Dear GLOBEX^® Customers,

FirmSoft 3.1.5 Rollout
Effective upon the commencement of business on Sunday, September 12, 2004, FirmSoft 3.1.5 will be moved into our production environment. This new version of FirmSoft includes the following enhancements:

• Support for iTOPS calendar spreads
• Inquiry and cancel functionality for non-Chicago Mercantile Exchange products traded via TOPS
• Ability to permission user access by CME iLink^SM tag 50 (SenderSubID)
• Search by time increment using a start time and an end time
• A link to order details from the Cancel Confirmation window
• An expanded "Contract" field which will display the full contract code for all CME OneChicago products

Accessing FirmSoft 3.1.5
Accessing the new version of FirmSoft will require no changes for existing FirmSoft users. All existing FirmSoft user IDs and passwords will remain valid.

Any user experiencing access issues should contact the GLOBEX Control Center at 312.456.2391.

Documentation
For complete details regarding FirmSoft 3.1.5 including release notes, please refer to .

For further information, please feel free to contact your GLOBEX Account Manager at 312.634.8700 or email GLOBEX Account Management.

Thank you,

Chicago Mercantile Exchange
GLOBEX Account Management
312.634.8700