DAYLIGHT SAVING TIME BEGINS IN CHICAGO ON SUNDAY, MARCH 11, 2007 AT 2:00 A.M.

IN ACCORDANCE WITH RULE 1007.00 - "HOURS OF TRADING", THE EXCHANGE WILL CONFORM TO CHICAGO TIME.

ALL TRADING SCHEDULES WILL BE ON CENTRAL DAYLIGHT SAVING TIME BEGINNING WITH THEE-CBOT^® TRADING SESSION ON SUNDAY EVENING, MARCH 11.