ONYX PHARMACEUTICALS INC
10QSB, 1996-08-14
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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<PAGE>


                       U. S. SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON, D.C.  20549

                            ------------------------------

                                     FORM 10-QSB



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

For the quarterly period ended June 30, 1996

                                          OR

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

For the transition period from                  to
                              -----------------  --------------
                              -----------------  --------------



Commission File Number: 0-28298
                        -------



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

Delaware                                         94-3154463
- - --------                                         ----------
(State or other jurisdiction of             (IRS Employer ID Number)
incorporation or organization)

                                 3031 Research Drive
                             Richmond, California  94806
                       (Address of principal executive offices)

                                    (510) 222-9700
                 (Registrant's telephone number including area code)

Indicate by check mark whether the registrant (1) has filed all reports required
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

The number of outstanding shares of the registrant's Common Stock, $0.001 par
value, was 9,455,448  as of July 31, 1996.
           ---------

<PAGE>

                              ONYX PHARMACEUTICALS, INC


                                        INDEX




PART I:   FINANCIAL INFORMATION

                                                                     PAGE

ITEM 1.   Financial Statements

              Condensed balance sheets - June 30, 1996 and
              December 31, 1995                                           3

              Condensed statements of operations - three and six months
              ended June 30, 1996 and 1995                                4

              Condensed statements of cash flows - six months ended
              June 30, 1996 and 1995                                      5

              Notes to condensed financial statements                     6

ITEM 2.       Management's discussion and analysis of financial
              condition and results of operations                         8


PART II:  OTHER INFORMATION

ITEM 4.       Submission of matters to a vote of securities holders      11

ITEM 6.       Exhibits and reports on Form 8-K                           13

SIGNATURES                                                               14


                                          2

<PAGE>

                              ONYX PHARMACEUTICALS, INC


PART I:  FINANCIAL INFORMATION

ITEM 1.
                               CONDENSED BALANCE SHEETS
                          (IN THOUSANDS, EXCEPT SHARE DATA)

 
<TABLE>
<CAPTION>

                                                            June 30,         December 31,
                                                              1996               1995
                                                           -----------       ------------
ASSETS                                                     (unaudited)       (see Note 1)

<S>                                                        <C>               <C>
Current Assets:
    Cash and cash equivalents                              $   30,925          $    3,779
    Short-term investments                                     11,407               8,704
    Other current assets                                          327                 400
                                                           -----------         -----------
            Total current assets                               42,659              12,883
Property and equipment, net                                     4,274               4,221
Notes receivable from officers and employees                      394                 419
Other assets                                                      310                 233
                                                           -----------         -----------
    TOTAL ASSETS                                           $   47,637          $   17,756
                                                           -----------         -----------
                                                           -----------         -----------

LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
    Accounts payable                                       $      550          $      487
    Accrued liabilities                                         1,254                 826
    Accrued compensation                                          432                 342
    Deferred revenue                                              102               1,373
    Long-term debt, current portion                               390                 408
                                                           -----------         -----------
            Total current liabilities                           2,728               3,436
Long-term debt, noncurrent portion                                342                 544
Accrued rent                                                      234                 231

Stockholders equity:
    Preferred stock, $0.001 par value; 5,000,000 shares             -                   -
    authorized, none issued and outstanding
    Common stock, $0.001 par value: 25,000,000 shares               1                   1
    authorized, 9,455,448 and 6,197,895 shares issued and
    outstanding as of June 30, 1996 and December 31,1995,
    respectively
    Additional paid-in capital                                 70,929              34,825
    Deferred compensation                                        (767)               (111)
    Accumulated deficit                                       (25,830)            (21,170)
                                                           -----------         -----------
      TOTAL STOCKHOLDERS' EQUITY                               44,333              13,545
                                                           -----------         -----------
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY                 $   47,637          $   17,756
                                                           -----------         -----------
                                                           -----------         -----------

</TABLE>

 
                                See Accompanying Notes.


                                          3

<PAGE>


                              ONYX PHARMACEUTICALS, INC


                          CONDENSED STATEMENTS OF OPERATIONS
                      (IN THOUSANDS, EXCEPT  PER SHARE AMOUNTS)
                                     (UNAUDITED)

 
<TABLE>
<CAPTION>

                                                Three Months Ended                  Six Months Ended
                                                     June 30,                            June 30,
                                             -------------------------          -------------------------
                                                1996          1995                1996           1995
                                             ----------     ----------          ----------     ----------
<S>                                          <C>            <C>                 <C>            <C>
Revenue:
    Contract revenue from related parties     $  1,888       $  1,692            $  3,850       $  3,049
    Other revenue                                   12              -                  24              -
                                             ----------     ----------          ----------     ----------

       Total revenue                             1,900          1,692               3,874          3,049

Operating expenses:
    Research and development                     3,541          3,239               7,083          6,366
    General and administrative                   1,058            804               1,913          1,556
                                             ----------     ----------          ----------     ----------

       Total operating expenses                  4,599          4,043               8,996          7,922
                                             ----------     ----------          ----------     ----------
Loss from operations                            (2,699)        (2,351)             (5,122)        (4,873)

Interest income, net                               332            200                 462            391
                                             ----------     ----------          ----------     ----------

       Net loss                               $ (2,367)      $ (2,151)           $ (4,660)      $ (4,482)
                                             ----------     ----------          ----------     ----------
                                             ----------     ----------          ----------     ----------

Net loss per share                            $  (0.41)      $  (1.56)           $  (1.29)      $  (3.29)
                                             ----------     ----------          ----------     ----------
                                             ----------     ----------          ----------     ----------

Shares used in computing net loss per share      5,814          1,378               3,608          1,361
                                             ----------     ----------          ----------     ----------
                                             ----------     ----------          ----------     ----------

</TABLE>

 
                                See Accompanying Notes.


                                          4

<PAGE>

                              ONYX PHARMACEUTICALS, INC


                          CONDENSED STATEMENTS OF CASH FLOW
                                    (IN THOUSANDS)
                                     (UNAUDITED)

 
<TABLE>
<CAPTION>

                                                                  Six months ended
                                                                      June 30,
                                                           -------------------------------
                                                              1996                1995
                                                           -----------         -----------
<S>                                                        <C>                 <C>
CASH FLOWS USED IN OPERATING ACTIVITIES:
Net loss                                                    $  (4,660)          $  (4,482)
Adjustments to reconcile net loss to net cash used
  in operating activities:
   Depreciation and amortization                                  731                 652
   Forgiveness of note receivable                                  25                  37
   Amortization of deferred compensation                          137                  10
   Changes in certain assets and liabilities:
     Other current assets                                          73                 (66)
     Other assets                                                 (77)                 (4)
     Accounts payable                                              63                 (52)
     Accrued liabilities                                          457                 138
     Accrued compensation                                          90                  74
     Accrued rent                                                 (26)                 60
     Deferred revenue                                          (1,271)                 54
                                                           -----------         -----------
Net cash used in operating activities                          (4,458)             (3,579)
                                                           -----------         -----------

CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments                           (11,407)             (8,279)
Maturities of short-term investments                            8,704               8,347
Capital expenditures                                             (784)               (526)
Notes receivable from officers and employees                        -                 (16)
                                                           -----------         -----------
Net cash used in investing activities                          (3,487)               (474)
                                                           -----------         -----------

CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt                                       (220)               (423)
Net proceeds from issuance of preferred and common stock       35,311               3,626
                                                           -----------         -----------
Net cash provided by financing activities                      35,091               3,203
                                                           -----------         -----------
Net increase (decrease) in cash and cash equivalents           27,146                (850)
Cash and cash equivalents at beginning of the period            3,779               9,309
                                                           -----------         -----------
Cash and cash equivalents at end of the period              $  30,925           $   8,459
                                                           -----------         -----------
                                                           -----------         -----------

SUPPLEMENTAL SCHEDULE OF CASH FLOW INFORMATION:
Interest paid during the period                             $      61           $     111
                                                           -----------         -----------
                                                           -----------         -----------

</TABLE>

 
                                See Accompanying Notes.


                                          5

<PAGE>

                              ONYX PHARMACEUTICALS, INC


                       NOTES TO CONDENSED FINANCIAL STATEMENTS
                                    JUNE 30, 1996
                                     (UNAUDITED)


NOTE 1.  BASIS OF PRESENTATION

The accompanying unaudited condensed financial statements have been prepared in
accordance with generally accepted accounting principles for interim financial
information and with the instructions to Form 10-QSB and Item 310 (b) of
Regulation S-B.  Accordingly, they do not include all of the information and
footnotes required by generally accepted accounting principles for complete
financial statements.  In the opinion of management, all adjustments (consisting
of normal recurring accruals) considered necessary for a fair presentation have
been included.

Operating results for the three- and six-month periods ended June 30, 1996 are
not necessarily indicative of the results that may be expected for the year
ending December 31, 1996.  For further information, refer to the financial
statements and footnotes thereto for the year ended December 31, 1995 and three
months ended March 31, 1996, included in the Company's Registration Statement on
Form SB-2, File No. 333-3176-LA.

NOTE 2 .  NET LOSS PER SHARE

Historical net loss per share is computed using the weighted average number of
common shares outstanding.  Common equivalent shares are excluded from the
computation as their effect is antidilutive, except that, pursuant to the
Securities and Exchange Commission ("SEC") Staff Accounting Bulletins, common
and common equivalent shares issued during the 12-month period prior to the
initial filing of the Company's initial public offering at prices below the
public offering price of $12.00 have been included in the calculation as if they
were outstanding for all periods presented through March 31, 1996 (using the
treasury stock method for stock options at the estimated public offering price).

Pro forma net loss per share has been computed as described below and also gives
effect to the conversion of convertible perferred shares not included above that
automatically converted upon completion of the Company's initial offering (using
the if converted method) from original date of issuance. Pro forma net loss per 
share information is as follows (in thousands, except per share amounts):

                                       Three months          Six months
                                       ended June 30        ended June 30
                                    ------------------------------------------
                                       1996       1995       1996       1995
                                    ---------  ---------  ---------  ---------

Pro forma net loss per share          $(0.29)    $(0.33)    $(0.63)    $(0.70)
                                    ---------  ---------  ---------  ---------
                                    ---------  ---------  ---------  ---------
Shares used in computing pro forma
 net loss per share                    8,074      6,527      7,358      6,429
                                    ---------  ---------  ---------  ---------
                                    ---------  ---------  ---------  ---------


NOTE 3.  INITIAL PUBLIC OFFERING

On May 14, 1996 the Company completed an initial public offering of 2,500,000
shares of its common stock to the public at a price of $12.00 per share.  In
addition, the Company granted the underwriters an option to purchase up to
375,000 additional shares of common stock, which the underwriters exercised in
full.  The proceeds to the Company from the sale of 2,875,000 shares, net of the
underwriters' discount and offering expenses payable by Onyx, totaled
$31,185,000.


