AGOURON PHARMACEUTICALS INC
10-Q, 1996-02-01
PHARMACEUTICAL PREPARATIONS
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<PAGE>
                                    UNITED STATES
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549

                                      FORM 10-Q


           (X)    QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE 
                            SECURITIES EXCHANGE ACT OF 1934

                   For the quarterly period ended December 31, 1995

                                         OR

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

                          Commission File Number 0-15609

                            AGOURON PHARMACEUTICALS, INC.
             (Exact name of registrant as specified in its charter)


            CALIFORNIA                          33-0061928
 (State or other jurisdiction of   (I.R.S. employer identification no.)
  incorporation or organization)


        10350 NORTH TORREY PINES ROAD, LA JOLLA, CALIFORNIA  92037-1020
           (Address and zip code of principal executive offices)

                                (619) 622-3000
            (Registrant's telephone number, including area code)

                                       NONE
                 (Former name, former address and former fiscal year,
                            if changed since last report.)

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 __X__  No ____


Indicate the number of shares outstanding of each of the issuer's 
classes of common stock, as of the latest practicable date: 
Approximately 10,525,000 shares of the Company's Common Stock, no par 
value, were outstanding as of January 26, 1996. 



<PAGE>

                          AGOURON PHARMACEUTICALS, INC.

                                        INDEX
 
                                                              Page No.

Part I.     Financial Information

Item 1.     Financial Statements

     Balance Sheet -                                              3    
              December 31, 1995 and June 30, 1995

     Statement of Operations - Three and Six                      4
              Months Ended December 31, 1995 and 1994

     Statement of Cash Flows-                                     5 
              Six Months Ended December 31, 1995 and 1994

     Notes to Financial Statements                                6

Item 2.     Management's Discussion and Analysis of Financial     7
              Condition and Results of Operations


Part II.    Other Information      

Item 1.     Legal Proceedings                                     9

Item 2.     Changes in Securities                                 9

Item 3.     Defaults Upon Senior Securities                       9

Item 4.     Submission of Matters to a Vote of Security Holders   9

Item 5.     Other Information                                     9

Item 6.     Exhibits and Reports on Form 8-K                      9

            Signature                                            10

<PAGE>

PART I.  FINANCIAL INFORMATION

Item 1.  Financial Statements

                           AGOURON PHARMACEUTICALS, INC.
                                  BALANCE SHEET
                             (Dollars in thousands)

                                                   December 31,     June 30,
                                                          1995         1995
                                                   (unaudited)
ASSETS

Current assets:
     Cash and cash equivalents                       $  10,629     $  4,358
     Short-term investments                             98,134       15,886
     Accounts receivable                                   214          344
     Other current assets                                  919          871
                                                      --------     --------
     Total current assets                              109,896       21,459

Property and equipment, net of accumulated
  depreciation and amortization of $12,512 and $11,344 
                                                          5,441        5,638

                                                     $  115,337    $  27,097
                                                       --------     --------
                                                       --------     --------
LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
     Accounts payable                                $    9,151    $   5,426
     Accrued liabilities                                    945          683
     Deferred revenue                                    17,050        5,745
     Current portion of long-term debt                      506          768
                                                       --------     --------
     Total current liabilities                           27,652       12,622
                                                       --------     --------
Long-term liabilities:
     Long-term debt, less current portion                   363          580
     Accrued rent                                         1,281        1,304
                                                       --------     --------
     Total long-term liabilities                          1,644        1,884
                                                       --------     --------
                                                       --------     --------
Stockholders' equity:
     Common stock, no par value, 75,000,000 shares
       authorized, 10,486,662 and 7,359,282 shares
       issued and outstanding                           156,218       76,113
     Accumulated deficit                                (70,177)     (63,522)
                                                        --------    --------
     Total stockholders' equity                          86,041       12,591 
                                                        --------    --------
                                                     $  115,337    $  27,097
                                                        --------    --------
                                                        --------    --------



                   See accompanying notes to financial statements.

<PAGE>

                              AGOURON PHARMACEUTICALS, INC.
                                 STATEMENT OF OPERATIONS
                                      (Unaudited)
                  (Dollars in thousands, except per share amounts)



                                  Three Months Ended       Six Months Ended
                                      December 31,            December 31,

                                   1995       1994         1995       1994

Revenues:
   Contracts                   $  9,592   $  6,501     $ 20,555  $  12,336
   Interest                       1,597        313        1,994        642
                             ----------  ---------    ---------  ---------
                                 11,189      6,814       22,549     12,978
                             ----------  ---------    ---------  ---------
Costs and expenses:
  Research and development       14,188      7,037       26,716     15,022
  General and administrative      1,092        999        2,341      1,865
     Interest                        41         54          147        106
                             ----------  ---------    ---------  ---------
                                 15,321      8,090       29,204     16,993
                             ----------  ---------    ---------  ---------
Net loss                      $  (4,132) $  (1,276)   $  (6,655) $  (4,015)
                             ----------  ---------    ---------  ---------
                             ----------  ---------    ---------  ---------
Net loss per common share     $    (.40) $    (.18)   $    (.73) $    (.55)
                             ----------  ---------    ---------  ---------
                             ----------  ---------    ---------  ---------

Shares used in computing net loss
  per common share           10,432,000  7,279,000    9,076,000  7,279,000
                             ----------  ---------    ---------  ---------








                   See accompanying notes to financial statements.

<PAGE>

                          AGOURON PHARMACEUTICALS, INC.
                             STATEMENT OF CASH FLOWS
                                  (Unaudited)
                            (Dollars in thousands)


                                                        Six Months Ended 
                                                           December 31,
                                                      1995           1994
                                                     ------         ------
Cash flows from operating activities:
  Cash received from contracts                    $  31,990       $  14,071
  Cash paid to suppliers, employees and 
    service providers                                (24,039)        (13,901)
  Interest received                                   1,994             642
  Interest paid                                        (147)           (106)
                                                    -------         -------
  Net cash provided (used) by operating 
    activities                                         9,798             706
                                                    -------         -------
Cash flows from investing activities:
  Net (increase) decrease in short-term 
    investments                                      (82,248)          4,918
  Expenditures for property and equipment              (905)         (1,624)
                                                    -------         -------
  Net cash provided (used) by investing 
    activities                                       (83,153)          3,294
                                                    -------         -------
Cash flows from financing activities:     
  Net proceeds from issuance of common stock         80,105             136
  Principal payments under equipment leases            (218)           (302)
  Increase (decrease) in long-term debt, net           (261)            101
                                                    -------         -------
  Net cash provided (used) by financing 
    activities                                        79,626             (65)


Net increase (decrease) in cash and cash
  equivalents                                          6,271           3,935

Cash and cash equivalents at beginning of 
  period                                               4,358           2,104
                                                    -------         -------
Cash and cash equivalents at end of period        $  10,629        $  6,039
                                                    -------         -------
                                                    -------         -------
Reconciliation of net loss to net cash 
  provided (used) by operating activities:
  Net loss                                        $  (6,655)      $  (4,015)
  Depreciation and amortization                       1,102           1,230
  Net (increase) decrease in accounts 
   receivable and other current assets                    82              (7)
  Net increase (decrease) in accounts 
   payable, accrued liabilities, deferred 
   revenue and accrued rent                           15,269           3,498
                                                    -------         -------
  Net cash provided (used) by operating 
    activities                                      $  9,798          $  706
                                                    -------         -------
                                                    -------         -------

                   See accompanying notes to financial statements.





<PAGE>

                         AGOURON PHARMACEUTICALS, INC.
                        NOTES TO FINANCIAL STATEMENTS
                                 (Unaudited)

1.     Nature of Operations

Agouron Pharmaceuticals, Inc. is involved in the research and 
development of novel synthetic drugs for the treatment of cancer, viral 
diseases and immuno-inflammatory disease.  The Company intends to 
commercialize any successfully developed products through its own 
direct sales and marketing activities in certain markets or, when 
appropriate, through manufacturing and marketing relationships with 
other pharmaceutical companies.

2.     Financial Statements and Estimates

The balance sheet as of December 31, 1995 and the statements of 
operations and cash flows for the three-month and six-month periods 
ended December 31, 1995 and 1994 have been prepared by the Company and 
have not been audited.  Such financials, in the opinion of management, 
include all adjustments (consisting only of normal, recurring accruals) 
necessary to present fairly the financial position, results of 
operations and cash flows for all periods presented.  These financial 
statements should be read in conjunction with the financial statements 
and notes thereto included in the Company's June 30, 1995 Annual Report 
on Form 10-K.  Interim operating results are not necessarily indicative 
of operating results for the full year.

The preparation of financial statements in conformity with generally 
accepted accounting principles requires management to make estimates 
and assumptions that affect the reported amounts of assets, 
liabilities, revenues and expenses and related disclosures as of the 
date of the financial statements.  Actual results could differ from 
such estimates.

At December 31, 1995, it has been assumed that the existing 
collaborations with Japan Tobacco Inc. ("JT") will continue in 
accordance with their agreement terms.  As such, approximately 
$16,502,000 of cash received from JT has been classified as deferred 
contract revenue and is being recognized as revenue on a prospective 
basis as collaborative program expenses are incurred.  Should any of 
the underlying collaborations be terminated in advance of their 
contract terms, any deferred contract revenues related to such 
collaborations would immediately be recognized as revenue by the 
Company.

3.     Short-term Investments

Included in short-term investments at December 31, 1995 and June 30, 
1995 is $1,444,000 and $172,000 of accrued interest receivable. 
Included in short-term investments at December 31, 1995 is $400,000 
which has been pledged as collateral in conjunction with certain 
long-term debt obligations.

At December 31, 1995, the Company's short-term investments are 
generally available for sale and are carried at amortized cost which 
approximates market.  These investments, consisting principally of 
United States government securities (78%) and corporate obligations 
 (19%), have average maturities of less than one year.

