New OneChicago Product Effective 8/2/07

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	New OneChicago Product Effective 8/2/07
Notice Date	2007-08-01
Notice Number	07-179
Effective Date	2007-08-02
Chicago Mercantile Exchange Inc., Performance Bond staff approved the performance bond requirements for the new OneChicago product listed on the attached advisory. These margins will become effective with the launch of this product on Thursday, August 2, 2007. For the full text of this advisory . . .