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Mr. Stein has served as a director and the chair of our audit committee since July 2004. Mr. Stein is a self-employed tax and business consultant. From July 2000 until its sale in June 2004, Mr. Stein was a director of Westport Resources Corporation, a Denver based oil and natural gas exploration and development company, where Mr. Stein served as the chair of the audit committee. Mr. Stein served from 2001 through 2005 as a director of Koala Corporation, a Denver based public company engaged in the design, production and marketing of family convenience products, where he served on the audit and compensation committees. Mr. Stein has served as a director and co-chairman of the audit committee of Denbury Resources Inc., a Dallas based, publicly traded, independent oil and gas company, since January 2005. He also was a principal at PricewaterhouseCoopers LLP, formerly Coopers & Lybrand LLP, from November 1986 to June 30, 2000. | 