Keith Meister

Overview

Mr. Meister has been a director of XO Holdings since the consummation of the Restructuring Merger in February 2006. Prior to that, he had served as a director of XO Inc. since January 2003. Since March 2006, Mr. Meister has served as Principal Executive Officer and Vice Chairman of the Board of American Property Investors, Inc. ("API"), the general partner of American Real Estate Partners, L.P. ("AREP"). Mr. Meister served as President of API from August 2003 until July 2005 and as Chief Executive Officer of API from August 2003 until March 2006. AREP, a majority of the depositary units of which are held by Carl C. Icahn, is a diversified holding company engaged in a variety of businesses, including gaming, real estate and home fashion, as well as investments in equity and debt securities. Mr. Meister also serves as a director and/or officer of various direct and indirect subsidiaries of AREP. Mr. Meister is also a Managing Director of Icahn Partners LP and Icahn Partners Master Fund LP, which are private investment funds controlled by Mr. Icahn. He also serves on the Boards of Directors of the following companies: American Railcar Industries, Inc., a company primarily engaged in the business of manufacturing covered hopper and tank railcars that is majority-owned by various entities controlled by Mr. Icahn; and BKF Capital Group, Inc., an investment management firm in which Mr. Icahn is a stockholder. In addition, Mr. Meister served as a director of ADVENTRX Pharmaceuticals, Inc., an AMEX-listed biopharmaceutical company, from August 2005 to October 2006. Mr. Meister received an A.B. in government, cum laude, from Harvard College in 1995.