News Release

CME Announces Holiday Hours

Wed Dec 20 2006

CHICAGO, Dec. 20 /PRNewswire-FirstCall/ -- CME (NYSE: CME)(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® 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® 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® 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® 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

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