News Release

CME Group Issued the Following Statement Regarding Errant Orders

Tue Sep 14 2010

CHICAGO, Sept. 14 /PRNewswire/ -- CME Group issued the following statement:

During a six minute period beginning at 2:38 pm (CDT) on Monday, September 13, test orders that should have been posted into a quality assurance testing environment were inadvertently placed into active energy and metals markets on CME Globex.  As soon as we became aware of the issue, we began working with affected customers and implemented other corrective steps.  We have also kept the Commodity Futures Trading Commission apprised of developments related to this event.  CME Group will address these transactions in accordance with its Rule 587.

As the world's leading and most diverse derivatives marketplace, CME Group (www.cmegroup.com) is where the world comes to manage risk.  CME Group exchanges offer the widest range of global benchmark products across all major asset classes, including futures and options based on interest rates, equity indexes, foreign exchange, energy, agricultural commodities, metals, weather and real estate. CME Group brings buyers and sellers together through its CME Globex® electronic trading platform and its trading facilities in New York and Chicago. CME Group also operates CME Clearing, one of the largest central counterparty clearing services in the world, which provides clearing and settlement services for exchange-traded contracts, as well as for over-the-counter derivatives transactions through CME ClearPort®. These products and services ensure that businesses everywhere can substantially mitigate counterparty credit risk in both listed and over-the-counter derivatives markets.

CME Group is a trademark of CME Group Inc. The Globe logo, CME, Chicago Mercantile Exchange, 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.  NYMEX, ClearPort and New York Mercantile Exchange are trademarks of New York Mercantile Exchange, Inc.  COMEX is a trademark of Commodity Exchange, Inc.  All other trademarks are the property of their respective owners.  Further information about CME Group (Nasdaq: CME) and its products can be found at www.cmegroup.com.

CME-G

SOURCE CME Group

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