes as described below, all outstanding principal and accrued interest under the 2009 Convertible Notes will automatically convert into shares of the same class and series of capital stock of the Company issued to investors in the Qualified Financing at a conversion price per share equal to the price per share paid by other investors in the Qualified Financing. A "Qualified Financing" means the next sale of preferred stock of the Company (i) with gross proceeds to the Company (including proceeds from any indebtedness of the Company that converts into equity in such financing) of at least $10 million or (ii) that is designated as a "Qualified Financing" by the holders of a majority of the aggregate principal amount of all 2009 Convertible Notes. Additionally, the 2009 Convertible Notes and any unpaid interest may be converted to Series A convertible preferred stock upon the election by the holders of a majority of the aggregate principal amount of all 2009 Convertible Notes with a conversion price paid per share equal to the price per share of Series A convertible preferred stock at the time of conversion ("Optional Conversion"). The warrants have an exercise price per share of $2.69 and will expire on January 21, 2014.

        In the event of the completion of a merger or consolidation, sale of all the Company's assets or common stock or voluntary or involuntary liquidation, prior to full payment of the 2009 Convertible Notes or prior to the time when the 2009 Convertible Notes may be converted, the 2009 Convertible Notes will be due and payable with a control premium and the then outstanding principal and unpaid accrued interest and will be senior to all payments of Company common stock and Series A convertible preferred stock. Additionally, the 2009 Convertible Notes are due on demand in the event of default, litigation that threatens to materially and adversely affect the Company's business, operations, assets or results of operations, or bankruptcy by the Company.

        The value of the warrants has been recorded as a discount to the 2009 Convertible Notes and amortized as a component of interest expense over the original term of the notes. For the year ended December 31, 2009, the amortization of the discount was $269,000 resulting in no remaining balance as of December 31, 2010 and 2009.

        The value of the beneficial conversion feature has been recorded as a discount to the 2009 Convertible Notes and amortized as a component of interest expense over the original term of the notes. For the year ended December 31, 2009, the amortization of the discount was $269,000 resulting in no remaining balance as of December 31, 2010 and 2009.

        The outstanding principal and accrued interest on the 2009 Convertible Notes was $11.7 million and $11.1 million as of December 31, 2010 and 2009, respectively, and annual interest expense

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)


associated with these notes was $0.5 million for the years ended December 31, 2010 and 2009. As further discussed in Note 18, the 2009 Convertible Notes converted into an aggregate of 871,635 shares of common stock upon the Company's initial public offering in February 2011.

        On December 29, 2010, the Company sold $15.0 million in aggregate principal amount of convertible promissory notes, or the December 2010 Convertible Notes, in a private placement to certain of its existing investors. 50% of the principal amount was funded on December 29, 2010. The remaining 50% of the principal amount will be funded in a second closing to occur upon written request of holders of at least 75% of the outstanding principal amount of the December 2010 Convertible Notes on or before the earlier of the completion of the Company's initial public offering or March 31, 2011. In connection with the issuance and sale of the December 2010 Convertible Notes, the Company issued warrants to the holders of the December 2010 Convertible Notes to purchase an aggregate of 167,361 shares of its common stock with an exercise price of $13.44 per share. Pursuant to the terms of the agreement for the issuance and sale of the December 2010 Convertible Notes, in the event a second closing of the issuance and sale of the December 2010 Convertible Notes occurs, the Company will issue warrants to the holders of the December 2010 Convertible Notes to purchase an additional 167,361 shares of its common stock with an exercise price of $13.44 per share. The Company's existing investors have indicated they will not purchase the additional $7.5 million of December 2010 Convertible Notes in the second closing. The December 2010 Convertible Notes will have an interest rate of 5% per year from and after March 31, 2011 and all principal and accrued and unpaid interest on the December 2010 Convertible Notes is due and payable upon the earliest of: (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        Upon completion of the Company's proposed initial public offering (see Note 18), all principal and interest due under the December 2010 Convertible Notes will be converted into shares of the Company's common stock at a conversion price equal to the price per share of common stock sold in the Company's initial public offering. Purchasers of the December 2010 Convertible Notes included certain holders of more than 5% of the Company's capital stock, or entities affiliated with them.

        The fair value of the warrants granted on December 29, 2010 is $0.5 million and the fair value of the beneficial conversion feature is a corresponding $0.5 million. The value of the warrants and the beneficial conversion feature was recorded as a discount to the December 2010 Convertible Notes and amortized as a component of interest expense over the original term of the December 2010 Convertible Notes. Upon the completion of the Company's initial public offering, when the December 2010 Convertible Notes are converted into common stock, any unamortized balance will be recognized in full on the date of such event.

        The outstanding principal and accrued interest on the 2010 Convertible Notes was $7.5 million as of December 31, 2010. As further discussed in Note 18, the 2010 Convertible Notes converted into an aggregate of 1,071,428 shares of common stock upon the Company's initial public offering in February 2011.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)

SECURED PROMISSORY NOTES

        In June 2009, the Company entered into an agreement with certain of its existing investors to issue $10.63 million in aggregate principal amount of secured notes, or the 2009 Secured Notes. To secure the performance of the Company's obligations under purchase agreement for the 2009 Secured Notes, the Company granted a security interest in all of its assets except the assets that secure the Company's obligations under its agreement with Paul Capital to the investors. In connection with entering into the Hercules Credit Facility, the holders of the 2009 Secured Notes entered into a subordination agreement with Hercules pursuant to which the 2009 Secured Notes were subordinated to the Hercules Credit Facility. Previously, in connection with GECC Credit Facility, as further described below, 2009 Secured Noteholders had entered into an inter-creditor agreement with the holders of the 2009 Convertible Notes and the 2010 Secured Notes whereby the 2009 Convertible Notes were subordinated to the 2009 Secured Notes and the 2010 Secured Notes, and the holders of the 2009 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        The 2009 Secured Notes have an interest rate of 12% per year and all principal and accrued and unpaid interest on the 2009 Secured Notes is due on December 31, 2010. In connection with entering into the Hercules Credit Facility, the maturity dates of the 2009 Secured Notes was extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        The outstanding principal and accrued interest on the 2009 Secured Notes was $12.3 million and $11.0 million as of December 31, 2010 and 2009, respectively, and interest expense associated with these promissory notes was $1.3 million and $0.4 million for the years ended December 31, 2010 and 2009, respectively.

        In March 2010, the Company entered into an agreement with certain of its existing investors to issue $15 million in aggregate principal amount of secured notes, or the 2010 Secured Notes. To secure the performance of its obligations under the purchase agreement for the 2010 Secured Notes, the Company granted a subordinated security interest in substantially all of its assets, including its intellectual property assets, to the investors. The investors purchased the entire $15 million of 2010 Secured Notes in three closings in March, June and September 2010.

        The 2010 Secured Notes have an interest rate of 5% per year and all principal and accrued and unpaid interest is due on December 31, 2010. In connection with entering into the Hercules Credit Facility, as described further below, the maturity dates of the 2009 Secured Notes was extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated. Also in connection with entering into the Hercules Credit Facility, the holders of the 2010 Secured Notes entered into a subordination agreement with Hercules pursuant to which the 2010 Secured Notes were subordinated to the Hercules Credit Facility.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)


Previously, in connection with GECC Credit Facility, as further described below, 2010 Secured Noteholders had entered into an inter-creditor agreement with the holders of the 2009 Convertible Notes and the 2009 Secured Notes whereby the 2009 Convertible Notes were subordinated to the 2009 Secured Notes and the 2010 Secured Notes, and the holders of the 2009 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        The outstanding principal and accrued interest on the 2010 Secured Notes was $15.5 million as of December 31, 2010 and interest expense associated with these notes was $0.5 million for the year ended December 31, 2010.

        On April 30, 2010, the Company entered into a subordinated secured note purchase agreement with entities affiliated with HBM BioVentures, or HBM, to issue $3.75 million in aggregate principal amount of secured notes, or the HBM Secured Notes, in a private placement. Pursuant to the purchase agreement for the HBM Secured Notes, upon written notice delivered to HBM prior to September 30, 2010, HBM purchased an amount of secured notes set forth in the notice. HBM purchased the entire $3.75 million of the HBM Secured Notes in three closings in April, June and September 2010. To secure the performance of its obligations under the purchase agreement for the HBM Secured Notes, the Company granted a subordinated security interest in substantially all of its assets, including its intellectual property assets, other than the assets that secure its obligations under its agreement with Paul Capital. The HBM Secured Notes carry an interest rate of approximately 10% per year. In addition, the HBM Secured Notes require a final payment fee if they are prepaid prior to the maturity date. The maturity date of the HBM Secured Notes is the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated. On November 24, 2010, the holders of the HBM Secured Notes entered into a subordination agreement with Hercules pursuant to which the HBM Secured Notes were subordinated to the Hercules Credit Facility.

        The outstanding principal and accrued interest on the HBM Secured Notes was $3.9 million as of December 31, 2010 and interest expense associated with these notes was $0.2 million for the year ended December 31, 2010.

CREDIT FACILITIES

        In April 2010, The Company entered into a credit facility with General Electric Capital Corporation (the "GECC Credit Facility"), with $11.25 million available for borrowing. The Company borrowed an aggregate principal amount of $5.62 million at the closing, $2.81 million on July 1, 2010 and the remaining $2.81 million on September 2, 2010. Each of the term loans under the GECC Credit Facility carried a fixed interest rate of approximately 10% that was payable monthly. The GECC Credit Facility required no payment of principal for the first year, and then equal principal payments over 24 months until the maturity dates of 3 years from the funding dates. The GECC Credit Facility was secured by a first priority lien on all of the Company's assets other than the assets that secure its

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)

obligations under its agreement with Paul Capital, and was guaranteed in full by certain majority investors of the Company (the "guarantors").

        In connection with any prepayments of term loans under the GECC Credit Facility, the Company was required to pay, in addition to all principal and accrued and unpaid interest on such term loan, a final payment fee equal to (i) 0.45% of the original principal amount of such term loan if the prepayment was made or required before the one year anniversary of such term loan, (ii) 2.25% of the original principal amount of such term loan if the prepayment was made or required on or after the one year anniversary of such term loan but before the two year anniversary of such term loan, and (iii) 3.50% of the original principal amount of such term loan if the prepayment was made or required on or after the two year anniversary of such term loan.

        The GECC Credit Facility was guaranteed by the Company and was secured by a first priority lien on all of the assets of both PPI-California and the guarantors, other than the assets that secure its obligations under its agreement with Paul Capital. In addition, the GECC Credit Facility was guaranteed by certain of the Company's investors (other than HBM) on a several and not joint basis which guarantee was limited to each investor's pro rata portion of the outstanding principal and accrued and unpaid interest under the GECC Credit Facility, but in no event to exceed $11.25 million in the aggregate. The obligations of the investors under the guarantee is not triggered until the earlier to occur of (i) thirty days after written notice from the agent that the obligations under the GECC Credit Facility have been accelerated, and (ii) the occurrence of a bankruptcy or insolvency event with respect to the borrower, the Company or any of the investor guarantors. The guarantee by the Company's investors of the GECC Credit Facility also included covenants that required each such investor to maintain at all times unfunded commitments from its investors in an amount equal to at least one and one-half times the maximum amount that the investor would have been obligated for under the investor guarantee, and also included certain control requirements with respect to such investors.

        The GECC Loan and Security Agreement contained events of default including payment default, default arising from the breach of the provisions of the GECC Loan and Security Agreement and related documents or the inaccuracy of representations and warranties, attachment default, judgment default, bankruptcy and insolvency, a cross-default provision with respect to other material indebtedness, default based on the unenforceability, invalidity or revocation of a the GECC Loan and Security Agreement or any other related documents (including any guarantee or applicable subordination agreement) or any security interests, the occurrence of a material adverse effect (as defined in the GECC Loan and Security Agreement) and certain changes in control, including if the chief executive officer or chief financial officer of the borrower cease to be involved in the daily operations or management of the business, if certain holders cease to own or control at least 51% of the outstanding capital stock of the Company, if the Company ceased to own or control all the economic and voting rights of the borrower and if the borrower ceased to own or control, directly or indirectly, all of the economic or voting rights of each of its subsidiaries.

        The occurrence of an event of default under the GECC Credit Facility could have triggered the acceleration of the obligations under the GECC Credit Facility or allowed the agent or lenders to exercise other rights and remedies, including rights against the assets which secured the GECC Credit Facility and rights under guarantees provided to support the obligations under the GECC Credit Facility.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)

        The GECC Loan and Security Agreement contained a number of affirmative and restrictive covenants including reporting requirements, compliance with laws, protection of intellectual property and other collateral covenants, and limitations, subject to certain exceptions set forth in the GECC Loan and Security Agreement, on liens and indebtedness, limitations on dispositions, limitations on mergers and acquisitions, limitations on restricted payments and investments, limitations on transactions with the Company's affiliates, limitations on changes in business, limitations on amendments and waivers of certain agreements, and limitations on waivers and amendments to certain agreements, including certain portions of the Paul Capital agreements, the Company's organizational documents, and documents relating to debt that is subordinate to the Company's obligations under the GECC Credit Facility.

