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/ CORRECTION - Onyx Pharmaceuticals Reports Third Quarter 2012 Financial Results

Companies mentioned in this article: Onyx Pharmaceuticals, Inc.

SOUTH SAN FRANCISCO, CA -- (Marketwire) -- 11/01/12 -- In the news release "Onyx Pharmaceuticals Reports Third Quarter 2012 Financial Results," issued earlier today by Onyx Pharmaceuticals (NASDAQ: ONXX), we are advised by the company that in the fourth financial table, "RECONCILIATION OF GAAP TO NON-GAAP NET INCOME (LOSS)", the first and third figures in column one should read "$(51,834)" rather than "$51,834" and the final two figures in column one should read "$(0.79)" rather than "$0.79" as originally issued. Complete corrected text follows

Onyx Pharmaceuticals Reports Third Quarter 2012 Financial Results

Kyprolis Net Sales of $18.6 Million in Launch Quarter; Stivarga Launch Underway in U.S.

SOUTH SAN FRANCISCO, CA -- November 1, 2012 -- Onyx Pharmaceuticals, Inc. (NASDAQ: ONXX) today reported its financial results for the third quarter 2012. Onyx reported non-GAAP net loss of $51.8 million, or $0.79 per diluted share, for the third quarter of 2012 compared to non-GAAP net loss of $19.5 million, or $0.31 per diluted share, for the same period in 2011.

"Our accomplishments this quarter are unprecedented in the history of Onyx, transforming the company from having one approved therapy at the beginning of 2012 to having three approved therapies today," said N. Anthony Coles, M.D., president and chief executive officer of Onyx. "In a single quarter, we have initiated the launches of Kyprolis and Stivarga, a Bayer product that we co-promote in the United States. Both therapies represent important medical progress, where the unmet needs remain significant for advanced cancer patients."

Dr. Coles continued, "At the same time, Nexavar continues to generate cash flow and, together with Stivarga royalties and Kyprolis revenues, is expected to help offset our ongoing research and development investments. We are committed to growing the topline for all three of these innovative therapies and look forward to upcoming commercial, regulatory, and clinical milestones as we continue the momentum across our business."

On a U.S. GAAP basis, Onyx reported net income of $17.4 million, or $0.25 per diluted share, for the third quarter 2012 compared to net loss of $36.9 million, or $0.58 per diluted share, for the same period in 2011. A description of the non-GAAP calculations and reconciliation to comparable GAAP measures is provided in the accompanying table entitled "Reconciliation of GAAP to Non-GAAP Net Income (Loss)."

Revenue

Kyprolis™ (carfilzomib) for Injection net sales were $18.6 million for the third quarter of 2012, representing orders placed and received by end customers such as clinics and hospitals post approval. The U.S. Food and Drug Administration (FDA) granted accelerated approval of Kyprolis on July 20, 2012.

Nexavar® (sorafenib) tablets net sales, as recorded by Bayer, excluding Japan, were $208.2 million for the third quarter of 2012, compared to $208.7 million for the same period in 2011 as a decline in the dollar-Euro exchange rate between periods offset higher sales in various regions around the world. Revenue from the collaboration agreement was $70.7 million for the third quarter of 2012, a decrease of 6% compared to $75.0 million for the same period in 2011. Onyx's share of collaboration commercial profit was $66.4 million in the third quarter 2012, compared to $65.7 million in the same period in 2011. Commercial margin increased to 64% for the third quarter 2012 compared to 63% for the third quarter of 2011. Onyx and Bayer are marketing and developing Nexavar, an anticancer therapy currently approved for the treatment of unresectable liver cancer and advanced kidney cancer in over 100 countries.

Stivarga® (regorafenib) tablets royalty revenue was $0.1 million for the third quarter 2012, following marketing approval by the FDA on September 27, 2012. Onyx receives a 20% royalty on Bayer's global net sales of Stivarga in oncology.

Operating Expenses

Cost of goods sold were $0.5 million for the third quarter of 2012. Costs of goods sold and gross margin related to sales of Kyprolis are not representative of Onyx's expectations of costs of goods sold or gross margin, because most costs associated with third quarter Kyprolis sales were charged to research and development expense in periods prior to approval.

