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

FORM 10-Q

(Mark One)


ý

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2002

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                            to                             

Commission file number: 0-19311

IDEC PHARMACEUTICALS CORPORATION
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of incorporation or organization)
  33-0112644
(I.R.S. Employer Identification No.)

3030 Callan Road, San Diego, CA 92121
(Address of principal executive offices) (Zip code)

(858) 431-8500
(Registrant's telephone number, including area code)

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý    No o

        As of July 31, 2002 the Registrant had 152,679,212 shares of its common stock, $.0005 par value, issued and outstanding.





IDEC PHARMACEUTICALS CORPORATION

FORM 10-Q—QUARTERLY REPORT
FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2002


TABLE OF CONTENTS

PART I.   FINANCIAL INFORMATION    

Item 1.

 

Financial Statements (unaudited)

 

 

 

 

Condensed Consolidated Statements of Operations—Three months ended June 30, 2002 and 2001 and six months ended June 30, 2002 and 2001

 

1

 

 

Condensed Consolidated Balance Sheets—June 30, 2002 and December 31, 2001

 

2

 

 

Condensed Consolidated Statements of Cash Flows—Six months ended June 30, 2002 and 2001

 

3

 

 

Notes to Condensed Consolidated Financial Statements

 

4

Item 2.

 

Management's Discussion and Analysis of Financial Condition and Results of Operations

 

8

Item 3.

 

Quantitative and Qualitative Disclosures About Market Risk

 

28

PART II.

 

OTHER INFORMATION

 

 

Item 4.

 

Submission of Matters to a Vote of Security Holders

 

29

Item 6.

 

Exhibits and Reports on Form 8-K

 

29


PART I—FINANCIAL INFORMATION

        Item 1. Financial Statements.


IDEC PHARMACEUTICALS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

(unaudited)

 
  Three months
ended June 30,

  Six months
ended June 30,

 
  2002
  2001
  2002
  2001
Revenues:                        
  Product sales   $ 3,300   $   $ 3,300   $
  Revenues from unconsolidated joint business     92,455     58,072     170,637     106,630
  Corporate partner revenues     1,376     6,777     2,935     14,757
   
 
 
 
    Total revenues     97,131     64,849     176,872     121,387
Operating costs and expenses:                        
  Cost of sales     889         889    
  Research and development     22,980     21,691     42,229     43,161
  Selling, general and administrative     23,224     11,430     42,067     23,134
   
 
 
 
    Total operating costs and expenses     47,093     33,121     85,185     66,295
   
 
 
 
Income from operations     50,038     31,728     91,687     55,092
Interest income, net     4,397     8,257     8,399     17,980
   
 
 
 
Income before income tax provision     54,435     39,985     100,086     73,072
Income tax provision     19,052     14,832     35,030     27,112
   
 
 
 
Net income   $ 35,383   $ 25,153   $ 65,056   $ 45,960
   
 
 
 
Earnings per share:                        
    Basic   $ 0.23   $ 0.17   $ 0.42   $ 0.31
    Diluted   $ 0.20   $ 0.15   $ 0.37   $ 0.27
Shares used in calculation of earnings per share:                        
    Basic     152,827     150,477     153,128     149,167
    Diluted     179,515     167,417     180,965     167,297

See accompanying notes to the condensed unaudited consolidated financial statements.

1




IDEC PHARMACEUTICALS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)

 
  June 30,
2002

  December 31,
2001

 
  (unaudited)

   
ASSETS            
Current assets:            
  Cash and cash equivalents   $ 576,596   $ 425,999
  Securities available-for-sale     471,924     197,824
  Accounts receivable     17,467     6,198
  Due from related parties, net     78,252     67,651
  Inventories     13,808     524
  Prepaid expenses and other current assets     2,993     1,847
   
 
    Total current assets     1,161,040     700,043
Long-term securities available-for-sale     400,315     242,784
Property and equipment, net     154,894     108,588
Deferred tax assets, net     63,783     67,044
Restricted cash     14,500     5,002
Other assets     37,501     9,267
   
