Corporate Governance

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee	Research and Development Committee
Suzanne Bruhn, Ph.D.	Audit Committee	Compensation Committee
Gayle Crowell	Audit Committee		Nominating and Corporate Governance Committee
John Curnutte, M.D., Ph.D.		Compensation Committee		Research and Development Committee
Neil Exter		Compensation Committee
Charles Homcy, M.D.			Nominating and Corporate Governance Committee	Research and Development Committee
Hoyoung Huh, M.D., Ph.D.			Nominating and Corporate Governance Committee
Smital Shah	Audit Committee