Committee Composition

	Independent Director	Audit	Nominating and Governance	Compensation
J. Kevin Buchi	Independent Director	Audit
Stephen Doberstein, Ph.D.	Independent Director		Nominating and Governance
Martin Freed, M.D.	Independent Director		Nominating and Governance
Patrick Gray	Independent Director	Audit
Stephen J. Hoffman, M.D., Ph.D.	Independent Director	Audit
Adam M. Koppel M.D., Ph.D.	Independent Director			Compensation
Marc Kozin	Independent Director			Compensation
Anna Protopapas	Independent Director			Compensation
Cynthia Smith	Independent Director		Nominating and Governance

= Independent Director = Chairperson = Member