 
    $ 1,832,033   $ 1,132,728
   
 
LIABILITIES AND STOCKHOLDERS' EQUITY            
Current liabilities:            
  Accounts payable   $ 3,053   $ 3,866
  Accrued expenses     32,312     27,616
  Deferred revenue     1,700     3,807
   
 
    Total current liabilities     37,065     35,289
Notes payable     856,165     135,977
Deferred rent     3,174     2,853
Other long-term liabilities     3,666     2,130
   
 
    Total liabilities     900,070     176,249
   
 
Commitments and contingencies            
Stockholders' equity:            
  Convertible preferred stock, $.001 par value        
  Common stock, $.0005 par value     77     76
  Additional paid-in capital     885,065     840,232
  Accumulated other comprehensive income     1,679     1,085
  Retained earnings     180,142     115,086
   
 
      1,066,963     956,479
  Less treasury stock, at cost     135,000    
   
 
    Total stockholders' equity     931,963     956,479
   
 
    $ 1,832,033   $ 1,132,728
   
 

See accompanying notes to the condensed unaudited consolidated financial statements.

2




IDEC PHARMACEUTICALS CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

(unaudited)

 
  Six months ended
June 30,

 
 
  2002
  2001
 
Cash flows from operating activities:              
  Net income   $ 65,056   $ 45,960  
  Depreciation and amortization     4,540     2,823  
  Deferred rent     321     70  
  Non-cash interest expense     6,006     4,368  
  Deferred revenue     (2,107 )   (3,054 )
  Deferred income taxes     33,517     27,482  
  Gain (loss) on sales of securities available-for-sale     (830 )   2,185  
  Change in assets and liabilities:              
    Restricted cash     (9,498 )    
    Accounts receivable     (11,269 )   (1,263 )
    Due from related parties, net     (10,601 )   (12,982 )
    Inventories     (13,284 )    
    Prepaid expenses and other assets     (11,157 )   (1,070 )
    Accounts payable     (813 )   (190 )
    Accrued expenses     6,254     1,895  
    Other long-term liabilities     1,536     398  
   
 
 
      Net cash provided by operating activities     57,671     66,622  
   
 
 
Cash flows from investing activities:              
  Purchase of property and equipment     (50,846 )   (13,116 )
  Purchase of securities available-for-sale     (650,532 )   (326,454 )
  Sales and maturities of securities available-for-sale     220,325     305,661  
   
 
 
      Net cash used in investing activities     (481,053 )   (33,909 )
   
 
 
Cash flows from financing activities:              
  Payments on notes payable         (597 )
  Proceeds from notes payable, net of issuance costs     696,004      
  Proceeds from issuance of common stock     12,975     20,738  
  Purchase of common stock for treasury     (135,000 )    
   
 
 
      Net cash provided by financing activities     573,979     20,141  
   
 
 
Net increase in cash and cash equivalents     150,597     52,854  
Cash and cash equivalents, beginning of period     425,999     401,052  
   
 
 
Cash and cash equivalents, end of period   $ 576,596   $ 453,906  
   
 
 

See accompanying notes to the condensed unaudited consolidated financial statements.

3




IDEC PHARMACEUTICALS CORPORATION AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1. Summary of Significant Accounting Policies

        Basis of Presentation:    The information at June 30, 2002, and for the three and six months ended June 30, 2002 and 2001 is unaudited. In the opinion of management, these condensed unaudited consolidated financial statements include all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of results for the interim periods presented. Interim results are not necessarily indicative of results for a full year or for any subsequent interim period. These unaudited condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2001.

