X0203 0000876661 NEW YORK STOCK EXCHANGE INC 1161448 CBOT HOLDINGS INC 001-32650

141 W. Jackson Blvd. Suite 950 Chicago IL ILLINOIS 60604-2994

(312) 435-3500 Class A Common Stock 17 CFR 240.12d2-2(a)(3) Paras Madho Director 2007-07-13