        On November 24, 2010, the GECC Credit Facility was repaid in full, from the proceeds of the term loan under the Hercules Credit Facility, as further described below. The Company incurred a loss on the extinguishment of debt of approximately $184,000. Interest expense associated with the facility was $0.3 million for the year ended December 31, 2010.

        On November 24, 2010, the Company entered into a $26.25 million credit facility with Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P., as lenders (the "Hercules Credit Facility"). At the closing of the Hercules Credit Facility, the Company entered into a term loan in the aggregate principal amount of $26.25 million, which was the full amount available under the Hercules Credit Facility. As of December 31, 2010, the entire term loan of $26.25 million was outstanding. The term loan under the Hercules Credit Facility is comprised of two tranches, Tranche A and Tranche B. The Tranche A portion of the term loan is comprised of $11.25 million in principal and carries a floating per annum interest rate equal to 10.25% plus the amount, if any, by which the prime rate exceeds 4.00%. Upon the release of the investors' guaranty (described below), the interest rate on the Tranche A portion of the term loan will increase to a floating per annum interest rate equal to 11.00% plus the amount, if any, by which the prime rate exceeds 4.00%. The Tranche B portion of the term loan is comprised of $15.0 million in principal and carries a floating per annum interest rate equal to 12.65% plus the amount, if any, by which the prime rate exceeds 4.00%. As of December 31, 2010, the interest rate on the Tranche A portion was 10.25% and on the Tranche B portion was 12.65%. Interest on the term loan is payable monthly. If there is an event of default under the Hercules Credit Facility, the Company will be obligated to pay interest at a higher default rate. The proceeds of the term loan under the Hercules Credit Facility have been used to repay the GECC Credit Facility in full and will be used for other general corporate purposes.

        As further consideration to the lenders to provide the term loan to the Company under the Hercules Credit Facility, the Company issued to the lenders a warrant to purchase 178,986 shares of the Company's Series A convertible preferred stock. If after the closing date of the Hercules Credit Facility and prior to the completion of the Company's initial public offering, the Company issues equity securities in a private placement then the lenders may, at their option, exercise the warrant for the same class and type of equity securities that the Company issues in such private placement in lieu of Series A convertible preferred stock. The exercise price for the shares to be issued under the warrant is equal to the lower of $13.44 per share or the price per share paid in the next private placement. The warrant is valid from the date of issuance until the earlier to occur of ten (10) years from the date of issuance or five (5) years following the effective date of a registration statement for an initial public

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)


offering. As further described in Note 18, the Company has completed an initial public offering on February 8, 2011 and no private placement occurred prior to its completion.

        The Hercules Credit Facility provides for an "interest only period" when no principal amounts are due and payable. The interest only period runs initially from November 24, 2010 through August 31, 2011, but can be extended, at the Company's request, to either November 30, 2011 or February 28, 2012 if certain conditions are satisfied. Following the end of the interest only period, the term loan is to be repaid in 33 equal monthly installments of principal and interest beginning on the first business day after the month in which the interest only period ends. Amounts repaid may not be re-borrowed. The Company can, at any time, prepay all or any part of the term loan provided that so long as the investors' guaranty (as described below) is in effect, the Company cannot prepay any part of the Tranche A portion of the term loan without the lenders' consent if any of the Tranche B portion is outstanding. If the investors' guaranty is not in effect, then any prepayments are to be applied pro rata across the outstanding balance of both portions of the term loan. In connection with any prepayments of the term loan under the Hercules Credit Facility, the Company is required to pay, in addition to all principal and accrued and unpaid interest on such term loan, a prepayment charge equal to 1.25% of the principal amount being prepaid. In addition, there is an end of term charge that is payable to the lenders upon the earliest to occur of the maturity date, the prepayment in full of the Company's obligations under the Hercules Credit Facility and the acceleration of the Company's obligations under the Hercules Credit Facility.

        The Hercules Credit Facility is secured by a first priority lien on all of the Company's assets other than the assets that secure the Company's obligations under the Amended and Restated Royalty Interests Assignment Agreement (as described below). In addition, the Hercules Credit Facility is guaranteed by certain of the Company's investors (other than entities affiliated with HBM) on a several and not joint basis, which guarantee is limited to each investor's pro rata portion of the outstanding principal and accrued and unpaid interest under the Hercules Credit Facility, but in no event exceeding $11.25 million in the aggregate. The Hercules loan agreement, provides that upon the occurrence of certain circumstances and upon the Company's request, the investors' guarantee may be terminated and released.

        The Hercules loan and security agreement also contains a provision that entitles the lenders to, subject to applicable securities laws and regulatory requirements, a limited right to participate in any equity financings that occur between the closing date of the Hercules Credit Facility and the completion of the Company's initial public offering.

        The Hercules loan and security agreement contains events of default including payment default, default arising from the breach of the provisions of the Hercules loan and security agreement and related documents (including the occurrence of certain changes in control, including if the Company's chief executive officer ceases under certain conditions to be involved in the daily operations or management of the business, or if certain holders of the Company's capital stock cease to retain, after the consummation of certain corporate transactions, shares representing more than 50% of the surviving entity after such transactions (provided that the Company's initial public offering shall not constitute such a change in control)) or the inaccuracy of representations and warranties contained in the loan and security agreement, attachment default, bankruptcy and insolvency, cross-default with respect to certain other indebtedness (including certain events under the Amended and Restated Royalty Interests Assignment Agreement), breach of the terms of any guarantee (including the

F-26


Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)


investors' guarantee) of the Hercules Credit Facility, the occurrence of a material adverse effect (as defined in the Hercules loan and security agreement).

        The occurrence of an event of default under the Hercules Credit Facility could trigger the acceleration of the Company's obligations under the Hercules Credit Facility or allow the lenders to exercise other rights and remedies, including rights against the Company's assets that secure the Hercules Credit Facility and rights under guarantees provided to support the obligations under the Hercules Credit Facility.

        The Hercules loan and security agreement contains a number of affirmative and restrictive covenants, including reporting requirements and other collateral limitations, certain limitations on liens and indebtedness, dispositions, mergers and acquisitions, restricted payments and investments, corporate changes and waivers and amendments to certain agreements, the Company's organizational documents, and documents relating to debt that is subordinate to the Company's obligations under the Hercules Credit Facility.

        In connection with entering into the Hercules Credit Facility, the maturity dates of the 2009 Convertible Notes, the 2009 Secured Notes and the 2010 Secured Notes were extended to the earliest of (1) a sale of the Company, (2) the date which is 30 days after the last day of the month that is 33 months after the expiration of the "interest only period" under the Hercules Credit Facility (as described above) and (3) 91 days after the date that all obligations under the Hercules Credit Facility are paid in full and the Hercules Credit Facility is terminated.

        In connection with entering into the Hercules Credit Facility, the holders of the 2010 Convertible Notes entered into a subordination and intercreditor agreement with the lenders under the Hercules Credit Facility pursuant to which the 2010 Convertible Notes were subordinated to the Hercules Credit Facility. The holders of the 2010 Convertible Notes previously entered into a separate intercreditor agreement with the holders of the 2010 Secured Notes and the 2010 Secured Notes pursuant to which the 2010 Convertible Notes were subordinated to the 2010 Secured Notes and the 2010 Secured Notes, and the holders of the 2010 Secured Notes agreed to share payments pro rata with the holders of the 2010 Secured Notes.

        The end of term charge of approximately $0.6 million has been recorded in accrued expenses and as a discount to the Hercules Credit Facility and amortized as a component of interest expense over the original term. The warrants, valued at approximately $0.6 million, have also been recorded as a discount to the Hercules Credit Facility and amortized as a component of interest expense over the original term. For the year ended December 31, 2010, the combined amortization of the discount was $32,000. The financing costs of approximately $0.5 million were capitalized and are being amortized as a component of interest expense over the original term. The outstanding principal and accrued interest on the Hercules Credit Facility was $26.5 million as of December 31, 2010, and interest expense associated with the facility was $0.3 million for the year ended December 31, 2010.

        In 2000, PPI-California and SkyePharma PLC entered into a Royalty Interests Assignment Agreement ("PLC Royalty Agreement") with an affiliate of Paul Capital Advisors, LLC ("Paul Capital") to raise $30 million. Under the PLC Royalty Agreement, Paul Capital had the right to receive a royalty interest in four of SkyePharma's product sales including product sales of and other payments

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

10. DEBT (Continued)

related to DepoCyt(e) and DepoDur. Payments began for product sales realized on or after January 1, 2003 and continue through December 31, 2014.

        In connection with the Acquisition, the PLC Royalty Agreement was amended ("Amended and Restated Royalty Interests Assignment Agreement"). As part of this amendment the responsibility to pay the royalty interest in product sales of DepoCyt(e) and DepoDur were transferred to the Company and the payment to Paul Capital in a "Purchase Option Event" of the Company, as described below, was defined. The net present value of royalties expected to be repaid to Paul Capital (the "royalty interest obligation") was valued at $13.0 million.

        The Company recorded the royalty interest obligation as a liability in the Company's consolidated balance sheets in accordance with ASC 470-10-25, Sales of Future Revenues. The Company imputes interest expense associated with this liability using the effective interest rate method. The effective interest rate may vary during the term of the agreement depending on a number of factors including the actual sales of DepoCyt(e) and DepoDur and a significant estimation, performed quarterly, of certain of the Company's future cash flows related to these products during the remaining term of the Royalty Interests Assignment Agreement which terminates on December 31, 2014. Any adjustment to the estimates is reflected in the Company's consolidated statements of operations as interest income (expense). In addition, such cash flows are subject to foreign exchange movements related to sales of DepoCyt(e) and DepoDur denominated in currencies other than U.S. dollars.

        The PLC Royalty Agreement also includes a provision for a "Purchase Option Event." The events include: (1) any change of control, a direct or indirect consequence of which is a material abatement of efforts to develop, market or sell any of the products or reformulated products; or (2) the transfer by the parent of all or substantially all of the parent's consolidated assets; or (3) the transfer by the Company of all or any part of their respective interests in the products or reformulated products, or (4) bankruptcy or other breach or default under the agreement.

        In the event a Purchase Option Event occurs, Paul Capital shall have the right, but not the obligation, exercisable within 90 days, to require the Company to repurchase from Paul Capital the Royalty Interests Assignment, for a repurchase price equal to 50% of the cumulative amount of all payments made during the preceding 24 months (calculated from the date of the Purchaser's receipt of the notice from the Company of the Purchase Option Event) multiplied by the number of days from the date of Paul Capital's exercise of such option until December 31, 2014, divided by 365.

        The Company has no minimum payment obligations under the PLC Royalty Agreement. However, the repayment of the Paul Capital liability is supported through a jointly controlled lockbox, where all DepoCyt(e) and DepoDur supply revenue and royalties are received. Commencing April 1 of every year, the first $2.5 million received in the lockbox is restricted and will be used to make quarterly payments due to Paul Capital, if any, under the agreement during the subsequent 12 month period. On March 31 of the subsequent year, the balance of cash in the lockbox, if any, is remitted to Pacira. The PLC Royalty Agreement terminates on December 31, 2014. The PLC Royalty Agreement pertains only to DepoCyt(e) and DepoDur, and does not include revenue related to EXPAREL or any other product candidates. $1.3 million and $1.2 million was in the lockbox and included in restricted cash in the Company's consolidated balance sheets as of December 31, 2010 and 2009, respectively.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

11. STOCKHOLDERS' EQUITY

        In connection with its formation, the Company issued in March 2007 an aggregate of 464,900 shares of common stock for total aggregate consideration of $50,000.

        In March 2007, the Company entered into a Series A Preferred Stock Purchase Agreement pursuant to which the Company issued and sold an aggregate of 6,322,640 shares of Series A convertible preferred stock in four separate closings held in March 2007, February 2008, July 2008 and October 2008, at a purchase price of $13.44 per share. The aggregate consideration for the shares of Series A convertible preferred stock was $85 million in cash.

        Each holder of Series A convertible preferred stock has the right, at the option of the holder at any time, to convert their shares of Series A convertible preferred stock into shares of common stock at a current conversion ratio of one-to-one, subject to adjustment for stock splits, certain capital reorganizations and dilutive stock issuances. Each share of the Company's Series A convertible preferred stock will automatically convert into shares of the Company's common stock, at the then effective applicable conversion ratio upon the earlier of: (i) the closing of the sale of the Company's common stock pursuant to a firmly underwritten public offering in which the Company receives gross proceeds of at least $25 million or (ii) the consent of the holders of at least 662/3% of the then outstanding shares of Series A convertible preferred stock.

        The holders of Series A convertible preferred stock are entitled to receive, when, as and if declared by the Company's board of directors out of legally available funds, non-cumulative dividends in an amount equal to any dividends declared, paid or set aside on shares of the Company's common stock. As of December 31, 2010, no dividends have been declared by the Company's board of directors.

        In the event of any liquidation, dissolution or winding up of the Company, the holders of the Series A convertible preferred stock will be entitled to receive in preference to the holders of the Company's common stock, the amount of their original purchase price per share, plus declared and unpaid dividends, if any. If the assets and funds available to be distributed among the holders of the Series A convertible preferred stock are insufficient to permit the payment to such holders of the full preference, then the entire assets and funds legally available for distribution to such holders shall be distributed ratably based on the total due each holder of the Series A convertible preferred stock. Any remaining assets of the Company will be distributed ratably among the holders of its common stock.

