CAROLINE DORSA has been a director since February 2003. Age 48. Member of Audit Committee, Corporate Governance Committee and Finance Committee. Director of PSE&G. Has been Senior Vice President of Global Human Health, Strategy and Integration of Merck & Co., Inc. (Merck), Whitehouse Station, New Jersey, which discovers, develops, manufactures and markets human and animal health products, since February 2008. Was Senior Vice President and Chief Financial Officer of Gilead Sciences, Inc, from November 2007 to January 2008. Was Senior Vice President and Chief Financial Officer of Avaya, Inc., Basking Ridge, New Jersey, from February 2007 to November 2007. Was Vice President and Treasurer of Merck from December 1996 to January 2007. Ms. Dorsa is a member of the Junior Achievement of New Jersey State Board of Directors. She is a member of the Board of Directors and the Chair of the Audit Committee of Biogen Idec (NASDAQ: BIIB), a biopharmaceutical company located in Cambridge, MA. Ms. Dorsa is also a member of the Board of Directors and Chairman of the Audit Committee of Joule, a privately financed solar fuels company based in Bedford, MA. Ms. Dorsa holds a B.A. from Colgate University and an M.B.A from Columbia Business School.