News Release

CME to offer Around-the-Clock Trading of Commodity Products on CME Globex

Wed Mar 07 2007

CHICAGO, March 7 /PRNewswire-FirstCall/ -- CME, the world's largest and most diverse financial exchange, announced today that products in the commodities complex will be offered for electronic trading virtually 24 hours a day on CME Globex® beginning June 4.

Futures on commodities, including lean hogs, frozen pork bellies, live cattle, feeder cattle, cash-settled butter, class III milk, dry whey and fertilizer will be available for trading beginning at 9:05 a.m. Chicago time Mondays through 1:30 p.m. Fridays with a daily 60-minute trading halt commencing at 4:00 p.m. These contracts are all offered currently on CME Globex during day-time trading hours in Chicago.

"This expansion of our electronic offerings of the CME commodities complex will enable our customers around the world to access our markets at times that work best for their schedules and their individual portfolio management strategies," said CME Executive Chairman Terry Duffy. "CME is a global marketplace and we are committed to meeting customers' risk management and trading needs whether they are located in Asia, Europe, Latin America or the United States."

"Last year we traded a record number of commodities contracts and electronic trading of CME Commodities has now reached 10 percent of the total daily commodities volume," said CME Chief Executive Officer Craig Donohue. "Around-the-clock access on CME Globex as well as trading through open outcry will allow CME to further increase liquidity, while offering customers more opportunities for price discovery and commercial hedging activity."

In 2006, open interest of CME Commodities reached 692,653 as global demand and interest in raw materials and foodstuffs has increased.

CME offers free real-time quotes for electronically traded live cattle, feeder cattle, lean hogs, class III milk and cash-settled butter. For more information on CME Commodities, please go to .

CME ( ) 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 . 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, CME Globex and E-mini are trademarks of Chicago Mercantile Exchange Inc. 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 .



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