                                          6

<PAGE>

                              ONYX PHARMACEUTICALS, INC


                       NOTES TO CONDENSED FINANCIAL STATEMENTS
                                    JUNE 30, 1996
                                     (UNAUDITED)


NOTE 4.  COLLABORATIVE AGREEMENTS

In accordance with the terms of the agreement dated May 4, 1995 between ONYX
Pharmaceuticals Inc. and Warner-Lambert Company, Warner-Lambert Company
purchased 1,818,182 shares of preferred stock at an aggregate purchase price of
$4.0 million on May 4, 1996. The preferred shares converted into 254,683 shares
of common stock upon closing of the initial public offering.

In June 1996, the Company extended and expanded its BRCA1 research agreement 
with Eli Lilly for three years pursuant to which both parties will provide 
research funding and ONYX will receive milestone payments.


NOTE  5. MARKETABLE SECURITIES - AVAILABLE-FOR-SALE

The following is a summary of available-for-sale securities as of June 30, 1996:

                                            Available-
                                             for-sale
                                            Securities
                                          --------------
                                            Estimated
                                            Fair Value
                                          --------------
                                          (in thousands)
Cash equivalents:
   U.S. corporate securities               $     8,981
   Foreign corporate securities                  5,022
   Money market funds                            1,972
                                          --------------
                                                15,975
Short-term investments:
   U.S. corporate securities                      968
   Foreign corporate securities                 4,906
                                          --------------
                                                5,874
                                          --------------
Total available-for-sale securities        $   21,849
                                          --------------
                                          --------------


As of June 30, 1996, the difference between the fair value and the amortized
cost of available-for-sale securities was insignificant.  The average portfolio
duration is approximately three months, and the contractual maturity of each of
the investments does not exceed one year.  Held at June 30, 1996 and excluded
from short -term investments above is $14,632,000 and $4,970,000 of certificates
of deposits and Bankers' Acceptances, respectively.


                                          7

<PAGE>

                              ONYX PHARMACEUTICALS, INC

ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
         CONDITION AND RESULTS OF OPERATIONS

OVERVIEW

ONYX Pharmaceuticals, Inc. (the "Company" or "ONYX") was incorporated on 
February 14, 1992 and commenced operations on April 24, 1992. The Company is 
engaged in the discovery and development of novel therapeutics including both 
small molecule drugs and therapeutic viruses which are based upon the 
genetics of human disease. The Company has initially chosen to focus its 
research in the area of cancer. Currently, the Company has five therapeutic 
discovery programs focused on the following cancer mutations: p53, Ras, cell 
cycle checkpoints, BRCA1 and APC. The Company's lead product, ONYX-015, is an 
adenovirus which has been modified to replicate in and kill cancer cells with 
p53 mutations. These mutations occur in over 50% of human cancer cases. The 
Company's Investigational New Drug application ("IND") for ONYX-015 has been 
cleared by the FDA and a Clinical Trials Exemption ("CTX") has been cleared 
in the United Kingdom. In April 1996, the Company initiated human Phase I 
clinical trials for ONYX-015 in both countries in patients with p53-deficient 
tumors of the head and neck.

The Company intends to pursue its therapeutic discovery programs 
independently and in collaboration with pharmaceutical companies, and to 
collaborate with such companies on the development and commercialization of 
any products which may result from the Company's discovery programs.  The 
Company has entered into collaborative agreements with Bayer Corporation 
("Bayer") in the area of Ras oncogenes, Warner-Lambert Company 
("Warner-Lambert") in the cell cycle area and Eli Lilly and Company ("Eli 
Lilly") on the function of the BRCA1 gene in breast cancer. In June 1996, the 
Company extended and expanded its BRCA1 research agreement with Eli Lilly 
for a further three years pursuant to which both parties will provide 
research funding and ONYX will receive milestone payments.

The Company completed an initial public offering in May 1996 resulting in net
proceeds of approximately $31.2 million.  On May 4, 1996, prior to the closing
of the offering, Warner-Lambert purchased 1,818,182 shares of  preferred stock
at an aggregate purchase price of $4.0 million which converted into 254,683
shares of common stock upon the closing of the IPO.

The Company has not been profitable since inception and expects to incur
substantial and increasing losses for the foreseeable future, primarily due to
the expansion of its research and development programs, including preclinical
studies and clinical trials.  The Company expects that losses will fluctuate
from quarter to quarter and that such fluctuations may be substantial.  As of
June 30, 1996, the Company's accumulated deficit was approximately  $25.8
million.

Except for the historical information contained herein, the following discussion
contains forward-looking statements that involve risks and uncertainties.  The
Company's actual results could differ materially from those discussed here.
Factors that could cause or contribute to such differences include, but are not
limited to, those discussed herein and those discussed in the Company's 
Registration Statement on Form SB-2 (File No. 333-3176-LA).

RESULTS OF OPERATIONS

THREE- AND SIX-MONTH MONTH PERIODS ENDED JUNE 30, 1996

REVENUES

The Company's contract revenue increased 12% to $1,888,000 and 26% to $3,850,000
for the three- and six-month  periods ended  June 30,  1996, respectively, as
compared to the same periods in 1995.  Contract revenues for the 1995 periods
were  $1,692,000 and $3,049,000, respectively.  Revenues for the three- and six-
month periods ended June 30, 1996 and 1995 were attributable to amounts earned
for research performed under the Company's collaborations with Bayer, Warner-
Lambert and Eli Lilly. The Company's collaborations with Warner-Lambert and Eli
Lilly commenced in May 1995.  Thus, the 1996 periods include revenue from each
of these collaborations while the 1995 periods reflect minimal revenue from
these research collaborators.


                                          8

<PAGE>

                              ONYX PHARMACEUTICALS, INC


RESEARCH AND DEVELOPMENT EXPENSES

Research and development expenses increased 9% to $ 3,541,000 and 11% to 
$7,083,000 for the three- and six-month periods ended June 30, 1996 
respectively, as compared to the same periods in 1995.  The increase was 
primarily due to additional preclinical and clinical costs associated with 
commmencement of Phase I clinical trials in the United States and the United 
Kingdom in April 1996 of ONYX-015, the lead product in the Company's p53 
program.

GENERAL AND ADMINISTRATIVE EXPENSES

General and administrative expenses increased 32% to $1,058,000 and 22% to
$1,913,000 for the three- and six-month periods ended June 30, 1996,
respectively, as compared to the same periods in 1995.  This increase was
primarily due to indirect charges related to the Company's IPO and increased
compensation expenses.

NET INTEREST INCOME

The Company had net interest income of $ 332,000 and $462,000 for the three- and
six- month periods ended June 30, 1996, respectively compared with $200,000 and
$391,000 for the same periods in 1995.  The increase in interest income reflects
the Company's higher average cash and investment balances resulting from the
proceeds from the IPO.  Interest expense has declined as the Company has reduced
its obligations under debt financing agreements.


LIQUIDITY AND CAPITAL RESOURCES

The Company has financed its operations since inception primarily through
private placements of preferred stock with aggregate net proceeds of $38.8
million, $20.6 million from collaborative agreements, $1.7 million from United
States government grants and $2.9 million from debt financing agreements. In
order to fund future operations, in May 1996 the Company raised a further $31.2
million in net proceeds from its IPO.

The Company's cash and investments, were $42.3 million at June 30, 1996,
compared with $12.5 million at December 31, 1995.  The $29.8 million increase in
cash, cash equivalents and short term investments was primarily the result of
net proceeds from the IPO of $31.2 million and $4.0 million from the sale of
preferred stock to Warner-Lambert.  Cash used in operations totaled $4.5 million
in the six- month period ended June 30, 1996.  This cash was used primarily to
fund increasing levels of clinical research and product development associated
with ONYX-015, the lead product in the p53 Program, and the general and
administrative expenses necessary to support the research and development
operations.  The Company expects cash used in operations may continue to
increase as additional clinical trials for ONYX-015 commence and new programs 
are initiated.

Total additions for equipment and leasehold improvements for the three- and six-
month periods ended June 30, 1996, were $332,000 and $784,000 respectively.
The Company expects to make expenditures for capital additions of
approximately $800,000 during the second half of 1996.  As of June 30, 1996, the
Company had $2.7 million available through a line of credit collateralized by
laboratory equipment and leasehold improvements.

The Company anticipates that its existing capital resources and interest
thereon, and anticipated revenues from its existing collaborations, (without
giving effect to any future equity investment by Warner-Lambert) will be
sufficient to fund its current and planned operations through 1998.  There can
be no assurance, however, that changes in the Company's research and development
plans or other changes affecting the Company's operating expenses will not
result in the expenditure of such resources before such time, and in any event,
the Company will need to raise substantial additional capital to fund its
operations in future periods.


                                          9

<PAGE>

                              ONYX PHARMACEUTICALS, INC


BUSINESS RISKS

The Company is at an early stage of development.  The development of the
Company's technology and proposed products will require a commitment of
substantial funds to conduct these costly and time-consuming ativities.
All of the Company's potential products are in research or development and will
require significant additional research and development efforts prior to any
commercial use, including extensive preclinical and clinical testing as well as
lengthy regulatory approval.  The development of new products is subject to a
number of significant risks.  Potential products that appear to be promising at
an early stage of development may not reach the market for a number of reasons.
Such risks include the possibilities that the potential products will be found
ineffective or unduly toxic during clinical trials, fail to receive necessary
regulatory approvals, be difficult to manufacture on a large scale, be
uneconomical to market or be precluded from commercialization by proprietary
rights of third parties.

In addition, many of the Company's potential products are subject to development
and licensing arrangements with the Company's collaborators.  Therefore, the
Company is dependent on the research and development efforts of these
collaborators.  Moreover, the Company is entitled to only  a portion of the
revenues, if any, realized from the commercial sale of any of the potential
products covered by the collaborations.  Should the Company or its collaborators
fail to perform in accordance with the terms of any of their agreements, any
consequent loss of revenue under the agreements could have a material adverse
effect on the Company's results of operations.

The proposed products under development by the Company have never been
manufactured on a commercial scale, and there can be no assurance that such
products can be manufactured at a cost or in quantities necessary to make them
commercially viable.  The Company has no sales, marketing or distribution
capability.  If any of its products subject to collaborative agreements are
successfully developed, the Company must rely on its collaborators to market
such products.  If the Company develops any products which are not subject to
collaborative agreements, it must either rely on other large pharmaceutical
companies to market such products or must develop a marketing and sales force
with technical expertise and supporting distribution capability in order to
market such products directly.

The foregoing risks reflect the Company's early stage of development and the
nature of its industry and proposed products.  Also inherent in the Company's 
stage of development is a range of additional risks, including competition, 
uncertainties regarding protection of patents and proprietary rights, 
government regulation and uncertainties regarding health care reform.


                                          10

<PAGE>

                              ONYX PHARMACEUTICALS, INC


PART II:  OTHER INFORMATION

Item 4.  Submission of Matters to a Vote of Security Holders(1)

            (a)    The Annual Meeting of Shareholders of ONYX Pharmaceuticals,
                   Inc., a California corporation ("ONYX California") was held
                   on April 30, 1996.

