CME Performance Bonds Effective 12/21/06

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	CME Performance Bonds Effective 12/21/06
Notice Date	2006-12-21
Notice Number	06-315
Effective Date	2006-12-21
Chicago Mercantile Exchange Inc., Performance Bond staff approved the performance bond requirements for the following products listed on the attached advisory. These margins will become effective with the close of business today, Thursday, December 21, 2006. For the full text of this advisory . . .