        Principles of Consolidation:    The condensed consolidated financial statements include our financial statements and those of our subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

        Inventories:    Inventories are stated at the lower of cost or market. Cost is determined in a manner which approximates the first-in, first-out, or FIFO method. Inventories consist of the following (table in thousands):

 
  June 30,
2002

  December 31,
2001

Raw materials   $ 496   $ 524
Work in process     12,832    
Finished goods     480    
   
 
    $ 13,808   $ 524
   
 

        Revenues from Unconsolidated Joint Business:    Revenues from unconsolidated joint business consist of our share of the pretax copromotion profits generated from our copromotion arrangement with Genentech Inc., reimbursement from Genentech of our Rituxan®-related sales force and development expenses and royalty revenue from F. Hoffmann-La Roche Ltd. and Zenyaku Kogyo Co. Ltd. on sales of Rituximab outside the United States. We record our royalty revenue from Roche and Zenyaku with a one-quarter lag. Rituxan is the trade name in the United States, Canada and Japan for the compound Rituximab. Outside these territories, Rituximab is marketed as MabThera. In our notes to the condensed unaudited consolidated financial statements, we refer to Rituximab, Rituxan and MabThera collectively as Rituxan, except where otherwise indicated. Under the copromotion arrangement, we share responsibility with Genentech for selling and continued development of Rituxan in the United States. Continued development of Rituxan includes conducting supportive research on Rituxan, post approval clinical studies and obtaining potential approval of Rituxan for additional indications. Genentech provides the support functions for the commercialization of Rituxan in the United States including marketing, customer service, order entry, distribution, shipping and billing and, as of September 1999, all worldwide manufacturing responsibilities. Under the copromotion arrangement, all United States sales of Rituxan and associated costs and expenses are recognized by Genentech and we record our share of the pretax copromotion profits on a quarterly basis, as defined in our collaborative agreement with Genentech. Pretax copromotion profits under the copromotion arrangement are derived by taking the United States net sales of Rituxan to third-party customers less cost of sales, third-party royalty expenses, distribution, selling and marketing expenses and joint development expenses incurred by Genentech and us. Our profit-sharing formula with Genentech has two tiers; we earn a higher percentage of the pretax copromotion profits at the upper tier once a fixed

4



pretax copromotion profit level is met. The profit-sharing formula resets annually at the beginning of each year to the lower tier. We began recording our profit share at the higher percentage during the first quarters of 2002 and 2001.

        Earnings Per Share:    Earnings per share is calculated in accordance with Statement of Financial Accounting Standards No. 128 "Earnings per Share." Basic earnings per share utilizes net income and excludes the dilutive effects of stock options and other convertible securities compared to diluted earnings per share which reflects the potential dilution of stock options and other convertible securities that could share in our earnings. Calculations of basic and diluted earnings per share use the weighted-average number of shares outstanding during the period.

 
  Three months
ended June 30,

  Six months
ended June 30,

(In thousands, except per share data)

  2002
  2001
  2002
  2001
Numerator:                        
  Net income   $ 35,383   $ 25,153   $ 65,056   $ 45,960
  Adjustments for interest, net of income tax effect     1,255         2,477    
   
 
 
 
Net income, adjusted   $ 36,638   $ 25,153   $ 67,533   $ 45,960
Denominator:                        
  Weighted-average shares outstanding     152,827     150,477     153,128     149,167
  Effect of dilutive securities:                        
    Stock options     9,872     13,604     11,019     14,276
    Convertible preferred stock     2,881     3,336     2,881     3,854
    Convertible promissory notes due 2019     13,935         13,937    
   
 
 
 
  Dilutive potential common shares     26,688     16,940     27,837     18,130
   
 
 
 
  Weighted-average shares and dilutive potential common shares     179,515     167,417     180,965     167,297
   
 
 
 
Basic earnings per share   $ 0.23   $ 0.17   $ 0.42   $ 0.31
Diluted earnings per share   $ 0.20   $ 0.15   $ 0.37   $ 0.27

        Excluded from the calculation of diluted earnings per share for the three and six months ended June 30, 2002 were 6,345,000 shares and 3,190,000 shares, respectively, of common stock from the assumed conversion of our 30-year senior convertible promissory notes due 2032, and 5,589,000 shares and 4,584,000 shares, respectively, of common stock from stock options because their effect was antidilutive.