4.     Certain Concentrations

A significant portion of the Company's research and development 
expenditures are related to programs funded in whole or in part by JT. 
The termination of such collaborative research and development programs could
result in the absence of any prospective funding for such programs 
and the need to evaluate the level of future program spending, if any. 

<PAGE>

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

When used in this discussion, the words "believes", "anticipated" and 
similar expressions are intended to identify forward-looking 
statements.  Such statements are subject to certain risks and 
uncertainties which could cause actual results to differ materially 
from those projected.  See "Important Factors Regarding Forward-Looking 
Statements" attached hereto as Exhibit 99 and incorporated herein by 
reference.  Readers are cautioned not to place undue reliance on these 
forward-looking statements which speak only as of the date hereof.  The 
Company undertakes no obligation to publicly release the result of any 
revisions to these forward-looking statements which may be made to 
reflect events or circumstances after the date hereof or to reflect the 
occurrence of unanticipated events.

Financial Condition

The Company relies principally on equity financings and corporate 
collaborations to fund its operations and capital expenditures.  At 
December 31, 1995, due principally to the receipt of a $24,000,000 
milestone payment from Japan Tobacco, Inc. ("JT") in August and the net 
proceeds of approximately $78,589,000 from a public offering of common 
stock in September, the Company had cash, cash equivalents and 
short-term investments of approximately $108,763,000.  Management 
believes that its present capital resources, plus the funding from 
certain existing collaborative relationships, will be sufficient to 
meet its working capital needs at least through fiscal 1997.  The 
Company may require additional long-term financing to meet the 
operating needs of fiscal 1998 and beyond.  The Company will consider 
various financing vehicles to meet such needs including collaborative 
arrangements and public offerings or private placements of Company 
common or preferred stock.  If such vehicles are not available, the 
Company may be required to delay or eliminate expenditures for certain 
of its products or to license third parties to commercialize products 
or technologies that the Company would otherwise seek to develop 
itself.

Results of Operations

The Company is engaged in the research and development of human 
pharmaceuticals utilizing protein structure-based drug design.  Such 
research and development has been funded from the Company's 
equity-derived working capital and through various collaborative 
arrangements.  The Company's net operating losses reflect primarily the 
result of its independent research and continued increasing investment 
in clinical development activities concentrated on the Company's lead 
compounds in cancer and AIDS.  As product sales may not begin prior to 
calendar 1997 and certain programs are expanding their preclinical and 
clinical development activities, it is anticipated that net operating 
losses will continue and possibly increase through fiscal 1997.

The increase in the net losses for the three and six months ended 
December 31, 1995 compared to the year-earlier periods is due 
principally to the Company's commitment to support expanding clinical 
activities and establish a commercial infrastructure associated with 
the Company's two leading product candidates.  These spending increases 
were partially offset by increased contract revenues.

Contract revenues in the current three- and six-month periods have 
increased compared to the year earlier periods due mainly to an 
anti-HIV collaboration with JT initiated in December 1994. Interest 
income has increased significantly from the prior-year periods due to a 
higher average investment portfolio balance resulting from the 
previously described public offering and milestone payment.  Partially 
offsetting these revenue increases on a quarter-to-quarter and 
year-to-year basis was the absence of funding from JT due to the 
cancellation of a collaborative research program with JT in January 
1995.

Research and development costs and expenses increased from the 
prior-year periods due generally to increasing average research and 
development staff levels (approximately 19%) and staff-related 
expenditures, including occupancy, and significantly increased 
expenditures for human clinical trial activities associated with the 
Company's leading product development programs, THYMITAQ (TM) and 
VIRACEPT (TM).

The increase in general and administrative costs and expenses in the 
current three- and six-month periods is due chiefly to increasing 
average staff levels (approximately 19% and 24%, respectively) and 
staff related expenditures and certain costs associated with a growing 
sales and marketing infrastructure.

Interest expense in the current-year periods is generally decreasing as 
the level of debt and capital base obligations decline.  Partially or 
wholly offsetting these declines are the exercise costs associated with  
certain lease buy-out options.

PART II.     OTHER INFORMATION

Item 1.     Legal Proceedings:  The Company is involved in certain 
            legal or administrative proceedings generally incidental to its
            normal business activities.  While the outcome of any such 
            proceedings cannot be accurately predicted, the Company does not
            believe the ultimate resolution of any such existing matters 
            should have a material adverse effect on its financial position.

Item 2.     Changes in Securities:  None.

Item 3.     Defaults Upon Senior Securities:  None.

Item 4.     Submission of Matters to a Vote of Security Holders:  The 
            Company held its Annual Meeting of Shareholders on November 2,
            1995 and proxies for such meeting were solicited pursuant to
            Regulation 14A. There was no solicitation in opposition to
            management's nominees for directors as listed in the proxy 
            statement and all such nominees were elected.  The names of 
            directors elected at the meeting are:  John N. Abelson, Patricia
            M. Cloherty, A. E. Cohen, Gary E. Friedman, Michael E. Herman, 
            Irving S. Johnson, Peter Johnson, Antonie T. Knoppers and Melvin 
            I. Simon.  Each director received 8,503,383 votes in favor of 
            his or her election.

            In addition, the shareholders voted on two other proposals as 
            listed in the proxy statement.  The proposals and the results of
            the voting are summarized below.

            1.     The shareholders approved a proposal to amend the 
                   Company's 1990 Stock Option Plan to increase the number of 
                   shares available for grant by 1,000,000 shares.  The vote 
                   was 4,744,448 for, 1,289,330 against, 31,941 abstained and 
                   2,452,219 not voted.

            2.     The shareholders ratified the selection of Price
                   Waterhouse as certified public accountants.  The vote was
                   8,499,789 for, 6,315 against and 11,834 abstained.

Item 5.     Other Information:  None.

Item 6.     Exhibits and Reports on Form 8-K:

            a.     Exhibits:

                   10.33     1990 Stock Option Plan (restated November 2, 
                             1995).
     
                   10.58     First Amendment to Development and License 
                             Agreement effective December 1, 1995 between 
                             Japan Tobacco Inc. and the Company.  
                             (Confidential treatment has been requested for
                             portion of this agreement pursuant to an 
                             application dated January 31, 1996.  The 
                             underlying agreement was filed as Exhibit 10.54 
                             to Form 10-Q for the period ended December 31,
                             1994, and portions thereof receive confidential
                             treatment pursuant to an order of the Securities 
                             and Exchange Commission dated June 28, 1995.)

                      27     Financial Data Schedule.  (Exhibit 27 is 
                             submitted as an exhibit only in the electronic 
                             format of this Quarterly Report on Form 10-Q 
                             submitted to the Securities and Exchange 
                             Commission.)

                      99     Important Factors Regarding Forward-Looking
                             Statements. 

              b.     Reports on Form 8-K:  None. 
<PAGE>
                                  SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.


                                  AGOURON PHARMACEUTICALS, INC.




Date:  January 31, 1996           /s/ Steven S. Cowell     
                                  ---------------------------------
                                  Steven S. Cowell
                                  Vice President, Finance and Chief Financial
                                  Officer and Chief Accounting Officer












<TABLE> <S> <C>


<PAGE>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMAY FINANCIAL INFORMATION EXTRACTED FROM THE 
BALANCE SHEET AND THE STATEMENT OF OPERATIONS AND IS QUALIFIED IN ITS 
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                                  <C>
<PERIOD-TYPE>                         6-MOS
<FISCAL-YEAR-END>                            JUN-30-1996
<PERIOD-END>                                 DEC-31-1995
<CASH>                                            10,629
<SECURITIES>                                      98,134
<RECEIVABLES>                                        214
<ALLOWANCES>                                           0
<INVENTORY>                                            0
<CURRENT-ASSETS>                                 109,896
<PP&E>                                            17,953
<DEPRECIATION>                                    12,512
<TOTAL-ASSETS>                                   115,337
<CURRENT-LIABILITIES>                             27,652
<BONDS>                                                0
<COMMON>                                         156,218
                                  0
                                            0
<OTHER-SE>                                       (70,177)
<TOTAL-LIABILITY-AND-EQUITY>                     115,337
<SALES>                                                0
<TOTAL-REVENUES>                                  22,549
<CGS>                                                  0
<TOTAL-COSTS>                                     18,830
<OTHER-EXPENSES>                                  10,227
<LOSS-PROVISION>                                       0
<INTEREST-EXPENSE>                                   147
<INCOME-PRETAX>                                   (6,655)
<INCOME-TAX>                                           0
<INCOME-CONTINUING>                               (6,655)
<DISCONTINUED>                                         0
<EXTRAORDINARY>                                        0
<CHANGES>                                              0
<NET-INCOME>                                      (6,655)
<EPS-PRIMARY>                                      (0.73)
<EPS-DILUTED>                                      (0.73)
        

</TABLE>


<PAGE>
                                                                Exhibit 10.33

                        AGOURON PHARMACEUTICALS, INC.
                          1990 STOCK OPTION PLAN
                        (Restated November 2, 1995)



1.     Purpose.

     This 1990 Stock Option Plan is intended to encourage stock ownership 
in Agouron Pharmaceuticals, Inc. by the officers, directors, employees and 
consultants of the Company and its affiliates in order to promote their 
interest in the success of the Company and to encourage their continued 
affiliation.  All options granted under this 1990 Stock Option Plan are 
intended to be either (a) Incentive Stock Options or (b) Non-Statutory 
Stock Options.


2.     Definitions.

     As used herein the following definitions shall apply:

     "Act" shall mean the Securities Exchange Act of 1934, as amended from 
time to time.

     "Affiliate" shall mean any corporation defined as a "parent 
corporation" or a "subsidiary corporation" by Code Section 424(e) and (f), 
respectively.

