News Release

CME Announces Good Friday Holiday Trading Hours

Fri Apr 07 2006

CHICAGO, April 7 /PRNewswire-FirstCall/ -- CME today announced the following trading schedule for the Good Friday holiday (all times are Central time):

  Thursday, April 13   Commodity futures, foreign exchange and interest rate
                       products traded on Exchange trading floors close at
                       12:00 noon. (Commodity options close at 12:02 p.m.)
                       Equity index, GSCI and weather options products close
                       at their regularly scheduled times (3:15 p.m. for
                       equity index products, 1:40 p.m. for GSCI products
                       and 3:15 p.m. for weather options).

                       Products traded on CME Globex® during Regular
                       Trading Hours (RTH) close as follows: commodities,
                       fertilizer and ethanol close at 12:00 noon; foreign
                       exchange and interest rates close at 3:15 p.m.
                       Products closing at their regular times are Eurozone
                       HICP (10:00 a.m.), GSCI (1:40 p.m.), CPI (2:00 p.m.),
                       TRAKRS(SM) (3:00 p.m.), and equity indexes, weather
                       and ETFs (3:15 p.m.)

  Friday, April 14     CME Globex and Exchange trading floors are closed in
                       observance of Good Friday.

  Sunday, April 17     CME Globex opens at its regular time of 5:00 p.m.
                       (for trade date of April 18).

Chicago Mercantile Exchange Inc. ( http://www.cme.com/ ) is the world's largest and most diverse financial exchange. As an international marketplace, CME brings together buyers and sellers on CME Globex electronic trading platform and on its trading floors. CME offers futures and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange moved about $1.4 billion per day in settlement payments in 2005 and managed $45.8 billion in collateral deposits at December 30, 2005, including $3.2 billion in deposits for non-CME products. CME is a wholly owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME), which is part of the Russell 1000® Index.

Chicago Mercantile Exchange, CME, the globe logo and CME Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. 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, Allan Schoenberg, +1-312-930-8189, or Pamela
Plehn, +1-312-930-3446, 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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