News Release

CME Daily Volume Tops 7.0 Million for the First Time Ever

Fri Apr 15 2005

Exchange Also Sets New Single Day Volume Records in Electronic Trading of Futures and Options on Futures on CME® Globex® CHICAGO, April 18, 2005 - CME, the largest U.S. futures exchange, today announced that on Friday, April 15, trading volume exceeded 7.0 million contracts in a single day for the first time*, surpassing the previous CME record of 6.7 million set on Friday, April 1. Average daily volume at CME for April to date is now 4.7 million contracts. CME Globex, the exchange’s electronic trading platform that operates virtually 24 hours every trading day, set a new single-day record, trading 4.9 million contracts, beating the earlier record of 4.4 million set on Friday, April 1. The exchange also set a single-day record of electronic options on futures, trading 106,033 contracts. CME also set a new record in E-mini S&P 500 equity index futures, trading 1.4 million contracts, breaking the previous record of 1.3 million set on March 11, 2004. In addition, CME recorded several single-day records in equity options on futures, including: Total equity options: 126,276 CME Globex equity options: 27,687 Open outcry equity options: 98,589 E-mini Russell® 2000 options: 1,091 S&P 500 options: 96,430 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 $1.42 billion per day in settlement payments and managed $44.3 billion in collateral deposits as of March 31, 2005, including $3.99 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 CME Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. Russell 1000, TRAKRS 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. *excluding its non-traditional TRAKRS TM products

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