     "Agreement" shall mean either a 1990 Incentive Stock Option Agreement 
or a 1990 Non-Statutory Stock Option Agreement, embodying the terms of the 
agreement between the Company and the Optionee with respect to Optionee's 
Option.

     "Board" shall mean the Board of Directors of the Company.

     "Code" shall mean the Internal Revenue Code of 1986, as amended.

     "Company" shall mean Agouron Pharmaceuticals, Inc., a California 
corporation.

     "Consultant" shall mean any person who is placed on the Company's 
Consultants List by the Board and who agrees in writing to be included 
thereon.

     "Disability" or "Disabled" shall mean the condition of being 
"disabled" within the meaning of Section 422(c)(6) of the Code or any 
successor provision.

     "Director" shall mean the individual members of the Board.

     "Employee" shall mean any salaried employee of the Company or its 
Affiliates, including those employees who are officers of the Company or 
its Affiliates.

     "ERISA" shall mean the Employee Income Security Act or the rules 
thereunder, as amended from time to time.

     "Fair Market Value" of Stock on a given date shall mean an amount per 
share as determined by the Board or its delegates by applying any 
reasonable valuation method determined without regard to any restriction 
other than a restriction which, by its terms, will never lapse.  
Notwithstanding the preceding, if the Stock is traded upon an established 
stock exchange or exchanges or quoted on the over-the-counter market as 
reported by the National Association of Securities Dealers Automated 
Quotation Systems ("NASDAQ") National Market System, then the "Fair Market 
Value" of Stock on a given date per share shall be deemed to be the average 
of the highest and lowest selling price per share of the Stock on the 
principal stock exchange on which the Stock is then trading or on the over-
the-counter market as reported by NASDAQ National Market System on such 
date or, if there was no trading of the Stock on that day, on the next 
preceding day on which there was such a trade; if the Stock is not traded 
upon an established stock exchange or quoted on the over-the-counter market 
as reported by NASDAQ National Market System but is quoted on the NASDAQ or 
a successor quotation system, the "Fair Market Value" of Stock on a given 
date shall be deemed to be the mean between the closing representative 
"bid" and "ask" prices per share of the Stock on such date as reported by 
the NASDAQ or such quotation system or, if there shall have been no trading 
of the Stock on that day, on the next preceding day on which there was such 
trading.

     "Incentive Stock Option" shall mean an option granted pursuant to the 
Plan which is designated by the Board or its delegates as an "Incentive 
Stock Option" and which qualifies as an incentive stock option under 
Section 422 of the Code or any successor provision.  

     "Non-Statutory Stock Option" shall mean a stock option granted 
pursuant to the Plan which is not an Incentive Stock Option.

     "Option" shall refer to either or both an Incentive Stock Option or 
Non-Statutory Stock Option as the context shall indicate.

     "Optionee" shall mean the recipient of an Incentive Stock Option or a 
Non-Statutory Stock Option. 

     "Option Price" shall mean the price per share of Stock to be paid by 
the Optionee upon exercise of the Option.

     "Option Stock" shall mean the total number of shares of Stock the 
Optionee shall be entitled to purchase pursuant to the Agreement.

     "Plan" shall mean this Agouron Pharmaceuticals, Inc. 1990 Stock Option 
Plan, as amended from time to time.

     "Reporting Person" shall mean an Optionee who is required to file 
statements relating to his or her beneficial ownership of Stock with the 
SEC pursuant to Section 16(a) of the Act.

     "Rule 16b-3" shall mean Rule 16b-3 (as amended from time to time), 
promulgated by the SEC under the Act, and any successor thereto.

     "SEC" shall mean the Securities and Exchange Commission.

     "Stock" shall mean no par Common Stock of the Company.


3.   Administration.

     The Plan shall be administered by the Board; provided, however, that 
the Board may delegate all or any part of its authority to administer the 
Plan in its entirety or, with respect to any group or groups of persons 
eligible to receive Options hereunder, to such persons or committee as the 
Board shall in its sole discretion determine.  If mandated by Rule 16b-3, 
the selection and determination of Option grants to Reporting Persons shall 
be only by a committee of the Board so constituted as to permit the Plan to 
satisfy the requirements necessary for the exemptions provided by Rule 16b-
3 to be available (i.e., a committee of a least two disinterested persons 
who are Directors).  The Board and its delegates may adopt, amend and 
rescind such rules and regulations for carrying out the Plan and 
implementing agreements and take such act as it deems proper.  The 
interpretation, construction and application by the Board or any 
individuals who are delegated authority by the Board to administer the Plan 
or any of the provisions of the Plan or any Option granted thereunder shall 
be final and binding on the Company, all Optionees, their legal 
representatives, and any person who may acquire the Option directly from 
the Optionee by permitted transfer, bequest or inheritance.  Reference to 
administrative acts by the Board in this Agreement shall also refer to acts 
by its delegates, unless the context otherwise indicates.  Whether or not 
the Board has delegated administrative activity, the Board has the final 
power to determine all questions of policy or expediency that may arise in 
administration of the Plan.


4.     Eligibility.

     Only Employees are eligible to receive Incentive Stock Options under 
the Plan.  Employees, officers, Directors and Consultants of the Company or 
its Affiliates are eligible to receive Non-Statutory Stock Options under 
the Plan.  Notwithstanding the foregoing, an individual Director who is not 
also an Employee, officer or Consultant to the Company shall not be 
eligible to receive Options under the Plan, unless the Board expressly 
declares the individual Director eligible for participation in the Plan.  
However, the Board, if it so elects, may establish a stock option grant 
program under the Plan, in which all non-Employee Directors are entitled to 
participate, provided that such program does not contravene any requirement 
of Rule 16b-3.  A member of the Board may elect to irrevocably decline to 
participate in the Plan or in any other stock option plan of the Company 
for a period of time in order to permit the Director to comply with the 
requirements of Rule 16b-3 to be a "disinterested person."

     No person shall be eligible to receive an Option for a larger number 
of shares than is recommended for him by the Board.  Any Optionee may hold 
more than one Option (whether Incentive Stock Options, Non-Statutory Stock 
Options, or both), but only on the terms and conditions and subject to the 
restrictions set forth herein.

     Incentive Stock Options granted to an Employee who owns stock at the 
time the Incentive Stock Option is granted, representing more than ten  
percent (10%) of the total combined voting power of all classes of stock of 
the Company and its Affiliates shall be granted at an Option Price at least 
one hundred ten percent (110%) of the Fair Market Value of the Stock at the 
time the Incentive Stock Option is granted.  In determining ownership of 
Stock by an Employee, the attribution standards set forth in Code Section 
424(d) shall be applicable.


5.   Stock Subject to Plan.

     Options granted under the Plan shall be for shares of the Company's 
authorized but unissued or reacquired Stock.  The aggregate number of 
shares of Stock which may be subject to Options pursuant to the Plan shall 
not exceed three million five hundred thousand (3,500,000) shares.  The 
number of shares available shall be adjusted as provided in Paragraph 6(j) 
of this Plan.  Stock issued under other stock option plans of the Company 
shall not be counted against the maximum number of shares that can be 
issued under the Plan.

     In the event that any outstanding Option expires or is terminated for 
any reason, the shares of Stock allocable to the unexercised portion of 
such Option may again be subject to an Option under the Plan.

     If an Optionee pays all or part of any Option Price with shares of 
Stock, the number of shares deemed to be issued to the Optionee (and 
counted against the maximum number of shares that can be issued under the 
Plan) shall be the number of shares transferred to the Optionee by the 
Company, less the number of shares transferred by the Optionee to the 
Company as payment.  Stock issued on the exercise of an Option, which is 
forfeited in accordance with conditions contained in the grant by the 
Optionee after issuance shall be deemed to have never been issued under the 
Plan and, accordingly, shall not be counted against the maximum number of 
shares that can be issued under the Plan.  Notwithstanding the terms of the 
previous two sentences, the maximum number of shares for which Incentive 
Stock Options may be issued under the Plan shall be three million five 
hundred thousand (3,500,000) shares, subject to adjustment as provided 
under Paragraph 6(j), regardless of the fact that under the terms of the 
preceding sentences, a lesser number of shares is deemed to be issued 
pursuant to the exercise of Incentive Stock Options; provided further that, 
to the extent required by Rule 16b-3, the maximum number of shares issuable 
to Reporting Persons shall be three million five hundred thousand 
(3,500,000) shares, subject to adjustment as provided under Paragraph 6(j), 
regardless of the fact that under the terms of the preceding sentences a 
lesser number of shares is deemed to be issued.


6.   Terms and Conditions of Options.

     The Board or its delegates shall authorize the granting of all Options 
under the Plan with such Options to be evidenced by Incentive Stock Option 
Agreements or Non-Statutory Stock Option Agreements as the case may be.  
Each Agreement shall be in such form as the Board may approve from time to 
time.  Each Agreement shall comply with and be subject to the following 
terms and conditions:

     (a)    Type of Option; Number of Shares.  Each particular Option 
Agreement shall state the type of Options to be granted (whether 
Incentive Stock Options or Non-Statutory Stock Options) and the 
number of shares to which the Option pertains.  Under no 
circumstances shall the aggregate Fair Market Value (determined as of 
the time the Option is granted) of the Stock with respect to which 
incentive stock options are exercisable for the first time by any 
Employee during any calendar year (under all incentive stock option 
plans of the Company and its Affiliates) exceed $100,000.

     (b)    Option Price.  Each particular Option Agreement shall state 
the Option Price.  The Option Price for an Incentive Stock Option 
shall not be less than one hundred percent (100%) of the Fair Market 
Value per share of Stock on the date of the granting of the Incentive 
Stock Option.  The Option Price for a Non-Statutory Stock Option 
shall be the price per share of Stock set by the Board or its 
delegates.

