MEDIA ADVISORY/ PHOTO OPPORTUNITY

CME Group Officials to Open Tomorrow’s Trading With Bell Ringing;

Ceremony Commemorates First Official Trading Day at Merged Exchange

WHAT:             A bell-ringing ceremony on the CBOT Agricultural Trading Floor to commemorate the first official trading day at the new CME Group. The Exchange invites media to attend this historic occasion; and to engage the Officials in a brief question and answer session.

WHO:                Terry Duffy, Chairman, CME Group

                        Charlie Carey, Vice-Chairman, CME Group

                        Craig Donohue, CEO, CME Group

WHEN:              Friday, July 13, 2007, at 9:00 a.m. CT

LOCATION:        Chicago Board of Trade Building

                        141 West Jackson Blvd.

                        Chicago, IL

CONTACT:         Please RSVP to Craig Grabiner at (312) 341-5758 or cgrabiner1@cbot.com.

CME Group is the world’s largest and most diverse exchange. Formed by the 2007 merger of the Chicago Mercantile Exchange (CME) and the Chicago Board of Trade (CBOT), CME Group serves the risk management needs of customers around the globe. As an international marketplace, CME Group brings buyers and sellers together on the CME Globex electronic trading platform and on its trading floors. CME Group offers the widest range of benchmark products available across all major asset classes, including futures and options based on interest rates, equity indexes, foreign exchange, agricultural commodities, energy, and alternative investment products such as weather and real estate. CME Group is traded on the New York Stock Exchange and NASDAQ under the symbol “CME.” 

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