CBT Gold Margins Effective 9/6/06

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	CBT Gold Margins Effective 9/6/06
Notice Date	2006-09-05
Notice Number	06-220
Effective Date	2006-09-06
Chicago Mercantile Exchange Inc. and Chicago Board of Trade Performance Bond staff approved the performance bond requirements for the following products on the attached advisory. These margins will become effective at the close of business on Wednesday, September 6, 2006. For the full text of this advisory . . .