Committee Composition Audit Nominating and Corporate Governance Compensation Andrew Hack, M.D., Ph.D Audit Julie Eastland Audit Brent MacGregor Nominating and Corporate Governance Francis R. Cano, Ph.D. Nominating and Corporate Governance Daniel L. Kisner, M.D. Nominating and Corporate Governance Compensation Peggy V. Phillips Audit Compensation Natale Ricciardi Compensation = Chairperson = Member = Chairman of the Board