Committee Composition

Board of Directors Audit Committee Compensation Committee Nominating and Governance Committee
Todd C. Brady, M.D., Ph.D. Board of Directors
Ben R. Bronstein, M.D Board of Directors Audit Committee Compensation Committee
Richard H. Douglas, Ph.D. Board of Directors Nominating and Governance Committee
Martin J. Joyce Board of Directors Audit Committee Nominating and Governance Committee
Gary Phillips, M.D. Board of Directors Compensation Committee
Jesse I. Treu, Ph.D. Board of Directors Audit Committee Nominating and Governance Committee
Neal S. Walker, D.O. Board of Directors Compensation Committee
= Chairperson = Member = Chairman of the Board