CHICAGO, March 16, 2005 - CME today announced the following trading schedule for the Good Friday holiday (all times are Central time): Thursday, March 24 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 and GSCI products close at their regularly scheduled times (3:15 p.m. for equity index products and 1:40 p.m. for GSCI products). Products traded on CME® Globex® during Regular Trading Hours (RTH) close as follows: commodities and fertilizer close at 12:00 noon; foreign exchange and interest rates close at 3:15 p.m. Products closing at their regular times are equity indexes, weather and X-Funds (3:15 p.m.), TRAKRSSM (3:00 p.m.), GSCI (1:40 p.m.) and CPI (2:00 p.m.). Friday, March 25 CME Globex and Exchange trading floors are closed in observance of Good Friday. Sunday, March 27 CME Globex opens at its regular time of 5:00 p.m. (for trade date of March 28). Chicago Mercantile Exchange Inc. (www.cme.com) is the largest futures exchange in the United States. As an international marketplace, CME brings together buyers and sellers on CME Globex® electronic trading platform and on its trading floor. CME offers futures and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange moved about $1.5 billion per day in settlement payments in 2004 and managed $44.1 billion in collateral deposits as of Dec. 31, 2004, including $3.1 billion in deposits for non-CME products. CME is a wholly owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE: CME), which is part of the Russell 1000® Index. Chicago Mercantile Exchange, CME and Globex are registered trademarks of Chicago Mercantile Exchange Inc.