Effective Sunday, October 8, 2006 (trade date Monday, October 9, 2006), CME will increase the maximum order size from 10,000 contracts to 20,000 contracts on the serial and first eight quarterly CME Eurodollar futures and futures spreads. The remaining 32 quarterly contract months will continue to have a 5,000 contract maximum.

If you have any questions regarding this notice, please contact:

Marilee Radecki                                312.930.8193                        mradecki@cme.com

Kevin Brady                                      312.648.3653                        kbrady@cme.com

Thank you.