Non-GAAP research and development expenses were $83.3 million for the third quarter 2012, compared to $56.5 million for the same period in 2011. Higher non-GAAP research and development expenses between periods were primarily due to increased investments in Kyprolis development, particularly the Phase 3 ASPIRE, FOCUS, and ENDEAVOR trials, continued support of smaller Kyprolis trials and expensing commercial supply that was manufactured prior to the U.S. approval and launch of Kyprolis. On a GAAP basis, research and development expenses were $85.7 million for the third quarter 2012, compared to $58.5 million for the same period in 2011.

Non-GAAP selling, general and administrative expenses were $55.3 million for the third quarter 2012, compared to $36.0 million for the same period in 2011. Higher non-GAAP selling, general and administrative expenses between periods were primarily due to investment in commercial infrastructure and associated support to prepare for the U.S. launch of Kyprolis. On a GAAP basis, selling, general and administrative expenses were $61.7 million for the third quarter 2012, compared to $42.6 million for the same period in 2011.

Amortization expense for acquired intangible assets of $4.1 million for the third quarter of 2012 reflects the initiation of amortization of a portion of the in-process research and development intangible asset, which was acquired in the 2009 acquisition of Proteolix, Inc. following the U.S. approval of Kyprolis.

Provision for Income Taxes

Provision for income taxes for the quarter ending September 30, 2012 primarily consists of a $95.8 million non-cash tax benefit to recognize a change in the net deferred tax balance resulting from the U.S. approval of Kyprolis.

Cash, Cash Equivalents and Marketable Securities

On September 30, 2012, cash, cash equivalents, and current and non-current marketable securities were $573.0 million, compared to $668.4 million at December 31, 2011. This decrease was largely due to investments in Kyprolis development and commercialization, partly offset by revenue from the Bayer collaboration.

Nine-Month Results

Nexavar net sales as recorded by Bayer, excluding Japan, were $632.4 million and $608.5 million for the nine months ended September 30, 2012 and 2011, respectively. Revenue from the collaboration agreement was $215.5 million and $210.1 million for the nine months ended September 30, 2012 and 2011, respectively. Non-GAAP net loss for the nine months ended September 30, 2012 was $138.9 million, or $2.16 per diluted share, compared to $60.9 million, or $0.96 per diluted share for the same period in 2011. For the nine months ended September 30, 2012, on a GAAP basis Onyx recorded net loss of $144.9 million, or $2.25 per diluted share, compared with net loss of $140.6 million, or $2.22 per diluted share, for the same period in 2011.

Non-GAAP Financial Measures

This press release includes the following non-GAAP financial measures: non-GAAP net loss, non-GAAP net loss - diluted, non-GAAP net loss per share, non-GAAP net loss per share - diluted, non-GAAP research and development and non-GAAP selling, general and administrative. The following tables reconcile these non-GAAP measures to the most comparable financial measures calculated in accordance with GAAP.

Onyx management uses these non-GAAP financial measures to monitor and evaluate our operating results and trends on an on-going basis and internally for operating, budgeting and financial planning purposes. Onyx management believes the non-GAAP information is useful for investors by offering them the ability to better identify trends in our business and better understand how management evaluates the business. These non-GAAP measures have limitations, however, because they do not include all items of income and expense that affect Onyx. These non-GAAP financial measures that management uses are not prepared in accordance with, and should not be considered in isolation of, or as an alternative to, measurements required by GAAP. A description of the non-GAAP calculations and reconciliation to comparable GAAP measures is provided in the accompanying table entitled "Reconciliation of GAAP to Non-GAAP Net Income (Loss)."

Non-GAAP operating expenses exclude stock-based employee compensation expense, the write-off of certain research and development expenses, contingent consideration expense, imputed interest related to the convertible senior note due 2016, equity investment impairment, impact of the S*BIO termination, lease termination exit costs, amortization of acquired intangibles and related tax impact of this amortization.

