News Release

CME Surpasses One Billion Contracts Traded in 2006

Thu Sep 28 2006

CHICAGO, Sept. 28 /PRNewswire-FirstCall/ -- CME, the world's largest and most diverse financial exchange, announced today that for the second consecutive year it surpassed one billion contracts traded in 2006, excluding non-traditional TRAKRS® futures contracts. Average daily volume for the year is 5.4 million contracts, an increase of 29 percent over this time last year.

"CME is the world's leading financial exchange and provides the trading of derivatives in all major asset classes: interest rates, equities, foreign exchange, alternative investments and commodities, including energy through our agreement with NYMEX," said CME Chairman Terrence Duffy. "We are pleased that we have reached this milestone once again and CME continues to provide our customers around the world with the deep pools of liquidity that they require to implement their risk management strategies, and we greatly appreciate the business they bring to our exchange."

"More than 70 percent of our total volume is traded on CME Globex®, and a significant contribution to our growth is the fact that the volume of our electronically traded options on futures has increased 90 percent over last year," said CME Chief Executive Officer Craig Donohue. "The continued growth in electronic trading and the addition of several product offerings, such as new foreign exchange products and housing indexes, have allowed us to support the growing needs of our customers. We will continue to work closely with our customers around the globe in order to meet their business and trading objectives."

CME Clearing officially surpassed one billion trades cleared on June 20, 2006. This is the third consecutive year CME Clearing, which clears all trading volume for the Chicago Board of Trade (CBOT) in addition to that of CME, surpassed one billion cleared trades.

CME ( http://www.cme.com/ ) is the world's largest and most diverse financial exchange. As an international marketplace, CME brings together buyers and sellers on the CME Globex® electronic trading platform and on its trading floors. CME offers futures and options on futures in these product areas: interest rates, stock indexes, foreign exchange, agricultural commodities, energy, and alternative investment products such as weather, real estate and economic derivatives. CME is a wholly-owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME), which is part of the Russell 1000® Index and the S&P 500® Index.

Statements in this news release that are not historical facts are forward- looking statements. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statements. More detailed information about factors that may affect our performance may be found in our filings with the Securities and Exchange Commission, including our most recent Quarterly Report on Form 10-Q, which can be obtained at its Web site at http://www.sec.gov/ . We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

Chicago Mercantile Exchange, CME, the globe logo and CME Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license. Further information about CME and its products is available on the CME Web site at http://www.cme.com/ .

CME-G

SOURCE: Chicago Mercantile Exchange

CONTACT: Media, Allan Schoenberg, +1-312-930-8189, or Mary Haffenberg,
+1-312-930-3435, or news@cme.com, or Investors, John Peschier,
+1-312-930-8491, all of CME

Web site: http://www.cme.com/
http://www.cme.com/mediaroom

Corporate Communications

+1 312 930 3434
Email