Celgene Corp.

Celgene Corp. has made senior management changes. Dr. Sol J. Barer currently chief executive officer, will serve as executive chairman of the board of directors through December 31, 2010, and Robert J. Hugin, currently president and chief operating officer, will be appointed chief executive officer.

Dr. Barer has served as chief executive officer since May 2006. Prior to that, he served as president and chief operating officer. Additionally, Dr. Barer has served as director since 1994 and chairman of the board since 2007. Effective January 1, 2011, Dr. Barer will be named non-executive chairman and will continue to serve the company in a consulting capacity.

Mr. Hugin has served as chief operating officer and president since May 2006. He joined the company as senior vice president and chief financial officer in June 1999 and served as a director of Celgene since December 2001.

Dr. Barer said, “The transition of leadership, with guidance from the Board of Directors, is a natural evolution of our long-term strategic planning. I am extremely pleased to pass the leadership of Celgene to Bob Hugin. I have worked in close partnership with him over the last eleven years. Bob brings strong leadership, experience, and continuity to our business that enables Celgene to continue our mission to become the premier biopharmaceutical company.”