Recent Clinical Development and Regulatory Highlights

Proteasome Inhibitor Franchise

  • In October 2012, Onyx completed enrollment in the FOCUS trial, an international Phase 3 clinical trial evaluating single-agent Kyprolis in patients with relapsed and refractory myeloma who have received three or more prior therapies. The FOCUS trial is designed to support regulatory approvals around the world.
  • In July 2012, the U.S. FDA granted accelerated approval of Kyprolis™ (carfilzomib) for Injection for the treatment of patients with multiple myeloma who have received at least two prior therapies, including bortezomib and an immunomodulatory agent, and have demonstrated disease progression on or within 60 days of completion of the last therapy. The indication for Kyprolis is based on response rate. Currently, no data are available for Kyprolis that demonstrate an improvement in progression-free survival or overall survival. For full prescribing information, visit http://www.kyprolis.com.
  • In July 2012, Onyx initiated the ENDEAVOR trial, a Phase 3 trial evaluating Kyprolis in combination with dexamethasone, versus bortezomib (Velcade®) with dexamethasone in patients with relapsed multiple myeloma. ENDEAVOR is the first of two head-to-head trials planned by Onyx.
  • In July 2012, Blood, the medical journal of the American Society of Hematology, published results from the 003-A1 Phase 2b trial, a single-arm, multicenter clinical trial evaluating Kyprolis for the treatment of patients with advanced multiple myeloma, who had received a median of five prior anti-myeloma regimens.

Kinase Inhibitor Franchise

  • In September 2012, the U.S. Food and Drug Administration (FDA) approved Bayer's Stivarga® (regorafenib) tablets for the treatment of patients with metastatic colorectal cancer (mCRC) who have been previously treated with currently available therapies (including fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy, an anti-VEGF therapy, and, if KRAS wild type, an anti-EGFR therapy). The approval of Stivarga is based on results from the pivotal Phase 3 study (CORRECT) that demonstrated improvement in overall survival (OS) and progression-free survival (PFS) compared to placebo in patients with mCRC whose disease had progressed after approved standard therapies. For full prescribing information, visit http://www.stivarga-us.com.
  • In September 2012, the Japanese Ministry of Health, Labor and Welfare (MHLW) granted priority review to Bayer's New Drug Application (NDA) for regorafenib for the treatment of patients with unresectable, advanced/recurrent CRC.
  • In October 2012, the U.S. FDA granted priority review to Bayer's supplemental NDA (sNDA) for regorafenib for the treatment of metastatic and/or unresectable gastrointestinal stromal tumors (GIST) in patients whose disease has progressed despite prior treatment. The sNDA was submitted in August 2012 with the FDA.

Management Conference Call Today

Onyx will host a webcast and conference call with management to discuss third quarter 2012 financial results, as well as provide a general business overview, today at 4:30 p.m. Eastern Time (1:30 p.m. Pacific Time).

To access a live audio webcast of the conference call, log onto the company's website at: http://www.onyx.com/investors/event-calendar

To access the live conference call, dial 847-585-4405 and use the passcode 33476074#. A replay of the call will be available on the Onyx website or by dialing 630-652-3042 and using the passcode 33476074# approximately one hour after the teleconference concludes through November 15, 2012.

About Nexavar® (sorafenib) tablets
Nexavar is approved in the U.S. for the treatment of patients with unresectable hepatocellular carcinoma and for the treatment of patients with advanced renal cell carcinoma.

For information about Nexavar including U.S. Nexavar prescribing information, visit www.nexavar.com or call 1.866.NEXAVAR (1.866.639.2827).

About Kyprolis (carfilzomib) for Injection
On July 20, 2012, the U.S. Food and Drug Administration (FDA) granted accelerated approval of Kyprolis™ (carfilzomib) for Injection for the treatment of patients with multiple myeloma who have received at least two prior therapies including bortezomib and an immunomodulatory agent (IMiD), and have demonstrated disease progression on or within 60 days of completion of the last therapy. Approval was based on response rate. Clinical benefit, such as improvement in survival or symptoms, has not been verified.

Full prescribing information is available at http://www.kyprolis.com.

About Stivarga® (regorafenib) tablets
Stivarga is approved in the U.S. for the treatment of patients with mCRC who have been previously treated with fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy, an anti-VEGF therapy, and, if KRAS wild type, an anti-EGFR therapy. For full prescribing information, visit www.stivarga-us.com.

Important Safety Information for Stivarga® (regorafenib) tablets

WARNING: HEPATOTOXICITY: Severe and sometimes fatal hepatotoxicity has been observed in clinical trials. Monitor hepatic function prior to and during treatment. Interrupt and then reduce or discontinue Stivarga for hepatotoxicity as manifested by elevated liver function tests or hepatocellular necrosis, depending upon severity and persistence.

About Onyx Pharmaceuticals, Inc.
Based in South San Francisco, California, Onyx Pharmaceuticals, Inc. is a global biopharmaceutical company engaged in the development and commercialization of innovative therapies for improving the lives of people with cancer. The company is focused on developing novel medicines that target key molecular pathways. For more information about Onyx, visit the company's website at www.onyx.com.