        Holders of the Series A convertible preferred stock are entitled to the number of votes they would have upon conversion of their Series A convertible preferred stock into common stock at the then-applicable conversion rate. The holders of Series A convertible preferred stock have been granted certain rights with regard to the election of board members and various other corporate actions.

        On January 22, 2009, the Company issued warrants in connection with the issuance of the 2009 Convertible Notes (see Note 10). The warrants are convertible into an aggregate of 158,065 of shares of the Company's common stock at an exercise price of $2.69 per share and will expire on January 21, 2014. The value of the warrants has been recorded as a discount to the 2009 Convertible Notes and amortized as a component of interest expense over the original term of the 2009 Convertible Notes. For the year ended December 31, 2009, the amortization of the discount was $269,000 resulting in no remaining balance as of December 31, 2010 and 2009.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

11. STOCKHOLDERS' EQUITY (Continued)

        On July 2, 2009, the Company issued warrants to the landlord of the Company's two San Diego facilities in connection with amendments to the respective lease agreements that deferred minimum annual rental obligations (see Note 13). The warrants are exercisable for an aggregate of 23,244 shares of Series A convertible preferred stock at a price of $13.44 per share and will expire on the earlier of July 1, 2016 or the fifth anniversary of the consummation of the Company's initial public offering. The value of the warrants was recorded as prepaid interest and is being amortized as a component of interest expense over the deferred rental payment term. For the years ended December 31, 2010 and 2009, the amortization of the interest was $114,000 and $63,000, respectively, resulting in a balance of $27,000 and $141,000 as of December 31, 2010 and 2009, respectively.

        On November 24, 2010, the Company issued warrants in connection with the Hercules Credit Facility to the lenders to purchase 178,986 shares of the Company's Series A convertible preferred stock (see Note 10). The warrants are exercisable at a price of $13.44 per share and shall be valid from the date of issuance until the earlier to occur of ten (10) years from the date of issuance or five (5) years following the effective date of the registration statement for an initial public offering. The warrants, valued at approximately $0.6 million, have been recorded as a discount to the Hercules Credit Facility and amortized as a component of interest expense over the original term. For the year ended December 31, 2010, the amortization of the discount was $17,000.

        On December 29, 2010, the Company issued warrants in connection with the December 2010 Convertible Notes (see Note 10). The warrants are convertible into an aggregate of 167,361 of shares of the Company's common stock with an exercise price of $13.44 per share and will expire on December 29, 2017. The warrants, valued at approximately $0.5 million, have been recorded as a discount to the 2010 Convertible Notes and will be amortized as a component of interest expense over the original term of the 2010 Convertible Notes. Upon the completion of the Company's initial public offering, the December 2010 Convertible Notes will be converted into common stock, and any unamortized balance will be recognized in full on the date of such event (see Note 18).

        The Company recognized share-based compensation in its consolidated statements of operations for the years ended December 31, 2010, 2009 and 2008 as follows:

 
  Years Ended December 31,  
 
  2010   2009   2008  
 
  (in thousands)
 

Selling, general and administrative

  $ 1   $ 349   $ 126  

Research and development

    22     175     116  
               

  $ 23   $ 524   $ 242  
               

        Employees and directors have been granted options to purchase common shares under the 2007 Stock Option/Stock Issuance Plan (the "2007 Plan"). The original 2007 Plan provided for the grant of options to purchase up to 650,860 shares of the Company's common stock. Options granted under the 2007 Plan generally expire no later than ten years from the date of grant. The exercise price of

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

11. STOCKHOLDERS' EQUITY (Continued)

incentive stock options must be equal to at least the fair value of the Company's common stock on the date of grant.

        The 2007 Plan was amended in April 2008, to, among other things, increase the number of shares of common stock authorized for issuance under the 2007 Plan from 650,860 shares to 1,066,946 shares.

        On September 2, 2010, the 2007 Plan was amended again to increase the number of authorized plan shares from 1,066,946 to 1,729,498 shares of common stock. Concurrent with the amendment of the 2007 Plan, in September 2010 the board of directors granted stock options to employees, non-employee board members and consultants for an aggregate of 1,448,301 shares of common stock. The stock options have an exercise price of $1.61 per share. In establishing the exercise price, the board of directors relied on a valuation that concluded as of August 31, 2010 the value of the Company's common stock was $1.61 per share.

        These stock options may be exercised only upon the completion of an initial public offering prior to December 31, 2012. If an initial public offering is not completed prior to December 31, 2012, then the options automatically cancel (see Note 18). The stock options have a 10-year term, and the option shares vest according to one of the following four schedules:

        In December 2010, the Company's board of directors granted options to all of its employees, including its named executive officers, and its non-employee directors, for an aggregate of 571,300 shares of common stock. These stock options may be exercised only upon the completion of an initial public offering prior to December 31, 2012. If an initial public offering is not completed prior to December 31, 2012, then the options automatically cancel.

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Table of Contents


Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

11. STOCKHOLDERS' EQUITY (Continued)

        The following table summarizes the Company's stock option activity and related information for the period from January 1, 2008 to December 31, 2010:

 
  Shares   Weighted
Average
Exercise
Price
  Weighted
Average
Remaining
Term
(years)
  Aggregate
Intrinsic
Value
(in thousands)
 

Outstanding at January 1, 2008

    558,141     1.61              
 

Granted

    454,110     1.96              
 

Exercised

    (107,264 )   1.61              
 

Forfeited

    (114,064 )   1.64              
 

Expired

    (1,546 )   1.61              
                         

Outstanding at December 31, 2008

    789,377     1.81              
 

Granted

    741     2.69              
 

Exercised

    (1,756 )   1.61              
 

Forfeited

    (655,350 )   1.84              
 

Expired

    (80,582 )   1.61              
                         

Outstanding at December 31, 2009

    52,430     1.79              
 

Granted

    2,028,158     2.71              
 

Exercised

    (1,177 )   1.89         $ 1  
 

Forfeited

    (3,337 )   1.89              
 

Expired

    (2,374 )   1.75              
                         

Outstanding at December 31, 2010

    2,073,700   $ 2.69     9.7   $ 5,800  
                   

Exercisable at December 31, 2010

    46,982   $ 1.97     7.5   $ 165  
                   

Vested and expected to vest at December 31, 2010

    1,906,815   $ 2.64     9.7   $ 5,422  
                   

        The weighted average fair value of options granted for the years ended December 31, 2010 and 2009 were $5.61 and $1.94 per share, respectively. The total fair value of options which vested during 2010 and 2009 was approximately $28,000 and $0.1 million, respectively.

        As of December 31, 2010, 363,814 shares of common stock were reserved for future grant of stock options. As of December 31, 2010, $3.9 million of total unrecognized compensation cost related to non-vested stock options is expected to be recognized over the respective vesting terms of each award. The weighted average term of the unrecognized share-based compensation is 3.30 years. As further described in Note 15, unexercised options to purchase an aggregate of 477,820 shares of common stock options were cancelled during 2009, which resulted in share-based compensation of $0.5 million.

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

11. STOCKHOLDERS' EQUITY (Continued)

        The fair values of each option grant in 2010, 2009 and 2008 were estimated using the Black-Scholes option pricing model with the following weighted average assumptions:

 
  Year Ended December 31,  
 
  2010   2009   2008  

Expected dividend yield

    None     None     None  

Risk free interest rate

    1.6–3.4 %   2.1–2.7 %   1.9–3.8 %

Expected volatility

    80.8 %   82.0 %   78.2 %

Expected life of options

    6.25 years     6.25 years     6.25 years  

12. COST OF REVENUES

        Cost of revenues consists of the following:

 
  Year Ended December 31,  
 
  2010   2009   2008  
 
  (in thousands)
 

Cost of supply revenue

  $ 11,031   $ 9,828   $ 14,467  

Cost of royalties

    343     401     567  

Cost of collaborative licensing and development revenue

    902     2,072     2,429  
               

Total cost of revenues

  $ 12,276   $ 12,301   $ 17,463  
               

        Cost of supply revenue consists of the manufacturing and allocated overhead costs related to the Company's supply of DepoCyt(e) and DepoDur to its commercial partners. Cost of royalties consists of payments to Research Development Foundation ("RDF") for the use of DepoFoam technology. Cost of collaborative licensing and development revenue consists of the Company's expenses related to feasibility studies and development work for third parties who desire to utilize the Company's DepoFoam extended release drug delivery technology for their products.

13. COMMITMENTS AND CONTINGENCIES

        The Company leases office, research and development, and manufacturing facilities in San Diego, California. The two facilities in San Diego are comprised of the Science Center location and the Torrey Pines location. The leases for both these facilities expire July 2015. Under these leases, the Company is required to pay certain maintenance expenses in addition to the monthly rent. Rent expense is recognized on a straight-line basis over the lease term for leases that have scheduled rent increases. During 2009, the Company entered into amendments to its real estate leases for the Science Center and Torrey Pines facilities. As part of the lease amendments, the property-owner agreed to defer a portion of the minimum annual rent obligation due from February 1, 2009 to March 31, 2010 in exchange for interest compounded at 10% per annum, and warrants to purchase 23,244 shares of Series A convertible preferred stock with values totaling $141,000 and $63,000 on the Science Center and Torrey Pines facilities, respectively. The total amount of rent deferred will be $438,414 and $2,109,101 for the Torrey Pines and Science Center facilities, respectively. The amounts are to be

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

13. COMMITMENTS AND CONTINGENCIES (Continued)

repaid from April 1, 2010 to September 1, 2011. The warrants are convertible into Series A convertible preferred stock with an exercise price of $13.44 per share and will expire on the earlier of July 1, 2016 or the fifth anniversary of the consummation of the Company's initial public offering. The value of the warrants has been recorded as prepaid interest and is being amortized over the deferred rental payment term. As of December 31, 2010 and 2009, the balance of the related prepaid interest was $27,000 and $141,000, respectively. For the year ended December 31, 2010, the additional interest associated with the deferred payments and amortization of the warrants was $79,000 and $36,000, respectively.

        The Company determined that its lease rates associated with the assumed the Torrey Pines and Science Center facilities' leases were in excess of market rates resulting in a $3.3 million unfavorable lease accrual as of the Acquisition Date. The unfavorable lease accrual, which is recorded in other long-term liabilities in the Company's consolidated balance sheets, is amortized over the remaining terms of the leases. The balance of the unfavorable lease accrual as of December 31, 2010 and 2009 was $1.8 million and $2.2 million, respectively. The annual amortization of the unfavorable lease accrual for 2010, 2009 and 2008 was $0.4 million.

        As of December 31, 2010, annual minimum payments due under the Company's office and equipment lease obligations are as follows (in thousands):

2011

  $ 5,827  

2012

    4,820  

2013

    4,968  

2014

    5,136  

2015

    3,072  
       
 

Total

  $ 23,823  
       

        Total rent expense, net of unfavorable lease obligation amortization, under all operating leases for years ended December 31, 2010, 2009 and 2008 was $4.5 million, $4.6 million and $4.6 million, respectively. Deferred rent at December 31, 2010 and 2009 was $1.3 million and $1.2 million, respectively.

Litigation

        The Company periodically becomes subject to legal proceedings and claims arising in connection with its business. The ultimate legal and financial liability of the Company in respect to all claims, lawsuits and proceedings cannot be estimated with any certainty. Any outcome, either individually or in the aggregate, is not expected to be material to the Company's consolidated financial position, results of operations, or cash flows.

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

14. INCOME TAXES

        A reconciliation of income taxes at the U.S. Federal statutory rate to the provision for income taxes is as follows (in thousands):

 
  Year Ended December 31,  
 
  2010   2009   2008  
 
  (in thousands)
 

Benefit at U.S. Federal statutory rate

  $ (9,548 ) $ (10,901 ) $ (14,887 )

State taxes—deferred

    (2,115 )   (1,713 )   (1,844 )

Increase in valuation allowance

    12,213     12,916     17,417  

Tax credits

    (50 )   (498 )   (1,319 )

Other

    (500 )   196     633  
               

Provision for income taxes

  $   $   $  
               

        Significant components of the Company's deferred tax assets are as follows:

 
  Year Ended December 31,  
 
  2010   2009  
 
  (in thousands)
 

Deferred tax assets:

             
 

Federal and state net operating loss carry-forwards

  $ 44,751   $ 32,321  
 

Federal and state research credits

    2,828     2,778  
 

Depreciation and amortization

    2,563     1,090  
 

Accruals and reserves

    7,781     8,632  
 

Deferred revenue

    8,439     9,302  
 

Other

    306     332  
           

Total gross deferred tax assets

    66,668     54,455  

Less valuation allowance for deferred tax assets

    (66,668 )   (54,455 )
           

Net deferred tax assets

  $   $  
           

        The valuation allowance for deferred tax assets increased by approximately $12.2 million, $12.9 million and $17.4 million during the years ended December 31, 2010, 2009 and 2008, respectively. Management believes the significant doubt regarding the realization of net deferred tax assets requires a full valuation allowance.

