ONYX PHARMACEUTICALS INC Contracts & Agreements

ONYX PHARMACEUTICALS, INC. as Issuer AND WELLS FARGO BANK, NATIONAL ASSOCIATION as Trustee SECONDSUPPLEMENTAL INDENTURE Dated as of October 1, 2013 to Indenture dated asof August... (Filed With SEC on October 1, 2013)

AGREEMENT AND PLAN OF MERGER by and among: ONYX PHARMACEUTICALS, INC., a Delaware corporation; AMGEN INC., a Delaware corporation; and ARENA ACQUISITION COMPANY, a Delaware... (Filed With SEC on August 26, 2013)

ONYX PHARMACEUTICALS, INC. EMPLOYEE STOCK PURCHASE PLAN ADOPTED MARCH 26, 1996 APPROVED BY THE STOCKHOLDERS: APRIL 30, 1996 LAST AMENDED: MARCH 26, 2013 LAST APPROVED BY THE... (Filed With SEC on May 23, 2013)

ONYX PHARMACEUTICALS, INC. 2005 EQUITY INCENTIVE PLAN ADOPTED BY THE BOARD OF DIRECTORS: APRIL 18, 2005 APPROVED BY THE STOCKHOLDERS: JUNE 1, 2005 LAST AMENDED: MARCH 26, 2013... (Filed With SEC on May 23, 2013)

ONYX PHARMACEUTICALS, INC. 2013 CASH PERFORMANCE INCENTIVE PLAN ADOPTED: MARCH 26, 2013 APPROVED BY THE STOCKHOLDERS: MAY 23, 2013 (Filed With SEC on May 23, 2013)

AMENDED AND RESTATED LICENSE, DEVELOPMENT AND COMMERCIALIZATION AGREEMENT DATED AS OF MARCH 31, 2013 BY AND AMONG ONYX PHARMACEUTICALS, INC. AND ONYX THERAPEUTICS, INC. AND ONO... (Filed With SEC on May 8, 2013)

CONTRACT MANUFACTURING AGREEMENT (Filed With SEC on February 28, 2013)

CONTRACT MANUFACTURING AGREEMENT AMONG ONYX PHARMACEUTICALS, INC., ONYX PHARMACEUTICALS INTERNATIONAL GMBH AND CAMBRIDGE MAJOR LABORATORIES, INC. CONFIDENTIAL (Filed With SEC on February 28, 2013)

TABLE OF CONTENTS (Filed With SEC on February 28, 2013)

Base Salaries for Fiscal Year 2013 and Cash Bonuses for Fiscal Year 2012 for Certain Named Executive Officers (Filed With SEC on February 11, 2013)

Onyx Pharmaceuticals, Inc. 4,400,000 Shares of Common Stock Underwriting Agreement (Filed With SEC on January 17, 2013)

In thousands, except share and pershare amounts (Filed With SEC on August 6, 2012)

DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS (Filed With SEC on May 22, 2012)

In thousands, except shareand per share amounts (Filed With SEC on May 4, 2012)

EX-101 INSTANCE DOCUMENT (Filed With SEC on February 27, 2012)

Base Salaries for Fiscal Year 2012, Cash Bonuses for Fiscal Year 2011 and 2012 Equity Compensation Awards (Filed With SEC on February 8, 2012)

Description of Document (Filed With SEC on November 18, 2011)

Description of Document (Filed With SEC on May 18, 2011)

EX-101 INSTANCE DOCUMENT (Filed With SEC on May 10, 2011)

EX-101 INSTANCE DOCUMENT (Filed With SEC on February 23, 2011)

Base Salaries for Fiscal Year 2011, Cash Bonuses for Fiscal Year 2010 and 2011 Equity Compensation Awards for Certain Named Executive Officers (Filed With SEC on February 4, 2011)

AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER (Filed With SEC on February 2, 2011)

Financial Statements (Unaudited) (Filed With SEC on November 3, 2009)

