CBT Performance Bonds Effective 05/16/06

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 05/16/06
Notice Date	2006-05-15
Notice Number	06-120
Effective Date	2006-05-16
Chicago Mercantile Exchange Inc. and Chicago Board of Trade Performance Bond staff approved the performance bond requirements for the following products listed on the attached advisory. These margins will become effective at the close of business on Tuesday, May 16, 2006. For the full text of this advisory . . .