Amgen 2009 Annual Report Download - page 118

EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Annual Report (Form 10-K) of Amgen Inc. of our re-
port dated March 1, 2010, with respect to the consolidated financial statements of Amgen Inc, included in the
2009 Annual Report to Shareholders of Amgen Inc.
Our audits also included the financial statement schedule of Amgen Inc. listed in Item 15(a). This schedule
is the responsibility of Amgen Inc.’s management. Our responsibility is to express an opinion based on our au-
dits. In our opinion, as to which the date is March 1, 2010, the financial statement schedule referred to above,
when considered in relation to the basic financial statements taken as a whole, present fairly in all material re-
spects the information set forth therein.
We consent to the incorporation by reference in the following Registration Statements:
• Registration Statement (Form S-8 No. 159377) pertaining to the Amgen Inc. 2009 Equity Incentive Plan;
• Registration Statement (Form S-8 No. 33-39183) pertaining to the Amended and Restated Employee
Stock Purchase Plan;
• Registration Statements (Form S-8 No. 33-39104, as amended by Form S-8 No. 333-144581) pertaining
to the Amended and Restated Amgen Retirement and Savings Plan (formerly known as the Amgen
Retirement and Savings Plan);
• Registration Statements (Form S-8 Nos. 33-42072 and 333-144579) pertaining to the Amgen Inc. Amend-
ed and Restated 1991 Equity Incentive Plan;
• Registration Statements (Form S-8 Nos. 33-47605 and 333-144580) pertaining to the Retirement and Sav-
ings Plan for Amgen Manufacturing, Limited (formerly known as the Retirement and Savings Plan for
Amgen Manufacturing, Inc.);
• Registration Statements (Form S-8 Nos. 333-44727, 333-62735, 333-56672 and 333-83824) pertaining to
the Amgen Inc. Amended and Restated 1997 Special Non-Officer Equity Incentive Plan (formerly known
as the Amgen Inc. 1997 Special Non-Officer Equity Incentive Plan);
• Registration Statement (Form S-3 No. 333-19931) pertaining to debt securities of Amgen Inc.;
• Registration Statement (Form S-3 No. 333-40405) pertaining to debt securities of Amgen Inc.;
• Registration Statement (Form S-3 No. 333-53929) pertaining to the Amgen Inc. 1997 Special
Non-Officer Equity Incentive Plan, the Amgen Inc. Amended and Restated 1991 Equity Incentive Plan,
the Amended and Restated 1988 Stock Option Plan of Amgen Inc. and the Amended and Restated 1987
Directors’ Stock Option Plan;
• Registration Statement (Form S-8 No. 333-81284) pertaining to the Amgen Nonqualified Deferred Com-
pensation Plan;
• Registration Statements (Form S-3 No. 333-56664 and Amendment No. 1 thereto) pertaining to the Am-
gen Inc. 1997 Special Non-Officer Equity Incentive Plan, the Amgen Inc. Amended and Restated 1991
Equity Incentive Plan;
• Registration Statement (Form S-3 No. 333-88834) pertaining to Amgen Inc.’s Liquid Yield Option™
Notes due 2032;
• Registration Statement (Form S-3 No. 333-92450 and Amendment No. 1 thereto) pertaining to Amgen
Inc.’s Common Stock;
• Registration Statement (Form S-8 No. 333-92424 and Amendment No. 1 thereto) pertaining to the Am-
gen Inc. Amended and Restated 1993 Equity Incentive Plan (formerly known as the Immunex
Corporation 1993 Stock Option Plan), the Amgen Inc. Amended and Restated 1999 Equity Incentive Plan
(formerly known as the Immunex Corporation 1999 Stock Option Plan);
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