            (b)    Each of management's nominees to the Board of Directors was
                   elected by a vote of 6,048,616 common and preferred shares
                   for and 0 withheld to serve until the next annual meeting.
                   The nominees were:  Brook H. Byers, Samuel D. Colella,
                   Wolfgang Hartwig, Ph.D., Kevin J. Kinsella, Kathleen 
                   LaPorte, Frank McCormick, Ph.D., F.R.S., Walter H. Moos, 
                   Ph.D. and Hollings C. Renton.

            (c)    (i)  The other matter presented to the shareholders at the
                        Annual Meeting was the ratification of selection of
                        Ernst & Young LLP as ONYX California's independent
                        auditors for the fiscal year ending December 31, 1996:
                        6,048,616 for, 0 against and 0 abstain.

                  (ii)  ONYX California also solicited the written consent of
                        the shareholders on the following matters:

                        A.   Approval of Certificate of Amendment to the
                             Amended and Restated Articles of Incorporation:

                             869,950 common shares for, 0 against and 193,320
                             non-votes

                             5,196,640 preferred shares for, 0 against and
                             43,430 non-votes


                        B.   Waiver and Amendment of the Investors' Rights
                             Agreement, as amended:

                             5,520,220 common and preferred shares for, 0
                             against and 43,430 non-votes

- - -----------------
(1) Share numbers are on an as-if-converted to common stock basis and reflect 
a 1-for-7.139 reverse split of the common stock.


                                          11

<PAGE>

                        C.   Approval of the reincorporation of ONYX California
                             in Delaware and related changes to the rights of
                             shareholders and approval of the Amendment and
                             Restatement of the Certificate of Incorporation:

                             909,294 common shares for, 0 against and 156,329
                             non-votes

                             5,079,114 preferred shares for, 0 against and
                             160,944 non-votes

                        D.   Approval of the 1996 Equity Incentive Plan,
                             adoption of the 1996 Employee Stock Purchase Plan,
                             adoption of the 1996 Non-Employee Directors' Stock
                             Option Plan, adoption of form Indemnity Agreements
                             and authorization to ONYX California to enter into
                             such agreements with each of its executive
                             officers and directors:

                             5,998,408 common and preferred shares for, 0
                             against and 317,273 non-votes


                                          12

<PAGE>


Item 6.  Exhibits and Reports on Form 8-K

              a)   Exhibits

                   10.4   Collaborative Research and License Agreement between
                          the Registrant and Eli Lilly and Company, dated June
                          12, 1996

                   10.16  Second Amendment to Lease by and between Metcalf
                          Family Living Trust and the Registrant dated May 11,
                          1996

                   11.1   Statement Regarding Computation of Net Loss Per
                          Share.

                   27.1   Financial Data Schedule


              b)   Form 8-K

                   No reports on Form 8-K were filed during the period covered
                   by this report.


                                          13

<PAGE>


                              ONYX PHARMACEUTICALS, INC


SIGNATURES

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.



                          ONYX PHARMACEUTICALS, INC



Date: August 14, 1996        By:  /s/ Hollings C. Renton
                                  ------------------------------
                                  Hollings C. Renton
                                  President and Chief Executive Officer 
                                  (Principal Executive Officer)



Date: August 14, 1996        By:  /s/ Douglas L. Blankenship
                                  ------------------------------
                                  Douglas L. Blankenship
                                  Director of Finance
                                  (Principal Financial and Accounting Officer)


                                          14


<PAGE>


CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS,
HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO RULE 24B-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS
AMENDED.


                            RESEARCH AND LICENSE AGREEMENT

    Effective as of June 12, 1996, ("Effective Date"), ELI LILLY AND COMPANY,
an Indiana Corporation having its principal place of business at Lilly Corporate
Center, Indianapolis, Indiana 46285, and its Affiliates (collectively called
"Lilly")
                                         AND

ONYX PHARMACEUTICALS, INC., a California corporation having its principal place
of business at 3031 Research Drive, Building A, Richmond, California  94806
(called "Onyx"), agree as follows:

                                      ARTICLE 1

                                      BACKGROUND

    By agreement effective May 15, 1995 (the "Initial Agreement"), Lilly is
funding a part of Onyx's research program for Onyx to use the Yeast Two-Hybrid
screen to discover and develop targets for drug discovery in the modulation of
the BRCA1 pathway.  The term of the Initial Agreement was extended by the
parties until June 12, 1996 by agreements dated May 14, 1996 and May 29, 1996.
Lilly and Onyx now desire to broaden their collaboration to discover and develop
targets for drug discovery in the modulation of the BRCA1 pathway as
contemplated by this Agreement upon the terms and conditions herein set forth.
Lilly and Onyx hereby agree that any and all research carried out or initiated
under the Initial Agreement and any results of such research, as

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          1.

<PAGE>


well as any and all rights resulting therefrom, shall be governed by the terms
and conditions of this Agreement.

                                      ARTICLE 2

                                     DEFINITIONS

    2.1  GENERAL.  When used in this Agreement, each of the following terms
shall have the meaning set forth in this Article.

    2.2  "AFFILIATE" means (a) any corporation or business entity, other than
Competitive Distributors, of which Lilly or Onyx, at the time in question,
directly or indirectly owns or controls fifty percent (50%) or more of the stock
having the right to vote for directors thereof or otherwise controls the
management of the corporation or business entity, or (b) any corporation,
individual or business entity which now or hereafter directly or indirectly owns
or controls fifty percent (50%) or more of the stock of Lilly or Onyx having the
right to vote for directors thereof.  Competitive Distributors shall mean
entities, owned or directly or indirectly controlled by Lilly through ownership
of at least fifty percent (50%) of the stock normally entitled to vote for
election of directors, that purchase Products for resale and that also purchase
pharmaceutical products from entities unrelated to Lilly.

    2.3  "BRCA1 GENE" means the [           ] set forth in [
              ] and those sequences which are equivalent to the [
              ]

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          2.

<PAGE>


    2.4  "BRCA1 GENE PRODUCT" means the [
                   ] regardless of whether the [                       


                                                                       ]
The term BRCA1 Gene Product also encompasses any [
                                  ]

    2.5  "BRCA1 MODULATOR" means any [





                                  ]

    2.6  "FIELD" means the discovery and use of BRCA1 Modulators and assays
therefore, useful for all human therapeutic purposes, including the discovery
and development of assays to discover or develop BRCA1 Modulators.

    2.7  "FTE" means a full time equivalent scientific person year or a total
of [
                        ] carried out by an Onyx employee

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          3.

<PAGE>


("Onyx FTE"), having [                           ]  Scientific work on or
directly related to the project to be performed by Onyx employees can include,
but is not limited to, experimental laboratory work, recording and writing of
results, reviewing literature and references, holding scientific discussions,
managing and leading scientific staff, and carrying out project management
duties.

    2.8  "LILLY INFORMATION" means confidential and/or proprietary technical
information, data, know-how, biological materials, chemical substances and
assays relating to the BRCA1 Gene and the BRCA1 Gene Product developed or
acquired by Lilly prior to the effective date of the Initial Agreement or during
the term of the Project which are used in connection with the Project.  Such
information which is developed or acquired by Lilly during the term of the
Project in connection with the Project that directly relates to the BRCA1 Gene,
the BRCA1 Gene Product and BRCA1 Modulators shall be Project Information and not
Lilly Information.  Onyx acknowledges that Lilly may acquire or develop
information during the term of the Project in connection with the BRCA1 Gene,
the BRCA1 Gene Product and regulators of BRCA1 and useful in connection with the
Project that Lilly may be unable to use in connection with the Project due to
present or future contractual arrangements with third parties.  Onyx agrees that
such information is specifically excluded from the definitions of Lilly
Information or Project Information under this Agreement.

    2.9  "LILLY PATENT RIGHT" means a Patent Right that is owned or controlled
by Lilly and a Patent Right as to which Lilly has the right to grant licenses or
sublicenses

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          4.

<PAGE>


within the Field without violating the terms of any agreement or other
arrangement with a third party.  Lilly Patent Rights are specifically excluded
from the definition of Lilly Information or Project Information under this
Agreement.

    2.10 "NET SALES" means with respect to the Product, the gross amount
invoiced by Lilly or Onyx to unrelated third parties in the Territory, less:

    [






























                                                           ]    Such amounts
shall be determined from the books and records of the parties maintained in
accordance with generally accepted accounting principles ("GAAP")

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          5.

<PAGE>


consistently applied in determining net sales.  The parties agree that net sales
as defined by GAAP do not include [              ]    


In the event the licensed Product is sold as part of a combination product, 
or as part of bundled products or as part of a delivery system, the Net Sales 
from the combination product, bundled product, or delivery system, for the 
purposes of determining royalty payments, shall be determined by multiplying 
the Net Sales of the combination product (as Net Sales is defined above) by [

                                            ]


[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          6.

<PAGE>


    2.11 "ONYX INFORMATION" means any confidential information and/or
proprietary chemical substances, biological materials, technical information,
data, know-how and assays in Onyx's possession prior to the effective date of
the Initial Agreement which are used in connection with the Project.  All
information that is developed or acquired by Onyx during the term of the Project
in connection with the Project that relates to the BRCA1 Gene, the BRCA1 Gene
Product and BRCA1 Modulators shall be Project Information and not Onyx
Information.

    2.12 "ONYX PATENT RIGHT" means a Patent Right that is owned or controlled
by Onyx and a Patent Right as to which Onyx has the right to grant licenses
within the Field without violating the terms of any agreement or other
arrangement with a third party.  Onyx Patent Rights are specifically excluded
from the definitions of Onyx Information or Project Information under this
Agreement.

    2.13 "PATENT RIGHT" means a patent or patent application and all divisions,
continuations, continuations-in-part, reissues, extensions, Supplementary
Protection Certificates, foreign counterparts thereof, and any similar
intellectual property that is owned or controlled by Onyx or by Lilly, at least
one claim of which covers the making, using or selling of the BRCA1 Gene, the
BRCA1 Gene Product, or a BRCA1 Modulator, or methods, assays, or substances
useful in discovering BRCA1 Modulators.

    2.14 "PHASE I CLINICAL TRIALS" means human clinical trials conducted in
patients to establish the safety profile of a Product.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          7.

<PAGE>


    2.15 "PHASE II CLINICAL TRIALS" means human clinical trials conducted in
patients to establish proof of concept in the particular indication tested and
clinical trials conducted in patients to achieve a statistically significant
indication of efficacy in the particular indication tested, as well as to obtain
some indication of the dosage regimen required.

    2.16 "PHASE III CLINICAL TRIALS" means large scale human clinical trials
conducted in patients to establish Product efficacy in the particular indication
tested and required to obtain Product registration with health regulatory
authorities.

    2.17 "PRODUCT" means any pharmaceutical composition comprising a BRCA1
Modulator for use as a human therapeutic.

