CBOT Holdings To Release 2005 Third Quarter Financial Results Oct. 28.

CBOT Holdings, Inc., holding company for the Chicago Board of Trade (CBOT®) (NYSE: BOT), one of the leading global derivatives exchanges, today announced that it will release financial results for its 2005 third quarter, ended September 30, 2005, on Friday, October 28, 2005. A news release will be issued prior to the NYSE market opening and will be followed by a conference call at 8:00 am ET, 7:00 am CT. The call will last approximately one hour and will feature remarks by the company's senior management.

The conference call and any accompanying slides will be publicly available via live web cast from the investor relations section of the CBOT Holdings web site at http://www.cbot.com. The web cast will be available for replay at the same address approximately two hours following its conclusion. Those wishing to listen to the live conference via telephone should dial 866.362.5158 (U.S. callers) and 617.597.5397 (International callers) at least 10 minutes before the call begins. The verbal passcode for the call is “CBOT.”