On Monday, September 29, 2003 OneChicago single stock futures will commence trading at 8:30 a.m. (CST) instead of the previously stated 8:15. Normal trading hours are Monday through Friday from 8:30a.m.-3:00p.m.(CST). For more information regarding trading hours, holiday schedules and other events please visit the OneChicago website at http://www.onechicago.com.  

Please contact Neal Desai at (312) 634-8887 if you have any questions regarding this notice.