Forward-Looking Statements
This news release contains "forward-looking statements" of Onyx within the meaning of the federal securities laws. These forward-looking statements include, without limitation, statements regarding our expected financial results for 2012, investments in and launch of Kyprolis and our oral proteasome inhibitor oprozomib, generation of cash flows from sales of Nexavar, commercial, regulatory, and clinical milestones, royalties on Bayer's global net sales and development of Stivarga, promotion of Stivarga in the U.S., overall costs or gross margin from sales of Kyprolis and our future clinical trials. These statements are subject to risks and uncertainties that could cause actual results and events to differ materially from those anticipated, including, but not limited to, risks and uncertainties related to: Nexavar® (sorafenib) tablets, Kyprolis™ (carfilzomib) for Injection and Stivarga® (regorafenib) tablets being the only approved products from which we may obtain revenue; competition; failures or delays in our clinical trials or the regulatory process; dependence on our collaborative relationship with Bayer; supply of Nexavar, Stivarga or Kyprolis; market acceptance and the rate of adoption of Nexavar, Stivarga and Kyprolis; pharmaceutical pricing and reimbursement pressures; serious adverse side effects, if they are associated with Nexavar, Stivarga or Kyprolis; government regulation; possible failure to realize the anticipated benefits of business acquisitions or strategic investments; protection of our intellectual property; the indebtedness incurred through the sale of our 4.0% convertible senior notes due 2016; and product liability risks. Reference should be made to Onyx's Annual Report on Form 10-K for the year ended December 31, 2011 filed with the Securities and Exchange Commission, as updated by Onyx's subsequent Quarterly Reports on Form 10-Q, under the heading "Risk Factors" for a more detailed description of these and other risks. Readers are cautioned not to place undue reliance on these forward-looking statements that speak only as of the date of this release. Onyx undertakes no obligation to update publicly any forward-looking statements to reflect new information, events, or circumstances after the date of this release except as required by law.

Kyprolis™ (carfilzomib) for Injection
Nexavar® (sorafenib) tablets is a registered trademark of Bayer HealthCare Pharmaceuticals, Inc.
Stivarga® (regorafenib) is a Bayer compound being developed by Bayer. Onyx receives a 20% royalty on global net sales in human oncology. Bayer and Onyx are jointly promoting Stivarga in the U.S.


                         ONYX PHARMACEUTICALS, INC.
            RECONCILIATION OF GAAP TO NON-GAAP NET INCOME (LOSS)
                  (In thousands, except per share amounts)
                                (unaudited)

                      Three Months Ended            Three Months Ended
                      September 30, 2012            September 30, 2011
                ----------------------------- -----------------------------
                         Adjust-                       Adjust-
                  GAAP    ments      Non-GAAP   GAAP    ments      Non-GAAP
                -------- --------    -------- -------- --------    --------
Revenue:
 Revenue from
  collaboration
  agreement     $ 70,744 $      -    $ 70,744 $ 75,041 $      -    $ 75,041
 Product
  revenue         18,636        -      18,636        -        -           -
 Royalty
  revenue            131        -         131        -        -           -
                -------- --------    -------- -------- --------    --------
  Total
   operating
   revenue        89,511        -      89,511   75,041        -      75,041
Operating
 expenses:
 Cost of goods
  sold
  (excluding
  amortization
  of certain
  acquired
  intangible
  assets)            496        -         496        -        -           -
 Research and
  development     85,667   (2,394)(a)  83,273   58,532   (1,988)(a)  56,544
 Selling,
  general and
  administrative  61,747   (6,412)(b)  55,335   42,642   (6,685)(b)  35,957
 Contingent
  consideration    9,843   (9,843)(c)       -    5,945   (5,945)(c)       -
 Amortization
  of acquired
  intangible
  assets           4,110   (4,110)(d)       -        -        -           -
 Lease
  termination
  exit costs           -        -           -      130     (130)(g)       -
                -------- --------    -------- -------- --------    --------
  Total
   operating
   expenses      161,863  (22,759)    139,104  107,249  (14,748)     92,501
                -------- --------    -------- -------- --------    --------
Income (loss)
 from
 operations      (72,352)  22,759     (49,593) (32,208)  14,748     (17,460)
Investment
 income              625        -         625      435        -         435
Interest
 expense          (5,456)   2,921 (e)  (2,535)  (5,112)   2,643 (e)  (2,469)
Other income
 (expense)        (1,194)     866 (f)    (328)      25        - (f)      25
                -------- --------    -------- -------- --------    --------
Loss before
 provision
 (benefit) for
 income taxes    (78,377)  26,546     (51,831) (36,860)  17,391     (19,469)
Provision
 (benefit) for
 income taxes    (95,773)  95,776 (h)       3        -        -           -
                -------- --------    -------- -------- --------    --------
Net income
 (loss)         $ 17,396 $(69,230)   $(51,834)$(36,860)$ 17,391    $(19,469)
                ======== ========    ======== ======== ========    ========