     (c)    Sale of Stock.  No shares of Stock acquired by a Reporting 
Person pursuant to the Plan (other than in connection with the 
exercise of an Option) may be sold for at least six (6) months after 
acquisition, except in the case of death or Disability of the 
Reporting Person.  Certificates for shares of Stock issued and 
delivered to Reporting Persons may be legended, as the Board deems 
appropriate, to reflect this restriction.  In addition, the Board may 
require postponement for up to six (6) months of delivery to 
Reporting Persons of shares otherwise deliverable to them.  
Notwithstanding the foregoing, this Paragraph 6(c) shall apply to a 
sale of Stock by a Reporting Person only when required by Rule 16b-3 
at the time and under the circumstances of the sale.

     (d)    Medium and Time of Payment.  The aggregate Option Price shall 
be payable upon the exercise of the Option and shall be paid in any 
combination of: (a) United States cash currency; (b) a cashier's or 
certified check to the order of the Company; (c) a personal check 
acceptable to the Company; (d) to the extent permitted by the Board, 
shares of Stock of the Company (including previously owned Stock or 
Stock issuable in connection with the Option exercise), properly 
endorsed to the Company, whose Fair Market Value on the date of 
exercise equals the aggregate Option Price of the Option being 
exercised; (e) to the extent agreed to by the Board, the Optionee's 
entering into an agreement with the Company, whereby a portion of the 
Optionee's Options are terminated and where the "built-in gain" on 
any Options which are terminated as part of such agreement equals the 
aggregate Option Price of the Option being exercised.  "Built-in 
gain" means the excess of the aggregate Fair Market Value of any 
Stock otherwise issuable on exercise of a terminated Option, over the 
aggregate Option Price otherwise due the Company on such exercise.  

     The Board may permit deemed or constructive transfer of shares 
in lieu of actual transfer and physical delivery of certificates.  
Except to the extent prohibited by applicable law, the Board may take 
any necessary or appropriate steps in order to facilitate the payment 
of any such Option Price.  Without limiting the foregoing, the Board 
may cause the Company to loan the Option Price to the Optionee or to 
guarantee that any Stock to be issued will be delivered to a broker 
or lender in order to allow the Optionee to borrow the Option Price.  
The Board, in its sole and exclusive discretion, may require 
satisfaction of any rules or conditions in connection with paying the 
Option Price at any particular time, in any particular form, or with 
the Company's assistance.

     If Stock used to pay any Option Price is subject to any prior 
restrictions imposed in connection with any plan of the Company 
(including this Plan), an equal number of the shares of Stock 
acquired on exercise shall be made subject to such prior restrictions 
in addition to any further restrictions imposed on such Stock by the 
terms of the Optionee's Agreement or by the Plan.

     (e)    Duration of Options.  Each particular Option Agreement shall 
state the term of the Option; provided, however, that all Incentive 
Stock Options granted under this Plan shall expire and not be 
exercisable after the expiration of ten (10) years from the date 
granted; provided, however, that any Incentive Stock Option granted 
to an Employee who owns stock at the time the Incentive Stock Option 
is granted representing more than ten percent (10%) of the total 
combined voting power of all classes of stock of the Company and its 
Affiliates, shall expire and not be exercisable after the expiration 
of five (5) years from the date granted.  Non-Statutory Stock Options 
shall expire and not be exercisable after the date set by the Board 
or its delegates in the particular Option Agreement, or on any later 
date subsequently approved by the Board or its delegates.

     (f)   Exercise of Options.

          (i)     Each particular Option Agreement shall state when the 
Optionee's right to purchase Stock pursuant to the terms of an 
Option are exercisable in whole or in part.  Subject to the 
earlier termination of the right to exercise the Options as 
provided under this Plan, Options shall be exercisable in whole 
or in part as the Board, in its sole and exclusive discretion, 
may provide in the particular Option Agreement, as amended.  
The Board may at any time increase the percentage an Option is 
otherwise exercisable under the terms of a particular Option 
Agreement.  The Board, in its sole and exclusive discretion, 
may permit the issuance of Stock underlying an Option prior to 
the date the Option is otherwise exercisable, provided such 
Stock is subject to repurchase rights which expire pro rata as 
the Option would otherwise have become exercisable.  Options 
held by Reporting Persons shall not be exercisable for at least 
six (6) months after grant, unless the death or Disability of 
the Optionee occurs before the expiration of the six (6) month 
period.  Notwithstanding the foregoing, the terms of the 
preceding sentence shall apply to an exercise only when 
required by Rule 16b-3 at the time and under the circumstances 
of the exercise.

         (ii)    If the Optionee does not exercise in any one (1) year 
period the full number of shares to which he is then entitled 
to exercise, he may exercise those shares in any subsequent 
year during the term of the Option.

     (g)    Transfer of Options.  To the extent required by Code Section 
422 and Rule 16b-3, Options, or the rights of Optionees pursuant to 
the Options, shall not be transferable in any manner, whether 
voluntary or involuntary, except by will or the law of descent and 
distribution or pursuant to a qualified domestic relations order as 
defined in the Code or Title I of ERISA;  provided, however, that a 
Non-Statutory Stock Option may be transferred to a trust for the 
benefit of the Optionee or members of his immediate family provided 
that such transfer does not violate the requirements of Rule 16b-3.  
An attempted non-permitted transfer shall be void and shall 
immediately terminate the Option.

     (h)    Death of Optionee.  If the Optionee who is an Employee, 
officer or Director of the Company or its Affiliates dies while in 
the employ or service of the Company or its Affiliates, or within a 
period of three (3) months after termination of such employment or 
term of corporate office, and before he or she has fully exercised an 
Option, the Option may be exercised, regardless of the expiration 
date stated in the particular Option Agreement, to the extent that 
the Option was exercisable on the date of death and had not 
previously been exercised, for one (1) year after the date of the 
Optionee's death.  Such exercise may be made by a personal 
representative of the Optionee or by any person or persons who shall 
have acquired the Option directly from the Optionee by bequest or 
inheritance.  Notwithstanding the foregoing, an Incentive Stock 
Option may not be exercised after ten (10) years following the date 
of grant.

     (i)    Termination of Employment or Service Other than Death.  
Subject to the provisions of Paragraph 6(h) above, in the event that 
an Optionee who is an Employee, officer or Director of the Company or 
its Affiliates shall cease to be employed by or perform services for 
the Company or its Affiliates prior to the Option's expiration date, 
the exercise of Options held by such Optionee shall be subject to 
such limitations on the periods of time during which such Options may 
be exercised as may be specified in the particular Option Agreement, 
as amended, between the Optionee and the Company.  Notwithstanding 
the foregoing (and subject to the provisions of Paragraph 6(h) 
above), an Optionee who is Disabled on the date of termination of 
employment or term of corporate office may exercise his Option to the 
extent that the Option was exercisable on the date of such 
termination and had not previously been exercised, for one (1) year 
from the date of such termination; provided, however, that an Option 
may not be exercised after the expiration date set forth in the 
particular Option Agreement, as amended.  Whether authorized leave of 
absence or absence for military or governmental service shall 
constitute termination of employment for purposes of the Plan, shall 
be determined by the Board in their sole and exclusive discretion.  
No provision of the Plan shall be construed so as to grant any 
individual the right to remain in the employ or service of the 
Company for any period of specific duration.

     (j)    Recapitalization.  The number of shares issuable under the 
Plan and the number and amount of the Option Stock and the Option 
Price of outstanding Options shall be proportionately adjusted for 
any increase or decrease in the number of issued shares of Stock 
resulting from a subdivision or consolidation of shares, or for the 
payment of a stock dividend or any other increase or decrease in the 
number of such shares effected without receipt of consideration by 
the Company in order to preclude the dilution or enlargement of 
benefits under the Plan.

     The Board, in its sole and exclusive discretion, may make such 
equitable adjustments to the Plan and outstanding Options as it deems 
appropriate in order to preclude the dilution or enlargement of 
benefits under the Plan upon exchange of all of the outstanding Stock 
of the Company for a different class or series of capital stock or 
the separation of assets of the Company, including a spin-off or 
other distribution of stock or property by the Company.

     If the Company shall be the surviving corporation in any merger 
or consolidation, each outstanding Option shall pertain to and apply 
to the securities to which a holder of the number of shares of Option 
Stock would have been entitled.  A dissolution or liquidation of the 
Company, a merger (other than a merger the principal purpose of which 
is to change the state of the Company's incorporation) or 
consolidation in which the Company is not the surviving corporation, 
a reverse merger in which the Company is the surviving corporation 
but the Company's Common Stock outstanding immediately preceding the 
merger is converted by virtue of the merger into other property, or 
other capital reorganization in which more than fifty percent (50%) 
of the Company's Common Stock is exchanged (unless the dissolution or 
liquidation plan, merger or consolidation agreement or capital 
reorganization corporate documents expressly provide to the contrary) 
shall cause each outstanding Option to terminate; provided, that each 
Optionee shall, immediately prior to such event, have the right to 
exercise his or her Option in whole or in part unless the Option in 
connection with such event is either to be assumed by the successor 
corporation or parent thereof, or to be replaced with a comparable 
option to purchase shares of the capital stock of the successor 
corporation or parent thereof, or the Option is to be replaced by a 
comparable cash incentive program of the successor corporation based 
on the value of the Option on the date of such event.  
Notwithstanding the preceding, if within one (1) year from the date 
of such event, an Employee's employment is involuntarily terminated, 
then the Employee's outstanding Options, if any, shall become 
immediately exercisable.

     All adjustments required by the preceding paragraphs shall be 
made by the Board, whose determination in that respect shall be 
final, binding and conclusive; provided, that adjustments shall not 
be made in a manner that causes an Incentive Stock Option to fail to 
continue to qualify as an "incentive stock option" within the meaning 
of Code Section 422.

