Corporate Governance

Committee Composition

Director Name Audit Committee Compensation Committee Corporate Governance and Nominating Committee Science and Technology Committee
Julian C. Baker Chairman of the Board Member of the Corporate Governance and Nominating Committee
Jennifer Cook Chairperson of the Corporate Governance and Nominating Committee
Jay Flatley Member of the Audit Committee Chairperson of the Compensation Committee
Peter Klein Chairperson of the Audit Committee Member of the Compensation Committee
Steve Krognes Member of the Audit Committee
David Schenkein Member of the Corporate Governance and Nominating Committee Chairperson ofthe Science and technology committee
Marc Tessier-Lavigne Member ofthe Science and technology committee
Nancy A. Thornberry Member of the Compensation Committee Member ofthe Science and technology committee
Legend = Chairperson = Member = Chairman of the Board