AGREEMENT AND PLAN OF MERGER (Filed With SEC on October 13, 2009)

ONYX PHARMACEUTICALS, INC. Issuer (Filed With SEC on August 12, 2009)

ONYX PHARMACEUTICALS, INC. (Filed With SEC on August 12, 2009)

[FORM OF FACE OF NOTE] (Filed With SEC on August 12, 2009)

Onyx Pharmaceuticals, Inc. (Filed With SEC on August 7, 2009)

Onyx Pharmaceuticals, Inc. 2005 Equity Incentive Plan (Filed With SEC on May 27, 2009)

In thousands (Filed With SEC on May 11, 2009)

BaseSalaries for Fiscal Year 2009, Cash Bonuses and Equity Compensation Awards for Fiscal Year 2008 2009 2008 Stock Option(1) Restricted StockName and Title Salary Bonus Grant... (Filed With SEC on March 18, 2009)

Liver Cancer (Filed With SEC on February 25, 2009)

/s/ Matthew K. Fust December 12, 2008 January 5, 2009 Accepted (signature) Date Start Date (Filed With SEC on December 23, 2008)

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers (Filed With SEC on December 5, 2008)

Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers (Filed With SEC on December 1, 2008)

By: /s/ N. Anthony Coles N. Anthony Coles President & Chief Executive Officer (Filed With SEC on June 23, 2008)

EXECUTIVE CHANGE IN CONTROL SEVERANCE BENEFITS AGREEMENT This form of Executive Change in Control Severance Benefits Agreement may be entered intobetween Onyx Pharmaceuticals,... (Filed With SEC on June 10, 2008)

Onyx Pharmaceuticals, Inc. 2005 Equity Incentive Plan (Filed With SEC on May 15, 2008)

ONYX PHARMACEUTICALS, INC. (Filed With SEC on February 26, 2008)

EXECUTIVE CHANGE IN CONTROL SEVERANCE BENEFITS AGREEMENT (Filed With SEC on February 26, 2008)

Onyx Pharmaceuticals, Inc. By: /s/ Paul Goddard Paul Goddard, Chairman Compensation Committee, Board of Directors (Filed With SEC on February 26, 2008)

Bonuses for Fiscal Year 2007 and Base Salaries for Fiscal Year 2008 for Named Executive Officers 2007 2008Name and Title Bonus Salary Hollings C. Renton Chairman of the Board,... (Filed With SEC on February 8, 2008)

ONYX PHARMACEUTICALS, INC. (Filed With SEC on May 25, 2007)

Onyx Pharmaceuticals, Inc. 2005 Equity Incentive Plan (Filed With SEC on May 25, 2007)

In thousands (Filed With SEC on May 10, 2007)

2007 Base Salaries and Fiscal Year 2006 Bonuses for Named Executive Officers Name and Title Salary Bonus Hollings C. Renton Chairman of the Board, President and Chief Executive... (Filed With SEC on March 22, 2007)

2007 Base Salaries and Fiscal Year 2006 Bonuses for Named Executive Officers Name and Title Salary Bonus Hollings C. Renton Chairman of the Board, President and Chief Executive... (Filed With SEC on March 9, 2007)

EXHIBIT 10.13(i) (Filed With SEC on March 5, 2007)

EXHIBIT 10.13(ii) (Filed With SEC on March 5, 2007)

AMENDMENT#3 TO THE AMENDED AND RESTATED RESEARCH, DEVELOPMENT AND MARKETING COLLABORATION AGREEMENT between ONYX PHARMACEUTICALS, INC. andWARNER-LAMBERT COMPANY (Filed With SEC on November 9, 2006)

COMMON STOCK PURCHASE AGREEMENT (Filed With SEC on September 29, 2006)

/s/ Gregory W. Schafer /s/ July 7, 2006 Greg Schafer Date (Filed With SEC on July 12, 2006)

