Effective Friday, April 28, 2006 the following CBOT^® contract has been delisted until further notice:                                

COMMODITY                                                       

2006 August Dow Jones AIG Commodity Index Futures

Dow Jones," AIG ®" Dow Jones-AIG Commodity Index[SM]," and DJ-AIGCI[SM]" are service marks of Dow Jones & Company, Inc. and American International Group, Inc., as the case may be, and have been licensed for use for certain purposes by the CBOT.  The CBOT Dow Jones- AIG Commodity Index futures and futures options are not sponsored, endorsed or sold by Dow Jones, AIG, American International Group, or any of their respective subsidiaries or affiliates, and none of Dow Jones, AIG, American International Group, or any of their respective subsidiaries or affiliates, makes any representation regarding the advisability of investing in such product(s)."