| (1) | | Registration Statement (Form S-3 No. 333-143825) of Onyx Pharmaceuticals, Inc., |
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| (2) | | Registration Statement (Form S-3 No. 333-33322) of Onyx Pharmaceuticals, Inc., |
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| (3) | | Registration Statement (Form S-8 No. 333-159496) pertaining to the 2005 Equity Incentive Plan of Onyx Pharmaceuticals, Inc., |
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| (4) | | Registration Statement (Form S-8 No. 333-150928) pertaining to the 2005 Equity Incentive Plan of Onyx Pharmaceuticals, Inc., |
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| (5) | | Registration Statement (Form S-8 No. 333-143309) pertaining to the 2005 Equity Incentive Plan and the 1996 Employee Stock Purchase Plan of Onyx Pharmaceuticals, Inc., |
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| (6) | | Registration Statement (Form S-8 No. 333-134567) pertaining to the 1996 Employee Stock Purchase Plan of Onyx Pharmaceuticals, Inc., |
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| (7) | | Registration Statement (Form S-8 No. 333-126089) pertaining to the 2005 Equity Incentive Plan, 1996 Equity Incentive Plan, and the 1996 Non-Employee Directors’ Stock Option Plan of Onyx Pharmaceuticals, Inc., |
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| (8) | | Registration Statement (Form S-8 No. 333-120324) pertaining to the 1996 Equity Incentive Plan of Onyx Pharmaceuticals, Inc., |
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| (9) | | Registration Statement (Form S-8 No. 333-110469) pertaining to the 1996 Equity Incentive Plan and the 1996 Non-Employee Directors’ Plan of Onyx Pharmaceuticals, Inc., |
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| (10) | | Registration Statement (Form S-8 No. 333-96895) pertaining to the 1996 Equity Incentive Plan and the 1996 Employee Stock Purchase Plan of Onyx Pharmaceuticals, Inc., |
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| (11) | | Registration Statement (Form S-8 No. 333-64706) pertaining to the 1996 Equity Incentive Plan and the 1996 Non-Employee Directors’ Stock Option Plan of Onyx Pharmaceuticals, Inc., |
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| (12) | | Registration Statement (Form S-8 No. 333-48146) pertaining to the 1996 Equity Incentive Plan, the 1996 Non-Employee Directors’ Stock Option Plan and the Employee Stock Purchase Plan of Onyx Pharmaceuticals, Inc., |
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| (13) | | Registration Statement (Form S-8 No. 333-84113) pertaining to the 1996 Equity Incentive Plan of Onyx Pharmaceuticals, Inc., |
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| (14) | | Registration Statement (Form S-8 No. 333-60805) pertaining to the 1996 Equity Incentive Plan and the 1996 Employee Stock Purchase Plan of Onyx Pharmaceuticals, Inc., |
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| (15) | | Registration Statement (Form S-8 No. 333-34681) pertaining to the 1996 Equity Incentive Plan, as amended, of Onyx Pharmaceuticals, Inc., and |
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| (16) | | Registration Statement (Form S-8 No. 333-04839) pertaining to the 1996 Equity Incentive Plan, the 1996 Employee Stock Purchase Plan, and the 1996 Non-Employee Directors’ Stock Option Plan of Onyx Pharmaceuticals, Inc. |
