Mondo Visione Worldwide Financial Markets Intelligence

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CBOT To Present At Lehman Brothers Financial Services Conference

Date 06/09/2006

CBOT Holdings, Inc., holding company for the Chicago Board of Trade (CBOT) (NYSE: BOT), one of the world’s leading derivatives exchanges, today announced that Bernard Dan, President and Chief Executive Officer, and Glen Johnson, Senior Vice President and Chief Financial Officer, will present at the Lehman Brothers Financial Services Conference.

The presentation will be broadcast by live audio over the Internet and can be accessed via the investor relations events and presentations section of the CBOT Holdings website at http://www.cbot.com. Accompanying slides will also be available in the same location. Please allow extra time prior to the presentation to visit the site to download the software required to listen to the broadcast. The audio webcast will be available for replay at the same address approximately 24 hours following its conclusion for 90 days.