News Release

CME Announces Memorial Day Holiday Hours

Thu May 05 2005

CHICAGO, May 5, 2005 - CME today announced the following trading schedule in conjunction with the Memorial Day holiday (all times are Central time): Friday, May 27 Commodity futures, foreign exchange (FX), interest rate, and GSCI® products traded on Exchange trading floors close at 12:00 p.m. (Commodity options close at 12:02 p.m.) Equity index products traded on the trading floor close at their regularly scheduled time of 3:15 p.m. Equity index, interest rate and FX products traded on CME® Globex® during regular trading hours will close at 3:15 p.m. Commodities, weather, ethanol, fertilizer and GSCI traded on CME Globex will close at 12:00 p.m. Products closing at their regular times on CME Globex are equity indexes and X-Funds (3:15 p.m.), CPI (2:00 p.m.) and TRAKRS® (3:00 p.m.) Sunday, May 29 CME Globex has a regular trading session opening at 5:00 p.m. for the trade date of Tuesday, May 31. Monday, May 30 Exchange trading floors closed in observance of Memorial Day. CME Globex trading for equity indexes suspended from 10:30 a.m. to 5:00 p.m. CME Globex trading suspended for Interest Rate and Foreign Exchange products at 12:00 noon and resumes also at 5:00 p.m. Tuesday, May 31 Regular trading sessions for Exchange trading floors and CME Globex. Chicago Mercantile Exchange Inc. ( 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 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 $1.5 billion per day in settlement payments in first-quarter 2005 and managed $44.4 billion in collateral deposits at March 31, 2005, including $4.3 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, the globe logo and GLOBEX are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. GSCI, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license.

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