TO:	ALL CLEARING PARTICIPANTS
FROM:	CLIENT SERVICES AND SUPPORT
DATE:	September 13, 2007
SUBJECT:	USFE Extended Trading Hours

U.S. Futures Exchange (USFE) has announced that the USFE trading day will be expanded to 23 hours starting on September 17, 2007. The first products to trade 23 hours will be the Foreign Exchange Spot Equivalent Futures (SEF).

CCorp will hold all MQM outbound/confirm messages from the new trading day until the current day final processing is completed (approximately 9:30 p.m.). Clearing participants that wish to receive MQM messages real-time when the next trading day begins, and also have access to the Give Up API, should contact CSS.

For additional information regarding the expanded trading day, please refer to USFE Circular 29/2007. In case of general USFE questions, contact USFE Operations at 312 356 3880 or USFE Member Services at 312 356 3870.

Should you have any questions, please call or e-mail one of the following Client Services and Support Representatives:

Richard Crilly	786-3842	richard.crilly@clearingcorp.com
Marc MacQuarrie	786-5732	marc.macquarrie@clearingcorp.com
John Compall		john.compall@clearingcorp.com
Client Services and Support Group	786-5718
Client Services and Support E-Mail Address		css@clearingcorp.com
Clearing Corporation Web Site		http://www.clearingcorp.com