Committee Composition

	Audit Committee	Compensation Committee	Nominating & Corporate Governance Committee
Robert Carey	Audit Committee
Stephen Dilly, M.B.B.S., Ph.D.	Audit Committee		Nominating & Corporate Governance Committee
John Markels, PH.D.			Nominating & Corporate Governance Committee
James R. Meyers		Compensation Committee
H. Stewart Parker			Nominating & Corporate Governance Committee
Saira Ramasastry	Audit Committee
Karen Smith, MD, PhD, MBA		Compensation Committee
Joseph S. Zakrzewski		Compensation Committee

= Chairperson = Member = Chairman of the Board