Committee Composition Audit Compensation Nominating and Corporate Governance Dennis Fenton, Ph.D. Audit Compensation Hollings Renton Nominating and Corporate Governance John Schmid Audit Compensation James N. Topper, M.D., Ph.D Nominating and Corporate Governance J. Anthony Ware, M.D. Audit Nominating and Corporate Governance = Chairperson = Member = Financial Expert