CBOT Holdings, Inc. President & CEO to Present at Sandler O’Neill Conference on June 7, 2007

CHICAGO, June 1, 2007 - 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, will present at the following Investor Conference:

Sandler O’Neill & Partners, L.P. 2007 eBrokerage and Global Exchange Conference

Date:                      Thursday, June 7, 2007
Time:                      11:15 am (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 web site 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 and 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.  The replay will remain available for 60 days.

About the CBOT

As one of the leading global derivative exchanges, the Chicago Board of Trade provides a diverse mix of financial, equity, and commodity futures and options-on-futures products. Building on its 159-year history, the CBOT continues to advance into the future using the strength of deep liquidity, market integrity and member-trader expertise. Using superior trading technology in both electronic and open-auction trading platforms, the CBOT provides premier customer service to risk managers and investors worldwide. For more information visit our web site at www.cbot.com

Investor Contacts:
Deborah Koopman
312.789.8532
dkoopman1@cbot.com

Pam Washington
312.341.3439
pwashingt1@cbot.com

Media Contact:
Craig Grabiner
(312) 341-5758
cgrabiner1@cbot.com