As previously announced, CBOT^® mini-sized Corn, mini-sized Soybean and mini-sized Wheat futures will be listed for electronic trading on e-cbot^® beginning Sunday evening May 13, 2007 (trade date May 14, 2007).

Electronic ticker symbols and trading hours (Central time – Sunday through Friday) for these futures contracts will be:

            -           XC mini-sized Corn 6:30 p.m. to 6:00 a.m.
            -           XB mini-sized Soybeans 6:31 p.m. to 6:00 a.m.
            -           XW mini-sized Wheat 6:32 p.m. to 6:00 a.m.

Additionally, all of these contracts will continue to trade in the open auction market from 9:30 a.m. to 1:45 p.m. (Central time) Monday through Friday.

Membership privileges in these contracts will be the same for e-cbot as they are for open auction.

The complete schedule of CBOT fees for electronic trading in mini-sized agricultural futures is available at the Exchange’s website at www.cbot.com.