        As of December 31, 2010, the Company had Federal and state net operating losses of approximately $111.8 and $97.7 million, respectively. The Company also had Federal and state research and development tax credit carry-forwards of approximately $2.5 and $1.1, respectively. The net operating loss carry-forwards and tax credits will expire at various dates, beginning in 2020, through 2031, if not utilized.

        The Tax Reform Act of 1986 limits the use of net operating loss and tax credit carry-forwards in certain situations where changes occur in the stock ownership of a company. In the event the Company has a change in ownership in the future, as defined by the tax law, utilization of the carry-forwards could be limited.

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

14. INCOME TAXES (Continued)

        The Company follows new accounting principles on accounting for uncertain tax positions. Under these principles, tax positions are evaluated in a two-step process. The Company first determines whether it is more-likely-than-not that a tax position will be sustained upon examination. If a tax position meets the more-likely-than-not recognition threshold it is then measured to determine the amount of benefit to be recognized in the financial statements. The tax position is measured as the largest amount of benefit that has a greater than 50 percent likelihood of being realized upon ultimate settlement.

        The Company did not have a liability related to unrecognized tax benefit as of December 31, 2010 and 2009 due to operating losses but has reduced its deferred tax assets by $476,000 and $420,000, respectively. Further, because the Company has recorded a full valuation allowance on its net deferred assets, the effect of implementing ASC 740 has been a reduction of the allowance by the amount above. A reconciliation of the beginning and ending amount of gross unrecognized tax benefit is as follows:

 
  Year Ended December 31,  
 
  2010   2009  

Balance at beginning of year

  $ 420   $ 330  

Increases related to tax positions taken during the current year

    56     90  

Increases related to tax positions taken during a prior period

         
           

Balance at end of year

  $ 476   $ 420  
           

        No interest or penalties were accrued for 2010, 2009 or 2008.

        The Company is currently open for audit by the United States Internal Revenue Service and state tax jurisdictions for 2006 through 2010.

15. RETIREMENT PLANS AND OTHER EMPLOYEE BENEFITS

        The Company sponsors a 401(k) savings plan. Under the plan, employees may make contributions to the plan, which are eligible for a discretionary percentage match as defined in the plan and determined by the board of directors. There was no compensation expense under the plan for years ended December 31, 2010, 2009 and 2008.

        In March 2009, the Company adopted a company sale bonus plan and in March 2010 the Company amended and restated the company sale bonus plan. The company sale bonus plan provides for a potential cash bonus payment to specified employees and consultants, including executive officers, and non-employee directors, in the event of a sale of the Company. Under the company sale bonus plan, upon the closing of a sale transaction that satisfies specified criteria, each participant in the company sale bonus plan would receive either a bonus in an amount equal to a portion of the sale proceeds multiplied by a specified percentage for that participant or a fixed bonus payment. The plan

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

15. RETIREMENT PLANS AND OTHER EMPLOYEE BENEFITS (Continued)

terminates upon the completion of the Company's initial public offering (see Note 18). As a condition to becoming participants under the plan, most of the participants, including all of the Company's executive officers and non-employee directors, agreed to have their existing option grants cancelled. As a result, unexercised options for an aggregate of 477,820 shares of common stock were cancelled. In addition, certain employees were eligible to receive a retention bonus (equivalent to two weeks of base salary upon receipt of positive data on the EXPAREL Phase 3 clinical trials, or if the Company's board of directors deemed related data to be positive) and a pre-determined percentage of salary in the event of a Company sale. In the fourth quarter of 2009, the Company received positive data on the EXPAREL Phase 3 clinical trials and, accordingly, recorded compensation expense and paid $0.1 million of retention bonuses.

        In October 2010, the Company entered into employment agreements with its executive officers. Each of these agreements provides the executive officer with certain severance benefits in connection with certain terminations of the executive's employment both before and after a change of control.

16. COMMERCIAL PARTNERS AND AGREEMENTS

        In December 2002, the Company entered into a supply and distribution agreement with Enzon Pharmaceuticals Inc. regarding the sale of DepoCyt. Pursuant to the agreement, Enzon was appointed the exclusive distributor of DepoCyt in the United States and Canada. In January 2010, Sigma-Tau Pharmaceuticals, Inc., or Sigma-Tau, acquired the rights to sell DepoCyt from Enzon Pharmaceuticals for the United States and Canada. Under the supply and distribution agreement, the Company supplies unlabeled DepoCyt vials to Sigma-Tau for finished packaging by Sigma-Tau. Under these agreements, the Company receives a fixed payment for manufacturing the vials of DepoCyt and a double-digit royalty on sales by Sigma-Tau in the United States and Canada.

        In June 2003, the Company entered into an agreement granting Mundipharma International Holdings Limited, or Mundipharma, exclusive marketing and distribution rights to DepoCyte in the European Union and certain other European countries. Under the agreement, as amended, and a separate supply agreement, the Company receives a fixed payment for manufacturing the vials of DepoCyte and a double-digit royalty on sales in the applicable territories by Mundipharma.

        In August 2007, the Company entered into a licensing, distribution and marketing agreement with EKR Therapeutics, Inc., or EKR, granting them exclusive distribution rights to DepoDur in North America, South America and Central America. Under this agreement, as amended, the Company was entitled to receive non-refundable license fees of $5.0 million paid upon execution of the agreement in August 2007, $5.0 million paid at the end of 2008, and $5.0 million paid at the end of 2009. As noted above, the Company recognizes revenue from up-front license fees ratably over the performance period as determined under the agreement. The Company capitalized the up-front license fees into a deferred revenue liability, and amortizes the deferred revenue over a period of 15 years, which represents the contract period. Further, under the agreement, as amended, the Company receives a fixed payment for

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

16. COMMERCIAL PARTNERS AND AGREEMENTS (Continued)

manufacturing the vials of DepoDur and a double-digit royalty on sales in the applicable territories by EKR.

        In September 2007, the Company entered into a marketing agreement with Flynn Pharma Limited, or Flynn, granting them exclusive distribution rights to DepoDur in the European Union, certain other European countries, South Africa and the Middle East. Under this agreement and a separate supply agreement with Flynn, the Company provides or procures DepoDur manufacturing supply of finished product for sale in the territories licensed by Flynn, and receives a fixed payment for manufacturing the vials of DepoDur and a double-digit royalty on sales in the applicable territories by Flynn.

        In March 2008, the Company entered into a development and licensing agreement with Amylin Pharmaceuticals, Inc., or Amylin. Under the development and licensing agreement, the Company provides Amylin with access to its proprietary DepoFoam drug delivery technology to conduct research, feasibility and formulation work, and for the manufacturing of pre-clinical and clinical material for various Amylin products. The Company is entitled to payments from Amylin for its work on the formulation and development of compounds with the DepoFoam technology, its achievement of certain clinical development milestones, its achievement of certain worldwide sales and a tiered royalty based upon sales. In April 2008, the Company received a non-refundable up-front license fee of $8.0 million from Amylin. As noted above, the Company recognizes revenue from up-front license fees ratably over the performance period as determined under the agreement. The Company capitalized the up front license fee into a deferred revenue liability, and amortizes the deferred revenue over a period of approximately nine years. The development and licensing agreement with Amylin remains effective, however, neither party is currently performing any activities under the agreement.

        In the ordinary course of its business activities, the Company enters into feasibility study agreements with third parties who desire access to its proprietary DepoFoam extended release drug delivery technology to conduct research, feasibility and formulation work. Under these agreements, the Company is compensated to perform feasibility testing on a third party product to determine the likelihood of developing a successful formulation of that product using its proprietary DepoFoam extended release drug delivery technology. If successful in the feasibility stage, these programs can advance to a full development contract.

17. RELATED PARTY TRANSACTIONS

        During the years ended December 31, 2010 and 2009, the Company entered into 2009 Convertible Note Agreements, 2009 Secured Note Agreements, 2010 Secured Note Agreements and December 2010 Convertible Note Agreements, with certain investors in the Company (see Note 10). The composition of the balances due to these investors is $49.8 million, including accrued interest of $3.4 million, as of December 31, 2010.

        In February 2008, the Company entered into a services agreement with Stack Pharmaceuticals Inc., or SPI, an entity controlled by David Stack, the Company's chief executive officer. Pursuant to the

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

17. RELATED PARTY TRANSACTIONS (Continued)


agreement, SPI provides the Company with the use of SPI's office facilities which include the use of office space for the Company's employees, office furnishings, phone system, internet connections, printers and other related office amenities such as conference rooms. Pursuant to the agreement, the Company paid SPI amounts ranging from $10,500 to $18,250 per month during the term of the services agreement. The term of the agreement was one year and was renewable upon consent of both parties and the agreement may be cancelled with 60 days written notice by either party. In February 2009, we renewed the agreement on a month-to-month basis. In August 2010, we entered into a new services agreement with SPI that replaced the agreement that we entered into in February 2008. Pursuant to the new agreement, SPI provides us with the use of SPI's office facilities which includes the use of office space for our employees, office furnishings, phone system, internet connections, printers and other related office amenities such as conference rooms. In addition, SPI provides consulting services and commercial leadership related to EXPAREL regarding the development of strategic plans and analyses for the commercialization of EXPAREL, support in the development of documents, data and materials for investor and commercial partner presentations and documents, and commercial leadership in support of our website. SPI provides these services from time to time as we request. We pay SPI $2,500 for each day of services provided by SPI up to a maximum of five days per week. We also reimburse SPI for travel expenses incurred by SPI personnel.

        In addition, during 2009 and 2010, SPI performed various projects for the Company. These projects included a business analysis and commercial recommendation for the Company's DepoDur product, a market research project related to the development of a DepoMethotrexate product, market research and forecasting in support of clinical development of EXPAREL for the potential additional indications of nerve block and epidural administration and reimbursement for access to Datamonitor reports for commercial analysis and partnering discussions regarding EXPAREL. The Company incurred expenses under the SPI agreement of $324,000, $210,000 and $258,000 for the years ended December 31, 2010, 2009, and 2008, respectively. As of December 31, 2010 and 2009, the Company had no outstanding balance payable to SPI.

        MPM Asset Management ("MPM"), an investor in the Company, provides clinical management and subscription services to the Company. The Company incurred expenses of $679,000, $316,000 and $30,000 for the years ended December 31, 2010, 2009 and 2008, respectively. $91,000 and $88,000 was payable to MPM as of December 31, 2010 and 2009, respectively.

        In April 2010, the Company signed a statement of work for a feasibility study with Rhythm Pharmaceuticals, Inc. The Company earned $290,000 contract revenue from this statement of work during 2010. MPM and its affiliates are holders of the Company's capital stock. MPM and its affiliates are holders of capital stock of Rhythm Pharmaceuticals, Inc. and a managing director of MPM is a member of the board of directors of Rhythm Pharmaceuticals, Inc.

18. SUBSEQUENT EVENTS

        In February 2011, we completed our initial public offering of our common stock pursuant to a registration statement on Form S-1, as amended (File No. 333-170245) that was declared effective on February 2, 2011. Under the registration statement, we registered the offering and sale of an aggregate of 6,900,000 shares of our common stock. An aggregate of 6,000,000 shares of common stock registered under the registration statement were sold at a price to the public of $7.00 per share. Barclays

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

18. SUBSEQUENT EVENTS (Continued)

Capital Inc. and Piper Jaffray & Co. acted as joint book running managers of the offering and as representatives of the underwriters. The offering commenced on February 3, 2011 and closed on February 8, 2011. The over-allotment option was not exercised by the underwriters. As a result of our IPO, we raised a total of $42.0 million in gross proceeds, and approximately $37.1 million in net proceeds after deducting approximately $4.9 million in underwriting discounts and commissions and estimated offering expenses.

        Upon the closing of the initial public offering, all outstanding Series A convertible preferred stock and the principal and accrued interest balance on the 2009 Convertible Notes, 2009 Secured Notes, 2010 Secured Notes, December 2010 Convertible Notes, and HBM Secured Notes were converted into 10,658,845 shares of common stock, as shown in the table below. Prior to the closing initial public offering, the second closing of the December 2010 Convertible Notes was not consummated.

 
  Conversion
Shares
 

Series A convertible preferred stock

    6,322,640  

2009 Convertible Notes

    871,635  

2009 Secured Notes

    927,881  

2010 Secured Notes

    1,156,606  

HBM Secured Notes

    308,655  

December 2010 Convertible Notes

    1,071,428  

        The Company's 2011 stock incentive plan, or the 2011 Plan, which became effective immediately prior to the completion of the Company's initial public offering, was adopted by its board of directors and approved by its stockholders in December 2010. The 2011 Plan provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards and other stock-based awards. The sum of (up to 2,546,657 shares) (x) the number of shares of its common stock reserved for issuance under the 2007 Plan at such time, and (y) the number of shares of its common stock subject to awards granted under the 2007 Plan that expire, terminate or are otherwise surrendered, cancelled, forfeited or repurchased by the Company pursuant to a contractual repurchase right, are reserved for issuance under the 2011 Plan. In addition, the 2011 Plan contains an "evergreen" provision, which allows for an increase in the number of shares available for issuance under the 2011 Plan on the first day of each calendar year from 2012 through 2015.