    2.18 "PROJECT" means the collaborative research and development program to
be conducted by Onyx and Lilly in the Field in connection with this Agreement
and in connection with the Initial Agreement.  The Project is described more
fully in Appendix I, which is attached hereto and is made a part of this
Agreement.  The Project specifically excludes [
              ]

    2.19 "PROJECT INFORMATION" means confidential and/or proprietary technical
information, data, know-how, biological materials, chemical substances, and
assays relating to the BRCA1 Gene, the BRCA1 Gene Product or BRCA1 Modulators,
developed or acquired by Onyx or Lilly during the term of the Project in
connection with the Project, including such information and materials developed
or acquired by Onyx or

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          8.

<PAGE>


Lilly during the term of the Initial Agreement.  Project Information shall be
jointly owned by Onyx and Lilly.  Onyx acknowledges that Lilly may acquire or
develop information during the term of the Project in connection with the BRCA1
Gene, the BRCA1 Gene Product and regulators of BRCA1 and useful in connection
with the Project that Lilly may be unable to use in connection with the Project
due to present or future contractual arrangements with third parties.  Onyx
agrees that such information is specifically excluded from the definition of
Project Information under this Agreement.

    2.20 "PROJECT TEAM STATUS" means the point in the Lilly's development
program when [
                             ]

    2.21 "PROJECT YEAR" means a twelve-month period during the term of the
Project.  The first Project Year shall commence on May 29, 1996.

    2.22 "VALID CLAIM" means an unexpired, issued claim which has not been
found to be unpatentable, invalid or unenforceable by a Court or other authority
in the subject country from which decision no appeal is taken or can be taken.


[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                          9.

<PAGE>


                                      ARTICLE 3

                     STAFFING, PLANNING AND EXECUTION OF PROJECT

    3.1  COMMENCEMENT AND REASONABLE EFFORTS.  Upon the Effective Date, Lilly
and Onyx shall commence work on the Project that is generally described in
Appendix I which is incorporated into the Agreement.  Both parties will carry
out their respective roles and use reasonable efforts in conducting work on the
Project in order to achieve the research goals set forth in Appendix I.

    3.2  ONYX EFFORT ON THE PROJECT.  During each Project Year, Onyx shall
devote [ ] Onyx FTEs to the Project.  If the Steering Committee requests that
any specific individual scientist be assigned to the Project, Onyx will use
reasonable efforts to assign such person to the team for at least [       ] of
his or her time.  The names of the Onyx employees who are initially scheduled to
work on the Project are set forth in Appendix I.

    3.3  STEERING COMMITTEE FORMATION.  Onyx and Lilly shall each have two (2)
representatives serve as members of the Steering Committee.  The respective
individual representatives for each party may be changed from time to time at
the discretion of Onyx or Lilly upon receipt of written notification to the
other party by the party making the change, provided that any replacements shall
be of the same general level of authority and experience as the original members
of the Steering Committee.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         10.

<PAGE>


    3.4  STEERING COMMITTEE RESPONSIBILITIES.  Onyx and Lilly have agreed upon
an initial plan for research tasks to be completed under the Project as set
forth in Appendix I.  The Steering Committee shall:  1) review and approve all
plans for research to be done under the Project, and 2) review all results of
work done under the Project.

    The Steering Committee shall meet at least once each calendar quarter, or
from time to time as agreed to by the Steering Committee.  At these meetings,
the Committee will:  1) review the Project, and 2) modify the scope and goals of
the Project if the Committee deems it necessary provided that the research
program shall not be reduced below a minimum level of [    ] Onyx FTEs during
the research Project.  The Steering Committee must approve any modification to
the scope and goals of the Project described in Appendix I (including any extra
costs arising from work with third parties) and submit an appropriate written
amendment to the Appendix for signature by Onyx and Lilly.  Decisions with
regard to the Project shall require a [                    ] of the Steering
Committee.  If the Committee is unable to reach such a [        ] vote on an
issue involving the Project, it shall refer that issue to the President of Onyx
and the Vice President of Cancer Research of Lilly Research Laboratories (a
division of Lilly) for resolution.  If the President of Onyx and the Vice
President of Cancer Research of Lilly Research Laboratories are unable to reach
a decision, such decision shall be made by the President of Lilly Research
Laboratories.

    3.5  CONDUCT OF STUDIES.  All work done in connection with the Project
shall be carried out in compliance with any federal, state, or local laws,
regulations, or guidelines

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         11.

<PAGE>


governing the conduct of research at the site where such work is being
conducted.  In addition, any laboratory animals covered by this Agreement shall
be provided humane care and treatment in accordance with the most acceptable
current veterinary practices.

    3.6  LILLY'S COLLABORATION WORK.  Lilly will assign such personnel as it
deems appropriate in connection with the Project.  Lilly will commit at least 
[      ] Lilly full time equivalents to the Project during the term of the
Project.

    3.7  TREATMENT OF CHEMICAL AND BIOLOGICAL MATERIALS.  Each party agrees
that it will not permit any third party to observe or have access to the other
party's chemical or biological materials unless a duly authorized representative
of the other party agrees in writing.

    3.8  SAFETY CONCERNS.  Each party agrees to provide the other with handling
instructions, including all safety information known to such party relating to
chemical and biological material.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         12.

<PAGE>


                                      ARTICLE 4

                                  FUNDING OF PROJECT

    4.1  DURATION AND AMOUNT OF FUNDING.  Onyx shall provide the financial
support for the Project for the period of May 15, to June 12, 1996 under the
extension period of the Initial Agreement and [
    ] unless the Project is terminated early under Article 9.  Onyx shall
provide such financial support for FTEs at a rate of [
                             ] per Onyx FTE per Project Year on a prorated
basis.  The amount per Onyx FTE shall be the total amount that Onyx pays for
Onyx's scientific effort on the Project in 1996.  Funding will be committed
based on priorities, timetables and final budgets approved by the Steering
Committee.

    Lilly shall provide Onyx with financial support for the Project for the
period [                          ] unless the Project is terminated early
under Article 9 or extended by mutual agreement between Onyx and Lilly.  Funding
will be committed based on priorities, timetables and final budgets approved by
the Steering Committee.  Lilly shall provide Onyx with financial support for
FTEs at a rate of [                                                  ] per Onyx
FTE per Project Year.  The amount per Onyx FTE shall be the total amount that
Lilly pays to Onyx for Onyx's scientific effort on the Project, except for third
party research expenses incurred by Onyx in support of the Project that are
approved by the Steering Committee.  Onyx shall be responsible for [

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         13.

<PAGE>


           ]  Lilly shall only be responsible for other expenses to the extent
specified in a written budget approved in writing by Lilly.

    4.2  MANNER OF PAYMENTS.  Lilly shall pay Onyx all funding provided by
Lilly during this Project in U.S. Dollars in four (4) equal quarterly payments.
Payment shall be made quarterly in advance by wire transfer in immediately
available funds to the account designated in writing by Onyx.  Unless Onyx and
Lilly otherwise agree in writing, the amount of such installment payment shall
be the amount budgeted for the upcoming quarter.

    4.3  ACCOUNTING.  Onyx shall maintain complete records of all monies Lilly
pays Onyx for research under the Project and shall, within sixty (60) days after
the end of each calendar year during the Project and at the end of the Project,
provide Lilly with a report, stating:  a) the dollar amount of funds Lilly
supplied for that year; b) the research activities conducted during the year
which account for such support, including the Onyx FTEs devoted to the Project,
using Onyx's standard project accounting procedures; and c) any supporting
details as are reasonably required by Lilly. To the extent permitted by law,
Lilly shall be entitled to any tax credits due on account of research and
development expenses for the funds paid by Lilly.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         14.

<PAGE>


                                      ARTICLE 5

                                  RESULTS OF PROJECT

    5.1  REPORTS.  Onyx and Lilly shall disclose any new BRCA1 Modulator or
other Project Information to the Steering Committee reasonably promptly
following its discovery or generation.  At Lilly's or Onyx's request the
disclosing party shall make such Project Information available to the requesting
party.  The disclosure may take the form of visits by Onyx or Lilly personnel to
the facilities being used for the Project to permit observation of the
procedures being used.  Those visits will take place at reasonable times and
upon reasonable prior notice, at the visitor's expense.

    Onyx and Lilly shall submit a detailed written report on the progress of
the Project to the Steering Committee within sixty (60) days following each
semi-annual period of the term of the Project.  Within ninety (90) days after
completion of the Project, each party shall provide the Steering Committee with
a comprehensive final written report.

    5.2  PATENTABLE INVENTIONS.  If a patentable invention is conceived in the
course of and within the scope of the Project and is reduced to practice during
the Project or within [           ] after its expiration or termination,  the
party making such invention shall notify the other party of such invention.
Lilly and Onyx shall then discuss that invention and the desirability of filing
a United States patent application covering the invention, as well as any
foreign counterparts.  If the parties cannot reach an agreement about the filing
of a patent application within ninety (90) days after the notification by the

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         15.

<PAGE>


party making such invention to the other party, then the party owning the
invention shall make the final decision with respect to any such filings.  If an
invention is made jointly, the Steering Committee shall be notified of such
invention and shall determine:  (a) which party shall file and prosecute the
application, and (b) how the expenses will be allocated.  If no decision is made
regarding such jointly owned patent within ninety (90) days after the
notification of the Steering Committee of such joint invention, either party may
make its own decision regarding such filing, pursuant to the procedure set forth
below.


    Notwithstanding the definition of Project Information, Lilly shall own all
inventions within the scope of the Project made solely by its employees, and any
patent applications or patents resulting therefrom, and Onyx shall own all
inventions within the scope of the Project made solely by its employees, and any
patent applications or patents resulting therefrom.  All inventions, patent
applications and patents on inventions made jointly by employees of Lilly and
employees of Onyx shall be owned jointly by Onyx and Lilly and shall be subject
to the licensing provisions set forth in Article 6.

    [                        ] expenses incurred in filing, prosecuting and
maintaining its patents and patent applications under this Section, including
the expenses of any interference proceedings in connection with such
prosecution.

    Each party shall provide the other party with a copy of any patent
application which discloses a BRCA1 Modulator or any new methodology relating to
the Project prior to the first filing of that application for review and comment
by the other party.  The

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         16.

<PAGE>


receiving party shall maintain any such patent application in confidence,
pursuant to Section 8.1.  The employees of both parties will cooperate in the
preparation and execution of all such patent applications.

    If a party decides not to file or maintain an application or patent on its
invention, or on a joint invention, in any country, it shall give the other
party reasonable notice to this effect; after that notice, the other party may,
at its expense, file or maintain the application or patent.

    5.3  PUBLICATIONS.  Lilly and Onyx agree that, during the term of the
Project and for [       ] thereafter, neither party shall publish the results
of studies carried out under this Agreement without the opportunity for prior
review by the other party.  During the term of the Project and for [      ]
thereafter, each party agrees to provide the other party the opportunity to
review any proposed abstracts or manuscripts which relate to the Project at
least [        ] prior to their intended submission for publication and agrees,
upon request, not to submit such an abstract or manuscript for publication until
the other party is given a reasonable period of time to secure patent protection
for any material in such publication which it believes to be patentable.  Upon
request, confidential information of the non-disclosing party shall be removed
from such proposed publication.  Nothing contained in this Section shall
prohibit the inclusion of information necessary for a patent application,
provided the non-filing party is given a reasonable opportunity to review the
information to be included.  During the term of the Project and for [          ]
thereafter, the parties agree that all publications relating to the results of

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         17.

