CBOT Top Daily Volume & Open Interest Records For Tuesday, May 22

Daily: Exchange - Futures and Options Open Interest Record
New Record: 18,623,207 May 22, 2007
Old Record: 18,498,811 May 21, 2007

Daily: Exchange - Futures Open Interest Record
New Record: 10,549,940 May 22, 2007
Old Record: 10,455,030 May 21, 2007

Daily: Financial - Futures and Options Open Interest Record
New Record: 12,938,747 May 22, 2007
Old Record: 12,822,168 May 21, 2007

Daily: Financial - Futures Open Interest Record
New Record: 7,640,028 May 22, 2007
Old Record: 7,546,530 May 21, 2007

Daily: Treasury Complex - Futures and Options Open Interest Record
New Record: 11,103,267 May 22, 2007
Old Record: 11,014,488 May 19, 2005

Daily: Treasury Complex - Futures Open Interest Record
New Record: 6,979,453 May 22, 2007
Old Record: 6,884,928 May 21, 2007

Daily: 2 Year U.S. Treasury Notes - Futures and Options Open Interest Record
New Record: 1,276,223 May 22, 2007
Old Record: 1,210,415 May 21, 2007

Daily: 2 Year U.S. Treasury Notes - Futures Open Interest Record
New Record: 1,242,058 May 22, 2007
Old Record: 1,176,281 May 21, 2007

Daily: DJ (sm) US Real Estate - Futures Open Interest Record
New Record: 202 May 22, 2007
Old Record: 182 May 21, 2007