Committee Composition

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee	R&D Committee
Brian Atwood		Compensation Committee
Kristine M. Ball	Audit Committee		Nominating and Corporate Governance Committee
Franklin Berger, CFA	Audit Committee		Nominating and Corporate Governance Committee
Stephen Brady	Audit Committee
David Lacey, MD		Compensation Committee	Nominating and Corporate Governance Committee	R&D Committee
Stacey Ma, PhD				R&D Committee
John Orwin
William Robinson, MD, PhD				R&D Committee
Lindsey Rolfe, BSc, MB ChB, MRCP, FFPM		Compensation Committee		R&D Committee
Tito A Serafini, PhD

= Chairperson = Member = Chairman of the Board