Type	Name	Date
Credit agreement	Third Amended and Restated Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	03/09/2023
Credit agreement	Third Amended and Restated Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	03/09/2023
Credit agreement	Term Loan Credit Agreement, by and among Amgen Inc., Citibank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, Citibank, N.A., Bank of America, N.A., Goldman Sachs Bank USA and Mizuho Bank, Ltd., as lead arrangers and book runners, Goldman Sachs Bank USA and Mizuho Bank, Ltd. as documentation agents, and the other banks party thereto	12/22/2022
Credit agreement	Term Loan Credit Agreement, by and among Amgen Inc., Citibank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, Citibank, N.A., Bank of America, N.A., Goldman Sachs Bank USA and Mizuho Bank, Ltd., as lead arrangers and book runners, Goldman Sachs Bank USA and Mizuho Bank, Ltd. as documentation agents, and the other banks party thereto	12/22/2022
Credit agreement	Bridge Credit Agreement, by and among Amgen Inc., Citibank, N.A., as administrative agent, Bank of America, N.A., as syndication agent, Citibank, N.A. and Bank of America, N.A., as lead arrangers and book runners, and the other banks party thereto	12/12/2022
Credit agreement	Second Amended and Restated Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	12/12/2019
Credit agreement	Second Amended and Restated Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	12/12/2019
Underwriting agreement	Underwriting Agreement, by and among the Company and J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC and BNP Paribas Securities Corp., as representatives of the several underwriters named therein	11/02/2017
Credit agreement	Amended and Restated Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	07/30/2014
Indenture	Indenture, between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee	05/22/2014
Credit agreement	Credit Agreement, among Amgen Inc., the Banks therein named, Citibank, N.A., as Issuing Bank and as Administrative Agent, and JPMorgan Chase Bank, N.A., as Syndication Agent	12/05/2011
Underwriting agreement	Underwriting Agreement, by and among the Company and Merrill Lynch, Pierce, Fenner & Smith Incorporated and Morgan Stanley & Co. LLC, as representatives of the several underwriters named therein	11/10/2011

Type	Name	Date
By-Laws	Amended and Restated Bylaws of Amgen Inc	10/07/2009

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, among ChemoCentryx, Inc., Amgen Inc. and Carnation Merger Sub, Inc	08/04/2022
Merger agreement	Agreement and Plan of Merger, by and among Amgen Inc., Franklin Acquisition Sub, Inc. and Five Prime Therapeutics, Inc	03/04/2021
Merger agreement	Agreement and Plan of Merger, by and among Amgen Inc., Arena Acquisition Company and Onyx Pharmaceuticals, Inc	08/26/2013
Merger agreement	Agreement and Plan of Merger, by and among Amgen Inc., Armstrong Acquisition Corp. and Micromet, Inc	01/26/2012