<PAGE>


 studies carried out under this Agreement shall be submitted for review and
approval by the Steering Committee to ensure that, to the extent appropriate,
scientific credit is given to researchers at both Lilly and Onyx.

                                      ARTICLE 6

                                  COMMERCIAL RIGHTS

    6.1  LICENSE TO LILLY.  Subject to the terms and conditions set forth
herein, Onyx grants Lilly an exclusive, worldwide license within the Field, with
the right to sublicense, under Onyx Information, Onyx Patent Rights, and Project
Information to discover, develop, make, have made, offer for sale, sell and have
sold Products.  During the term of the Project, Onyx shall have the limited
right to use Onyx Information, Onyx Patent Rights, and Project Information in
accordance with the Project to discover, develop, and use BRCA1 Modulators for
Lilly's benefit.   Lilly hereby covenants and agrees that it will not practice
the Onyx Patent Rights or Onyx Information except as licensed in this Section
6.1.

    6.2  LICENSE TO ONYX.  Subject to the terms and conditions set forth
herein, Lilly grants Onyx:


         (a)  during the term of the Project, a non-exclusive, worldwide
license to use Lilly Information, Lilly Patent Rights, and Project Information
in accordance with the Project to discover, develop, and use BRCA1 Modulators
for Lilly's benefit; and

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         18.

<PAGE>


         (b)  In the event of a "Trigger Event", as defined below in this
Section 6.2(b), Onyx shall have the right to retain from Lilly an exclusive,
sublicensable, worldwide license within the Field under Onyx Information, Onyx
Patent Rights, Project Information, Lilly Information, and Lilly Patent Rights,
to discover, develop, make, have made, offer for sale, sell and have sold
Products.  A "Trigger Event" shall occur upon the occurrence of either of the
following events:

              (1)  the [

                        ] or

              (2)  [


                                  ]

    Lilly shall provide written notification to Onyx of the occurrence of a
Trigger Event.  Onyx shall have [           ] from the receipt of such
notification from Lilly to elect to retain the nonexclusive license referred to
above in this Section 6.2(b).  Such election shall be made by written
notification to Lilly.  If Onyx elects to retain such a nonexclusive license,
such license shall be granted upon receipt by Lilly of Onyx's written election
to retain such license.  Such license shall be subject to the royalty provisions
of Section 7.3.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         19.

<PAGE>


    Onyx covenants and agrees that it will not practice the Lilly Patent Rights
or Lilly Information except as licensed in this Section 6.2 and that, other than
as provided in Section 6.2(a), Onyx has no right to practice under the Onyx
Information that relates to: the BRCA1 Gene, BRCA1 Gene Product or BRCA1
Modulators;  Onyx Patent Rights; or Project Information, except in the event of
a Trigger Event under this Section 6.2(b).

    6.3  EXCLUSIVITY.  During the term of the Project, Onyx shall not conduct
any research or development with respect to [                             ]
except pursuant to this Agreement.

    6.4  ACKNOWLEDGMENT BY ONYX OF SUBLICENSEE STATUS.  Onyx acknowledges that
the license granted to Onyx by Lilly in Section 6.2 includes a limited
sublicense of rights from Myriad, Inc.  Onyx acknowledges receipt of a copy of
an Agreement (Attached as Appendix II) between Lilly and Helix, Inc. (now
Myriad, Inc.) and Onyx agrees to be bound by terms of this Agreement to the same
extent that Lilly is bound.

    Onyx further acknowledges that Myriad and Lilly own and control certain
information about the [           ] which will not be shared with Onyx.  Onyx
agrees to maintain documentary evidence of all Lilly Information transmitted to
Onyx to limit Onyx's liability with respect to any information which is not
provided to Onyx as provided herein.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         20.

<PAGE>


                                      ARTICLE 7

                                   COMMERCIAL TERMS

    7.1  MILESTONES.  Upon achievement of the following milestones, Lilly shall
pay to Onyx the following milestone payments:

         (a)  Upon [

                                                      ] the sum of

    [                                            ]

         (b)  Upon [

                                                      ] the sum of
    [                                       ]

         (c)  Upon [


                                  ] the sum of [
         ]

         (d)  Upon [

         ] the sum of [

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         21.

<PAGE>


                             ]

         (e)  Upon [
              ] the sum of [
         ]

    Milestone payments made under Sections 7.1 (a), 7.1(b) and 7.12(c) shall be
one time payments.  If [


                             ] then any milestone payment made under Sections
7.1(d) or 7.1(e) shall be credited against any milestone payments which
otherwise would be payable if [

                                       ]

    7.2  ROYALTY PAYMENTS TO ONYX ON PRODUCTS.  In addition to the foregoing,
with respect to each calendar quarter, Lilly shall pay to Onyx royalties equal
to [                         ] of Net Sales of Products, less [
    ] of royalty payments owed to third parties, including Myriad, however,
subject to Section 12.3, not less than [              ] of Net Sales of
Products.

    7.3  ROYALTY PAYMENTS TO LILLY ON PRODUCTS.  In the event of a Trigger
Event and if Onyx elects to retain a nonexclusive license from Lilly under
Section 6.2(b), and

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         22.

<PAGE>


Onyx thereafter develops and sells a Product or Product(s), with respect to each
calendar quarter, Onyx shall pay to royalties to Lilly as follows:

    (a)  If a Trigger Event occurs and Onyx elects to retain a nonexclusive
license from Lilly under Section 6.2(b) before a potential Product has achieved
Project Team Status and Onyx thereafter develops and sells a Product, Onyx shall
pay Lilly a royalty equal to [              ] of Net Sales of Product(s);

    (b)  If a Trigger Event occurs and Onyx elects to retain a nonexclusive
license from Lilly under Section 6.2(b) after a potential Product has achieved
Project Team Status and before the initiation of Phase I Clinical Trials and
Onyx thereafter develops and sells a Product, Onyx shall pay Lilly a royalty
equal to [               ] of Net Sales of Product(s);

    (c)  If a Trigger Event occurs and Onyx elects to retain a nonexclusive
license from Lilly under Section 6.2(b) before initiation of Phase II Clinical
Trials and after the initiation of Phase I Clinical Trials and Onyx thereafter
develops and sells a Product, Onyx shall pay Lilly a royalty equal to [
         ] of Net Sales of Product(s).

    (d)  If a Trigger Event occurs and Onyx elects to retain a nonexclusive
license from Lilly under Section 6.2(b) after completion of Phase II Clinical
Trials and Onyx thereafter develops and sells a Product, Onyx shall pay Lilly a
royalty equal to [           ] of Net Sales of Products(s).

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         23.

<PAGE>


    For the purposes of this Section 7.3, Net Sales shall be calculated on the
sale of Product(s) by Onyx or any third party partner of Onyx to the ultimate
end-user of such Product(s).

    7.4  TERM OF ROYALTY PAYMENTS BY LILLY.  Running royalties paid by Lilly
pursuant to Sections 7.2 shall be paid on a country-by-country basis from the
date of the first commercial sale of each Product in a particular country either
(i) until the last to expire of any Onyx Patent Rights in that country for which
a Valid Claim thereof covers the manufacture, use or sale of the Product or (ii)
for [         ] years, whichever is longer.

    7.5  TERM OF ROYALTY PAYMENTS BY ONYX.  Running royalties paid by Onyx
pursuant to Sections 7.3 shall be paid on a country-by-country basis from the
date of the first commercial sale of each Product in a particular country either
(i) until the last to expire of any Onyx Patent Rights or Lilly Patent Rights in
that country for which a Valid Claim thereof covers the manufacture, use or sale
of the Product or (ii) for [      ] years, whichever is longer.

    7.6  ONYX OBLIGATIONS TO MYRIAD.  In the event of a Trigger Event and if
Onyx elects to retain an exclusive license from Lilly under Section 6.2(b), and
Onyx thereafter develops and sells a Product or Product(s), in addition to the
royalties owed to Lilly by Onyx under Section 7.3, Onyx acknowledges its
potential obligation to pay a [                  ] royalty to Myriad, on the
Net Sales of Products sold by Onyx as

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         24.

<PAGE>


consideration for the sublicensed rights acquired from Myriad through Lilly, as
set forth in Section 6.4.  At Lilly's option, Onyx shall pay such [
       ] royalty directly to Myriad, or Onyx shall pay such [             ]
royalty to Lilly in addition to the royalty owed to Lilly under Section 7.3 and
Lilly shall thereafter be responsible for the royalty payment to Myriad.

    7.7  ROYALTY PAYMENT REPORTS.  Royalty payments under this Agreement shall
be made to the receiving party within [          ] days following the end of
each calendar quarter for which royalties are due.  Each royalty payment shall
be accompanied by a statement summarizing the Net Sales and royalty by United
States and outside the United States.

    7.8  RECORDS.  Within the term of this Agreement and within one (1) year
after its termination, the party receiving the royalty shall not more than once
each year have the right to have the royalty payer's independent certified
accountant inspect the royalty payer's records for any of the two (2) preceding
years for the purpose of determining the accuracy of royalty payments.  The
independent certified accountant shall keep confidential any information
obtained during such inspection and shall report to the party receiving the
royalty only the amounts of royalties due and payable.  The receiving party
shall bear the expenses of such audit, provided that, in the event of material
underpayment (in excess of 5%) of any royalties owing hereunder, the paying
party shall bear the reasonable expenses of such audit, in addition to
reimbursement for such underpayment.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         25.

<PAGE>


    7.9  WITHHOLDING TAXES.  If either party is required by the United States
government or other authorities to withhold any tax on the amounts payable by
that party to the other party under this Agreement, that party shall be allowed
to do so, and shall in such case remit royalty payments to the other party net
of such withheld amount, provided that the withholding party furnishes the other
party with one copy of the official tax receipt on such withholdings as soon as
practicable after such withholding in order that the other party may use the
withholding tax paid as a tax credit.

    7.10 EXCHANGE RATES.  All payments to be made by Lilly to Onyx under this
Agreement shall be made in United States dollars.  In the case of sales outside
the United States by Lilly, the rate of exchange to be used in computing the
amount of currency equivalent in United States dollars due Onyx shall be made
using Lilly's then current standard exchange rate methodology, which methodology
shall be in conformity with generally accepted accounting principles.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         26.

<PAGE>


                                      ARTICLE 8

                                   CONFIDENTIALITY

    8.1  Except as otherwise provided in writing by the parties, both parties
shall use their best efforts to retain in confidence and not use, except as
provided in this Agreement, all information relating to the Project.  Such
information may, however, be disclosed insofar as such disclosure is necessary
(where possible, with adequate safeguards for confidentiality) to allow either
party to defend against litigation with a third-party, to file and prosecute
patent applications or to comply with governmental regulations, provided neither
party shall use the other party's information in any patent application without
written approval from the other party.