        Excluded from the calculation of diluted earnings per share for the three and six months ended June 30, 2001 were 13,939,000 shares of common stock from the assumed conversion of our subordinated convertible promissory notes due 2019, and 2,420,000 shares and 2,117,000 shares, respectively, of common stock from stock options because their effect was antidilutive.

        Comprehensive Income:    Comprehensive income is comprised of net income and other comprehensive income. Other comprehensive income includes certain changes in stockholders' equity that are excluded from net income, specifically, unrealized holding gains and losses on securities available-for-sale, net of tax. Comprehensive income for the three months ended June 30, 2002 and

5



2001 was $37,300,000 and $25,063,000, respectively. Comprehensive income for the six months ended June 30, 2002 and 2001 was $65,650,000 and $46,272,000, respectively.

        Reclassifications:    Certain balances in 2001 have been reclassified to conform to the 2002 presentation.

Note 2. Related Party Arrangements

        In March 1995, we entered into a collaborative agreement for the clinical development and commercialization of our anti-CD20 monoclonal antibody, Rituxan, for the treatment of certain B-cell non-Hodgkin's lymphomas, or NHL's, with Genentech. Concurrent with the collaborative agreement we also entered into an expression technology license agreement with Genentech for a proprietary gene expression technology developed by us and a preferred stock purchase agreement providing for certain equity investments in us by Genentech. Under the terms of these agreements, we will be reimbursed by Genentech for certain other development and regulatory approval expenses. Genentech may terminate this agreement for any reason, which would result in a loss of Genentech's Rituxan product rights.

        In addition, we are copromoting Rituxan in the United States with Genentech under a joint business arrangement whereby we receive a share of the pretax copromotion profits. In September 1999, we transferred all worldwide manufacturing responsibilities for bulk Rituxan to Genentech.

        Revenues from unconsolidated joint business for the three and six months ended June 30, 2002 and 2001 consist of the following (table in thousands):

 
  Three months
ended June 30,

  Six months
ended June 30,

 
  2002
  2001
  2002
  2001
Copromotion profits   $ 77,624   $ 52,388   $ 143,136   $ 96,198
Reimbursement of selling and development expenses     3,752     2,372     7,384     4,500
Royalty income on sales of Rituximab outside the U.S.     11,079     3,312     20,117     5,932
   
 
 
 
Total revenues from unconsolidated joint business   $ 92,455   $ 58,072   $ 170,637   $ 106,630
   
 
 
 

        Amounts due from related parties, net at June 30, 2002 and December 31, 2001 consist of the following (table in thousands):

 
  2002
  2001
Due from Genentech, copromotion profits   $ 74,282   $ 65,628
Due from Genentech, selling and development expenses     3,937     1,974
Due from Roche     33     49
   
 
Total due from related parties, net   $ 78,252   $ 67,651
   
 

        Under the terms of separate agreements with Genentech, commercialization of Rituxan outside the United States is the responsibility of Roche, except in Japan where Roche continues development and copromotes Rituxan in collaboration with Zenyaku. We receive royalties on Rituxan sales outside the United States.

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Note 3. Notes Payable

        In April and May 2002, we issued 30-year senior convertible promissory notes, or senior notes, for gross proceeds of approximately $714.4 million, or $696.0 million net of underwriting commissions and expenses of $18.4 million. Simultaneously with the issuance of the senior notes, we used a portion of the proceeds to fund the repurchase of $135.0 million of our outstanding common stock. The senior notes are zero coupon and were priced with a yield to maturity of 1.75% annually. We will pay contingent cash interest to the holders of these senior notes during any six-month period commencing on or after April 30, 2007 if the average market price of the senior notes for a five trading day measurement period preceding such six-month period equals 120% or more of the sum of the issue price and accrued original issue discount for such senior note. The contingent interest payable per senior note in respect of any quarterly period within such six-month period where contingent interest is determined to be payable will equal the greater of (1) the amount of regular cash dividends paid by us per share on our common stock during that quarterly period multiplied by the then applicable conversion rate or (2) 0.0625% of the average market price of a senior note for the five trading day measurement period preceding such six-month period, provided that if we do not pay regular cash dividends during a semiannual period, we will pay contingent interest semiannually at a rate of 0.125% of the average market price of a senior note for the five trading day measurement period immediately preceding such six-month period.

