CBOT Top Daily Volume & Open Interest Records For Thursday, May 17

Daily: Exchange - Futures Open Interest Record
New Record: 10,399,576 May 17, 2007
Old Record: 10,355,207 May 16, 2007

Daily: Financial - Futures Open Interest Record
New Record: 7,489,638 May 17, 2007
Old Record: 7,430,945 May 16, 2007

Daily: Treasury Complex - Futures Open Interest Record
New Record: 6,831,489 May 17, 2007
Old Record: 6,776,564 May 16, 2007

Daily: 10 Year U.S. Treasury Notes - Futures Open Interest Record
New Record: 2,973,744 May 17, 2007
Old Record: 2,971,785 May 16, 2007

Daily: 2 Year U.S. Treasury Notes - Futures and Options Open Interest Record
New Record: 1,184,219 May 17, 2007
Old Record: 1,171,434 May 15, 2007

Daily: 2 Year U.S. Treasury Notes - Futures Open Interest Record
New Record: 1,151,139 May 17, 2007
Old Record: 1,138,531 May 15, 2007

Daily: DJ AIG Excess Return (sm) Open Interest Record
New Record: 3,149 May 17, 2007
Old Record: 3,057 May 16, 2007

Daily: Energy - Futures Open Interest Record
New Record: 5,774 May 17, 2007
Old Record: 5,758 May 16, 2007

Daily: OTC Ethanol Forward Month Swap - Futures Open Interest Record
New Record: 4,919 May 17, 2007
Old Record: 4,914 May 11, 2007