Committee Composition

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Julianne Bruno	Audit Committee	Compensation Committee
Chris Cain, Ph.D.		Compensation Committee	Nominating and Corporate Governance Committee
Peter Harwin			Nominating and Corporate Governance Committee
Michael Landsittel	Audit Committee		Nominating and Corporate Governance Committee
Cameron Turtle, D.Phil.	Audit Committee

= Chairperson = Member