News Release

CME Announces Thanksgiving Holiday Trading Schedule

Mon Nov 21 2005

CHICAGO, Nov. 21 /PRNewswire-FirstCall/ -- CME has announced the following trading schedule for the Thanksgiving holiday:

                         All times are Central time.
   Wednesday, Nov. 23  All pit trading of CME commodity futures, interest
                       rate and foreign exchange products closes at
                       12:00 noon.  Commodity options close at 12:02 p.m.

                       CME equity and GSCI products traded on the trading
                       floor follow a normal schedule.

                       Commodity products traded on CME® Globex® close
                       at 12:00 noon. CME Globex trading in foreign exchange
                       and interest rate products closes at 4:00 p.m.
                       Equity and GSCI® products close at their regularly
                       scheduled times for pit and CME Globex electronic
                       trading.

                       CME Globex regular open for the trade date of Friday,
                       Nov. 25, for electronically traded products, except
                       GSCI, TRAKRS, ETFs, X-Funds, Weather, Ethanol and
                       commodities.

   Thursday, Nov. 24   Exchange trading floors are closed in observance of
                       Thanksgiving Day.

                       CME Globex trading of CME equity products halts at
                       10:30 a.m. and resumes at 5:00 p.m.  CME Globex
                       trading of foreign exchange and interest rate
                       products halts at 12:00 noon and resumes at 5:00 p.m.
                       CME Globex regular open for the trade date of
                       Friday, Nov. 25, except CME weather and ethanol.

   Friday, Nov. 25     All pit trading in CME commodity futures, GSCI,
                       interest rate and foreign exchange products closes at
                       12:00 noon.  Commodity options close at 12:02 p.m.
                       Pit trading of equity products closes at 12:15 p.m.

                       Commodity products and the GSCI traded on CME Globex
                       close at 12:00 noon.  CME Globex trading in foreign
                       exchange, interest rate and equity products closes at
                       12:15 p.m.  Due to the closure of the underlying
                       dairy spot call markets on Friday, Nov. 25, CME dairy
                       markets will be closed.  CME weather and ethanol
                       products traded on CME Globex will also be closed.

   Sunday, Nov. 27     Regular open for CME Globex for the trade date of
                       Monday, Nov. 28.

Chicago Mercantile Exchange, CME, the globe logo, CME Globex and E-mini are trademarks of CME. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to CME are the property of their respective owners, and are used herein under license. Further information about CME and its products is available on the CME Web site at http://www.cme.com/ .

CME-G

SOURCE: CME

CONTACT: Media Contacts, Anita S. Liskey, +1-312-466-4613, or Allan
Schoenberg, +1-312-930-8189, news@cme.com , or Investor Contact, John
Peschier, +1-312-930-8491, all of CME

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

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