CBOT To Present At Sandler O'Neill Financial Services Conference

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 following Investor Conference:

Sandler O’Neill & Partners, L.P. - Financial Services Conference

Date:               Thursday, June 8, 2006
Time:               1:30 pm (Eastern Time)
Duration:         30 minutes
Location:         Le Parker Meridien, New York, NY

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 web cast will be available for replay at the same address approximately twenty-four hours following its conclusion for 30 days.