Exhibit 24

POWER OF ATTORNEY


		Know all men by these presents, that the undersigned hereby
constitutes and appoints each of N. Cris Prince, Elain Cleary, Andrea A.
Robinson and Mark A. Schlossberg, signing singly, the undersigned?s true
and lawful attorney in-fact to execute for and on behalf of the undersigned
Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended, and the rules thereunder, as may be required as a
result of the undersigned?s position as an officer and/or director of Amgen
Inc. (the ?Company?).

		The undersigned hereby grants to each such attorney-in-fact
 full power and authority to execute such Forms 3, 4 and 5 as fully to all
 intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying
and confirming all that such attorney-in-fact, or such attorney-in-fact?s
substitute or substitutes, shall lawfully do or cause to be done by virtue
of this power of attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned?s
responsibilities to comply with Section 16 of the Securities Exchange Act
of 1934, as amended.

		This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Forms 3, 4
and 5 with respect to the undersigned?s holdings of and transactions
in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorneys-
in-fact.

		IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 9th day of July, 2009.




							/s/ Michael A. Kelly
							Name:  Michael A. Kelly