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Cecil H. Moore, Jr., age 67, has served on our board of directors since 2003. Mr. Moore is currently a private investor and retired from KPMG LLP in 2000 after 37 years in which he served in various capacities with the public accounting firm. Among other positions, he served as managing partner of the firm’s Dallas, Texas business unit from 1990 to 1999. Prior to 1990, Mr. Moore was partner-in-charge of the audit and accounting practice of the firm’s Dallas, Texas business unit for 12 years. Mr. Moore is also a director and chairman of the audit committee of Perot Systems Corporation, a worldwide provider of information technology services and business solutions. He is a member of our audit committee and on the board of directors and chairman of the audit committee of Kronos Worldwide. | 