Committee Composition

Audit Committee Compensation Committee Nominating and Corporate Governance Committee
Edgar Engleman, M.D.
James Healy, M.D., Ph.D. Nominating and Corporate Governance Committee
Ashish Khanna, Ph.D. Audit Committee Compensation Committee
Kathleen LaPorte Audit Committee
Richard A. Miller, M.D. Compensation Committee Nominating and Corporate Governance Committee
Peter Moldt, Ph.D. Compensation Committee
Randall C. Schatzman, Ph.D.
Mahendra G. Shah, Ph.D. Audit Committee Nominating and Corporate Governance Committee
= Chairperson = Member = Financial Expert