        In January 2011, the Company entered into an agreement with Novo Nordisk A/S, or Novo, pursuant to which it granted non-exclusive rights to Novo under certain of its patents and know-how to develop, manufacture and commercialize formulations of a Novo proprietary drug using the Company's DepoFoam drug delivery technology. Under this agreement, the Company agreed to undertake specified development and technology transfer activities and to manufacture pre-clinical and certain clinical supplies of such DepoFoam formulated Novo product until the completion of such technology transfer activities. Novo is obligated to pay for all costs incurred by the Company in conducting such development, manufacturing and technology transfer activities. The Company received a one-time upfront payment of $1.5 million from Novo. The Company is also entitled to receive single-digit

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Pacira Pharmaceuticals, Inc.

Notes to Consolidated Financial Statements (Continued)

18. SUBSEQUENT EVENTS (Continued)

royalties on sales of such Novo product for up to twelve years following the first commercial sale of such Novo product. In addition, the Company is entitled to receive up to $24 million in milestone payments based on achievement of specified development events, and up to an additional $20 million in milestone payments based on sales of such Novo product exceeding specified amounts. Each party has the right to terminate the agreement for an uncured material breach by the other party or in connection with the other party's bankruptcy or similar event. In addition, Novo has the right to terminate the agreement for convenience at any time upon sixty (60) days notice prior to commercialization of such Novo product and upon ninety (90) days notice thereafter, subject to Novo's payment of a specified termination fee if, after initiation of the technology transfer but prior to commercialization, Novo terminates the agreement other than for certain specified reasons. The Company also has the right to terminate the agreement if (1) Novo decides to discontinue or terminate the development or commercialization of such Novo product, (2) such Novo product no longer has regulatory approval in any market, or (3) Novo or any of its affiliates or sublicensees of such Novo product challenges the validity or enforceability of any of the licensed patents.

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Pacira Pharmaceuticals, Inc.

CONSOLIDATED BALANCE SHEETS

(Unaudited)

(in thousands, except share and per share amounts)

 
  September 30,
2011
  December 31,
2010
 
 
   
  (Note 2)
 

ASSETS

             

Current assets:

             
 

Cash and cash equivalents

  $ 16,402   $ 26,133  
 

Restricted cash

    1,687     1,314  
 

Short-term investments

    20,666      
 

Trade accounts receivable

    1,496     1,191  
 

Inventories

    1,667     1,605  
 

Prepaid expenses and other current assets

    1,482     812  
           
   

Total current assets

    43,400     31,055  

Fixed assets, net

    25,825     23,950  

Intangibles, net

    7,204     8,912  

Other assets, net

    1,180     2,645  
           
   

Total assets

  $ 77,609   $ 66,562  
           

LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

             

Current liabilities:

             
 

Accounts payable

  $ 4,313   $ 5,775  
 

Accrued expenses

    4,998     3,523  
 

Current portion of royalty interest obligation

    1,293     1,575  
 

Current portion of deferred revenue

    2,354     2,267  
 

Current portion of long-term debt

    4,871     3,182  
           
   

Total current liabilities

    17,829     16,322  

Related party debt, including accrued interest

        49,795  

Long-term debt

    20,603     21,869  

Royalty interest obligation

    1,842     2,996  

Deferred revenue

    17,847     18,138  

Contingent purchase liability

    2,042     2,042  

Other liabilities

    3,571     3,783  
           
 

Total liabilities

    63,734     114,945  
           

Commitments and contingencies

             

Stockholders' equity (deficit):

             

Preferred stock, par value $0.001; 5,000,000 shares authorized, none issued and outstanding at September 30, 2011; 88,000,000 shares authorized, 6,322,640 shares issued and outstanding at December 31, 2010 (liquidation preference $85,000,000)

        6  

Common stock, par value $0.001; 250,000,000 shares authorized, 17,229,892 shares issued and 17,228,827 shares outstanding at September 30, 2011; 120,000,000 authorized, 575,095 shares issued and 574,030 shares outstanding at December 31, 2010

    17     1  

Additional paid-in capital

    178,821     88,523  

Accumulated deficit

    (164,956 )   (136,911 )

Accumulated other comprehensive loss

    (5 )    

Treasury stock at cost, 1,065 shares at September 30, 2011 and December 31, 2010

    (2 )   (2 )
           
 

Total stockholders' equity (deficit)

    13,875     (48,383 )
           
 

Total liabilities and stockholders' equity (deficit)

  $ 77,609   $ 66,562  
           

See accompanying notes to consolidated financial statements.

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Pacira Pharmaceuticals, Inc.

CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

(in thousands, except share and per share amounts)

 
  Nine Months Ended
September 30,
 
 
  2011   2010  

Revenues:

             
 

Supply revenue

  $ 4,868   $ 7,127  
 

Royalties

    2,743     2,693  
 

Collaborative licensing and development revenue

    3,845     2,551  
           
   

Total revenues

    11,456     12,371  
           

Operating expenses:

             
 

Cost of revenues

    10,138     10,168  
 

Research and development

    12,237     14,954  
 

Selling, general and administrative

    13,465     3,948  
           
   

Total operating expenses

    35,840     29,070  
           

Loss from operations

    (24,384 )   (16,699 )
           

Other (expense) income:

             
 

Interest income

    111     112  
 

Interest expense

    (4,068 )   (2,577 )
 

Royalty interest obligation

    235     (1,048 )
 

Other, net

    61     107  
           
   

Total other expense, net

    (3,661 )   (3,406 )
           

Net loss

  $ (28,045 ) $ (20,105 )
           

Net loss per share:

             

Basic and diluted net loss per common share

  $ (1.89 ) $ (35.02 )

Weighted average common shares outstanding:

             

Basic and diluted

    14,826,054     574,112  

See accompanying notes to consolidated financial statements.

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Pacira Pharmaceuticals, Inc.

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT)

For the Nine Months Ended September 30, 2011

(Unaudited)

(in thousands)

 
  Preferred Stock   Common Stock    
   
   
  Accumulated
Other
Comprehensive
Loss
   
 
 
  Additional
Paid-In
Capital
  Accumulated
Deficit
  Treasury
Stock
   
 
 
  Shares   Amount   Shares   Amount   Total  

Balances at December 31, 2010

    6,322   $ 6     575   $ 1   $ 88,523   $ (136,911 ) $ (2 ) $   $ (48,383 )
 

Exercise of stock options

            7         12                 12  
 

Share-based compensation

                    1,965                 1,965  
 

Initial public offering, net of issuance costs

            6,000     6     37,103                 37,109  
 

Conversion of preferred stock

    (6,322 )   (6 )   6,322     6                      
 

Conversion of 2009 Convertible Notes

            872     1     11,717                 11,718  
 

Conversion of 2009 Secured Notes

            928     1     12,473                 12,474  
 

Conversion of 2010 Secured Notes

            1,157     1     15,548                 15,549  
 

Conversion of 2010 Convertible Notes

            1,071     1     7,499                 7,500  
 

Conversion of HBM Secured Notes

            297         3,981                 3,981  
 

Unrealized loss on short-term investments

                                (5 )   (5 )
 

Net loss

                        (28,045 )           (28,045 )
                                       

Balances at September 30, 2011

      $     17,229   $ 17   $ 178,821   $ (164,956 ) $ (2 ) $ (5 )   13,875  
                                       

See accompanying notes to consolidated financial statements.

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Pacira Pharmaceuticals, Inc.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(in thousands)

 
  Nine Months Ended
September 30,
 
 
  2011   2010  

Operating activities:

             

Net loss

  $ (28,045 ) $ (20,105 )

Adjustments to reconcile net loss to net cash used in operating activities:

             
 

Depreciation and amortization

    3,030     3,066  
 

Amortization of deferred financing costs and unfavorable lease obligation

    (29 )   (58 )
 

Amortization of note discounts and warrants

    1,540     94  
 

Loss on disposal of fixed assets

    3      
 

Share-based compensation

    1,965     17  
 

Change in royalty interest obligation

    (1,435 )   (191 )

Changes in operating assets and liabilities:

             
 

Restricted cash

    (373 )   (863 )
 

Trade accounts receivable

    (305 )   (1,076 )
 

Inventories

    (62 )   679  
 

Prepaid expenses and other assets

    (908 )   13  
 

Accounts payable

    (778 )   262  
 

Other liabilities

    2,197     909  
 

Deferred revenue

    (204 )   (1,788 )
           
   

Net cash used in operating activities

    (23,404 )   (19,041 )
           

Investing activities:

             
 

Purchase of fixed assets

    (3,684 )   (3,821 )
 

Purchase of short-term investments

    (20,671 )    
           
   

Net cash used in investing activities

    (24,355 )   (3,821 )
           

Financing activities:

             
 

Proceeds from exercise of stock options

    12     1  
 

Purchase of treasury stock

        (2 )
 

Proceeds from initial public offering, net

    38,016      
 

Proceeds from secured promissory notes

        18,750  
 

Proceeds from credit facility

        11,250  
 

Financing costs

        (363 )
           
   

Net cash provided by financing activities

    38,028     29,636  
           

Net (decrease) increase in cash and cash equivalents

    (9,731 )   6,774  

Cash and cash equivalents, beginning of period

    26,133     7,077  
           

Cash and cash equivalents, end of period

  $ 16,402   $ 13,851  
           

Supplemental cash flow information

             
 

Cash paid for interest, including royalty interest obligation

  $ 3,573   $ 1,787  
 

Initial public offering costs paid in 2010

    907      

Non cash investing and financing activities:

             
 

Conversion of notes to common stock

  $ 51,222   $  
 

Conversion of preferred stock to common stock

    6      

See accompanying notes to consolidated financial statements.

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1—DESCRIPTION OF BUSINESS

        Pacira Pharmaceuticals, Inc. and its subsidiaries (collectively, the "Company" or "Pacira") is an emerging specialty pharmaceutical company focused on the development, commercialization and manufacture of proprietary pharmaceutical products, based on its proprietary DepoFoam extended release drug delivery technology, for use in hospitals and ambulatory surgery centers. The Company's lead product EXPAREL, which consists of bupivacaine encapsulated in DepoFoam, was approved by the FDA on October 28, 2011. DepoFoam is also the basis for the Company's other two FDA-approved commercial products, DepoCyt(e) and DepoDur, which the Company manufactures for its commercial partners.

        The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. The Company has reported for the nine months ended September 30, 2011 net losses of $28.0 million and cash flows used in operating activities of $23.4 million. As of September 30, 2011, the Company had stockholders' equity of $13.9 million. The Company has incurred losses and negative operating cash flow since inception and future losses are anticipated. The Company's continued operations will depend on its ability to raise additional funds through sources such as equity and debt financing and revenues from the commercial sale of EXPAREL. Insufficient funds could require the Company to delay, scale back or eliminate one or more of its research and development programs. The ability of the Company to continue as a going concern is dependent on improving the Company's profitability and cash flow and securing additional financing. While the Company believes in the viability of its strategy to raise additional funds, and believes that the actions presently being taken by the Company provide the opportunity for it to continue as a going concern, there can be no assurance that any financing will be available on acceptable terms, or at all. These condensed consolidated financial statements do not include any adjustments related to the recoverability and classification of asset amounts or the amounts and classification of liabilities that might be necessary if the Company is unable to continue as a going concern.

Note 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

        The consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America, or GAAP, and in accordance with the rules and regulations of the Securities and Exchange Commission, or SEC, for interim reporting. Pursuant to these rules and regulations, certain information and footnote disclosures normally included in complete annual financial statements have been condensed or omitted. Therefore, these interim financial statements should be read in conjunction with the audited annual consolidated financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010, filed with the SEC on March 31, 2011.

        The consolidated financial statements at September 30, 2011 and for nine months ended September 30, 2011 and 2010, are unaudited, but includes all adjustments (consisting of only normal recurring adjustments) which, in the opinion of management, are necessary to present fairly the financial information set forth herein in accordance with GAAP. The balance sheet as of December 31, 2010 has been derived from the audited financial statements included in the Form 10-K for that year.

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


Certain reclassifications were made to conform to the current presentation. The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation.

        The results of operations for the interim periods are not necessarily indicative of results that may be expected for any other interim period or for the full year. The Company has incurred losses and negative operating cash flow since inception and future losses are anticipated. As further described in Note 8, the Company raised $42.0 million of gross proceeds, and approximately $37.1 million in net proceeds after deducting underwriting discounts and commissions and offering expense through an initial public offering completed on February 8, 2011.

        In September 2011, the Financial Accounting Standards Board, or FASB, released Accounting Standards Update, or ASU, No. 2011-08, "Intangibles-Goodwill and Other." The amended guidance will allow companies to assess qualitative factors to determine if it is more-likely-than-not that goodwill might be impaired and whether it is necessary to perform the two-step goodwill impairment test required under current accounting standards. This guidance is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011 (January 1, 2012 for the Company). The Company has determined that this guidance will not have a material impact on its consolidated financial statements.