     Except as expressly provided in this Paragraph 6(j), an Optionee 
shall have no rights by reason of any subdivision or consolidation of 
shares of stock of any class, or the payment of any stock dividend, 
or any other increase in the number of shares of stock of any class 
by reason of any dissolution, liquidation, merger, consolidation, 
reorganization, or separation of assets, and any issue by the Company 
of shares of stock of any class, or securities convertible into 
shares of stock of any class, shall not affect, and no adjustment by 
reason thereof shall be made with respect to, the number or amount of 
the Option Stock or the Option Price of outstanding Options.

     The grant or existence of an Option shall not affect in any way 
the right or power of the Company to make adjustments, 
reclassifications, reorganizations or changes in its capital or 
business structure or to merge, consolidate, dissolve, liquidate, or 
sell or transfer all or any part of its business or assets.

     (k)    Rights as a Shareholder.  An Optionee shall not have rights 
as a shareholder with respect to any shares until the date of the 
issuance of a stock certificate to him for such shares.  No 
adjustment shall be made for dividends (ordinary or extraordinary, 
whether in cash, securities or other property) or distributions or 
other rights for which the record date is prior to the date of 
issuance of such stock certificate, except as provided in Paragraph 
6(j) above.

     (l)    Modification, Extension and Renewal of Options.  Subject to 
the terms and conditions of the Plan, the Board may modify (including 
lowering the Option Price or changing Incentive Stock Options into 
Non-Statutory Stock Options), extend or renew outstanding Options 
granted under the Plan, or accept the surrender of outstanding 
Options under this Plan and/or other stock option plans of the 
Company (to the extent not previously exercised) and authorize the 
granting of new Options in substitution therefor.  Notwithstanding 
the foregoing, no modification of an Option shall, without the 
consent of the Optionee, alter or impair any rights or obligations 
under any Option previously granted under the Plan.

     (m)    Investment Purpose.  Each Option under the Plan shall be 
granted on the condition that the purchase of Stock thereunder shall 
be for investment purposes and the Optionee's own account, and not 
with a view to resale or distribution.  In the event the Stock 
subject to such Option is registered under the Securities Act of 
1933, as amended, or in the event a resale of such Stock without such 
registration would otherwise be permissible, such condition shall be 
inoperative if, in the opinion of counsel for the Company, such 
condition is not required under the Securities Act of 1933, or any 
other applicable law, regulation or rule of any governmental agency.

    (n)    Transfer and Exercise of Options.  To the extent required by 
Code Section 422, each Incentive Stock Option shall state that it is 
not transferable or assignable by Optionee otherwise than by will or 
the laws of descent and distribution, and that during an Optionee's 
lifetime, such Incentive Stock Option shall be exercisable only by 
the Optionee.  Options held by Reporting Persons shall be 
nontransferable otherwise than by will or the laws of descent and 
distribution, or pursuant to a qualified domestic relations order as 
defined in the Code or Title I of ERISA, to the extent required by 
Rule 16b-3.

    (o)    Other Provisions.  Each Option Agreement may contain such 
other provisions, including without limitation, restrictions upon the 
exercise or transferability of the Option, as the Board may deem 
advisable.  Any Incentive Stock Option agreement shall contain such 
limitations and restrictions upon the exercise of the Incentive Stock 
Option as shall be necessary in order that such Incentive Stock 
Option will be an "incentive stock option" as defined in Code Section 
422, or to conform to any change in the law.

    (p)    Withholding Taxes.  When the Company becomes required to 
collect federal and state income and employment taxes in connection 
with the exercise of an Option ("withholding taxes"), the Optionee 
shall promptly pay to the Company the amount of such taxes in cash, 
unless the Board permits or requires payment in another form.  
Subject to such conditions as it may require, the Board, in its sole 
discretion, may allow an Optionee to reimburse the Company for 
payment of withholding taxes with shares of Stock.  If an Optionee is 
a Reporting Person at the time of exercise and is given an election 
to pay any withholding taxes with Stock, the Board shall have sole 
discretion to approve or disapprove such election.

    (q)    Limitation on Grants. The following limitation will apply to 
grants of Options under the Plan: no Employee will be granted 
Options under the Plan to receive more than seven hundred fifty 
thousand (750,000) shares of Stock in any one fiscal year.  The 
limitation set forth in this Paragraph 6(q) is intended to satisfy 
the requirements applicable to Options intended to qualify as 
"performance-based compensation" within the meaning of Section 
162(m) of the Code.  In the event that such limitation is not 
required to qualify Options as performance-based compensation, this 
limitation shall not apply under the Plan.

7.    Term of Plan.

     Incentive Stock Options may be granted pursuant to the Plan from time 
to time within a period of ten (10) years from the date the Plan is adopted 
by the Board, or the date the Plan is approved by the shareholders of the 
Company, whichever is earlier.


8.   Amendment of Plan.

     The Board may, insofar as permitted by law, from time to time, with 
respect to any shares at the time not subject to Options, suspend or 
discontinue the Plan or revise or amend it in any respect whatsoever, 
except that, without approval of the shareholders, no such revision or 
amendment shall change the number of shares for which Options may be 
granted under the Plan, change the designation of the class of persons 
eligible to receive Options, materially increase the benefits accruing to 
Optionees under the Plan, or decrease the price at which Incentive Stock 
Options may be granted.  Furthermore, the Plan may not, without the 
approval of the shareholders, be amended in any manner that will cause 
Incentive Stock Options issued under it to fail to meet the requirements of 
"incentive stock options" as defined in Code Section 422.  The Board may 
amend the Plan from time to time to the extent necessary to comply with 
Rule 16b-3, or any successor rule or other regulatory requirement.


9.   Application of Funds.

     The proceeds received by the Company from the sale of Stock pursuant 
to the exercise of an Option will be used for general corporate purposes.


10.  No Obligation To Exercise Option.

     The granting of an Option shall impose no obligation upon the Optionee 
to exercise such Option.



11.  Indemnification.

     In addition to such other rights of indemnification as they may have 
as Directors, Employees or agents of the Company, the Directors or any 
individuals who are delegated authority by the Board to administer the 
Plan, shall be indemnified by the Company against:  (i) their reasonable 
expenses, including attorneys' fees actually and necessarily incurred in 
connection with the defense of any action, suit or proceeding, or in 
connection with any appeal therein, to which they or any of them may be a 
party by reason of any action taken or failure to act under or in 
connection with the Plan or any Option granted thereunder; and (ii) against 
all amounts paid by them in settlement thereof (provided such settlement is 
approved by independent legal counsel selected by the Company), or paid by 
them in satisfaction of a judgment in any such action, suit or proceeding, 
except in actions to matters as to which it shall be adjudged in such 
action, suit or proceeding that such Director or individual is liable for 
negligence or misconduct in the performance of his duties; this 
indemnification is expressly conditioned upon the indemnified party within 
ninety (90) days after institution of any such action, suit or proceeding 
offering the Company in writing the opportunity, at its own expense, to 
handle and defend the same.


12.  Approval Of Shareholders.

     The portions of the Plan dealing with Incentive Stock Options shall 
not take effect unless approved by the shareholders of the Company's 
preferred (if any) and Common Stock, which approval must occur within a 
period commencing twelve (12) months before and ending twelve (12) months 
after the date the Plan is adopted by the Board.  Nothing in the Plan shall 
be construed to limit the authority of the Company to exercise its 
corporate rights and powers, including the right of the Company to grant 
options for proper corporate purposes otherwise than under the Plan to any 
person or entity.


     Adopted October 16, 1990; amended August 14, 1991, October 15, 1992, 
September 2, 1994 and September 18, 1995 (restated and last approved by 
Shareholders November 2, 1995) (conformed to Code changes November 4, 
1993).


AGOURON PHARMACEUTICALS, INC.




By:  /s/ Peter Johnson
     --------------------------------
     Peter Johnson, President





<PAGE>
                                                               Exhibit 10.58

                 PORTIONS OF THIS DOCUMENT HAVE BEEN OMITTED
               (DESIGNATED BY AN ASTERIX (*) AND WHITE SPACE)
                      AND FILED SEPARATELY WITH THE
               SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A 
                 REQUEST FOR CONFIDENTIAL TREATMENT DATED
                          JANUARY 31, 1996; FILE NO. 0-15609



                             FIRST AMENDMENT TO 
                    DEVELOPMENT AND LICENSE AGREEMENT

Effective as of December 1, 1994, Agouron Pharmaceuticals, Inc., a California 
corporation ("Agouron") and Japan Tobacco Inc., a Japanese corporation 
("JT"), for good and valuable consideration, agree as follows:


1.     Agouron and JT entered into a Development and License Agreement dated 
       December 1, 1994 ("Agreement") and have conducted collaborative
       development activities pursuant to the terms of such Agreement.

2.     The parties wish to amend and restate the below-noted schedules, 
       exhibits and attachments to the Agreement to read in full as stated in 
       the correspondingly numbered schedules, exhibits and attachments which 
       are attached hereto and incorporated herein by reference:  

                               Schedule 4
                               Exhibit 1
                               Exhibits 2A and 2B*
                               Exhibit 3
                               Attachment 1
                               Attachment 2
                               Attachment 4
                               Attachment 5
                               Attachment 6
                               Attachment 7 

     _______________________
     *These two exhibits have been combined into one and renamed "Exhibit 2."

3.     Except as modified by the terms contained herein, the provisions of 
       the Agreement  shall remain in full force and effect.


AGOURON PHARMACEUTICALS, INC.               JAPAN TOBACCO INC.


