The Exchange has announced changes in Exchange minimum margin requirements which become effective with the launch of specified new products on Monday, October 15, 2007. 

These changes are detailed on the Exchange’s website at www.cbot.com/cbot/pub/page/0,3181,136,00.html#Changes. 

Questions in this regard may be directed to Nikolai Mazeika, 312-347-4132 or nikolai.mazeika@cmegroup.com.