Certification of disclosure as adopted pursuant to Section 302

EX-31.1 3 dex311.htm CERTIFICATION OF DISCLOSURE AS ADOPTED PURSUANT TO SECTION 302 Certification of disclosure as adopted pursuant to Section 302

EXHIBIT 31.1

CERTIFICATION OF DISCLOSURE

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Bernard Poussot, certify that:

I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Wyeth (the “registrant”); and

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: April 30, 2009


By:		/s/ Bernard Poussot
		Bernard Poussot
		Chairman, President and
		Chief Executive Officer