Committee Composition

	Audit Committee	Compensation Committee	Nominating and Governance Committee
James J. Marino, J.D.	Audit Committee	Compensation Committee
Peter Atadja, Ph.D.			Nominating and Governance Committee
Trafford Clarke, Ph.D.		Compensation Committee
Jerome E. Groopman, M.D.			Nominating and Governance Committee
Viren Mehta, Pharm.D.	Audit Committee		Nominating and Governance Committee
M. Teresa Shoemaker		Compensation Committee	Nominating and Governance Committee
Jack E. Stover	Audit Committee	Compensation Committee

= Chairperson = Member = Chairman of the Board