On January 30, 2013, Dr. Gordon Moore and Mr. James Denny announced their intention to retire from the Board of Directors of Gilead Sciences Inc., effective as of the end of their terms in May 2013. Moore's and Denny's decision to retire was not the result of any dispute or disagreement with the company. Denny will continue to serve as the company's Lead Independent Director until his retirement from the Board.

The company expects to appoint a successor Lead Independent Director at the meeting of its Board of Directors in May 2013.