By     /s/ Gary E. Friedman, Esq.           By     /s/ Masamichi Nishimoto
       ------------------------                   ---------------------------
Name   Gary E. Friedman, Esq.               Name   Masamichi Nishimoto

Title  Vice President and General Counsel   Title  Executive Director


Date   10/11/95                             Date   11/10/95

<PAGE>



                                  SCHEDULE 4
                            AGOURON PATENT RIGHTS





                               ATTACHED HERETO
<PAGE>



                                 SCHEDULE 4
                           AGOURON PATENT RIGHTS



*

<PAGE>



                                  EXHIBIT 1
                                     *





                               ATTACHED HERETO
                  (Three pages deleted listing schedule.)
                                     *

<PAGE>

                                   EXHIBIT 2
                                     *






                                ATTACHED HERETO
                     (Two pages deleted listing budget.)
                                     *

<PAGE>



                                  EXHIBIT 3
                                     *






                               ATTACHED HERETO
                 (Four pages deleted describing schedule.)
                                     *

<PAGE>



                                  ATTACHMENT 1
                            JOINT VENTURE AGREEMENT





                                ATTACHED HERETO

<PAGE>


                                 ATTACHMENT 1

                           JOINT VENTURE AGREEMENT


     Effective as of the 1st day of January, 1996 (the "Effective Date"), 
Agouron Pharmaceuticals, Inc. ("Agouron"), a California corporation with 
offices at 10350 North Torrey Pines Road, La Jolla, California, United 
States of America and Japan Tobacco Inc. ("JT"), a Japanese corporation 
with offices at JT Building, 2-1, Toranomon 2-chome, Minato-ku, Tokyo 105 
JAPAN, associate themselves to form a Joint Venture in the form of a 
general partnership under the California Uniform Partnership Act and the 
laws of the State of California on the terms and conditions set forth 
below.  Agouron and JT intend by this Agreement to form a Partnership to 
serve as licensee to implement the commercialization of the Compound and/or 
Products within the *.

1.   Name and Place of Business.

     The name of the Partnership is "Agouron/JT Nelfinavir Non-Exclusive 
Territories Joint Venture," a California general partnership (the 
"Partnership"), and its principal place of business is 10350 North Torrey 
Pines Road, La Jolla, California 92037, or such other place or places as 
the Partners may hereafter determine.

2.   Definitions.

     Words and terms having their initial letters capitalized in this 
Partnership Agreement shall (unless otherwise expressly provided herein or 
unless the context otherwise requires) have the respective meanings set 
forth in Exhibit A.

3.   Business and Purpose of Partnership.

     The purpose (character of business) of the Partnership is to conduct 
any and all business that may be legally conducted by a California general 
partnership, including the exclusive right (with right of sublicense) to 
use, offer for sale, sell and import in or into *










4.   Term.

     The term of the Partnership shall begin on the Effective Date and 
shall continue, unless earlier terminated in accordance with the provisions 
of this Partnership Agreement, until the later to occur of *


                         In no event shall the Term extend beyond December 
31, 2030.

5.   Capital Contributions.

     5.01     Agouron Contribution.  Agouron shall contribute the sum of 
One Dollar ($1.00) (and the property described in Exhibit B hereto).  The 
Agouron Capital Account shall be credited with an amount to be mutually 
determined (and valued) at a later date; such amount to represent the fair 
market value of the property and cash contributed.

     5.02     JT Contribution.  JT shall contribute the sum of One Dollar 
 ($1.00) (and the property described in Exhibit C hereto).  The JT Capital 
Account shall be credited with an amount to be mutually determined (and 
valued) at a later date; such amount to represent the fair market value of 
the property and cash contributed.

     5.03     Return of Capital Contributions.  Except as provided in this 
Partnership Agreement, no Partner shall have priority over any other 
Partner, either as to the return of contributions of capital or as to 
allocations or Distributions.  Other than upon the termination and 
dissolution of the Partnership as provided in this Partnership Agreement, 
there has been no time agreed upon when the contribution of each Partner is 
to be returned.  No Partner shall be entitled to receive any interest on 
its contributions to the capital of the Partnership.

6.   Compensation to Partners and Affiliates.

     Except as otherwise agreed to by the Partners, no Partner or Affiliate 
of a Partner shall receive compensation for services rendered on behalf of 
the Partnership.  The Partners agree that *


7.   Partnership Expenses and Distributions.

     7.01     Partner Expenses.  Each partner shall, at its own expense and 
at no expense to the Partnership, pay all expenses which are unrelated to 
the business of the Partnership.

     7.02     Partnership Expenses.  The Partnership shall pay or reimburse 
any Partner for all expenses of the Partnership, provided such expenses are 
necessary for and appropriate to the business of the Partnership.

     7.03     Distributions.  Subject to the provisions of paragraph 5.04 
of the Development Agreement, distributions shall be made *                
to Agouron and *                    to JT.

8.   Management.

     8.01     General.  The overall business of the Partnership shall be 
managed by *

                          shall implement the provisions of this Agreement 
and shall conduct meetings at regular intervals, *
 Meetings may be conducted in person or by conference telephone, provided 
that any decision made during a telephone conference meeting is evidenced 
by a conformed writing *                                          Minutes
 shall be maintained, *            reflecting actions taken at the meetings.

     8.02     *



























     8.03     *




     8.04     *





     8.05     *









9.   Assignment.

     9.01     *



     9.02     Effect of Prohibited Assignment.  Any attempted assignment, 
sale, transfer, exchange or other transfer in contravention of any of the 
provisions of this Agreement shall be void and ineffective, and shall not 
bind or be recognized by the Partnership.

10.  Books, Records, Accountings and Reports.

     10.01     Maintenance and Inspection.  The Partnership's books and 
records, the Agreement and all amendments thereto, and any separate 
certificates of Partnership shall be maintained at the principal office of 
the Partnership or such other place as the Partners may determine, and 
shall be open to the inspection, examination or copying by Partners or 
their duly authorized representatives at all reasonable times.

     10.02     Financial Statements.  At least once each year, Agouron 
shall cause the preparation of financial statements (balance sheet, 
statement of income or loss, and statement of change in financial position) 
at Partnership expense.  Copies of the financial statements shall be 
distributed to each Partner within ninety (90) days after the close of each 
taxable year of the Partnership.

     10.03     Tax Matters.  Agouron shall cause income tax returns for the 
Partnership to be prepared and timely filed with the appropriate 
authorities at Partnership expense.  The Partnership Agreement was drafted 
with the intent of not adversely affecting the tax liabilities of the 
Partners.  If the form of the Agreement as currently drafted adversely 
affects the tax liabilities of the Partners, the Partners will attempt to 
restructure their business arrangements to minimize the tax effects.

11. Rights, Authority, Powers, Responsibilities and Duties of the Partners.

    11.01     Powers of Partners.  Each Partner shall each have a fiduciary 
responsibility to the other Partner.  The Partners shall have such 
authority, rights and powers as are conferred by law and required or 
appropriate to the management of the Partnership business.

    11.02     Partnership Decisions.  Except as is otherwise specifically 
set forth hereafter, 
*


                                             The Partnership may, with the 
unanimous written consent of both Partners, enter into separate contracts 
and agreements with either Partner.

    11.03     Tax Matters Partner.  Agouron shall act as the "tax matters 
partner" as defined in United States Internal Revenue Code Section 
6231(a)(7).  As the "tax matters partner," Agouron shall have the right to 
represent the Partnership in discussions with the Internal Revenue Service 
regarding the tax treatment of items of Partnership income, loss, 
deductions or credits, or any other matter reflected on the Partnership's 
information returns, and to agree to final Partnership administrative 
adjustments or file a petition in the appropriate judicial forum for a 
readjustment of the items in question.

    11.04     *




12. Withdrawal Rights; Development Agreement.

     *
                                      Any withdrawal in contravention of 
the terms of this Agreement shall not dissolve the Partnership. 
Notwithstanding any terms herein to the contrary, this Agreement is to be 
construed and interpreted in a manner consistent with the terms and intent 
of the Development Agreement.  In the event of any conflict between this 
Agreement and the Development Agreement, the Development Agreement shall 
control.

13. Certain Transactions, Dispute Resolution, Disclosure and Government 
Regulation.

    13.01     Certain Transactions.  A Partner or any Affiliate thereof, or 
 any shareholder, officer, director, employee or any person owning a legal 
or beneficial interest therein, may engage in or possess an interest in any 
other business or venture of every nature and description, independently or 
with others.  No Partner shall have any interest in any other business or 
venture of the other Partner or its Affiliates solely by reason of this 
Agreement.

