Donald L. Lucas has served as a Director since March 1980. He has been a member of the Finance and Audit Committee (the "F&A Committee") since December 1982, Chairman of the F&A Committee since 1987 and a member of the Committee on Independence Issues (the "Independence Committee") since October 1999. He was a member and Chairman of the Executive Committee from December 1985 to July 2008, when the Committee was eliminated. He has been a self-employed venture capitalist since 1967. He also serves as a director of Cadence Design Systems Inc., DexCom, Inc., Vimicro International Corporation, 51job, Inc., and Spansion Inc.