Board of Directors

Douglas H.Brooks
Chairman of the Board, President and Chief Executive Officer of Brinker International, Inc.

Harriet Edelman
Former SVP and CIO of Avon Products, Inc.

Marvin J. Girouard
Retired Chairman and CEO of Pier 1 Imports, Inc.

George R. Mrkonic
Retired President and Vice Chairman of Borders Group, Inc.

Erle Nye
Chairman Emeritus of TXU Corp.

Cece Smith
Former Managing General Partner of Phillips-Smith-Machens Venture Partners

Rosendo G. Parra
Partner and Founder of Daylight Partners.

John W. Mims

Erle Nye
Chairman Emeritus of TXU Corp.

Erle Nye is Chairman Emeritus of TXU Corp. since May 2005, having served as Chairman of the Board from 2004 to 2005, Chairman of the Board and Chief Executive from 1997 to 2004, President and Chief Executive from 1995 to 1997, and President from 1987 to 1995. Mr. Nye served on the Board of Directors of TXU Corp. from 1987 to 2005. Mr. Nye serves on the board of S&C Electric Company and on its Audit Committee. Mr. Nye also serves on the boards of many professional, civic and charitable organizations, including the University of Texas Investment Management Company where he serves as Chairman. Mr. Nye has served on the Board of Directors since November 2002 and is a member of the Audit and Governance and Nominating Committees of the Company.