Date:                           November 12, 2007

Recipients:                 Members and Independent Software Vendors

Authorized by:            Jeffrey S. Hersh

Title:                           Expiration for December 2007 Ag/FI Options

Action Date:               November 20, 2007

Recommended for:    Key Contacts, Backoffice, Traders

Related Bulletins:      n/a

Attachment:                n/a

SUMMARY:

A CBOT Reminder Notice has been distributed regarding the Revised Expiration Schedule for December 2007 Agricultural and Financial Options.  The Revised Schedule was established to accommodate the upcoming Thanksgiving Holiday.  The December 2007 option expiration originally scheduled for Friday, November 23, 2007 was rescheduled to Tuesday, November 20, 2007. 

If you have any questions, please contact the CME Clearing House at 312-207-2525 or your Key Account Manager.