• Senior Advisor at Warburg Pincus, a private equity firm – November 2009 to present.

• Prior Professional Experience: Previously, Mr. Hassan served in the following positions:

- Chairman and Chief Executive Officer, Schering-Plough Corporation – April 2003 to November 2009.

- Chairman and Chief Executive Officer, Pharmacia Corporation – 2001 to 2003.

- Chief Executive Officer, Pharmacia Corporation – 2000 to 2001.

- Chief Executive Officer, Pharmacia & Upjohn Inc. – 1997 to 2000.

- Executive Vice President, Pharmaceutical and Medical Products, American Home Products Corporation (Wyeth) – 1995 to 1997.

- Senior Vice President, American Home Products Corporation – 1993 to 1995.

- President, Wyeth-Ayerst Laboratories – 1989 to 1993.

- Various positions at Sandoz Pharmaceuticals (now Novartis) including heading its U.S. pharmaceuticals business – 1972 to 1989.

• Company Directorship: Mr. Hassan is an Independent Director. He has been a Director of the Company since October 2009.

• Other Directorships: Mr. Hassan is Chairman of the Board of Directors of Bausch & Lomb, a member of the Board of Directors of Avon Products, Inc., and President of the International Federation of Pharmaceutical Manufacturers & Associations.