Directors

Robert R. Bennett. Principal of Hilltop Investments, a private investment company. Mr. Bennett served as President of Discovery Holding Company from March 2005 until September 2008, when Discovery Communications, Inc. became a public company. Mr. Bennett also served as President and CEO of Liberty Media Corporation from April 1997 until August 2005 and continued as President until March 2006. He was with Liberty Media from its inception, serving as its principal financial officer and in various other capacities. Prior to his tenure at Liberty Media, Mr. Bennett worked with Tele-Communications, Inc. (TCI) and the Bank of New York. Mr. Bennett serves as a director of Discovery Communications, Inc. and Liberty Media Corporation. Mr. Bennett has served as one of our directors since October 2006.

Gordon M. Bethune. Retired Chairman and Chief Executive Officer of Continental Airlines, Inc., an international commercial airline company. He served as Chief Executive Officer of Continental Airlines from 1994 and as Chairman and Chief Executive Officer from 1996 until December 31, 2004. He is a director of Honeywell International Inc., Willis Group Holdings, Limited and Prudential Financial, Inc., and Chairman of the Board of Aloha Airgroup, Inc. Mr. Bethune has served as one of our directors since March 2004.

Larry C. Glasscock. Chairman of the Board of WellPoint, Inc., a health benefits company. Mr. Glasscock served as President and Chief Executive Officer of WellPoint, Inc. from November 2004 (following the merger between Anthem, Inc. and WellPoint Health Networks Inc.) until June 2007 and as Chairman of WellPoint, Inc. since November 2005. Prior to Anthem’s merger with WellPoint Health Networks in November 2004, Mr. Glasscock had served as Anthem’s President and Chief Executive Officer since 2001 and also as Anthem’s Chairman since 2003. He is a director of Zimmer Holdings, Inc. Mr. Glasscock has served as one of our directors since August 2007.

James H. Hance, Jr. Chairman of the Board of Sprint Nextel. Retired Vice Chairman of Bank of America Corporation, a financial services holding company. He served as the Vice Chairman of Bank of America Corporation from 1993 until January 31, 2005 and as the Chief Financial Officer of Bank of America Corporation from 1988 until April 2004. He is a director of Cousins Properties Incorporated, Duke Energy Corporation, and Rayonier Corporation. Mr. Hance also serves as a Senior Advisor to The Carlyle Group. Mr. Hance has served as one of our directors since February 2005.

Daniel R. Hesse. President and Chief Executive Officer of Sprint Nextel. Before becoming the President and Chief Executive Officer of Sprint Nextel on December 17, 2007, Mr. Hesse was Chairman, President, and Chief Executive Officer of Embarq Corporation, the separate company formed from Sprint’s former Local Telecommunications Division in 2006. He served as Chief Executive Officer of Sprint’s Local Telecommunications Division from June 2005 until the Embarq spin-off. Before that, Mr. Hesse served as Chairman, President and Chief Executive Officer of Terabeam Corp., a wireless telecommunications service provider and technology company, from 2000-2004. Prior to serving at Terabeam Corp., Mr. Hesse spent 23 years at AT&T during which he held various senior management positions, including President and Chief Executive Officer of AT&T Wireless Services. He serves on the National Board of Governors of the Boys and Girls Clubs of America. Mr. Hesse has served as one of our directors since December 2007.

V. Janet Hill. Since 1981, Mrs. Hill has been Vice President of Alexander & Associates, Inc., a corporate consulting firm. Mrs. Hill also serves as a director of Wendy’s International, Inc. and Dean Foods, Inc. Mrs. Hill served as a director of Nextel Communications, Inc. from November 1999 until its merger with Sprint Corporation in August 2005, and she has served as one of our directors since 2005.

Irvine O. Hockaday, Jr. Retired President and Chief Executive Officer of Hallmark Cards, Inc., a manufacturer of greeting cards. Mr. Hockaday served as President and Chief Executive Officer of Hallmark Cards, Inc. from 1985 to 2001. He is a director of Aquila, Inc., Crown Media Holdings, Inc., Ford Motor Company, and Estee Lauder, Inc. Mr. Hockaday has served as one of our directors since June 1997.

William R. Nuti Chairman of the Board, Chief Executive Officer and President of NCR Corporation, a global technology company. Mr. Nuti has served as Chief Executive Officer and President of NCR since August 2005, and as Chairman of NCR since October 2007. Before joining NCR, Mr. Nuti had served as President and Chief Executive Officer of Symbol Technologies, Inc. from 2003 to 2005, and as President and Chief Operating Officer of Symbol Technologies from 2002 to 2003. Mr. Nuti joined Symbol Technologies in 2002 following more than 10 years at Cisco Systems, where he advanced to the dual role of senior vice president of the company’s Worldwide Service Provider Operations and senior vice president of U.S. Theater Operations. Mr. Nuti has served as one of our directors since June 2008.

Rodney O'Neal. Chief Executive Officer and President of Delphi Corporation, a global supplier of mobile electronics and transportation systems. Mr. O’Neal has served as Chief Executive Officer and President of Delphi since January 2007. He previously served as President and Chief Operating Officer of Delphi from January 2005 until January 2007. In 2000, Mr. O’Neal was named Executive Vice President of the former Safety, Thermal & Electrical Architecture Sector at Delphi. In 2003, he was named president of the Dynamics, Propulsion, and Thermal Sector. Previously, he served in a variety of domestic and international operating assignments for both Delphi and its former parent company, General Motors. He is a director of The Goodyear Tire & Rubber Company. Mr. O’Neal has served as one of our directors since August 2007.

Ralph V. Whitworth. Since 1996, Ralph Whitworth has been a Principal of Relational Investors LLC, a registered investment advisor. He is the former Chairman of the Board of Apria Healthcare Group Inc., and Waste Management, Inc. He is also a former director of Mattel, Inc., Tektronix, Inc., and Sirius Satellite Radio, Inc. He is currently a director of Sovereign Bancorp, Inc. and Titan Investment Partners, LLC, a privately held investment fund which focuses on emerging companies. Mr. Whitworth has served as one of our directors since February 2008.