Onyx Pharmaceuticals, Inc. Stock Bonus Award Grant Notice (2005 Equity Incentive Plan) (Filed With SEC on July 12, 2006)

EXHIBIT 10.1(i) (Filed With SEC on May 10, 2006)

In thousands (Filed With SEC on May 10, 2006)

/s/ Gregory W. Schafer 4 / 12 / 2006 Gregory W. Schafer Date (Filed With SEC on April 18, 2006)

2006 Base Salaries and Fiscal Year 2005 Bonuses for Named Executive Officers Name and Title Salary Bonus Hollings C. Renton Chairman of the Board,President and Chief Executive... (Filed With SEC on March 7, 2006)

Onyx Pharmaceuticals, Inc. By: /s/ Hollings C. Renton Hollings C. Renton Chairman and Chief Executive Officer Exhibit A Proprietary Information and Inventions Agreement Understood... (Filed With SEC on December 9, 2005)

Underwriting Agreement by and among Onyx Pharmaceuticals, Inc., Morgan Stanley & Co., Incorporated and Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner & Smith Incorporated,... (Filed With SEC on November 18, 2005)

In thousands (Filed With SEC on November 9, 2005)

Onyx Pharmaceuticals, Inc. 2005 Equity Incentive Plan Adoptedby the Board of Directors: April 18, 2005 Approved by theStockholders: June 1, 2005 Termination Date: April 18, 2015 (Filed With SEC on June 7, 2005)

Name and Title (Filed With SEC on March 14, 2005)

In thousands (Filed With SEC on November 9, 2004)

4,637,000 Shares ONYX PHARMACEUTICALS, INC. COMMON STOCK, PAR VALUE $0.001 PER SHARE UNDERWRITING AGREEMENT February 2, 2004 Morgan Stanley & Co. IncorporatedPiper Jaffray & Co.SG... (Filed With SEC on February 3, 2004)

AMENDED AND RESTATED RESEARCH, DEVELOPMENT AND MARKETING COLLABORATION AGREEMENT (Filed With SEC on March 25, 2003)

RESEARCH, DEVELOPMENT AND MARKETING COLLABORATION AGREEMENT (Filed With SEC on March 25, 2003)

AMENDMENT (Filed With SEC on March 25, 2003)

SECOND AMENDMENT TO THE AMENDED AND RESTATED RESEARCH, DEVELOPMENT ANDMARKETING COLLABORATION AGREEMENT BETWEEN ONYX PHARMACEUTICALS, INC., ADELAWARE CORPORATION (ONYX), and... (Filed With SEC on March 25, 2003)

SECOND AMENDMENT TO THE RESEARCH, DEVELOPMENT AND MARKETING COLLABORATIONAGREEMENT BETWEEN ONYX PHARMACEUTICALS, INC., A DELAWARE CORPORATION (ONYX),and WARNER-LAMBERT COMPANY, A... (Filed With SEC on March 25, 2003)

BETWEEN (Filed With SEC on August 13, 2002)

AMENDMENT #1 TO THE COLLABORATIONAGREEMENT BETWEEN ONYX PHARMACEUTICALS, INC. AND WARNER-LAMBERT COMPANY (Filed With SEC on November 14, 2001)

AMENDMENT#3 TO THE RESEARCH, DEVELOPMENT AND MARKETING COLLABORATION AGREEMENT BETWEEN ONYXPHARMACEUTICALS, INC. AND WARNER-LAMBERT COMPANY (Filed With SEC on November 14, 2001)

AMENDMENT#3 TO THE AMENDED AND RESTATED RESEARCH, DEVELOPMENT AND MARKETINGCOLLABORATION AGREEMENT BETWEEN ONYXPHARMACEUTICALS, INC. AND WARNER-LAMBERT COMPANY (Filed With SEC on November 14, 2001)

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ONYX PHARMACEUTICALS INC Contracts & Agreements