Dr. Ralph Cunningham is Chairman of the Board of Enterprize Products Partners L.P. Dr. Cunningham was elected a Director of EPGP in February 2006, having previously served as a Director of EPGP from 1998 until March 2005. In addition to these duties, Dr. Cunningham served as Group Executive Vice President and Chief Operating Officer of EPGP from December 2005 to August 2007 and Interim President and Interim CEO from June 2007 to August 2007. In August 2007, Dr. Cunningham was elected a Director of DEP GP and a Director, the President and CEO of EPE Holdings. He served as Chairman and a Director of TEPPCO GP from March 2005 until November 2005. Dr. Cunningham was elected a Group Vice Chairman of EPCO in December 2007, having previously served as a Director of EPCO from 1987 to 1997. He serves as a Director of Tetra Technologies, Inc. (a publicly traded energy services and chemical company), LE GP, the general partner of Energy Transfer Equity (a publicly traded energy services partnership) and Agrium, Inc. (a Canadian publicly traded agricultural chemicals company). In addition, Dr. Cunningham serves as a Director and the Chairman of the Safety, Health and Responsibility Committee of Cenovus Energy Inc. (a Canadian publicly traded oil company). Dr. Cunningham retired in 1997 from CITGO Petroleum Corporation, where he served as President and CEO since 1995.