STEVEN F. LEER has been Chairman and Chief Executive Officer of Arch Coal, Inc., a coal producing company, since April 2006. Prior thereto, he was President and Chief Executive Officer of that company. Mr. Leer is a director of Norfolk Southern Corporation, the Western Business Roundtable and the Mineral Information Institute. He also is a director and past Chairman of the Center for Energy and Economic Development, the National Coal Council and the National Mining Association. He is a delegate to the Coal Industry Advisory Board of the International Energy Agency in Paris, a director of the Greater St. Louis Area Boy Scouts of America and a member of the boards of the National Association of Manufacturers and the Business Roundtable. Mr. Leer has been a director since June 2005 and is a member of the Board's Compensation and Organization and Finance Committees.