        In June 2011, the FASB issued ASU No. 2011-05, "Presentation of Comprehensive Income." These changes give an entity the option to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements; the option to present components of other comprehensive income as part of the statement of changes in stockholders' equity was eliminated. ASU No. 2011-05 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2011 (January 1, 2012 for the Company) and interim and annual periods thereafter. Early adoption is permitted, and full retrospective application is required. Since this ASU pertains to presentation requirements only, the adoption of this ASU will not have a material impact on the Company's consolidated financial statements.

        On January 12, 2011, the Company effected a one-for-10.755 reverse stock split of the Company's outstanding common stock. Stockholders entitled to fractional shares as a result of the reverse stock split received a cash payment for such fractional shares in lieu of receiving fractional shares. The reverse stock split affected all holders of the Company's preferred stock and common stock uniformly. All references to common stock and per share information, except par value, in the accompanying consolidated financial statements and notes thereto have been adjusted retrospectively to reflect the effect of the reverse stock split.

        On February 8, 2011, the Company completed an initial public offering of common stock, as further described in Note 8. Upon the closing of the initial public offering, all outstanding shares of Series A convertible preferred stock and the principal and accrued interest balance on the 2009

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


Convertible Notes, 2009 Secured Notes, 2010 Secured Notes, 2010 Convertible Notes, and HBM Secured Notes were converted into 10,647,549 shares of common stock. On February 8, 2011, the Company filed an Amended and Restated Certificate of Incorporation ("Amended Certificate of Incorporation"), whereby the Company (i) increased its authorized common stock from 120,000,000 shares ($0.001 par value) to 250,000,000 shares ($0.001 par value), (ii) authorized 5,000,000 shares ($0.001 par value) of preferred stock, and (iii) eliminated the previously existing series of preferred stock.

        The Company's customers are its commercial, distribution and licensing partners. For the nine months ended September 30, 2011, the Company's three largest customers accounted for 45%, 20% and 19%, respectively, of the Company's revenues. For the nine months ended September 30, 2010, the Company's four largest customers accounted for 52%, 21%, 11% and 10% individually, of the Company's revenues. No other individual customer accounted for more than 10% of the Company's revenues for these periods. The Company is dependent on its commercial partners to market and sell DepoCyt(e) and DepoDur, from which a substantial portion of its revenues is derived. Therefore, the Company's future revenues from these products are highly dependent on commercial and distribution arrangements.

        Net loss per share was determined in accordance with the two-class method. This method is used for computing basic net loss per share when companies have issued securities other than common stock that contractually entitle the holder to participate in dividends and earnings of the Company. Under the two-class method, net loss is allocated between common shares and other participating securities based on their participation rights in both distributed and undistributed earnings. The Company's Series A convertible preferred stock was a participating security, because the stockholders of the Series A Convertible preferred stock were entitled to share in dividends declared by the board of directors with the common stock based on their equivalent common shares.

        Basic net loss per share is computed by dividing net loss applicable to common stockholders by the weighted average number of shares of common stock outstanding during the period. Because the holders of the Series A Convertible Preferred Stock were not contractually required to share in the Company's losses, in applying the two-class method to compute basic net loss per common share no allocation to preferred stock was made.

        Diluted net loss per share is calculated by dividing net loss available to common stockholders as adjusted for the effect of dilutive securities, if any, by the weighted average number of common stock and dilutive common stock outstanding during the period. Potential common shares include the shares of common stock issuable upon the exercise of outstanding stock options and warrants (using the treasury stock method) and the conversion of the shares of Series A convertible preferred stock (using the more dilutive of the (a) as converted method or (b) the two-class method). Potential common shares in the diluted net loss per share computation are excluded to the extent that they would be anti-dilutive. No potentially dilutive securities are included in the computation of any diluted per share amounts as the Company reported a net loss for all periods presented. Potentially dilutive securities

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


that would be issued upon the conversion of convertible notes, conversion of Series A convertible preferred stock and the exercise of outstanding warrants and stock options, were 1.4 million and 7.2 million for the nine months ended September 30, 2011 and 2010, respectively.

Note 3—FINANCIAL INSTRUMENTS

        Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market in an orderly transaction. To increase consistency and comparability in fair value measurements, the FASB established a three-level hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels are:

        The carrying value of financial instruments including cash and cash equivalents, restricted cash, accounts receivable, notes receivable, and accounts payable approximate their respective fair values due to the short-term maturities of these instruments and debts. The carrying value of the long-term debt approximates its fair value since the interest rate approximates current market rates for similar instruments.

        Short-term investments consist of investment grade commercial paper and corporate bonds with initial maturities of greater than three months at the date of purchase but less than one year. The net unrealized gains (losses) from the Company's short-term investments are captured in other comprehensive loss. At September 30, 2011, all of the Company's short-term investments are classified as available for sale investments and determined to be Level 2 instruments, which are measured at fair value using standard industry models with observable inputs. At September 30, 2011, we had $20.7 million invested in short-term investments which were rated A or better by Standard & Poor's and had maturities ranging from 134 to 173 days from date of purchase. The following summarizes the Company's short-term investments at September 30, 2011 (in thousands):

 
  Cost   Unrealized
Gains
  Unrealized
Losses
  Fair Value
(Level 2)
 

Debt securities:

                         

Commercial Paper

  $ 13,497   $ 3   $   $ 13,500  

Corporate Bonds

    7,174         (8 )   7,166  
                   
 

Total

  $ 20,671   $ 3   $ (8 ) $ 20,666  
                   

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 3—FINANCIAL INSTRUMENTS (Continued)

        Financial instruments which potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, short-term investments and accounts receivable. The Company maintains its cash and cash equivalents with high-credit quality financial institutions. At times, such amounts may exceed Federal insured limits.

        As of September 30, 2011, three customers accounted for 70%, 19% and 10%, respectively, of the Company's trade accounts receivable. As of December 31, 2010, three customers accounted for 66%, 17% and 11%, respectively, of the Company's trade accounts receivable.

Note 4—INVENTORIES

        The components of inventories were as follows (in thousands):

 
  September 30,
2011
  December 31,
2010
 

Raw materials

  $ 822   $ 1,108  

Work-in-process

    439     10  

Finished goods

    406     487  
           
 

Total

  $ 1,667   $ 1,605  
           

Note 5—FIXED ASSETS

        Fixed assets, at cost, summarized by major category, consist of the following (in thousands):

 
  September 30,
2011
  December 31,
2010
 

Machinery and laboratory equipment

  $ 7,349   $ 7,002  

Computer equipment and software

    848     765  

Office furniture and equipment

    157     167  

Leasehold improvements

    4,332     3,938  

Construction in progress

    20,489     18,144  
           
 

Total

    33,175     30,016  

Less accumulated depreciation

    (7,350 )   (6,066 )
           
   

Fixed assets, net

  $ 25,825   $ 23,950  
           

        Depreciation expense was $1.3 million and $1.4 million for the nine months ended September 30, 2011 and 2010 respectively.

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Table of Contents


Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 6—INTANGIBLE ASSETS

        Intangible assets are summarized as follows (in thousands):

 
  September 30,
2011
  December 31,
2010
  Estimated Useful Life

Core Technology

               
 

Gross amount

  $ 2,900   $ 2,900   9 years
 

Accumulated amortization

    (1,450 )   (1,208 )  
             
   

Net

    1,450     1,692    
             

Developed Technology

               
 

Gross amount

    11,700     11,700   7 years
 

Accumulated amortization

    (7,521 )   (6,268 )  
             
   

Net

    4,179     5,432    
             

Trademarks and trade names

               
 

Gross amount

    500     500   7 years
 

Accumulated amortization

    (310 )   (253 )  
             
   

Net

    190     247    
             

DepoDur Rights

               
 

Gross amount

    2,058     2,058   Remaining patent life
 

Accumulated amortization

    (673 )   (517 ) ending November 2018
             
   

Net

    1,385     1,541    
             

Intangible assets, net

  $ 7,204   $ 8,912    
             

        Amortization expense for intangibles was $1.7 million for each of the nine months ended September 30, 2011 and 2010. Amortization expenses associated with the Company's commercial products and developed technology are included in cost of revenues. Amortization expenses associated with the Company's products in development are included in research and development expenses.

        The approximate amortization expense for intangibles, all of which are subject to amortization, is as follows (in thousands):

 
  Core
Technology
  Developed
Technology
  Trademarks
and
Tradenames
  DepoDur
Rights
  Total  

2011 (remaining three months)

  $ 81   $ 418   $ 18   $ 49   $ 566  

2012

    322     1,671     76     196     2,265  

2013

    322     1,671     76     196     2,265  

2014

    322     419     20     196     957  

2015

    322             196     518  

Thereafter

    81             552     633  
                       

Total

  $ 1,450   $ 4,179   $ 190   $ 1,385   $ 7,204  
                       

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 7—DEBT AND FINANCING OBLIGATIONS

        The composition of the Company's debt and financing obligations is as follows (in thousands):

 
  September 30,
2011
  December 31,
2010
 

Related party debt, including accrued interest:

             
 

2009 Convertible Notes

  $   $ 11,655  
 

2009 Secured Notes

        12,324  
 

2010 Secured Notes

        15,462  
 

2010 HBM Secured Notes

        3,945  
 

2010 Convertible Notes, net of debt discount

        6,409  
           

        49,795  
           

Financing obligations:

             
 

Hercules Note, current portion

    4,871     3,182  
 

Hercules Note, long-term portion, net of debt discount

    20,603     21,869  
 

Royalty interest obligation, current portion

    1,293     1,575  
 

Royalty interest obligation, long-term portion

    1,842     2,996  
           

    28,609     29,622  
           
 

Total debt and financing obligations

  $ 28,609   $ 79,417  
           

        Upon completion of the initial public offering in February 2011, all outstanding principal and accrued interest, which totaled $11.7 million under the 2009 Convertible Notes was converted into 871,635 shares of common stock.

        Upon the completion of the initial public offering in February 2011, all outstanding principal and accrued interest, which totaled $12.5 million under the 2009 Secured Notes was converted into an aggregate of 927,881 shares of common stock.

        Upon the completion of the initial public offering in February 2011, all outstanding principal and accrued interest, which totaled $15.5 million under the 2010 Secured Notes was converted into an aggregate of 1,156,606 shares of common stock.

        Upon the completion of the initial public offering in February 2011, all outstanding principal on the 2010 Convertible Notes of $7.5 million was converted into an aggregate of 1,071,428 shares of common stock. Due to this conversion, the combined value of $1.1 million representing the warrants, which were issued in connection with the issuance and sale of the 2010 Convertible Notes, and the beneficial conversion feature was amortized in full.

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 7—DEBT AND FINANCING OBLIGATIONS (Continued)

        Upon the completion of the initial public offering in February 2011, all outstanding principal and accrued interest, which totaled $4.0 million, and an early prepayment penalty, under the HBM Secured Notes was converted into 297,359 shares of common stock.

        The outstanding principal on the term loan (Hercules Note) under the Hercules Credit Facility entered into on November 24, 2010 was $26.3 million as of September 30, 2011 and December 31, 2010. The term loan under the Hercules Credit Facility is comprised of two tranches, Tranche A and Tranche B. The Tranche A portion of the term loan is comprised of $11.3 million in principal and carries a floating per annum interest rate equal to 10.25% plus the amount, if any, by which the prime rate exceeds 4.00%. The Tranche B portion of the term loan is comprised of $15.0 million in principal and carries a floating per annum interest rate equal to 12.65% plus the amount, if any, by which the prime rate exceeds 4.00%. As of September 30, 2011, the blended interest rate on the Hercules Note was 11.62%.

        The Hercules Note provides for an "interest only period" when no principal amounts are due and payable. The interest only period was initially from November 24, 2010 through August 31, 2011, but was extended through November 30, 2011, upon the Company's request after certain conditions were met. See Note 12—Susbequent Events for further discussion. Following the end of the interest only period, the term loan is to be repaid in 33 monthly installments of principal and interest beginning on the first business day after the month in which the interest only period ends. The Company's principal payments as of September 30, 2011 are currently due as follows: $7.1 million in 2012, $9.4 million in 2013 and $9.8 million in 2014.

Note 8—STOCKHOLDERS' EQUITY (DEFICIT)

        On February 8, 2011, the Company completed an initial public offering of its common stock pursuant to a registration statement on Form S-1, as amended (File No. 333-170245) that was declared effective by the SEC on February 2, 2011. An aggregate of 6,000,000 shares of common stock registered under the registration statement were sold at a price to the public of $7.00 per share. The over-allotment option was not exercised by the underwriters. As a result of the initial public offering, the Company raised a total of $42.0 million in gross proceeds, and approximately $37.1 million in net proceeds after deducting underwriting discounts and commissions and offering expenses.

