CME Announces Holiday Hours

Dec 20, 2006

CHICAGO, Dec 20, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- CME (NYSE, Nasdaq: CME) has announced the following trading schedule in conjunction with the Christmas Day and New Year's Day holidays (all times are Central time):

    Friday, December 22    Commodity futures, foreign exchange (FX), interest
                           rates, housing options, GSCI(R) and weather options
                           traded on Exchange trading floors close at noon
                           (commodity options close at 12:02 p.m.).  Equity
                           indexes traded on the trading floor close at their
                           regularly scheduled times.

                           Commodities, GSCI and weather traded on CME
                           Globex(R) will close at noon.  FX, and interest
                           rates close at 3:15 p.m. Equity indexes, TRAKRS,
                           ETFs, Eurozone HICP, housing, NYMEX energy and
                           COMEX metals products traded on CME Globex will
                           close at their regularly scheduled times.


    Sunday, December 24    Exchange trading floors are closed.

                           CME Globex is closed.


    Monday, December 25
    Christmas Day          Exchange trading floors are closed.

                           NYMEX energy and COMEX metals on CME Globex open
                           at 5 p.m.


    Tuesday, December 26   Regular CME floor trading hours.

                           CME Globex opens at 5 a.m. for all CME products.
                           Commodities, ETFs and TRAKRS on CME Globex open at
                           their regular times.


    Friday, December 29    Commodity futures, foreign exchange (FX), interest
                           rates, housing options, GSCI(R) and weather options
                           traded on Exchange trading floors close at noon
                           (commodity options close at 12:02 p.m.).  Equity
                           indexes traded on the trading floor close at their
                           regularly scheduled times.

                           Commodities, GSCI and weather traded on CME
                           Globex(R) will close at noon.  FX, and interest
                           rates close at 3:15 p.m. Equity indexes, TRAKRS,
                           ETFs, Eurozone HICP, housing, NYMEX energy and
                           COMEX metals products traded on CME Globex will
                           close at their regularly scheduled times.


    Sunday, December 31    Exchange trading floors are closed.

                           CME Globex is closed.


    Monday, January 1
    New Year's Day         Exchange trading floors are closed.

                           NYMEX energy and COMEX metals on CME Globex open
                           at 5 p.m.


    Tuesday, January 2     Regular CME floor trading hours.

                           CME Globex opens at 5 a.m. for all CME products.
                           Commodities, ETFs and TRAKRS on CME Globex open at
                           their regular times.

For more details, CME Regular Trading Hours (RTH) and CME Globex holiday schedules can be viewed at http://www.cme.com/trading/res/cch/holiday_calendar3513.html .

CME-G

SOURCE CME

Media, Allan Schoenberg, +1-312-930-8189, or Mary Haffenberg, +1-312-930-3435,
news@cme.com , or Investors, John Peschier, +1-312-930-8491, all of CME

http://www.cme.com

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