    This obligation of confidentiality and non-use shall not apply to
information which (i) is in the public domain, (ii) comes into the public domain
through no fault of the receiving party, (iii) was known by the receiving party
prior to disclosure under this Agreement or under the prior confidentiality
agreement between Lilly and Onyx, (iv) is disclosed to the receiving party
without an obligation of confidentiality by a third party having a lawful right
to make the disclosure, or (v) is disclosed under the provisions of Section 5.3
of this Agreement.

    In furtherance of the objectives of the Project and with the approval of
the Steering Committee, either party may disclose confidential information
obtained or generated under this Agreement to a third party who has agreed in
writing to be bound by the same

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         27.

<PAGE>


or similar obligations of confidence set forth in this Section, provided the
third party agrees not to use the confidential information without authorization
from the party owning the information, except that such authorization shall not
be required in connection with the exercise of the rights granted under licenses
under Sections 6.1 and 6.2.

    All obligations of confidentiality and non-use imposed upon the parties
under this Agreement shall expire on the later of (i) the date five (5) years
from the termination of the Project; or (ii) the expiration of all obligations
to pay royalties under Article 7.

    Lilly agrees to mark all Lilly Information provided to Onyx in documentary
form as "Confidential".  If such Lilly Information is provided to Onyx in oral
form, Lilly shall thereafter summarize the disclosure in writing, mark it as
"Confidential," and provide a copy to Onyx within thirty (30) days of the oral
disclosure.  In the same manner, Onyx agrees to mark all Onyx Information
provided to Lilly in documentary form as "Confidential."  If such Onyx
Information is provided to Lilly in oral form, Onyx shall thereafter summarize
the disclosure in writing, mark it "Confidential," and provide a copy to Lilly
within thirty (30) days of the oral discussion.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         28.

<PAGE>


                                      ARTICLE 9

                                 TERM AND TERMINATION

    9.1  TERM.  This Agreement shall become effective on the Effective Date and
shall remain in effect until the expiration of all obligations of
Confidentiality under Article 8.

    9.2  TERM AND EXTENSION OF PROJECT.  Unless terminated early under this
Article 9, the obligation to fund and conduct research shall terminate on 
June 12, 1999.  By mutual agreement, Onyx and Lilly may extend the Project for
additional periods that contemplate additional funding by Lilly and continuing
cooperative research by Onyx and Lilly.

    9.3  VOLUNTARY TERMINATION OF PROJECT.  Either party may terminate the
Project at any time upon ninety (90) days advance written notice provided to the
other party.

    9.4  TERMINATION FOR DEFAULT.  If either party is in default of any of its
material obligations under this Agreement and fails to remedy that default
within ninety (90) days after the other party sends written notice of the
default (thirty (30) days in the event of failure to pay monies when due) the
party not in default may terminate the Project immediately by giving written
notice of the termination.  The termination date shall be the date of the notice
of termination.  If Onyx has defaulted, the licenses specified in Section 6.1
shall survive and the licenses in Section 6.2 shall terminate upon termination

                                         29.

<PAGE>


for default.  If Lilly has defaulted, the licenses and option specified in
Section 6.2 shall survive and the licenses in Section 6.1 shall terminate upon
termination for default.

    9.5  TERMINATION DUE TO ASSIGNMENT.  In the event Onyx assigns this
Agreement, pursuant to Section 14.6, to an acquiring third-party which is a
pharmaceutical or biotechnology company, Lilly may terminate the Project upon
thirty (30) days notice without terminating the licenses specified in Section
6.1(a).

    9.6  KEY PERSONNEL.  During the term of the Project, if Paul Polakis leaves
the employ of Onyx, for any reason, Lilly may voluntarily terminate the Project
upon thirty (30) days' written notice to Onyx if within sixty (60) days
following the departure of Paul Polakis Onyx is unable to select a replacement 
for that is reasonably acceptable to Lilly.  If the Project is voluntarily
terminated under this Section 9.6, all rights and obligations under this
Agreement concerning the making, using or selling of Products already produced
by the Program, and any future Products arising therefrom, shall not be affected
by the termination of the Project.

    9.7  RESIDUAL RIGHTS.  Upon expiration or termination of this Agreement,
except as provided herein to the contrary, all rights and obligations of the
parties shall cease, except as follows:

         (a)  Obligations to pay royalties and other sums accruing hereunder up
to the date of termination;

                                         30.

<PAGE>


         (b)  The right to complete the manufacture and sale of Products, which
qualify as "work in process" under generally accepted cost accounting standards
or which are in stock at the date of termination, and the obligation to pay
royalties on Net Sales of such Products;

         (c)  The obligation to pay milestones as achieved and royalties with
respect to Products;

         (d)  All provisions regarding confidentiality shall continue in full
force and effect;

         (e)  Obligations for record keeping and accounting reports for so long
as Products are sold.  At such time after termination of this Agreement when
sales or other dispositions of Products have ceased, Lilly or Onyx, as the case
may be, shall render a final report along with any royalty payment due;

         (f)  The parties' rights to inspect books and records as described in
Article 7;

         (g)  Obligations of defense and indemnity;

         (h)  Obligations set forth in Article 12, but only with respect to
those causes of action which accrued prior to such termination;

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         31.

<PAGE>


         (i)  Any cause of action or claim of Onyx or Lilly accrued or to
accrue because of any breach or default by the other party hereunder;

         (j)  All other terms, provisions, representations, rights and
obligations contained in this Agreement that by their sense and context are
intended to survive until performance thereof by either or both parties.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         32.

<PAGE>


                                      ARTICLE 10

                               DISCLOSURE OF AGREEMENT

    10.1 DISCLOSURE OF AGREEMENT.  Except as provided below, neither Onyx nor
Lilly shall release any information to any third party with respect to the
existence and terms of this Agreement without the prior written consent of the
other, which shall not be unreasonably withheld.  This prohibition includes, but
is not limited to, press releases, educational and scientific conferences,
promotional materials, governmental filings, and discussions with lenders,
investment bankers, public officials, and the media.

    Notwithstanding the terms and provisions of this Article 10, each party
shall be allowed to disclose the terms, and provide a copy of this Agreement to
its respective tax authorities if so requested.  Furthermore, Onyx acknowledges
receipt of a redacted copy of the Agreement to Myriad, Inc.

    10.2 RELEASES REQUIRED BY LAW.  If either party determines a release of
further information is required by law or governmental regulation, it shall
notify the other in writing at least thirty (30) days (or such shorter time
where legally required) before the time of the proposed release. The notice
shall include the exact text of the proposed release and the time and manner of
the release.


    If requested, the party seeking to release information shall furnish to the
other an opinion of counsel that the release of that information is required by
law.  At the other party's request, and before the release, the party desiring
to release further information

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         33.

<PAGE>


shall consult with the other party on the necessity for the disclosure and the
text of the proposed further release.  In no event shall a release include
further information regarding the existence or terms of this Agreement that is
not required by law or governmental regulation.


    10.3 FINANCIAL INFORMATION.  Notwithstanding these restrictions, Lilly
recognizes Onyx may need to disclose the existence or terms of this Agreement to
bankers and other Onyx business associates.  Lilly shall respond promptly to
requests from Onyx to make such disclosures and shall not unreasonably withhold
its authorization.  Any such disclosure under this Section 10.3 shall include an
obligation on the party receiving any confidential information to maintain the
same in confidence.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         34.

<PAGE>


                                      ARTICLE 11

                   REPRESENTATIONS, WARRANTIES AND ACKNOWLEDGMENTS

    11.1 WARRANTY OF TITLE.  Onyx hereby warrants that it has the unencumbered
right to enter into this Agreement and to grant the license(s) contained herein.
There are no outstanding options, licenses or agreements of any kind between
Onyx and third parties relating to the manufacture, use or sale of BRCA1
Modulators or the research to be carried out by Onyx under this Agreement.

    Lilly hereby warrants that it has the unencumbered right to enter into this
Agreement and to grant the license(s) contained herein.  Other than the prior
agreement between Lilly, Myriad and Hybritech, there are no outstanding options,
licenses or agreements of any kind between Lilly and any other third parties
relating to the manufacture, use or sale of BRCA1 Modulators.

    11.2 PATENTS, PRIOR ART.  Each party to this Agreement represents and
warrants that to the best of its knowledge, it has sufficient legal and/or
beneficial title and ownership under its intellectual property rights necessary
for its business as now conducted and as currently proposed to be conducted
under the Project contemplated herein.  Each party is not aware of any
communications alleging that it has violated or, by conducting its business as
currently proposed under the Project contemplated herein, would violate any of
the intellectual property rights of any other person or entity relating to the
research to be carried out under the Agreement or any [                   ].
To

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         35.

<PAGE>


the best of each party's knowledge, there is no material unauthorized use,
infringement or misappropriation of any of its intellectual property rights.  As
used herein, the term "intellectual property rights" means all patent rights,
copyrights, trademarks, trade secret rights, chemical and biological material
rights, and know-how rights necessary or useful to make, use or sell any [
              ]

    11.3 EMPLOYEE OBLIGATIONS.  Onyx represents and warrants that all of its
employees, officers, and consultants have executed agreements requiring
assignment to Onyx of all inventions made during the course of and as the result
of their association with Onyx and obligating the individual to maintain as
confidential Onyx's confidential information as well as confidential information
of a third party which Onyx may receive.

    Lilly represents and warrants that all of its consultants have executed
agreements requiring assignment to Lilly of all inventions made during the
course of and as the result of their association with Lilly and obligating the
individual to maintain as confidential Lilly's confidential information as well
as confidential information of a third party which Lilly may receive.

    Lilly also represents and warrants that all of its employees and officers
are under a legal obligation of assignment to Lilly of all inventions made
during the course of and as the result of their association with Lilly and
obligating the individual to maintain as confidential Lilly's confidential
information as well as confidential information of a third party which Lilly may
receive.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         36.

<PAGE>


11.4     ACKNOWLEDGMENT OF LILLY'S RESEARCH.  Onyx acknowledges and agrees that
Lilly has substantial existing technology relating to other types of compounds
that may or may not be reactive with the BRCA1 Gene and/or the BRCA1 Gene
Product and that Lilly will continue to:  a) maintain an ongoing independent
research effort in those other areas; b) contract with other parties for
technology and biological materials; and c) develop drugs useful in treating
disease states relating to the BRCA1 Gene and/or the BRCA1 Gene Product.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         37.

<PAGE>


                                      ARTICLE 12

                         INFRINGEMENT OF THIRD PARTY'S RIGHTS

    12.1 SETTLEMENT.  If a third party asserts that a patent or other right
owned by it is infringed or misappropriated by the use of Onyx Patent Rights,
Onyx Information, or Project Information in the Field, Onyx may attempt to
resolve the problem raised by the asserted infringement or misappropriation.
The matter shall be deemed resolved if Onyx obtains:  a) [

              ] or b) [

                                   ] or c) [

                                            ]

    12.2 LITIGATION.  If a third party asserts that a patent or other right
owned by it is infringed or misappropriated by the use of Onyx Patent Rights,
Onyx Information, or Project Information in the Field and such assertion results
in a claim against Lilly, the party to this Agreement first having notice of
that claim shall promptly notify the other party in writing.  The notice shall
set forth the facts of the claim in reasonable detail.  Onyx shall have the
primary right, but not the obligation, to defend against such claim.  Lilly
shall cooperate with Onyx at Onyx's request and expense in such defense and
shall have the right to be represented by counsel of its own choice and at
Lilly's expense.  If

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         38.

