GLOBEX Change TREX Message Testing/Conversion Deadline- August 22, 2003

Client Management Advisory Notices

To	Clearing Firms Personnel
From	Client Management Operations
Subject	GLOBEX Change TREX Message Testing/Conversion Deadline- August 22, 2003
Notice Date	2003-08-15
Notice Number	CMO#0396
Effective Date
On May 14,2003, we announced the availability of GLOBEX Change TREX messages and confirmation messages. At this time, we’d like to remind firms of the availability of this feature. If you are interested in submitting GLOBEX Change TREX records and receiving the related confirmations, you must complete your testing and conversion byFriday, August 22, 2003.After that date, the Certification environment will not be available until after the Common Clearing Link implementation on November 24, 2003. Please contact Client Management at 312 -930-8159 to schedule a test as soon as possible. Thank you.