Net income
 (loss) per
 share:
 Basic          $   0.26          (i)$  (0.79)$  (0.58)         (i)$  (0.31)
                ========             ======== ========             ========
 Diluted (1)    $   0.25             $  (0.79)$  (0.58)            $  (0.31)
                ========             ======== ========             ========

Computation of
 diluted
 shares:
 Basic            65,831               65,831   63,555               63,555
 Dilutive
  effect of
  options          2,632                    -        -                    -
                --------             -------- --------             --------
  Diluted (1)     68,463               65,831   63,555               63,555
                ========             ======== ========             ========

(1) Under the "if-converted" method, interest and issuance costs and potential common shares related to the Company's convertible senior notes were excluded in the computation of diluted per share amounts for the three months ended September 30, 2012 and 2011 because their effect would be anti-dilutive.


                         ONYX PHARMACEUTICALS, INC.
            RECONCILIATION OF GAAP TO NON-GAAP NET INCOME (LOSS)
                  (In thousands, except per share amounts)
                                (unaudited)

                    Nine Months Ended               Nine Months Ended
                    September 30, 2012             September 30, 2011
             ------------------------------- ------------------------------
                       Adjust-                         Adjust-
                GAAP    ments       Non-GAAP    GAAP    ments      Non-GAAP
             --------- --------    --------- --------- --------    --------
Revenue:
 Revenue from
  collabora-
  tion
  agreement  $ 215,479 $      -    $ 215,479 $ 210,142 $      -    $210,142
 Product
  revenue       18,636        -       18,636         -        -           -
 Royalty
  revenue          131        -          131         -        -           -
             --------- --------    --------- --------- --------    --------
  Total
   operating
   revenue     234,246        -      234,246   210,142        -     210,142
Operating
 expenses:
 Cost of
  goods sold
  (excluding
  amortization
  of certain
  acquired
  intangible
  assets)          496        -          496         -        -           -
 Research and
  development  242,683   (7,042)(a)  235,641   184,071  (17,474)(a) 166,597
 Selling,
  general and
  administra-
  tive         149,598  (19,456)(b)  130,142   115,349  (17,565)(b)  97,784
 Contingent
  considera-
  tion          66,235  (66,235)(c)        -    23,195  (23,195)(c)       -
 Amortization
  of acquired
  intangible
  assets         4,110   (4,110)(d)        -         -        -           -
 Lease
  termination
  exit costs         -        -            -    10,857  (10,857)(g)       -
             --------- --------    --------- --------- --------    --------
  Total
   operating
   expenses    463,122  (96,843)     366,279   333,472  (69,091)    264,381
             --------- --------    --------- --------- --------    --------
Income (loss)
 from
 operations   (228,876)  96,843     (132,033) (123,330)  69,091     (54,239)
Investment
 income          2,002        -        2,002     1,728        -       1,728
Interest
 expense       (16,126)   8,502 (e)   (7,624)  (15,155)   7,587 (e)  (7,568)
Other income
 (expense)       2,365   (3,596)(f)   (1,231)   (3,776)   3,000 (f)    (776)
             --------- --------    --------- --------- --------    --------
Loss before
 provision
 (benefit)
 for income
 taxes        (240,635) 101,749     (138,886) (140,533)  79,678     (60,855)
Provision
 (benefit)
 for income
 taxes         (95,769)  95,776 (h)        7        32        -          32
             --------- --------    --------- --------- --------    --------
Net income
 (loss)      $(144,866)$  5,973    $(138,893)$(140,565)$ 79,678    $(60,887)
             ========= ========    ========= ========= ========    ========

Net income
 (loss) per
 share:
 Basic and
  Diluted (2)$   (2.25)         (i)$   (2.16)$   (2.22)         (i)$  (0.96)
             =========             ========= =========             ========

Computation
 of diluted
 shares:
 Basic and
  Diluted (2)   64,362                64,362    63,328               63,328
             =========             ========= =========             ========

(2) Under the "if-converted" method, interest and issuance costs and potential common shares related to the Company's convertible senior notes were excluded in the computation of diluted per share amounts for the nine months ended September 30, 2012 and 2011 because their effect would be anti-dilutive.