<PAGE>


Onyx shall fail to defend against such claim within a period of [
         ] after receiving written notice from Lilly or otherwise of such
claim, Lilly shall have the right to so defend by counsel of Lilly's own choice
and Onyx shall have the right, at its own expense, to be represented by counsel
of its own choice.

    12.3 ROYALTY REDUCTION.  Subject to Section 12.5, if, as a result of
settlement procedures approved by Onyx and Lilly or litigation under Section
12.1 or 12.2, Lilly is required to pay the third party a royalty or make any
payment of any kind for the right to use Onyx Patent Rights, Onyx Information,
or Project Information in the Field, in a particular country, then Lilly may
deduct, from the amount of royalties owed to Onyx in connection with Net Sales,
[             ] of the amount of the royalty or such other amount, including
any initial payment, if any, payable to the third party, up to, but no more
than, [            ] of the amounts otherwise payable to Onyx in connection
with sales in such country, however not less than [                 ] of the
Net Sales of Products.

    12.4 THIRD PARTY INFRINGEMENT.  If any patent in the Onyx Patent Rights in
the Field is infringed by a third party, the party to this Agreement first
having knowledge of such infringement shall promptly notify the other in
writing.  The notice shall set forth the facts of that infringement in
reasonable detail.  Onyx shall have the primary right, but not the obligation,
to institute, prosecute, and control any action or proceeding with respect to
such infringement of the Onyx Patent Rights, by counsel of its own choice, and
Lilly shall have the right, at its own expense, to be represented in that action
by counsel

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         39.

<PAGE>


of its own choice.  If Onyx fails to bring an action or proceeding within a
period of [                            ] after receiving written notice from
Lilly or otherwise having knowledge of that infringement, Lilly shall have the
right to bring and control any such action by counsel of its own choice, and
Onyx shall have the right to be represented in any such action by counsel of its
own choice at its own expense.

    If one party brings any such action or proceeding, the second party agrees
to be joined as a party plaintiff and to give the first party reasonable
assistance and authority to file and prosecute the suit.  The costs and expenses
(including reasonable attorney's fees) of all suits brought by Onyx or Lilly
under this Section shall be reimbursed on a pro-rata basis to both parties out
of any damages or other monetary awards recovered therein in favor of Onyx
and/or Lilly.  Any remaining damages shall split [                   ] to the
party initiating and prosecuting the action to completion and [
    ] to the other party.

    No settlement or consent judgment or other voluntary final disposition of a
suit under this Section may be entered into without the joint consent of Onyx
and Lilly (which consent shall not be withheld unreasonably).

    12.5 WARRANTY AND INDEMNIFICATION.  Onyx represents and warrants that
Lilly's practice under Onyx Patent Rights, Onyx Information, or Project
Information in the Field is and shall, during the term of this Agreement, be
free of any misappropriation claims of any third party arising from  any
contractual obligation on the part of Onyx to such third

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         40.

<PAGE>


party, and Onyx shall defend, indemnify and hold harmless Lilly against any
direct loss or injury by reason of any third party action in which it is
determined or alleged that practice under the Onyx Patent Rights, Onyx
Information, or Project Information in the Field infringes or misappropriates
that third parties rights, or any settlement thereof.

    If, as a result of such a third party contractual obligation of Onyx, Lilly
is required to pay the third party a royalty or make any payment of any kind for
the right to use Onyx Patent Rights, Onyx Information, or Project Information in
the Field, in a particular country, Lilly may deduct, from the amount of
royalties owed to Onyx in connection with Net Sales of Products, [
         ] of the amount of the royalty or such other amount, including any
initial payment, if any, payable to the third party, up to [
        ] of the amounts otherwise payable to Onyx in connection with sales in
such country.

    If, as a result of a contractual obligation on the part of Onyx to a third
party, Onyx is required to pay the third party a royalty or make any payment of
any kind for Lilly's right to use Onyx Patent Rights, Onyx Information, or
Project Information in the Field, in a particular country, Onyx shall be solely
responsible for the payment of such royalty or other payment.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         41.

<PAGE>


                                      ARTICLE 13

                                  GOVERNMENT CONTROL

    13.1 AUTHORITY.  This Agreement is made subject to any restrictions
concerning the export of products or technical information from the United
States of America which may be imposed upon or related to Onyx or Lilly from
time to time by the government of the United States of America.



                                      ARTICLE 14

                               MISCELLANEOUS PROVISIONS

    14.1 NO AGENCY.  It is understood and agreed that Onyx shall have the
status of an independent contractor under this Agreement and that nothing in
this Agreement shall be construed as authorization for either Lilly or Onyx to
act as agent for the other.  Members of the Steering Committee shall be, and
shall remain, employees of Onyx or Lilly, as the case may be.  Lilly shall not
incur any liability for any act or failure to act by employees of Onyx,
including members of the Steering Committee who are employees of Onyx.  Onyx
shall not incur any liability for any act or failure to act by employees of
Lilly, including members of the Steering Committee who are employees of Lilly.

    14.2 FORCE MAJEURE.  Both parties to the Agreement shall be excused from
the performance of their obligations under this Agreement if such performance is
prevented by Force Majeure and the nonperforming party promptly provides notice
of the prevention to the other party.  Such excuse shall be continued so long as
the condition

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         42.

<PAGE>


constituting Force Majeure continues and the nonperforming party takes
reasonable efforts to remove the condition.

    For purposes of this Agreement, Force Majeure shall include conditions
beyond the control of the parties, including without limitation, an act of God,
voluntary or involuntary compliance with any regulation, law or order of any
government, war, civil commotion, epidemic, failure or default of public
utilities or common carriers, destruction of production facilities or materials
by fire, earthquake, storm or like catastrophe.

    14.3 AMENDMENT.  This Agreement may not be amended, supplemented, or
otherwise modified except by an instrument in writing signed by both parties.

    14.4 NOTICES.  Any notice required or permitted to be given under this
Agreement shall be in writing and shall be deemed to have been sufficiently
given for all purposes if mailed by first class certified or registered mail,
postage prepaid. Unless otherwise specified in writing, the mailing addresses of
the parties shall be as described below.

For Onyx:               Onyx, Inc.
                        3031 Research Drive, Building A,
                        Richmond, California  94806

                        Attention:  President

For Lilly:              Eli Lilly and Company
                        Lilly Corporation Center
                        Indianapolis, Indiana  46285

                        Attention:  Vice President, Oncology Discovery and

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         43.

<PAGE>


                        Clinical Development Research

                        Copy to: General Patent Counsel

    14.5 GOVERNING LAW.  This Agreement shall be governed by, and construed in
accordance with, the laws of the State of Indiana, excluding any choice of law
rules which may direct the application of the law of any other jurisdiction.
Questions effecting the construction and effect of any Patent Rights shall be
determined by the laws of the country in which the Patent Right has been applied
for and granted.

    14.6 ASSIGNMENT.  Neither party may assign its rights and obligations under
this Agreement without the prior written consent of the other, except a party
may make such an assignment without the other party's consent in connection with
any merger, reorganization or sale of all or substantially all of its assets to
which this Agreement relates.  This Agreement shall be binding upon and shall
inure to the benefit of the successors and permitted assigns of the parties.

    14.7 CONSENTS NOT UNREASONABLY WITHHELD.  Whenever provision is made in
this Agreement for either party to secure the consent or approval of the other,
that consent or approval shall not unreasonably be withheld, and whenever in
this Agreement provisions are made for one party to object to or disapprove a
matter, such objection or disapproval shall not unreasonably be exercised.

    14.8 NO STRICT CONSTRUCTION.  This Agreement has been prepared jointly and
shall not be strictly construed against either party.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         44.

<PAGE>


     14.9     HEADINGS.  The captions or headings of the Sections or other
subdivisions hereof are inserted only as a matter of convenience or for
reference and shall have no effect on the meaning of the provisions hereof.

    14.10     SEVERANCE OF CLAUSES/INSOLVENCY.  Each party agrees that, should
any provision of this Agreement be determined by a court of competent
jurisdiction to violate or contravene any applicable law or policy, such
provision will be severed or modified by the court to the extent necessary to
comply with the applicable law or policy, and such modified provision and the
remainder of the provisions hereof will continue in full force and effect.  In
addition the parties hereto intend that the Agreement shall not be deemed an
executory contract under the Bankruptcy/Insolvency laws of the United States.

    14.11     NO WAIVER.  The waiver of a breach hereunder may be effected only
by a writing signed by the waiving party and shall not constitute a waiver of
any other breach.

    14.12     ENTIRE AGREEMENT.  The Agreement institutes the entire agreement
of the parties relating to the subject matter, and may not be amended, modified
or cancelled except by written instrument executed by both Onyx and Lilly.

    14.13     COUNTERPARTS.  This Agreement has been executed in two (2)
counterparts, all of which shall constitute an original, but which together
shall constitute are and the same instrument.

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         45.

<PAGE>


    IN WITNESS WHEREOF, the parties by their respective authorized officers,
have executed this Agreement.


ONYX PHARMACEUTICALS INC.                   ELI LILLY AND COMPANY
By:/s/Hollings C. Renton                    By:/s/ August M. Watanabe
   ------------------------------          -------------------------------
    Hollings C. Renton                      August M. Watanabe
Title: President and CEO                    Title:  Executive Vice President

Date: June 12, 1996                         Date: June 12, 1996
     ----------------------------          -------------------------------

[ ] = CONFIDENTIAL TREATMENT REQUESTED.
                                         46.

<PAGE>


                                  TABLE OF CONTENTS
                                                                           PAGE

              TABLE OF CONTENTS PLACEHOLDER - DO NOT DELETE!


                                          i.

<PAGE>

          ONYX OBJECTIVES FOR THE LILLY-ONYX JOINT BRCA1 PROJECT

[













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                                          l.

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         [








                                            ]
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                                          2.

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         [








                                            ]
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                                          3.

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         [








                                            ]
[ ] = CONFIDENTIAL TREATMENT REQUESTED.

                                          4.



<PAGE>



                              SECOND AMENDMENT TO LEASE


    THIS SECOND AMENDMENT TO LEASE ("Amendment") is made effective as of the
23rd day of April, 1996, between THE METCALF FAMILY LIVING TRUST DATED JUNE 11,
1993 (as "Landlord") and ONYX PHARMACEUTICALS, INC., a California corporation
("Tenant"), with reference to the following facts.