        Upon the closing of the initial public offering, all shares of outstanding Series A convertible preferred stock and the principal and accrued interest balance on the 2009 Convertible Notes, 2009

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 8—STOCKHOLDERS' EQUITY (DEFICIT) (Continued)


Secured Notes, 2010 Secured Notes, 2010 Convertible Notes, and HBM Secured Notes were converted into an aggregate of 10,647,549 shares of common stock, as shown in the table below:

 
  Conversion
Shares
 

Series A Convertible Preferred Stock

    6,322,640  

2009 Convertible Notes

    871,635  

2009 Secured Notes

    927,881  

2010 Secured Notes

    1,156,606  

HBM Secured Notes

    297,359  

2010 Convertible Notes

    1,071,428  
       

    10,647,549  
       

        The Company recognized share-based compensation in its consolidated statements of operations for the periods ended September 30, 2011 and 2010 as follows (in thousands):

 
  Nine Months Ended
September 30,
 
 
  2011   2010  

Cost of revenues

  $ 145   $ 9  

Research and development

    234     7  

Selling, general and administrative

    1,586     1  
           
 

Total

  $ 1,965   $ 17  
           

        The terms of the stock options granted in September and December 2010 stipulated that they may be exercised only upon the completion of the initial public offering. Consequently, the expense associated with these options was deferred until the successful completion of the initial public offering in February 2011.

        The Company's 2011 stock incentive plan, or 2011 Plan, which became effective immediately prior to the completion of the Company's initial public offering in February 2011, was adopted by its board of directors and approved by its stockholders in December 2010. The 2011 Plan provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards and other stock-based awards. The remaining shares available for issuance under the 2007 Plan at the time of the completion of the Company's initial public offering were reallocated to the 2011 Plan. The 2011 Plan contains an "evergreen" provision, which allows for an increase in the number of shares available for issuance

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 8—STOCKHOLDERS' EQUITY (DEFICIT) (Continued)

under the 2011 Plan on the first day of each calendar year from 2012 through 2015. The following table contains information about the Company's plans at September 30, 2011:

Plan
  Awards Reserved
for Issuance
  Awards Issued   Awards Available
for Grant
 

2011 Plan

    407,476     346,234     61,242  

2007 Plan

    2,139,181     2,139,181      
               

    2,546,657     2,485,415     61,242  
               

        Included in the awards issued as shown above are options to purchase 36,750 shares of the Company's stock that were approved as of September 30, 2011 but priced in October 2011. The following table summarizes the Company's stock option activity and related information for the period from December 31, 2010 to September 30, 2011:

 
  Shares   Weighted
Average
Exercise Price
 

Outstanding at December 31, 2010

    2,073,700   $ 2.69  
 

Granted

    309,484     10.58  
 

Exercised

    (7,245 )   1.65  
 

Forfeited

    (41,967 )   3.49  
 

Expired

    (1,685 )   2.69  
             

Outstanding at September 30, 2011

    2,332,287   $ 3.72  
             

Note 9—COMMERCIAL PARTNERS AND AGREEMENTS

        In January 2011, the Company entered into an agreement, or the Novo Agreement, with Novo Nordisk A/S, or Novo, pursuant to which it granted non-exclusive rights to Novo under certain of its patents and know-how to develop, manufacture and commercialize formulations of a Novo proprietary drug using the Company's DepoFoam drug delivery technology. Under the Novo Agreement, the Company agreed to undertake specified development and technology transfer activities and to manufacture pre-clinical and certain clinical supplies of such DepoFoam formulated Novo product until the completion of such technology transfer activities. Novo is obligated to pay for all costs incurred by the Company in conducting such development, manufacturing and technology transfer activities. The Company received an upfront license fee of $1.5 million from Novo, which is being recognized on a straight-line basis over the estimated contract term as collaborative licensing and development revenue. The Company is also entitled to receive single-digit royalties on sales of such Novo product if approved for commercialization. In addition, the Company is entitled to receive up to $24.0 million in milestone payments based on achievement of specified development events, and up to an additional $20.0 million in milestone payments based on sales of such Novo product exceeding specified amounts. The term of the Novo Agreement shall expire, on a country-by-country basis, upon the later of the date of expiration of all payment obligations under the Novo Agreement or twelve years following the first

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 9—COMMERCIAL PARTNERS AND AGREEMENTS (Continued)

commercial sale of such Novo product. The Novo Agreement is subject to earlier termination under certain circumstances.

Note 10—RELATED PARTY TRANSACTIONS

        In June 2011, the Company entered into an agreement with one of the members of its board of directors to provide consulting services for manufacturing related activities. The fees payable under the agreement may not exceed $60,000 per year. The amount of fees incurred for the nine months ended September 30, 2011 was not material.

        During 2009 and 2010, the Company entered into 2009 Convertible Note, 2009 Secured Note, 2010 Secured Note, 2010 Convertible Note and HBM Secured Notes, with certain investors in the Company (see Note 7). Upon the completion of the initial public offering in February 2011, the outstanding balances due to these investors of $51.2 million, including accrued interest of $4.8 million, were converted into an aggregate of 4,324,909 shares of common stock.

        The Company incurred expenses under the services agreement with Stack Pharmaceuticals Inc., or SPI, an entity controlled by David Stack, the Company's chief executive officer, of approximately $0.2 million for each of the nine months ended September 30, 2011 and 2010. As of September 30, 2011 and December 31, 2010, the Company had no outstanding balance payable to SPI.

        MPM Asset Management, or MPM, an investor in the Company, provides clinical management and subscription services to the Company. The Company incurred expenses of approximately $0.3 million and $0.6 million for the nine months ended September 30, 2011 and 2010, respectively. Approximately $0.1 million was payable to MPM as of September 30, 2011 and December 31, 2010.

Note 11—LEASES

        In August 2011, the Company entered into a new lease contract for its corporate headquarters in Parsippany, New Jersey. The lease for this facility begins in November 2011 and expires in June 2017. Under the lease, the Company is required to pay certain maintenance expenses in addition to rent. The annual minimum rental payments due under the new lease are as follows (in thousands):

Year
  Rent Payment  

2011 (remaining three months)

  $  

2012

    282  

2013

    313  

2014

    323  

2015

    357  

2016

    400  

2017 (six months)

    268  
       
 

Total

  $ 1,943  
       

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Pacira Pharmaceuticals, Inc.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Note 12—SUBSEQUENT EVENTS

        On October 28, 2011, the FDA approved the Company's New Drug Application, or NDA, for its lead product candidate, EXPAREL, a liposome injection of bupivacaine, an amide-type local anesthetic, indicated for administration into the surgical site to produce postsurgical analgesia.

        Tranche A of the Hercules Credit Facility is guaranteed by certain of the Company's investors which guarantee is limited to each investor's pro rata portion of the outstanding principal and accrued and unpaid interest of Tranche A under the Hercules Credit Facility, but in no event exceeding $11.3 million in the aggregate. The Hercules loan agreement provides that, upon the occurrence of certain circumstances and upon the Company's request, the investors' guarantee may be terminated and released. On October 28, 2011, the Company met the required conditions and requested the release of the guaranty. Upon the release of the investors' guaranty, the interest rate on the Tranche A portion of the term loan will increase to a floating per annum interest rate equal to 11.00% plus the amount, if any, by which the prime rate exceeds 4.00%. In addition, the Company also elected to extend the interest only period from November 30, 2011 to February 28, 2012.

        On October 18, 2011, a development milestone was triggered pursuant to the Novo Agreement (see Note 9), which entitles the Company to a $2.0 million cash payment.

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6,000,000 Shares

GRAPHIC

Common Stock



Prospectus

                         , 2011



Barclays Capital

Jefferies



Piper Jaffray

Wedbush PacGrow Life Sciences

Brean Murray, Carret & Co.

Until                            , 2011 which is the date 25 days after the date of this prospectus, all dealers that effect transactions in these securities, whether or not participating in this offering, may be required to deliver a prospectus. This is in addition to the dealers' obligation to deliver a prospectus when acting as underwriters and with respect to their unsold allotments or subscriptions.


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PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 13.    Other Expenses of Issuance and Distribution

        The following table indicates the expenses to be incurred in connection with the offering described in this Registration Statement, other than underwriting discounts and commissions, all of which will be paid by the Registrant. All amounts are estimated except the Securities and Exchange Commission registration fee and the FINRA filing fee.

 
  Amount  

Securities and Exchange Commission registration fee

  $ 6,097  

FINRA filing fee

    5,820  

Accountants' fees and expenses

    100,000  

Legal fees and expenses

    250,000  

Blue Sky fees and expenses

    10,000  

Transfer Agent's fees and expenses

    5,000  

Printing and engraving expenses

    100,000  

Miscellaneous

    23,083  
       

Total Expenses

  $ 500,000  
       

Item 14.    Indemnification of Directors and Officers

        Section 102 of the General Corporation Law of the State of Delaware permits a corporation to eliminate the personal liability of directors of a corporation to the corporation or its stockholders for monetary damages for a breach of fiduciary duty as a director, except where the director breached his duty of loyalty, failed to act in good faith, engaged in intentional misconduct or knowingly violated a law, authorized the payment of a dividend or approved a stock repurchase in violation of Delaware corporate law or obtained an improper personal benefit. Our restated certificate of incorporation that will become effective upon the completion of this offering provides that no director of the Registrant shall be personally liable to it or its stockholders for monetary damages for any breach of fiduciary duty as director, notwithstanding any provision of law imposing such liability, except to the extent that the General Corporation Law of the State of Delaware prohibits the elimination or limitation of liability of directors for breaches of fiduciary duty.

        Section 145 of the General Corporation Law of the State of Delaware provides that a corporation has the power to indemnify a director, officer, employee, or agent of the corporation and certain other persons serving at the request of the corporation in related capacities against expenses (including attorneys' fees), judgments, fines and amounts paid in settlements actually and reasonably incurred by the person in connection with an action, suit or proceeding to which he is or is threatened to be made a party by reason of such position, if such person acted in good faith and in a manner he reasonably believed to be in or not opposed to the best interests of the corporation, and, in any criminal action or proceeding, had no reasonable cause to believe his conduct was unlawful, except that, in the case of actions brought by or in the right of the corporation, no indemnification shall be made with respect to any claim, issue or matter as to which such person shall have been adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery or other adjudicating court determines that, despite the adjudication of liability but in view of all of the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem proper.

        Our restated certificate of incorporation provides that we will indemnify each person who was or is a party or threatened to be made a party to any threatened, pending or completed action, suit or

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proceeding (other than an action by or in the right of Pacira) by reason of the fact that he or she is or was, or has agreed to become, a director or officer of Pacira, or is or was serving, or has agreed to serve, at our request as a director, officer, partner, employee or trustee of, or in a similar capacity with, another corporation, partnership, joint venture, trust or other enterprise (all such persons being referred to as an "Indemnitee"), or by reason of any action alleged to have been taken or omitted in such capacity, against all expenses (including attorneys' fees), judgments, fines and amounts paid in settlement actually and reasonably incurred in connection with such action, suit or proceeding and any appeal therefrom, if such Indemnitee acted in good faith and in a manner he or she reasonably believed to be in, or not opposed to, our best interests, and, with respect to any criminal action or proceeding, he or she had no reasonable cause to believe his or her conduct was unlawful. Our restated certificate of incorporation provides that we will indemnify any Indemnitee who was or is a party to an action or suit by or in the right of Pacira to procure a judgment in our favor by reason of the fact that the Indemnitee is or was, or has agreed to become, a director or officer of Pacira, or is or was serving, or has agreed to serve, at our request as a director, officer, partner, employee or trustee or, or in a similar capacity with, another corporation, partnership, joint venture, trust or other enterprise, or by reason of any action alleged to have been taken or omitted in such capacity, against all expenses (including attorneys' fees) and, to the extent permitted by law, amounts paid in settlement actually and reasonably incurred in connection with such action, suit or proceeding, and any appeal therefrom, if the Indemnitee acted in good faith and in a manner he or she reasonably believed to be in, or not opposed to, the best interests of Pacira, except that no indemnification shall be made with respect to any claim, issue or matter as to which such person shall have been adjudged to be liable to us, unless a court determines that, despite such adjudication but in view of all of the circumstances, he or she is entitled to indemnification of such expenses. Notwithstanding the foregoing, to the extent that any Indemnitee has been successful, on the merits or otherwise, he or she will be indemnified by us against all expenses (including attorneys' fees) actually and reasonably incurred in connection therewith. Expenses must be advanced to an Indemnitee under certain circumstances.

        We have entered into indemnification agreements with each of our directors and our executive officers. These indemnification agreements may require us, among other things, to indemnify our directors and executive officers for some expenses, including attorneys' fees, judgments, fines and settlement amounts incurred by a director or executive officer in any action or proceeding arising out of his service as one of our directors or executive officers, or any of our subsidiaries or any other company or enterprise to which the person provides services at our request.

        We maintain a general liability insurance policy that covers certain liabilities of directors and officers of our corporation arising out of claims based on acts or omissions in their capacities as directors or officers.

        In the underwriting agreement we enter into in connection with the sale of common stock being registered hereby, the underwriters will agree to indemnify, under certain conditions, us, our directors, our officers and persons who control us with the meaning of the Securities Act of 1933, as amended, against certain liabilities.

Item 15.    Recent Sales of Unregistered Securities

        Set forth below is information regarding all securities sold by us within the past three years. Also included is the consideration, if any, received by us for such shares, options and warrants and information relating to the section of the Securities Act, or rule of the Securities and Exchange Commission, under which exemption from registration was claimed.

(a)
Issuances of Promissory Notes

        In January 2009, we issued convertible promissory notes to the Foundation for Research, HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed

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Advisors and entities affiliated with Sanderling Ventures. The aggregate principal amount of the notes issued was $10,625,000 and the notes had an annual interest rate of 5%.

