CHICAGO, Aug. 22 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse derivatives exchange, will close its trading floor on Monday, September 1, in observance of Labor Day. Foreign Exchange and Interest Rates products will close trading at noon on Friday, August 29. Abbreviated electronic trading hours will be held for certain products on Friday, August 29. For more holiday trading schedule details for CME Group open outcry and electronic trading on CME Globex(R), please see http://www.cmegroup.com/tools-information/holiday-calendar/index.html. CME Group (http://www.cmegroup.com/) is the world's largest and most diverse derivatives 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, and alternative investment products such as weather and real estate. CME Group is listed on 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. CBOT and Chicago Board of Trade are trademarks of the Board of Trade of the City of Chicago. These trademarks are used herein under license. 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 DATASOURCE: CME Group CONTACT: Media, Allan Schoenberg, +1-312-930-8189, or Mary Haffenberg, +1-312-930-3435, both at , or Investors, John Peschier, +1-312-930-8491, all of CME Group Web site: http://www.cmegroup.com/

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