Director Name Audit Committee Compensation Committee Nominating and Corporate Governance Committee Science & Technology Committee Sanford Zweifach Audit Committee Compensation Committee Nominating and Corporate Governance Committee John Hohneker, M.D. Nominating and Corporate Governance Committee Science & Technology Committee Briggs Morrison M.D. Compensation Committee Nominating and Corporate Governance Committee Science & Technology Committee David Scadden, M.D. Science & Technology Committee Marella Thorell Audit Committee Sohanya Cheng Audit Committee Compensation Committee = Independent Director = Chairperson = Member = Chairman of the Board
