News Release

CME Announces Labor Day Holiday Hours

Wed Aug 10 2005

CHICAGO, August 10, 2005 - CME today announced the following trading schedule in conjunction with the Labor Day holiday (all times are Central time): Friday, September 2 Commodity futures, foreign exchange (FX), interest rate, and GSCI® products traded on Exchange trading floors close at 12:00 noon. (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, and GSCI® traded on CME Globex will close at 12:00 noon. Products closing at their regular times on CME Globex are equity indexes (3:15 p.m.), CPI (2:00 p.m.), TRAKRS® (3:00 p.m.), X-Funds (3:15 p.m.) and ETFs (3:15 p.m.). Sunday, September 4 CME Globex has a regular trading session opening at 5:00 p.m. for the trade date of Tuesday, September 6. (Please note that TRAKRS, X-Funds and ETFs do not open for trading.) Monday, September 5 Exchange trading floors closed in observance of Labor Day. CME Globex trading continues uninterrupted, except for equity products which observe a 10:30 a.m. to 5:00 p.m. trading break, and interest rate and foreign exchange products which observe a 12:00 noon to 5:00 p.m. trading break. CME Globex-traded TRAKRS, X-Funds and ETFs do not open for trading. Tuesday, September 6 Regular trading sessions for CME Globex and Exchange trading floors. (Please note that X-Funds do not open for trading until their regular open at 7:20 a.m. on the next day. Similarly, TRAKRS and ETFs do not open for trading until their regular open at 8:30 a.m. on the next day.) Chicago Mercantile Exchange, CME, the globe logo and CME Globex are registered trademarks of CME. E-mini is a trademark of CME. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to CME are the property of their respective owners, and are used herein under license.

Corporate Communications

+1 312 930 3434