Terrence A Duffy

Terrence A. Duffy, 49 Mr. Duffy has served as our Executive Chairman since October 2006 when he became an officer of the Company. Previously he served as Chairman of the board since 2002 and our Vice Chairman from 1998 until 2002. Mr. Duffy has been a member of our board of directors since 1995. He has been President of TDA Trading, Inc. since 1981 and has been a member of CME for more than 25 years. In 2002, he was appointed by President Bush to serve on a National Saver Summit on Retirement Savings. He also was appointed by President Bush and confirmed by the U.S. Senate in 2003 as a member of the Federal Retirement Thrift Investment Board. Mr. Duffy currently serves on the board of directors of World Business Chicago, the board of regents for Mercy Home for Boys and Girls, the board of trustees of Saint Xavier University, the board of directors of the Illinois Agricultural Leadership Foundation and is co-chair of the Mayo Clinic Greater Chicago Leadership Council.