The trading hours for CME Eurodollar options on the Enhanced Options System (EOS) will be extended, beginning Sunday, April 17, 2005. The regular CME Globex® electronic trading session for CME Eurodollar options will begin at 5:00 p.m., Sunday to Thursday, and end at 5:00 a.m. the following morning. The EOS session will begin at 5:10 a.m. and terminate at 4:00 p.m., Monday to Friday.

Currently, the regular CME Globex electronic trading session for Eurodollar options begins at 5:00 p.m., Sunday to Thursday, and ends at 6:50 a.m., the following morning. CME Eurodollar options continue to trade electronically on EOS from 7:00 a.m. until 4:00 p.m., Monday to Friday; however, beginning April 17th, the session will begin at 5:10 a.m.

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

Marilee Radecki  mradecki@cme.com  312.930.8193

Kevin Brady  kbrady@cme.com  312.648.3653