David M. Kelly has served as a member of Penson Worldwide, Inc.’s Board of Directors since September 2000 and as the lead independent director since 2007. Mr. Kelly retired in February 2000 from his position as President of the National Securities Clearing Corporation, a position he held from 1983, and as Vice Chairman of DTCC and Vice Chairman and Chief Executive Officer of GSCC. In April 2000, Mr. Kelly joined the board of directors of the Chicago Stock Exchange where he continues to serve as a director and in the capacity of Chairman of the Regulatory Oversight Committee. Since September 2000, Mr. Kelly has been an independent trustee of the SPDR Series Trust, part of State Street Global Advisors, and an independent trustee of SPDR Index Shares since July 2004. Mr. Kelly has served as a director of Custodial Trust Company and as a member of its Trust Committee since April 2003. Mr. Kelly received his B.A. in economics from Michigan State University and served in the United States Marine Corps.