CBT New Margin Requirements Effective 8/25/06

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	CBT New Margin Requirements Effective 8/25/06
Notice Date	2006-08-24
Notice Number	06-208
Effective Date	2006-08-25
Chicago Mercantile Exchange Inc. and Chicago Board of Trade Performance Bond staff approved the performance bond requirements for the following product listed on the attached advisory. These margins will become effective at the close of business on Friday, August 25, 2006. For the full text of this advisory . . .