CBOT Stock Begins Trading On The New York Stock Exchange

Last night, the initial public offering of 3,191,489 shares of Class A common stock of CBOT Holdings (NYSE: BOT) was priced at $54.00 per share. An archived videoclip of the broadcast of CBOT Chairman Charles Carey and President/CEO Bernard Dan ringing the opening bell at the NYSE to commemorate the first trade of our common stock on the NYSE will be available later in the day.

Below are photographs of the bell-ringing and the ceremonial first trade by CBOT President Bernard Dan.

The scene at the NYSE just after the ringing of the opening bell at 8:30 a.m. (Chicago time).

CBOT President Bernie Dan and (from left)and Chairman Charles Carey make the first trade.

The public offering of the Class A common stock of CBOT Holdings, Inc. is being made only by means of a prospectus. Copies of the final prospectus relating to the offering may be obtained by contacting Credit Suisse First Boston LLC, Prospectus Department, One Madison Avenue, New York, NY 10010 (212-325-2580) or J.P. Morgan Securities Inc., Prospectus Department, Floor 5B, One Chase Manhattan Plaza, New York, NY 10081 (212-552-5164). A registration statement relating to these securities has been filed with and declared effective by the Securities and Exchange Commission. This communication shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.