CBT Performance Bonds Effective 7/19/07

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	CBT Performance Bonds Effective 7/19/07
Notice Date	2007-07-18
Notice Number	07-168
Effective Date	2007-07-19
Chicago Mercantile Exchange Inc. and Chicago Board of Trade Performance Bond staff approved the performance bond requirements for the products listed on the attached advisory. These margins will become effective at the close of business on Thursday, July 19, 2007. For the full text of this advisory . . .