For Immediate Release

Media Contact:                                                                                   
Nicole L. Rallings                                                       
(312) 341-3378                                                                      
news@cbot.com

CBOT MEMORIAL DAY HOLIDAY TRADING SCHEDULE

CHICAGO, IL, May 16, 2006 – The Chicago Board of Trade (CBOT^®) has established the following trading schedule in connection with the Memorial Day Holiday::

Friday, May 26

• Open auction:  Financial contracts will close at 12:00 p.m.  All other open auction contracts (Agricultural and Stock Index) will close at their normal times.
• Electronic e-cbot^® trading:  Dow/AIG Index contracts will close at 12:00 p.m.  Metals contracts will close at 12:30 p.m.  Financial contracts will close at 1:00 p.m.  All other e-cbot trading closes at normal times.

Sunday May 28

• Electronic e-cbot trading:  Overnight trading will be closed.

Monday, May 29

• Open auction:  Daytime trading will be closed.
• Electronic e-cbot trading:  Daytime trading will be closed.  e-cbot reopens at normal evening times.