        Upon maturity, the senior notes will have an aggregate principal face value of $1.2 billion. Each $1,000 aggregate principal face value senior note is convertible at the holder's option at any time through maturity into 7.1881 shares of our common stock at an initial conversion price of $82.49. In addition, holders of the senior notes may require us to purchase all or a portion of the senior notes on April 29, 2005, 2007, 2012 and 2017 at a price equal to the issue price plus the accrued original issue discount to the date of purchase, with us having the option to repay the senior notes plus the accrued original issue discount in cash, our common stock or a combination thereof. In addition, if a change in control in our company occurs on or before April 29, 2007, holders may require us to purchase all or a portion of their senior notes for cash. We have the right to redeem all or a portion of the senior notes for cash at any time on or after April 29, 2007 at set prices.

Note 4. Contingencies

        Contingencies:    On September 10, 2001, we filed a complaint against GlaxoSmithKline, plc, or Glaxo, and another complaint against Corixa Corporation, Coulter Pharmaceutical, Inc., and the Regents of the University of Michigan, in federal court for the Southern District of California. We are seeking declaratory judgment that ZEVALIN™ does not infringe patents held by the defendants and/or that the patents are invalid. On September 12, 2001, Corixa, Coulter and Glaxo filed a lawsuit against us in federal court in the district of Delaware alleging that ZEVALIN infringes their patents. This action has been transferred to the federal court for the Southern District of California and has been consolidated with our lawsuit. Corixa's lawsuit against us seeks damages and to permanently enjoin us from selling ZEVALIN.

        In addition, we are involved in certain other legal proceedings generally incidental to our normal business activities, which we believe will not have a material adverse effect on our business or financial condition.

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations.

OVERVIEW

        We are primarily engaged in the research, development, manufacture and commercialization of targeted therapies for the treatment of cancer and autoimmune and inflammatory diseases.

        In February 2002, ZEVALIN became the first radioimmunotherapy approved by the Food and Drug Administration, or FDA, for the treatment of certain B-cell NHLs. We have retained all U.S. marketing and distribution rights to ZEVALIN and have granted marketing and distribution rights outside the U.S. to Schering Aktiengesellschaft. In July 2002 we announced that marketing approval in Europe and European launch of ZEVALIN would be delayed due to certain technical compliance issues at DSM Pharmaceuticals, Inc., our fill/finish provider.

        Our other product, Rituxan is being copromoted in the United States under a joint business arrangement with Genentech, where we receive a share of the pretax copromotion profits. Under the copromotion arrangement we share responsibility with Genentech for selling and continued development of Rituxan in the United States. Continued development of Rituxan includes conducting supportive research on Rituxan, post-approval clinical studies and obtaining approval of Rituxan for potential additional indications. Genentech provides the support functions for the commercialization of Rituxan in the United States including marketing, customer service, order entry, distribution, shipping and billing. Since September 1999, Genentech has been responsible for all worldwide manufacturing. Under the terms of separate agreements with Genentech, commercialization of Rituxan outside the United States is the responsibility of Roche, except in Japan where Roche continues development and copromotes Rituxan in collaboration with Zenyaku. We receive royalties on Rituxan sales outside the United States.

        Our revenues include revenues from product sales of ZEVALIN, unconsolidated joint business and corporate partner revenues. Until the commercialization of Rituxan, a substantial portion of our revenues had been derived from corporate partner revenues. However, since the commercialization of Rituxan in November 1997, our revenues have depended primarily upon the sale of Rituxan.

