News Release

CME Group Establishes New Options Volume Record

Mon Aug 13 2007

CHICAGO, Aug. 13 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse exchange, set a new options on futures volume record on August 10, 2007, when 4,282,604 options traded. The previous record was 4,154,124 options contracts traded on August 8, 2007. Interest Rate options set the pace on Friday with 3,876,484 options traded, overtaking the combined record of 3,826,303 options traded on June 2, 2006. Eurodollar options comprised the majority of Friday's activity with a record 3,486,274 options traded. This new record overtook the previous one of 3,264,045 set on August 8, 2007. An additional Interest Rate Product record was achieved in 30-year Interest Rate Swap futures with 948 contracts traded.

For a second consecutive day, Mini-sized Dow Jones(SM)($5) futures and options reached a new record with 367,130 contracts traded. The previous record, set on August 9, 2007, was 350,467 contracts.

Month-to-date, CME Group average daily volume stands at 16,620,049 contracts, representing a 99 percent increase over combined August 2006 average daily volume.

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. CBOT and Chicago Board of Trade are trademarks of the Board of Trade of the City of Chicago. 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, Pamela Plehn, +1-312-930-3446, or Allan Schoenberg,
+1-312-930-8189, news@cmegroup.com, or investors, John Peschier,
+1-312-930-8491, all of CME Group

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