Committee Composition

Independent Director Audit Committee Compensation Committee Nominating and Corporate Governance Committee
Susan Berland Independent Director Audit Committee Compensation Committee
James Collins Ph.D. Independent Director Nominating and Corporate Governance Committee
Brenda Cooperstone M.D. Independent Director Compensation Committee
Omid Farokhzad M.D. Independent Director Audit Committee
Edward Mathers Independent Director Audit Committee Nominating and Corporate Governance Committee
= Independent Director = Chairperson = Member