                                       RECITALS

    A.   Landlord's predecessor and Tenant are parties to that certain "Lease"
dated as of September 9, 1992 (the "Original Lease"), as amended by that certain
"First Amendment to Lease", dated April 21, 1993 (the "First Amendment"). (The
Original Lease and the First Amendment are referred to herein as, collectively,
the "Existing Lease."  From and after the date hereof, all references to "the
Lease" shall mean the Existing Lease, as amended by this Amendment.)

    B.   The total square footage leased to Tenant pursuant to the Existing
Lease is approximately 41,094, located at 3023-3025 and 3031 Research Drive,
Richmond, California, as shown in the exhibits to the Existing Lease (the
"Existing Premises").

    C.   Landlord has recently purchased the building in which the Existing
Premises are located (formerly known as "Building A"). Said Building A (the
"Building") is the only building owned by Landlord in the office development
known as the Britannia Business Center.

    D.   Tenant now desires to lease from Landlord and Landlord desires to
lease to Tenant certain additional space adjacent to the Existing Premises,
consisting of approximately 10,554 square feet of space, as shown on Exhibit A
to this Amendment (the "Expansion Space"), on the terms and conditions set forth
in this Amendment.

    NOW, THEREFORE, in consideration of the mutual covenants and obligations
contained herein, Landlord and Tenant agree as follows:

                                      AGREEMENT

    1.   RECITALS. The above Recitals are true and correct and are incorporated
herein by this reference.

    2.   PREMISES. Landlord hereby leases to Tenant and Tenant leases from
Landlord the Expansion Space on the terms and conditions set forth in the
Existing Lease, as amended by this Amendment. The last sentence of Section 1.1
of the Original Lease regarding calculation of size or area shall apply to the
calculation of the size or area of the Expansion Space. From and after the date
hereof, all references to the "Premises" shall be deemed to refer to the
Existing Premises together with the Expansion Space.


                                          1.

<PAGE>

    3.   TERM.

         (a)  The term of the Lease as to the Expansion Space shall commence on
May 1, 1996 and continue through April 30, 2000.

         (b)  In order to cause the initial term of the Existing Premises to
expire at the same time as the initial term for the Expansion Space, the
expiration date for the initial term for the Existing Premises established
pursuant to Section 2.1 of the Original Lease and Section 3 of the First
Amendment (thereby applying to the whole of the Existing Premises) is hereby
changed to April 30, 2000.

    4.   OPTION.  Per the Existing Lease, Tenant has the two (2) options to
extend the term of the Lease as to the whole of the Existing Premises, each for
a period of five (5) years. By this amendment, said options are made applicable
to the Additional Space as well. If exercised, the first five (5) year extension
shall commence on May 1, 2000 and end on April 30, 2005. If exercised, the
second five (5) year extension shall commence on May 1, 2005 and end on April
30, 2010. There shall be no partial exercise of the options for any of the
Premises. That is, an option may only be exercised for the whole of the
Premises.  Tenant may not exercise its option as to the second five (5) year
extension period unless Tenant has validly exercised its option and extended the
term of the Lease for the first five (5) year extension period.

    5.   MINIMUM RENTAL.

         (a)  The minimum monthly rental for the Existing Premises is unchanged
by this Amendment.

         (b)  The minimum monthly rental for the Expansion Space shall be as
follows:

    TIME PERIOD         MINIMUM MONTHLY RENTAL

    5/1/96 - 4/30/97    $6,543.48 ($.62/ft)

    5/1/97 - 4/30/98    $6,754.56 ($.64/ft)

    5/1/98 - 4/30/99    $6,965.64 ($.66/ft)

    5/1/99 - 4/30/00    $7,176.72 ($.68/ft)

         (c)  Notwithstanding the above, but conditioned upon the completion by
Tenant of the Tenant Improvements (as hereinbelow described) the parties agree
that Tenant shall be entitled to an abatement of the minimum monthly rental and
Operating Expenses in the amount of Fifty-two Thousand Seven Hundred Seventy
Dollars ($52,770). Said abatement shall commence on May 1, 1996, at a monthly
rate equal to the minimum monthly rental plus Operating Expenses which would
otherwise be paid by Tenant and continue until said total


                                          2.

<PAGE>

amount has been abated.  Tenant shall then resume payment in full of minimum
monthly rent and Operating Expense as provided for under the Lease, as amended.
This provision shall have no effect on any other payment due from Tenant under
the Lease.

    6.   OPERATING EXPENSES. With its occupancy of the Expansion Space, Tenant
will occupy the entirety of 3023 through 3035 Research Drive (i.e., 100% of the
Building). Therefore, as of the date hereof, Tenant's Operating Cost Share of
Operating Expense payable by Tenant pursuant to Section 5.1 of the Original
Lease shall be one hundred percent (100%).

    7.   CONDITION OF EXPANSION SPACE. Tenant acknowledges that it has had an
opportunity to inspect the Expansion Space and to evaluate the physical
condition and the operating condition of the mechanical, plumbing, electrical
and HVAC systems serving the Expansion Space as of the date of this Amendment,
and that, except as otherwise provided in this Section 7, or in Section 9.6 or
other applicable provisions of the Original Lease, Tenant will be leasing the
Expansion Space in their "AS-IS" condition as of the date of this Amendment,
without any representations or warranties by Landlord or its agents or employees
regarding such physical condition or systems.  Notwithstanding the foregoing,
Landlord confirms that the warranties and representations given by Landlord in
Section 2.4 of the Original Lease are true with respect to the Expansion Space
as of the date of this Amendment and shall be true as of May 1, 1996.

    8.   TENANT IMPROVEMENTS.  Promptly following execution of this Amendment,
Tenant, at it sole cost and expense, shall prepare and present to Landlord for
Landlord's review and approval (not to be unreasonably withheld or delayed),
plans and specifications for Tenant's build-out of the Expansions Space,
including but not limited to the construction of two (2) restrooms (the "Tenant
Improvements"). Within the (10) days after delivery of such plans by Tenant,
Landlord shall either reasonably approve or disapprove such plans by written
notice to Tenant, and if Landlord shall reasonably disapprove such plans,
Landlord shall specify with particularity the reasons therefor. Landlord and its
architect and/or engineer shall reasonably cooperate with Tenants in Tenant's
preparation of plans and specifications for Tenant's Improvements. Following
approval of plans and specifications by Landlord, Tenant shall, at its sole cost
and expense [subject to Section 5(c), above] promptly and diligently undertake
and complete, subject to delays for causes beyond its reasonable control,  the
Tenant Improvements in accordance with the approved plans and specifications. 
Such work shall be performed in a neat and workmanlike manner, shall confirm to
all applicable governmental codes, laws and regulations in force at the time
such work is complete, shall be performed in a manner that does not disturb
other tenants at the Property and that complies with Landlord's rules and
regulations and shall comply with all other conditions of Section 7.1 of the
Original Lease applicable to alterations or improvements by Tenant. Tenant shall
be responsible for obtaining all required permits and governmental approvals for
its work at its sole cost and expense.

    9.   OTHER TERMS.  During the term of the Lease, all provisions of the
Existing Lease shall apply to the Expansion Space as if the Expansion Space were
part of the Existing Premises. Capitalized terms used but not defined in this
Amendment shall have the meanings given them in the Existing Lease. The
information provided in the Basic Lease Information summary sheet


                                          3.

<PAGE>

attached to the Original Lease is hereby modified as necessary to conform to the
terms of this Amendment.

    10.  CHANGE OF NOTICE ADDRESS.  Tenant acknowledges that it has received
notice of change of address for Landlord, pursuant to Section 17.1 of the
Original Lease, as follows:

         David Metcalf
         3329 Stagecoach Drive
         Lafayette, CA 94549

    11.  LEASE REMAINS IN EFFECT.  Subject only to the provision of this
Amendment, the Existing Lease has not been modified or amended an remains in
full force and effect.

    IN WITNESS WHEREOF, Landlord and Tenant have executed this Amendment as of
the date first set forth above.

LANDLORD:

THE METCALF FAMILY LIVING TRUST DATED JUNE 11, 1993



By:  /s/ David Metcalf
   --------------------------------
    David Metcalf, Trustee


TENANT:

ONYX PHARMACEUTICALS, INC.,
a California corporation



By:  /s/ W.G. Gerber
   --------------------------------
     W. G. Gerber
Its:  Chief Operating Officer


                                          4.


<PAGE>


                              ONYX PHARMACEUTICALS, INC


                STATEMENT REGARDING COMPUTATION OF NET LOSS PER SHARE
                       (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
                                     (UNAUDITED)

 
<TABLE>
<CAPTION>

                                                                Three Months Ended                 Six Months Ended
                                                                     June 30,                           June 30, 
                                                              ----------------------            -----------------------
                                                                1996          1995                1996           1995
                                                              --------     --------             --------       --------
<S>                                                           <C>          <C>                  <C>            <C>
NET LOSS
    Shares used in net loss per share                          $(2,367)     $(2,151)             $(4,660)       $(4,482)
    computation:

    Weighted average shares of common stock                      5,814          951                3,395            934
    outstanding:

    Shares related to Staff Accounting                               -          427                  213            427
    Bulletins Nos. 55, 64 and 83                              --------     --------             --------       --------

    Shares used in net loss per share                            5,814        1,378                3,608          1,361
    computation:                                              --------     --------             --------       --------
                                                              --------     --------             --------       --------

Net loss per share                                             $(0.41)      $(1.56)              $(1.29)        $(3.29)
                                                              --------     --------             --------       --------
                                                              --------     --------             --------       --------

CALCULATION OF SHARES OUTSTANDING FOR
COMPUTING PRO FORMA NET LOSS PER SHARE:

    Shares used in computing historical net
    loss per share (from above):                                 5,814        1,378                3,608          1,361

    Adjusted to reflect the effect of the
    assumed conversion of convertible
    preferred stock from the date of
    issuance:                                                    2,260        5,149                3,750          5,068
                                                              --------     --------             --------       --------

Shares used in computing pro forma net loss
    per share:                                                   8,074        6,527                7,358          6,429
                                                              --------     --------             --------       --------
                                                              --------     --------             --------       --------

Pro forma net loss per share                                   $(0.29)      $(0.33)              $(0.63)        $(0.70)
                                                              --------     --------             --------       --------
                                                              --------     --------             --------       --------

</TABLE>

                                         15

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             APR-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                          30,925
<SECURITIES>                                    11,407
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                42,659
<PP&E>                                           7,839
<DEPRECIATION>                                  (3,565)
<TOTAL-ASSETS>                                  47,637
<CURRENT-LIABILITIES>                            2,728
<BONDS>                                            732
                                0
                                          0
<COMMON>                                             1
<OTHER-SE>                                      44,332
<TOTAL-LIABILITY-AND-EQUITY>                    47,637
<SALES>                                              0
<TOTAL-REVENUES>                                 1,900
<CGS>                                                0
<TOTAL-COSTS>                                    2,694
<OTHER-EXPENSES>                                 1,905
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  29
<INCOME-PRETAX>                                (2,367)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (2,367)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,367)
<EPS-PRIMARY>                                   (0.41)
<EPS-DILUTED>                                   (0.41)
        

</TABLE>


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