News Release

/C O R R E C T I O N -- CME/

Thu Mar 01 2007

In the news release, CME (NYSE: CME)(NASDAQ: CME) Reports February 2007 Volume Averaged 6.0 Million Contracts per Day, Up 27 Percent from Year-Ago Period, issued earlier today by CME over PR Newswire, we are advised by the company that the seventh paragraph, first sentence, should read "During February, CME Clearing handled record CBOT volumes averaging in excess of 4.5 million contracts per day, up 29 percent," rather than "up 23 percent" as originally issued inadvertently.

SOURCE: CME

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

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