Committee Composition

	Independent Director	Audit Committee	Corporate Governance and Nominating Committee	Executive Compensation and Human Resources Committee
Daniel Burgess	Independent Director	Audit Committee	Corporate Governance and Nominating Committee
Richard C. Henriques	Independent Director	Audit Committee		Executive Compensation and Human Resources Committee
Keith Manchester MD	Independent Director		Corporate Governance and Nominating Committee
Myrtle Potter	Independent Director			Executive Compensation and Human Resources Committee
James Meyers	Independent Director	Audit Committee	Corporate Governance and Nominating Committee	Executive Compensation and Human Resources Committee
Andrew Cheng MD., PhD.	Independent Director			Executive Compensation and Human Resources Committee

= Independent Director = Chairperson = Member