    13.02     Dispute Resolution;.  In the event of any controversy or 
claim arising out of or relating to any provision of this Agreement, the 
Partners shall try to settle their differences amicably between themselves. 
Any unresolved disputes arising between the Partners relating to, arising 
out of, or in any way connected with this Agreement or any term or 
condition hereof, or the performance by either Partner of its obligations 
hereunder, whether before or after termination of this Agreement, except as 
otherwise provided in this Agreement, shall be finally resolved by binding 
arbitration.  Whenever a Partner shall decide to institute arbitration 
proceedings, it shall give written notice to that effect to the other 
Partner.  The Partner giving such notice shall refrain from instituting the 
arbitration proceedings for a period of sixty (60) days following such 
notice.  If JT is the Partner initiating the arbitration, the arbitration 
shall be held in San Diego, California, according to the rules of the 
American Arbitration Association ("AAA").  If Agouron is the Partner 
initiating the arbitration, the arbitration shall be held in Tokyo, Japan, 
according to the rules of the Japan Commercial Arbitration Association 
 ("JCAA").  The arbitration shall be conducted by a single arbitrator 
mutually chosen by the Partners.  If the Partners can not agree upon a 
single arbitrator within fifteen (15) days after the institution of the 
arbitration proceeding, then the arbitration will be conducted by a panel 
of three arbitrators appointed in accordance with applicable AAA or JCAA 
rules; provided, however, that each Partner shall, within thirty (30) days 
after the institution of the arbitration proceedings, appoint one 
arbitrator with the third arbitrator being chosen by the other two 
arbitrators.  If only one Partner appoints an arbitrator, then such 
arbitrator shall be entitled to act as the sole arbitrator to resolve the 
controversy.  Any arbitration hereunder shall be conducted in the English 
language to the maximum extent possible.  All arbitrator(s) eligible to 
conduct the arbitration must agree to render their opinion(s) within thirty 
 (30) days of the final arbitration hearing.  The arbitrator(s) shall have 
the authority to grant injunctive relief and specific performance and to 
allocate between the Partners the costs of arbitration in such equitable 
manner as he determines; provided, however, that each Partner shall bear 
its own costs and attorneys and witness' fees.  Notwithstanding the terms 
of this Paragraph 13.02, a Partner shall also have the right to obtain 
prior to the arbitrator(s) rendering the arbitration decision, provisional 
remedies including injunctive relief or specific performance from a court 
having jurisdiction thereof.  The arbitrator(s) will, upon the request of 
either Partner, issue a written opinion of the findings of fact and 
conclusions of law and shall deliver a copy to each of the Partners. 
Decisions of the arbitrator(s) shall be final and binding on all of the 
Partners.  Judgment on the award so rendered may be entered in any court 
having jurisdiction thereof.

  13.03     Disclosure of Agreement.  Except as agreed to by the 
Partners, neither Agouron nor JT shall release any information to any third 
party with respect to any of the terms of this Agreement without the prior 
written consent of the other, which consent shall not unreasonably be 
withheld.  This prohibition includes, but is not limited to, press 
releases, educational and scientific conferences, promotional materials and 
discussions with the media.  If a Partner determines that it is required by 
law to release information to any third party regarding the terms of this 
Agreement, it shall notify the other Partner of this fact prior to 
releasing the information.  The notice to the other Partner shall include 
the text of the information proposed for release.  The other Partner shall 
have the right to confer with the notifying Partner regarding the necessity 
for the disclosure and the text of the information proposed for release. 
Notwithstanding the preceding, JT and Agouron shall have the right to 
disclose the terms of this Agreement to persons it proposes to enter into 
business relationships with, if such persons are subject to confidentiality 
and use obligations equivalent to those applicable to the disclosing 
Partner hereunder.

  13.04     Government Approvals.  The Partners will obtain any government 
approval(s) required to enable this Agreement to become effective, 
including but not limited to the requirements for filing a fictitious 
business name in each county in which the Partnership transacts business 
pursuant to applicable law, or to enable any payment hereunder to be made, 
or any other obligation hereunder to be observed or performed.  Each 
Partner will keep the other informed of progress in obtaining any such 
government approval and will cooperate with the other Partner in any such 
efforts.

     13.05     Export Controls.  The Partners agree to abide by the United 
States laws and regulations governing exports and re-exports *

                                                          The Partners
acknowledge that any performance under this Agreement is subject to any 
restrictions which may be imposed by the United States laws and regulations 
governing exports and re-exports.  Each Partner agrees to provide the other 
Partner with any assistance, including written assurances, which may be 
required by a competent governmental authority and by applicable laws and 
regulations as a precondition for any disclosure of technology or software 
by the other Partner under the terms of this Agreement.  The obligations of 
this Paragraph 13.05 shall survive termination or expiration of this 
Agreement.

14. Termination and Dissolution of the Partnership.

    14.01     Court Directed Winding Up.  Upon a petition executed by a 
Partner or Partners, a court of competent jurisdiction may enter a decree 
ordering the winding up of the Partnership if:  (a) it is not reasonably 
practicable to carry on the business in conformity with the Agreement; (b) 
a Partner has been guilty of, or has knowingly countenanced persistent and 
pervasive fraud or abuse of authority, or persistent unfairness toward any 
Partner, or the Partnership Property is being misapplied or wasted by such 
Partner; or (c) dissolution is reasonably necessary for the protection of 
rights or interests of any Partner who petitions under this Paragraph.  Any 
decree entered pursuant to this Paragraph shall designate the Partner or 
Partners who are to wind up the affairs of the Partnership.

    14.02     Events Causing Dissolution.  The Partnership shall be wound 
up and dissolved upon the earlier to occur of:  (a) the sufferance of an 
Event of Insolvency by a Partner, unless within one hundred twenty (120) 
days thereafter the remaining Partner elects to continue the business of 
the Partnership; (b) the entry of a decree of judicial dissolution; (c) the 
written decision of both Partners to wind up and dissolve the Partnership; 
or (d) the expiration of the term of the Partnership.

    14.03     Winding Up.  Upon a winding up and dissolution of the 
Partnership for any reason, the Partners shall take full account of the 
Partnership assets and liabilities.  To the extent funds are required to pay 
unsecured creditors of the Partnership, the Partners shall liquidate such 
assets as are necessary as promptly as is consistent with obtaining the 
fair market value thereof.  In addition, the Partners shall determine 
whether all the Partnership Property should be sold, or whether a portion 
of the Partnership Property should be distributed in kind to the Partners. 
Thereafter, the Partners shall apply the proceeds from any liquidation sale 
and distribute the remaining Partnership Property (if any):  (a) first, to 
the payment of creditors of the Partnership, but excluding secured 
creditors whose obligations will be assumed or otherwise transferred on the 
liquidation of Partnership assets; (b) second, to the repayment of any 
outstanding loans made by Partners to the Partnership; and (c) third, to 
the Partners as provided in Paragraph 7.03 of this Agreement.

15.  Miscellaneous.

     15.01     Counterparts.  This Partnership Agreement may be executed in 
several counterparts.  All executed counterparts shall constitute one 
Partnership Agreement.

     15.02     No Waiver.  Any failure by either Partner to enforce any 
right which it may have hereunder in any instance shall not be deemed to 
waive any right which it or the other Partner may have in any other 
instance with respect to any provision of this Agreement, including any 
provision which such Partner has failed to enforce.

     15.03     Severability; Ambiguities.  In the event that any provision 
of this Agreement is judicially determined to be unenforceable, in part or 
whole, the remaining provisions or portions thereof of this Agreement shall 
be valid and binding to the fullest extent possible, and the Partners shall 
endeavor to negotiate additional terms, as feasible, in a timely manner so 
as to fully effectuate the original intent of the Partners, to the extent 
possible.  Ambiguities, if any, in this Agreement shall not be construed 
against any Partner, irrespective of which Partner may be deemed to have 
authored the ambiguous provision.

     15.04     Government Acts.  In the event that any act, regulation, 
directive, or law of a government within any country *                     
, including its departments, agencies or courts, should make impossible or 
prohibit, restrain, modify or limit any material act or obligation of 
either Partner under this Agreement, the Partner, if any, not so affected 
shall have the right, at its option, to suspend or terminate this Agreement 
as to such country *                                 or to make such 
modifications therein as may be necessary.

     15.05     Notification of Authorities.  After execution of this 
Agreement, to the extent required by law, Agouron, after consultation with 
JT, shall notify the appropriate United States and foreign authorities 
about the terms of this Agreement and JT, after consultation with Agouron, 
shall notify the appropriate Japanese authorities about the terms of this 
Agreement.  The Partners shall keep each other fully advised of the status 
and progress of the notification procedures.

     15.06     Captions; Number; Official Language.  The captions of the 
Articles and Paragraphs of this Agreement are for general information and 
reference only and this Agreement shall not be construed by reference to 
such captions.  Where applicable in this Agreement, the singular includes 
the plural and vice versa.  English shall be the official language of this 
Agreement and any license agreement provided for hereunder and all 
communications between the Partners hereto shall be conducted in that 
language.

     15.07     Force Majeure.  Neither Partner shall be responsible to the 
other Partner for any failure or delay in performing any of its obligations 
under this Agreement if such failure or delay is caused by any act of God, 
earthquake, fire, casualty, flood, war, any act, exercise, assertion or 
requirement of governmental authority, epidemic, riot, insurrection, or 
other cause beyond the reasonable control of the Partner affected, if the 
Partner affected shall have used its best efforts to avoid such occurrence. 
If either Partner believes that the performance of any of its obligations 
under this Agreement will be delayed as a result of any of the reasons 
stated in this Paragraph 15.07, such Partner shall promptly notify the 
other Partner of such delay and the cause therefor and shall provide such 
other Partner with its estimate of when the performance of its obligations 
will recommence.

     15.08     Amendment.  This Agreement, including the exhibits, 
constitutes the full agreement of the Partners with respect to the subject 
matter of this Agreement, and incorporates any prior discussions between 
them with respect to such subject matter.  This Agreement, including the 
attachments hereto, shall not be amended, supplemented or otherwise 
modified except by an instrument in writing signed by a duly authorized 
officer of both Partners.

     15.09     Applicable Law.  This Agreement shall be construed, and the 
rights of the Partners shall be determined, in accordance with the laws of 
the State of California, and the United States without regard to its 
conflict of law provisions.

     15.10     Notices.  Any notice required or permitted to be given under 
this Agreement shall be in writing and shall be given in person, delivered 
by recognized overnight delivery service, sent by mail (certified or 
registered or air mail for addresses outside of the continental U.S.) or by 
telefax (or other similar means of electronic communication), whose receipt 
is confirmed by confirming telefax, and addressed, in the case of Agouron, 
to the President and, in the case of JT, to the President at the addresses 
shown at the beginning of this Agreement, or such other person and/or 
address as may have been furnished in writing to the notifying Partner in 
accordance with the provisions of this Paragraph 15.10.  Except as 
otherwise provided herein, any notice shall be deemed delivered upon the 
earlier of (i) actual receipt, (ii) two (2) business days after delivery to 
such overnight express service, (iii) five (5) business days after 
deposited in the mail, or (iv) the date of receipt of the confirming 
telefax.