        We have incurred increasing annual operating expenses and with the commercialization of Rituxan and ZEVALIN, we expect these trends to continue. From our inception in 1985, through 1997, we incurred annual operating losses. Our ongoing profitability will be dependent upon the continued commercial success of Rituxan, the commercial success of ZEVALIN, product development and revenues from the achievement of product development objectives and licensing transactions. As of June 30, 2002, we had retained earnings of $180.1 million.

Critical Accounting Principles and Estimates

        In response to the Securities and Exchange Commission's Release Numbers 33-8040 "Cautionary Advice Regarding Disclosure About Critical Accounting Policies" and 33-8056, "Commission Statement about Management's Discussion and Analysis of Financial Condition and Results of Operations," we have identified the following critical accounting policies that affect our more significant judgments and estimates used in the preparation of our condensed consolidated financial statements. The preparation of our condensed consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires our management to make estimates and judgments that affect the reported amounts of assets and liabilities, revenues and expenses, and related disclosures of contingent assets and liabilities. On a periodic basis, we evaluate our estimates, including those related to revenue recognition, allowance for doubtful accounts, inventory reserves, accounting for income taxes including the related valuation allowance, accruals for compensation and related benefits, and contingencies and litigation. We explain these accounting policies in our notes to the condensed consolidated financial statements and at relevant sections in this discussion and analysis. These

8



estimates are based on the information that is currently available and on various other assumptions that are believed to be reasonable under the circumstances. Actual results could vary from those estimates under different assumptions or conditions.

        Revenue recognition:    Revenues from unconsolidated joint business include our share of the pretax copromotion profits generated from our copromotion arrangement with Genentech, reimbursement from Genentech of our Rituxan-related sales force and development expenses and royalty revenue from Roche and Zenyaku on sales of Rituximab outside the United States. We record our royalty revenue from Roche and Zenyaku with a one-quarter lag. Under the copromotion arrangement, all U.S. sales of Rituxan and associated costs and expenses are recognized by Genentech and we record our share of the pretax copromotion profits on a quarterly basis, as defined in our collaborative agreement with Genentech. Pretax copromotion profits under the copromotion arrangement are derived by taking U.S. net sales of Rituxan to third-party customers less cost of sales, third-party royalty expenses, distribution, selling and marketing expenses and joint development expenses incurred by Genentech and us. Our profit-sharing formula with Genentech has two tiers; we earn a higher percentage of the pretax copromotion profits at the upper tier once a fixed pretax copromotion profit level is met. The profit-sharing formula resets annually at the beginning of each year to the lower tier. We began recording our profit share at the higher percentage during the first quarter of 2002 and 2001.

        Corporate partner revenues consist of contract revenues and license fees. Contract revenues include nonrefundable research and development funding under collaborative agreements with our strategic partners and other funding under contractual arrangements with other parties. Contract research and development funding generally compensates us for discovery, preclinical and clinical expenses related to our collaborative development programs for our products and is recognized at the time research and development activities are performed under the terms of the collaborative agreements.

        License fees includes nonrefundable fees from the sale of product rights and nonrefundable fees from product development milestone payments under collaborative development and license agreements with our strategic partners. Nonrefundable up-front fees from the sale of product rights are recorded as deferred revenue upon receipt and recognized as revenue over future periods as required by Securities and Exchange Commission's Staff Accounting Bulletin No. 101, "Revenue Recognition in Financial Statements," or SAB No. 101. Nonrefundable product development milestone payments are recognized upon the achievement of product development milestone objectives as stipulated in agreements with our strategic partners. Product development milestone objectives vary in each of our agreements. The achievement of product development milestone objectives that may lead to the recognition of license fee revenues include:

        Contract revenue and license fees may vary from period to period and are in part dependent upon achievement of research and development objectives or the consummation of new corporate alliances. The magnitude and timing of corporate partner revenues may influence our achievement and level of profitability.

