Committee Composition

Empty Heading	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Richard Prins Lead Independent Director
Michael A. Zasloff, M.D., Ph.D. Director
Howard Lee, Ph.D. Director
Diane G. Gerst, B.A Director
Floyd F. Petersen, M.P.H. Director
Gayle M. Deflin, M.B.A. Director

= Chairperson

= Member

= Lead Independent Director