Committee Composition

Audit Committee Compensation Committee Nominating and Corporate Governance Committee
Tillman U. Gerngross, Ph.D.
Paula Hammond Ph.D. Compensation Committee
Louis J. Lavigne, Jr. Audit Committee Compensation Committee
Terry McGuire Audit Committee Nominating and Corporate Governance Committee
Arnon Rosenthal, Ph.D.
Richard H. Scheller, Ph.D.
David Wehner Audit Committee Compensation Committee
Kristine Yaffe, M.D. Nominating and Corporate Governance Committee
= Chairperson = Member