CBOT Holdings, Inc. Announces Date Of Special Meetings To Vote On Proposed Merger And Related Matters

CBOT Holdings, Inc. (“CBOT Holdings”) has announced that it will hold a special meeting on April 4, 2007, at which shareholders of CBOT Holdings will vote on the proposed merger with Chicago Mercantile Exchange Holdings Inc. On the same day, the Board of Trade of the City of Chicago, Inc. (CBOT®) will hold a special meeting, at which its members will vote on merger related matters.

The CBOT member meeting will be held at 2:30 p.m. and the CBOT Holdings shareholder meeting will be held at 3:00 p.m. on April 4. Both meetings will be held at the Union League Club in downtown Chicago. In the next few days, CBOT Holdings and the CBOT expect to begin mailing definitive proxy statements and related materials to those who were shareholders and members as of the close of business on February 9, 2007, the record date for the meetings.