News Release

CME Announces Columbus Day Holiday Hours

Mon Oct 01 2007

CHICAGO, Oct. 1 /PRNewswire-FirstCall/ -- CME Group, the world's largest and most diverse exchange, has announced the following trading schedule in conjunction with the Columbus Day holiday (all times are Central time). Please note: this includes CME and CBOT products.

  Friday, October 5   Unless noted below all products close at their regular
                      trading time on the CME and CBOT exchange trading
                      floors as well as CME Globex® and e-cbot®.

                      Foreign exchange (FX) and interest rate products
                      traded on CME exchange trading floors will close at
                      12:00 noon.

                      FX and interest rate products traded on CME Globex
                      will close at 3:15 p.m.

                      Financials* traded on the CBOT exchange trading floors
                      close at 12:00 noon.

                      Financials traded on e-cbot will close at 1:00 p.m.

  Sunday, October 7   e-cbot remains closed except for mini sized
                      Eurodollars, which will trade normal hours.

                      CME Globex regular opening.

  Monday, October 8   FX and interest rate products traded on the CME
                      exchange trading floors are closed in observance of
                      Columbus Day.

                      Financials* traded on the CBOT exchange trading floors
                      are closed.

                      CME Group FX and Interest Rate products traded on CME
                      Globex close at 4:00 p.m.

                      e-cbot remains closed on Monday except for mini sized
                      Eurodollars, which will trade until 3:15 p.m.

                      CME Globex regular opening.  e-cbot regular opening.

  Tuesday, October 9  Regular trading sessions for CME Globex, e-cbot and
                      exchange trading floors.


  * Financial contracts are Treasury bonds, Treasury notes, interest rate
    swaps and 30-Day Fed Fund futures and options, binary options on the
    target Fed Funds rate, credit default swap index and mini-sized
    Eurodollar futures.

For more details, CME Regular Trading Hours (RTH) and CME Globex holiday schedules can be viewed at http://www.cme.com/trading/res/te/index.html. CBOT RTH and e-cbot holiday schedules can be viewed at http://www.cbot.com/cbot/pub/page/0,3181,1029,00.html.

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, Allan Schoenberg, +1-312-930-8189, or Mary Haffenberg,
+1-312-930-3435, both at news@cmegroup.com, or investors, John Peschier,
+1-312-930-8491, all of CME Group

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

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