News Release

CME Group to Offer Dairy Complex Contracts Electronically

Wed Aug 29 2007

CHICAGO, Aug. 29 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse exchange, announced today that five products in the dairy complex will also be offered on CME Globex®, the exchange's electronic trading platform, for virtually around the clock trading scheduled to begin September 17.

The products include futures and options on futures for Nonfat Dry Milk and Class IV Milk as well as options on futures for Dry Whey, Class III Milk and Cash-Settled Butter. Nonfat Dry Milk, Class IV Milk and Class III products will continue to be offered for trading in open outcry during regularly scheduled market hours.

Electronic trading hours for the dairy contracts will be the same for other commodity products. Trading begins on Monday at 9:05 a.m. Chicago time and remains open through Friday 1:30 p.m. with daily hour-long trading halts at 4:00 p.m.

CME Group (http://www.cmegroup.com/) 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".

The Globe logo, CME, Chicago Mercantile Exchange, CME Group, Globex and E- mini, are trademarks of Chicago Mercantile Exchange Inc. All other trademarks are the property of their respective owners. Further information about CME Group and its products can be found at http://www.cmegroup.com/.

CME-G

SOURCE: CME Group

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

Web site: http://www.cmegroup.com/

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+1 312 930 3434
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