     15.11     Succession.  This Agreement shall be binding upon all 
successors in interest, assigns, trustees and other legal representatives 
of the Partners.

     IN WITNESS WHEREOF, the undersigned have executed this Agreement of 
Partnership to be effective as of the Effective Date.


AGOURON PHARMACEUTICALS, INC.



By:        ---------------------------------- 
     Name: ---------------------------------- 
     Its:  ---------------------------------- 


JAPAN TOBACCO INC.



By:        ---------------------------------- 
     Name: ---------------------------------- 
     Its:  ---------------------------------- 


<PAGE>

                                    Exhibit A

                                   DEFINITIONS

     "Affiliate" shall have the meaning defined in the Development Agreement, 
which definition is incorporated herein by reference.

     "Agouron Patent Rights" shall have the meaning defined in the 
Development Agreement, which definition is incorporated herein by reference.

     "Agreement" or "Partnership Agreement" shall mean this Agreement of 
Partnership, together with all amendments, attached exhibits, or other 
documents which may be incorporated herein by reference.

     "Compound and/or Products" shall have the meaning defined in the 
Development Agreement, which definition is incorporated herein by reference.

     "Development Agreement" shall mean that certain Development and License 
Agreement Between Japan Tobacco Inc. and Agouron Pharmaceuticals, Inc. dated 
December 1, 1994.

     "Development Program" shall have the meaning defined in the Development 
Agreement, which definition is incorporated herein by reference.

     "Development Program Patent Rights" shall have the meaning defined in 
the Development Agreement, which definition is incorporated herein by 
reference.

     "Distributions" shall refer to any cash or other property distributed to 
Partners arising from their interests in the Partnership, but shall not 
include any payments to a Partner or its Affiliates as compensation for 
services.

     "Event of Insolvency" shall mean when a Partner: (a) petitions for, 
obtains or becomes subject to an order for relief under the federal 
bankruptcy laws; or other similar order, judgment or decree of insolvency 
under applicable law; (b) makes an assignment for the benefit of creditors; 
or (c) seeks, consents to or suffers the appointment of a receiver or trustee 
to any substantial part of its assets that is not vacated within one hundred 
fifty (150) days; an attachment or execution on any substantial part of its 
assets that is not released within one hundred fifty (150) days; or a 
charging order against its interest in the Partnership that is not released 
or satisfied within one hundred fifty (150) days.

     *


     


     



     


     "Partners" shall refer to Japan Tobacco Inc. and Agouron 
Pharmaceuticals, Inc.  Reference to a "Partner" shall refer to either or both 
of them as the context shall require.

     "Partnership" shall refer to the partnership created under this 
Partnership Agreement.

     "Property" or "Partnership Property" shall refer to the assets of the 
Partnership, as the same may be acquired, owned, modified, operated, financed 
or refinanced, or otherwise dealt with or disposed of by the Partnership. 
"Property" or "Partnership Property" shall also refer to any other real or 
personal property of whatever nature acquired by or contributed to the 
Partnership during the term of the Partnership.

     "Registration" means the official approval by the government or health 
authority in each country *                                which is required 
for a Product to be offered for sale in the country concerned, including such 
authorizations as may be required for the production, importation, pricing 
and sale of such Product.

     *

<PAGE>



                                     Exhibit B

                        DESCRIPTION OF PROPERTY AND ASSETS
                             CONTRIBUTED BY AGOURON











                                        *

<PAGE>


                                     Exhibit C

                      DESCRIPTION OF PROPERTY AND ASSETS
                              CONTRIBUTED BY JT











                                        *

<PAGE>





                                 ATTACHMENT 2
                              TRADEMARK LICENSE




                                        *


<PAGE>




                                 ATTACHMENT 4
                        ACCOUNTING TERMS/DEFINITIONS




                                        *


<PAGE>




                                 ATTACHMENT 5

                 DEVELOPMENT COSTS AND REIMBURSEMENT PROCEDURES




                                ATTACHED HERETO


<PAGE>

                                ATTACHMENT 5

               DEVELOPMENT COSTS AND REIMBURSEMENT PROCEDURES
                                       *


The purpose of this document is to define development costs and to 
describe/define a methodology to reimburse such costs.

                               Development Costs

Development Costs ("DC") shall consist of *

<PAGE>



                            Budgeting and Reporting

*
























                                  Reimbursement

*




















<PAGE>


                                                                  SCHEDULE 1

*

<PAGE>


                                                                  SCHEDULE 2

*

<PAGE>


                                                                  SCHEDULE 3

*


<PAGE>



                                    ATTACHMENT 6
                 PREMARKETING EXPENSES AND REIMBURSEMENT PROCEDURES



                                        *

<PAGE>



                                    ATTACHMENT 7
                     RESEARCH PROGRAM FOUR TERMS AND CONDITIONS



                                        *

<PAGE>







<PAGE>
                                                                   Exhibit 99

                          Agouron Pharmaceuticals, Inc.
                         Important Factors Regarding
                          Forward-Looking Statements


The following factors, among others, could cause actual results to differ 
materially from those contained in forward-looking statements made in this 
report and presented elsewhere by management from time to time.  Reference is 
also made to the "Risk Factors" described in the Company's Prospectus dated 
September 15, 1995.

Uncertainty of Product Development:  The Company has not yet completed the 
development of any products and does not expect to have any products 
commercially available until calendar 1997, if at all.  There can be no 
assurance that further research and development will be successful or will 
result in drugs that will qualify for approval by regulatory authorities for 
commercial sale.

Uncertainty Associated with Clinical Testing:  Historical results of clinical 
testing of VIRACEPT (TM) and THYMITAQ (TM) are not necessarily predictive of 
future results. There can be no assurance that clinical studies of products 
under development will demonstrate the safety and efficacy of such products. 
The failure to adequately demonstrate the safety and efficacy of a 
therapeuticproduct could delay or prevent regulatory approval of the product.

There can be no assurance that unacceptable toxicities or side effects will 
not occur at any time in the course of human clinical trials or commercial 
use of the Company's drugs.  The appearance of any such unacceptable 
toxicities or side effects could interrupt, limit, delay or abort the 
development of any of the Company's drugs or, if previously approved, 
necessitate their withdrawal from the market.  Futhermore, there can be no 
assurance that disease resistance will not limit the efficacy of VIRACEPT. 
Delays in planned patient enrollment in the Company's current clinical 
trials or future clinical trials may result in increased costs, program 
delays or both.

History of Operating Losses:  The Company has not generated revenues from the 
commercialization of any products and expects to incur substantial net 
operating losses for the next few years.  There can be no assurance that the 
Company will ever achieve product revenues or profitable operations.  

Additional Financing Requirements and Access to Capital:  Additional funding 
may be required before the commercialization of any products.  No assurance 
can be given that additional financing will be available when needed or on 
terms acceptable to the Company.  If adequate funds are not available, the 
Company may be required to delay or eliminate expenditures for certain of its 
programs or to license third parties to commercialize products or 
technologies that the Company would otherwise seek to develop and 
commercialize itself.

Dependence on Others:  The Company's strategy for development and 
commercialization of certain of its products entails entering into various 
arrangements with corporate partners, licensees and others.  There can be no 
assurance that any revenues or profits will be derived from such 
arrangements, that any of the Company's current strategic arrangements will 
be continued, or that the Company will be able to enter into future 
collaborations.

Lack of Manufacturing Capabilities:  The Company has not yet manufactured its 
product candidates in commercial quantities under current Good Manufacturing 
Practices.  No assurance can be given that the Company, on a timely basis, 
will be able to make the  transition to commercial production successfully or 
be able to arrange for contract manufacturing.

Lack of Sales and Marketing Capabilities:  The Company has no experience in 
the sales, marketing and distribution of pharmaceutical products.  There can 
be no assurance that the Company will be able to establish sales, marketing 
and distribution capabilities or make arrangements with its collaborators, 
licensees or others to perform such activities or that such efforts will be 
successful.

Patents and Proprietary Technology:  No assurance can be given that the 
Company's patent applications will issue as patents or that any patents that 
may be issued will provide the Company with adequate protection for the 
covered products or technology.  Additionally, there can be no assurance that 
the Company's confidentiality agreements will adequately protect its trade 
secrets, know-how or other proprietary information.  Further, there can be no 
assurance that the Company's activities will not infringe on the patents or 
proprietary rights of others or that the Company will be able to obtain 
licenses to any technology that it may require to conduct its business or 
that, if obtainable, such technology can be licensed at a reasonable cost.

Technological Change and Competition:  There can be no assurance that 
competitors will not succeed in developing technologies and products that are 
more effective than any which have been or are being developed by the Company 
or which would render the Company's technology and products obsolete and 
noncompetitive.  Many of the Company's competitors have substantially greater 
financial and technical resources and production, marketing and development 
capabilities and experience than the Company.  Accordingly, certain of the 
Company's competitors may succeed in obtaining regulatory approval for 
products more rapidly or effectively than the Company.  If the Company 
commences commercial sales of its products, it will also be competing with 
respect to manufacturing efficiency and sales and marketing capabilities, 
areas in which it currently has no experience.

Volatility of Stock Price:  The market price of the Common Stock has in 
recent years fluctuated significantly, and it is likely that the price of 
Common Stock will fluctuate in the future.  Announcements by the Company or 
others regarding its existing and future collaborations, results of clinical 
trails, scientific discoveries, technological innovations, commercial 
products, patents or proprietary rights or regulatory actions may have a 
significant adverse effect on the market price of the Common Stock. 
Fluctuations in financial performance from period to period also may have a 
significant impact on the market price of the Common Stock.








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