REVISED: CME Performance Bonds Effective 12/30/05

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	REVISED: CME Performance Bonds Effective 12/30/05
Notice Date	2005-12-29
Notice Number	05-300
Effective Date	2005-12-30
Chicago Mercantile Exchange Inc., Performance Bond staff approved the performance bond requirements for the Weather products listed on the attached advisory. These margins will become effective with the close of business on Friday, December 30, 2005. For the full text of this advisory . . .