The Board of Directors has approved revised contract specifications for CBOT Rough Rice contracts as indicated below.  The revisions in the last trading day and the last delivery day will be effective for all Rough Rice futures contract months from May 2007 forward.  The revisions in trading hours will become effective Monday, May 1, 2006 for all Rough Rice futures and options.

-        Change the last trading day from the eighth to the last business day of the delivery month to the business day prior to the 15^th calendar day of the delivery month;

-        Change the last delivery day from the last business day of the delivery month to the seventh business day following the last trading day; and

-        Change open auction trading hours from the hours of 9:15 a.m. to 1:30 p.m. to the hours of 9:30 a.m. to 1:15 p.m.

Copies of the pertinent regulation changes (in Regulations 3701.06, 3702.03 and 3701.02) are available from the Secretary’s Office.

Questions in this regard may be directed to John Hill in the Registrar’s Office (312-435-3592) or Fred Seamon in Business Development (312-347-3808).