        We recognize revenue from ZEVALIN product sales upon shipment. We record allowances for estimated uncollected amounts and product returns at the time of sale.

9



        Accounting for income taxes:    As part of the process of preparing our condensed consolidated financial statements we are required to estimate our income taxes in each of the jurisdictions in which we operate. This process involves us estimating our actual current tax exposure together with assessing temporary differences resulting from differing treatment of items, such as deferred revenue, for tax and accounting purposes. These differences result in deferred tax assets and liabilities, which are included within our condensed consolidated balance sheet. We must then assess the likelihood that our deferred tax assets will be recovered from future taxable income and to the extent we believe that recovery is not likely, we must establish a valuation allowance. To the extent we establish a valuation allowance or increase this allowance in a period, we may include an expense within the income tax provision in the statement of operations.

        Significant management judgment is required in determining our provision for income taxes, our deferred tax assets and liabilities and any valuation allowance recorded against our net deferred tax assets. We have recorded a valuation allowance of $70.7 million as of June 30, 2002, due to uncertainties related to our ability to utilize some of our deferred tax assets, primarily consisting of certain net operating loss carryforwards, before they expire. The valuation allowance is based on our estimates of taxable income by jurisdiction in which we operate and the period over which our deferred tax assets will be recoverable. Our estimates of taxable income are derived from, among other items, our estimates of deductions related to stock options. In the event that actual results differ from these estimates or we adjust these estimates in future periods we may need to adjust our valuation allowance which could materially impact our financial position and results of operations. The net deferred tax asset as of June 30, 2002 was $63.8 million, net of a valuation allowance of $70.7 million.

RESULTS OF OPERATIONS

        Revenues from unconsolidated joint business for the three and six months ended June 30, 2002 and 2001, consist of the following (table in thousands):

 
  Three months
ended June 30,

  Six months
ended June 30,

 
  2002
  2001
  2002
  2001
Copromotion profits   $ 77,624   $ 52,388   $ 143,136   $ 96,198
Reimbursement of selling and development expenses     3,752     2,372     7,384     4,500
Royalty income on sales of Rituximab outside the U.S.     11,079     3,312     20,117     5,932
   
 
 
 
Total revenues from unconsolidated joint business   $ 92,455   $ 58,072   $ 170,637   $ 106,630
   
 
 
 

        Under our agreement with Genentech, our pretax copromotion profit-sharing formula has two tiers. We earn a higher percentage of the pretax copromotion profits at the upper tier once a fixed pretax copromotion profit level is met. The profit-sharing formula resets annually at the beginning of each year to the lower tier. We began recording our profit share at the higher percentage during the first quarter of 2002 and 2001.

        Rituxan net sales to third-party customers in the United States recorded by Genentech for the three and six months ended June 30, 2002 amounted to $257.4 million and $492.4 million, respectively, compared to $180.0 million and $348.0 million for the comparable periods in 2001. This increase was primarily due to increased market penetration in treatments of B-cell non-Hodgkin's lymphoma and an increase in the wholesale price of Rituxan which was effective on March 1, 2002.

        Our royalty revenue on sales of Rituximab outside the U.S. is based on Roche and Zenyaku's end-user sales and is recorded with a one-quarter lag. In June 2001, Zenyaku was granted marketing authorization for Rituxan in Japan. For the three and six months ended June 30, 2002, we recognized $11.1 million and $20.1 million, respectively, in royalties from Roche and Zenyaku's end-users sales compared to $3.3 million and $5.9 million for the comparable periods in 2001. The increase in royalty

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revenue for the three months ended June 30, 2002 includes $4.4 million of royalty revenue recorded from the initial sales of Rituxan in Canada. The increase in royalty revenue for the six months ended June 30, 2002 includes the aforementioned Canadian royalties and $4.4 million of royalty revenue for Rituxan sales in Japan of which $3.0 million was recorded during the first quarter of 2002 and resulted from the initial sales of Rituxan in Japan.

        Corporate partner revenues for the three months ended J