        In August, September and October 2009, we issued secured promissory notes to the Foundation for Research, HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures. The aggregate principal amount of the notes issued was $9,676,972 and the notes had an annual interest rate of 12%.

        In March, June and September 2010, we issued secured promissory notes to HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures. The aggregate principal amount of the notes issued was $15,000,000 and the notes had an annual interest rate of 5%.

        In April, June and September 2010, we issued subordinated secured promissory notes to HBM BioVentures (Cayman) Ltd. The aggregate principal amount of the notes issued was $3,750,000 and the notes had annual interest rates between 9.05% and 9.24%.

        In April 2010, we issued a secured promissory note to General Electric Capital Corporation. The principal amount of the note issued was $11,250,000 and the note had an annual interest rate of 9.24%.

        In November 2010, we issued a secured promissory note to Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. The principal amount of the note issued was $26,250,000 and the note had a variable interest rate.

        In December 2010, we entered into an agreement for the issuance of convertible promissory notes to HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures. On December 29, 2010, we issued notes for an aggregate principal amount $7,500,000.

        In connection with our initial public offering, all of the promissory notes issued to the Foundation for Research, HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures were converted into our common stock.

        No underwriters were involved in the foregoing issuances of promissory notes. The promissory notes described in this section (b) of Item 15 were issued to investors in reliance upon the exemption from the registration requirements of the Securities Act, as set forth in Section 4(2) under the Securities Act and, in certain cases, Regulation D promulgated thereunder, relative to transactions by an issuer not involving any public offering, to the extent an exemption from such registration was required.

(b)
Stock Option Grants

        Since inception, we have issued options to certain directors, employees and consultants to purchase an aggregate of 3,389,673 shares of common stock as of September 30, 2011. As of September 30, 2011, options to purchase 117,443 shares of common stock had been exercised, of which 1,065 shares of common stock have been repurchased, and options to purchase 2,332,287 shares of common stock remained outstanding at a weighted average exercise price of $3.72 per share.

        The stock options and the common stock issuable upon the exercise of such options as described in this section (b) of Item 15 were issued pursuant to written compensatory plans or arrangements with the Registrant's directors, employees and consultants in reliance on the exemption provided by Rule 701 promulgated under the Securities Act. All recipients either received adequate information about the Registrant or had access, through employment or other relationships, to such information.

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(c)
Issuances of Warrants

        In January 2009, we issued to HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures warrants to purchase 158,065 shares of common stock in connection with the 2009 Convertible Note Financing. The common stock warrants have an exercise price of $2.69 per share.

        In June 2009, we issued warrants for an aggregate of 23,244 shares of Series A convertible preferred stock to our landlord in connection with a rent deferral.

        In November 2010, we issued to Hercules Technology Growth Capital, Inc. and Hercules Technology III, L.P. a warrant to purchase 178,986 shares of preferred stock in connection with the Hercules Credit Facility. The preferred stock warrant has an exercise price of $13.44 per share, which expires upon the earlier to occur of (i) November 24, 2020 or (ii) five years following the effective date of this registration statement.

        In December 2010, we issued to HBM BioVentures (Cayman) Ltd., entities affiliated with MPM Capital, entities affiliated with OrbiMed Advisors and entities affiliated with Sanderling Ventures warrants to purchase an aggregate of 167,361 shares of common stock in connection with the issuance of certain convertible promissory notes. Pursuant to the terms of the agreement for the issuance of the notes, if a second closing of the issuance and sale of the notes occurs, we will issue warrants to purchase an additional 167,361 shares of common stock. The common stock warrants have an exercise price of $13.44 per share.

        No underwriters were involved in the foregoing issuances of warrants. The warrants described in this section (d) of Item 15 were issued to investors in reliance upon the exemption from the registration requirements of the Securities Act, as set forth in Section 4(2) under the Securities Act, including Regulation D promulgated thereunder, relative to transactions by an issuer not involving any public offering, to the extent an exemption from such registration was required.

        All of the foregoing securities are deemed restricted securities for purposes of the Securities Act. Other than certificates representing issued shares of capital stock eligible for resale pursuant to Rule 144, all certificates representing the issued shares of capital stock described in this Item 15 include appropriate legends setting forth that the securities had not been registered and the applicable restrictions on transfer.

Item 16.    Exhibits

        The exhibits to the registration statement are listed in the Exhibit Index to this registration statement and are incorporated by reference herein.

Item 17.    Undertakings

        Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that, in the opinion of the Securities and Exchange Commission, such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.

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        The undersigned registrant hereby undertakes that:

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SIGNATURES

         Pursuant to the requirements of the Securities Act, the Registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Parsippany, State of New Jersey, on the 7th day of November, 2011.

    PACIRA PHARMACEUTICALS, INC.

 

 

By:

 

/s/ DAVID STACK

David Stack
President and Chief Executive Officer

POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints David Stack and James Scibetta, and each of them, his/her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution for him/her and in his/her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement, and any subsequent registration statements pursuant to Rule 462 of the Securities Act and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he/she might or could do in person, hereby ratifying and confirming all that each of said attorney-in-fact or his/her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

         Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.

Signature
 
Title
 
Date

 

 

 

 

 

 

 
/s/ DAVID STACK

David Stack
  Director, President and
Chief Executive Officer
(Principal Executive Officer)
  November 7, 2011

/s/ JAMES SCIBETTA

James Scibetta

 

Chief Financial Officer
(Principal Financial and
Accounting Officer)

 

November 7, 2011

/s/ FRED MIDDLETON

Fred Middleton

 

Chairman

 

November 7, 2011

/s/ LUKE EVNIN

Luke Evnin

 

Director

 

November 7, 2011

/s/ LAURA BREGE

Laura Brege

 

Director

 

November 7, 2011

/s/ JOHN LONGENECKER

John Longenecker

 

Director

 

November 7, 2011

/s/ GARY PACE

Gary Pace

 

Director

 

November 7, 2011

/s/ ANDREAS WICKI

Andreas Wicki

 

Director

 

November 7, 2011

/s/ PAUL HASTINGS

Paul Hastings

 

Director

 

November 7, 2011

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EXHIBIT INDEX

Exhibit
number
  Description
  1.1 * Form of Underwriting Agreement

 

3.1

 

Amended and Restated Certificate of Incorporation of the Registrant.(1)

 

3.3

 

Amended and Restated Bylaws of the Registrant.(1)

 

4.1

 

Specimen Certificate evidencing shares of common stock.(2)

 

5.1

*

Opinion of Wilmer Cutler Pickering Hale and Dorr LLP

 

10.1

 

Second Amended and Restated 2007 Stock Option/Stock Issuance Plan.(2)

 

10.2

 

Form of Stock Option Agreement under the Second Amended and Restated 2007 Stock Option/Stock Issuance Plan.(2)

 

10.3

 

Investors' Rights Agreement, dated March 23, 2007, among the Registrant and the parties named therein.(2)

 

10.4

 

Assignment Agreement, dated February 9, 1994, amended April 15, 2004, between the Registrant and Research Development Foundation.(2)

 

10.5

 

Stock Purchase Agreement, dated January 8, 2007, between SkyePharma, Inc. and the Registrant.(2)

 

10.6

 

Amended and Restated Royalty Interests Assignment Agreement, dated March 23, 2007, as amended, between SkyePharma, Inc. and Royalty Securitization Trust I.(2)

 

10.7

 

Amended and Restated Security Agreement (SKPI), dated March 23, 2007, between SkyePharma, Inc. and Royalty Securitization Trust I.(2)

 

10.8

 

Supply Agreement, dated June 30, 2003, between SkyePharma, Inc. and Mundipharma Medical Company.(2)

 

10.9

 

Distribution Agreement, dated June 30, 2003, between SkyePharma, Inc. and Mundipharma International Holdings Limited.(2)

 

10.10

 

Distribution Agreement, dated July 27, 2005, between SkyePharma, Inc. and Mundipharma International Holdings Limited.(2)

 

10.11

 

Co-development, Collaboration and License Agreement, dated January 2, 2003, among Enzon Pharmaceuticals, Inc., Jagotec, AG, SkyePharma, Inc. and SkyePharma PLC.(2)

 

10.12

 

DepoCyt Supply and Distribution Agreement, dated December 31, 2002, between SkyePharma, Inc. and Enzon Pharmaceuticals, Inc.(2)

 

10.13

 

Amended and Restated Strategic Licensing, Distribution and Marketing Agreement, dated October 15, 2009, between the Registrant and EKR Therapeutics, Inc.(2)

 

10.14

 

Amended and Restated Supply Agreement, dated October 15, 2009, between the Registrant and EKR Therapeutics, Inc.(2)

 

10.15

 

Strategic Marketing Agreement, dated September 25, 2007, between the Registrant and Flynn Pharma Limited.(2)

 

10.16

 

Supply Agreement, dated December 5, 2007, between the Registrant and Flynn Pharma Limited.(2)

 

10.17

 

Lease Agreement, dated August 17, 1993, amended July 2, 2009, between Pacira Pharmaceuticals, Inc. and HCP TPSP, LLC.(2)

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Exhibit
number
  Description
  10.18   Lease Agreement, dated December 8, 1994, amended July 2, 2009, between Pacira Pharmaceuticals, Inc. and LASDK Limited Partnership.(2)

 

10.19

 

Services Agreement, dated October 28, 2010, between the Registrant, MPM Asset Management LLC and Gary Patou.(2)

 

10.20

 

Services Agreement, dated September 15, 2010, between Pacira Pharmaceuticals, Inc. and Stack Pharmaceuticals, Inc.(2)

 

10.21

 

Employment Agreement between the Registrant and David Stack.(2)

 

10.22

 

Employment Agreement between the Registrant and James Scibetta.(2)

 

10.23

 

Employment Agreement between the Registrant and Mark Walters.(2)

 

10.24

 

Employment Agreement between the Registrant and William Lambert.(2)

 

10.25

 

Loan and Security Agreement, dated November 24, 2010, among the Registrant, Pacira Pharmaceuticals, Inc. (California), Hercules Technology Growth Capital, Inc. and Hercules Technology II, L.P. (2)

 

10.26

 

Guaranty Agreement, dated November 24, 2010, between the Registrant, Hercules Technology Growth Capital, Inc., Hercules Technology II, L.P. and the parties named therein.(2)

 

10.27

 

Warrant to purchase preferred stock of the Registrant, dated November 24, 2010.(2)

 

10.28

 

Form of Warrant to purchase Series A convertible preferred stock of the Registrant, dated July 2, 2009.(2)

 

10.29

 

Form of Warrant to purchase common stock of the Registrant, dated January 22, 2009.(2)

 

10.30

 

Form of Warrant to purchase common stock of the Registrant, dated December 29, 2010.(2)

 

10.31

 

2011 Stock Incentive Plan.(2)

 

10.32

 

Form of Indemnification Agreement between the Registrant and its directors and officers.(2)

 

10.33

 

Development and License Agreement, dated January 14, 2011, between the Registrant and Novo Nordisk A/S.(2)

 

10.34

 

Commercial Outsourcing Services Agreement entered into as of August 25, 2011 by the Registrant and Integrated Commercialization Solutions, Inc.(3)

 

10.35

 

Master Services Agreement effective as of August 30, 2011, between the Registrant and Quintiles Commercial US, Inc.(3)

 

21.1

 

Subsidiaries of Registrant.(4)

 

23.1

 

Consent of J.H. Cohn LLP.

 

23.2

*

Consent of Wilmer Cutler Pickering Hale and Dorr LLP (included in Exhibit 5.1)

 

24.1

 

Powers of Attorney (included on signature page).

 

101

 

The following materials from the Registration Statement on Form S-1 of Pacira Pharmaceuticals, Inc. are formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statement of Stockholders' Equity (Deficit), (iv) the Consolidated Statements of Cash Flows, and (v) the Condensed Notes to Consolidated Financial Statements, tagged as blocks of text.****

*
To be filed by amendment.

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(1)
Incorporated by reference to the registrant's Current Report on Form 8-K, filed on February 11, 2011.

(2)
Incorporated by reference to the exhibits to the Registrant's Registration Statement on Form S-1 (SEC File 333-170245).

(3)
Incorporated by reference to the exhibits to the Registrant's Quarterly Report on Form 10-Q, filed on October 31, 2011.

(4)
Incorporated by reference to the Registrant's Annual Report on Form 10-K, filed on March 31, 2011.

****
Pursuant to Rule 406T of Regulation S-T, the Interactive Data Files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.



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Exhibit 23.1

Consent of Independent
Registered Public Accounting Firm

        We consent to the inclusion in this Registration Statement on Form S-1 of Pacira Pharmaceuticals, Inc. of our report, dated March 31, 2011, on our audits of the consolidated financial statements of Pacira Pharmaceuticals, Inc. as of December 31, 2010 and 2009, and for each of the three years in the period ended December 31, 2010. We also consent to the reference to our firm under the caption "Experts".

/s/ J.H. Cohn LLP

Roseland, New Jersey
November 1, 2011




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Consent of Independent Registered Public Accounting Firm