Robert O Lorenz

ROBERT O. LORENZ is a retired partner of the Arthur Andersen accounting firm. Mr. Lorenz joined Arthur Andersen in 1969, became a partner in 1982 and was named managing partner of the Oklahoma City office in 1994 and was named managing partner of the Oklahoma practice in 2000, the position he held until November 2002, when he retired. Mr. Lorenz serves on the Board of Directors and audit committees of Panhandle Oil and Gas, Inc., Infinity Energy Resources, Inc., and OGE Enogex GP LLC, an affiliate of the Company. Mr. Lorenz also is on the Board of Directors of the United Way of Central Oklahoma. Mr. Lorenz served on the Board of Directors of Kerr-McGee Corporation until September 1, 2006 when Kerr-McGee was acquired by Anadarko Petroleum Corporation. Mr. Lorenz has been a director of the Company and OG&E since July 2005, and is a member of the audit committee and the nominating and corporate governance committee of the Board.