                         ONYX PHARMACEUTICALS, INC.
            RECONCILIATION OF GAAP TO NON-GAAP NET INCOME (LOSS)
                  (In thousands, except per share amounts)
                                (unaudited)

                                  Three Months Ended     Nine Months Ended
                                     September 30,         September 30,
                                 --------------------  --------------------
                                    2012       2011       2012       2011
                                 ---------  ---------  ---------  ---------

(a) Adjustments to research and
 development expenses:
  Employee stock based
   compensation (3)              $  (2,394) $  (1,988) $  (7,042) $  (4,808)
  Non-cash expense related to
   the unamortized balance of
   funding provided to S*Bio (4)         -          -          -    (12,666)
                                 ---------  ---------  ---------  ---------
  Total adjustment to research
   and development expenses      $  (2,394) $  (1,988) $  (7,042) $ (17,474)
                                 =========  =========  =========  =========

(b) Adjustments to selling,
 general and administrative
 expenses:
  Employee stock based
   compensation (3)              $  (6,412) $  (6,685) $ (19,456) $ (17,565)

(c) Adjustments to contingent
 consideration expense
  The effects of contingent
   consideration expense are
   excluded due to the nature of
   this charge, which is related
   to the change in the fair
   value of the liability for
   contingent consideration in
   connection with the
   acquisition of Proteolix;
   such exclusion facilitates
   comparisons of Onyx's
   operating results to peer
   companies.                    $  (9,843) $  (5,945) $ (66,235) $ (23,195)

(d) Adjustments to amortization
 of certain acquired intangible
 assets
  The effects of amortization of
   certain acquired intangible
   assets are excluded because
   this expense is non-cash;
   such exclusion facilitates
   comparisons of Onyx's
   operating results to peer
   companies.                    $  (4,110) $       -  $  (4,110) $       -

(e) Adjustments to interest
 expense
  The effect of imputed interest
   related to the convertible
   senior notes due 2016 are
   excluded because this expense
   is non-cash; such exclusion
   facilitates comparison of
   Onyx's operating results to
   peer companies.               $  (2,921) $  (2,643) $  (8,502) $  (7,587)

(f) Adjustments to other income
 (expenses)
  Impairment of equity
   investment in S*BIO           $    (500) $       -  $    (500) $  (3,000)
  Proceeds received pursuant to
   the sale of JAK2 inhibitors
   by S*BIO                           (366)         -      4,096          -
                                 ---------  ---------  ---------  ---------
  Total adjustment to other
   income (expenses)             $    (866) $       -  $   3,596  $  (3,000)
                                 =========  =========  =========  =========

(g) Adjustments to lease
 termination exit costs
  Non-cash expense related to
   Onyx's exit from facilities
   it previously occupied in
   Emeryville and in South San
   Francisco, California.        $       -  $    (130) $       -  $ (10,857)

(h) Adjustments to provision
 (benefit) to income taxes
  Non-cash tax related effect on
   certain acquired intangible
   assets                        $  95,776  $       -  $  95,776  $       -

(3) The effects of employee stock-based compensation are excluded because of varying available valuation methodologies, subjective assumptions and the variety of award types; such exclusion facilitates comparison of Onyx's operating results to peer companies.

(4) The effects of the termination of the S*BIO collaboration argeement are excluded because they do not relate to the normal and recurring transactions of Onyx's business; such exclusions allow for a better presentation of the ongoing economics of the business, facilitates comparison to peer companies and is reflective of how Onyx's management internally manages the business.



