Dear CME Globex Customers,

NYMEX e-miNY Natural Gas Contracts Trading Schedule
At the request of NYMEX, effective Monday, October 3, 2005, the NYMEX e-miNY Natural Gas trading schedule will change on the CME Globex platform.

Currently, the NYMEX e-miNY Natural Gas trading session has a 30 minute halt from 8:30 a.m. to 9:00 a.m. Central time (CT), Monday through Friday. Effective Monday, October 3, the 30 minute trading halt will be eliminated.

The NYMEX e-miNY Crude Oil futures trading schedule on the CME Globex platform is not changing. The trading halt in the NYMEX e-miNY Crude Oil, from 8:30 a.m. to 9:00 a.m. CT, Monday through Friday, remains in place.

This trading hours change is permanent and exclusively for the NYMEX e-miNY Natural Gas futures listed on the CME Globex electronic trading platform.

CME Globex Columbus Day Schedule
CME Globex trading hours for the Columbus Day holiday on Monday, October 10, 2005, have been changed as follows:

The electronic CME Foreign Exchange and CME Interest Rate product markets will close at the normal time of 4:00 p.m. CT on Monday, October 10. They will not close early.

As previously announced, the trading floors for CME Foreign Exchange and CME Interest Rate products will be closed on Monday, October 10, in observance of the Columbus Day holiday.

If you have any questions or concerns, please contact your CME Globex Account Manager at 312.634.8700; or in Europe at +44.207.623.2550.

Thank you,

CME
800.331.3332