As previously announced, the Board of Directors has approved revisions in the open auction trading hours for CBOT® Rough Rice contracts that will become effective Monday, May 1, 2006.  Open auction trading hours for Rough Rice futures and options will change from 9:15 a.m. to 1:30 p.m. to the hours of 9:30 a.m. to 1:15 p.m. (Central Time).

Copies of the pertinent change in Regulation 3701.02 are available from the Secretary’s Office.

Questions in this regard may be directed to Fred Seamon (312-347-3808) or Richard Jelinek (312-435-7206) in the Business Development Department.