                         ONYX PHARMACEUTICALS, INC.
            RECONCILIATION OF GAAP TO NON-GAAP NET INCOME (LOSS)
                  (In thousands, except per share amounts)
                                (unaudited)

(i) The following table represents the computation of GAAP and Non-GAAP
 diluted EPS:

                                   Three Months Ended    Nine Months Ended
                                     September 30,         September 30,
                                  -------------------  --------------------
                                     2012      2011       2012       2011
                                  --------- ---------  ---------  ---------
Computation of non-GAAP diluted
 net income (loss)
                                  --------- ---------  ---------  ---------
Non-GAAP net income (loss)        $ (51,834)$ (19,469) $(138,893) $ (60,887)
                                  ========= =========  =========  =========
Add:
  Interest and issuance costs
   related to dilutive
   convertible senior notes (5)           -         -          -          -
                                  --------- ---------  ---------  ---------
    Non-GAAP net income (loss) -
     diluted                      $ (51,834)$ (19,469) $(138,893) $ (60,887)
                                  ========= =========  =========  =========

Computation of non-GAAP diluted
 shares
  Basic shares                       65,831    63,555     64,362     63,328
  Dilutive effect of convertible
   senior notes (5)                       -         -          -          -
                                  --------- ---------  ---------  ---------
    Non-GAAP diluted shares          65,831    63,555     64,362     63,328
                                  ========= =========  =========  =========

Non-GAAP net income (loss) per
 share                            $   (0.79)$   (0.31) $   (2.16) $   (0.96)
Non-GAAP net income (loss) per
 share - diluted                  $   (0.79)$   (0.31) $   (2.16) $   (0.96)

(5) Under the "if-converted" method, interest and issuance costs and potential common shares related to the Company's convertible senior notes were excluded from non-GAAP diluted per share amounts for the three months and nine months ended September 30, 2012 and 2011, because their effect would be anti-dilutive.



                         ONYX PHARMACEUTICALS, INC.
             CALCULATION OF REVENUE FROM COLLABORATION AGREEMENT
                          (In thousands, unaudited)

                                      Three Months Ended  Nine Months Ended
                                        September 30,       September 30,
                                     ------------------- -------------------
                                        2012      2011      2012      2011
                                     --------- --------- --------- ---------
Nexavar product revenue, net (as
 recorded by Bayer)                  $ 248,353 $ 250,340 $ 742,808 $ 731,472
                                     ========= ========= ========= =========

Nexavar revenue subject to profit
 sharing (as recorded by Bayer)      $ 208,225 $ 208,683 $ 632,383 $ 608,453
Combined cost of goods sold,
 distribution, selling, general and
 administrative expenses                75,405    77,234   234,354   240,774
                                     --------- --------- --------- ---------
Combined collaboration commercial
 profit                              $ 132,820 $ 131,449 $ 398,029 $ 367,679
                                     ========= ========= ========= =========

Onyx's share of collaboration
 commercial profit                   $  66,410 $  65,725 $ 199,015 $ 183,840
Reimbursement of Onyx's shared
 marketing expenses                      4,334     6,400    16,465    17,691
Royalty revenue                              -     2,916         -     8,611
                                     --------- --------- --------- ---------
Revenue from collaboration agreement $  70,744 $  75,041 $ 215,480 $ 210,142
                                     ========= ========= ========= =========


                         ONYX PHARMACEUTICALS, INC.
                    CONDENSED CONSOLIDATED BALANCE SHEETS
                               (In thousands)

                                                 September 30,  December 31,
                                                      2012          2011
                                                  (unaudited)       (6)
                                                 ------------- -------------
Assets
Cash, cash equivalents and current marketable
 securities                                      $     554,792 $     646,343
Accounts receivable, net                                25,448             -
Other current assets                                    92,968        85,506
                                                 ------------- -------------
Total current assets                                   673,208       731,849
Marketable securities, non-current                      18,239        22,102
Property and equipment, net                             48,673        19,734
Intangible assets, net                                 434,690       438,800
Goodwill                                               193,675       193,675
Other assets                                             7,878         5,564
                                                 ------------- -------------
Total assets                                     $   1,376,363 $   1,411,724
                                                 ============= =============

Liabilities and stockholders' equity
Current liabilities                              $     114,775 $     111,792
Convertible senior notes due 2016                      171,395       162,893
Liability for contingent consideration, non-
 current                                               146,225       137,816
Deferred tax liability                                  64,023       149,413
Other long-term liabilities                             49,302        26,397
Stockholders' equity                                   830,643       823,413
                                                 ------------- -------------
Total liabilities and stockholders' equity       $   1,376,363 $   1,411,724
                                                 ============= =============

(6) Derived from the audited financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011.


Contact:

Contacts:
Media / Investors
Julianna Wood
Vice President, Public Affairs
(650) 266-2505

Investors
Amy Figueroa, CFA
Senior Director, Investor Relations
(650) 266-2398