CBT Performance Bonds Effective 12/21/05

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 12/21/05
Notice Date	2005-12-20
Notice Number	05-294
Effective Date	2005-12-21
Chicago Mercantile Exchange Inc. and Chicago Board of Trade Performance Bond staff approved the performance bond requirements for the following products listed below. These margins will become effective at the close of business on Wednesday, December 21, 2005. For the full text of this advisory . . .