CME Hurricane Margins Effective 6/6/07

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms, Chief Financial Officers, Back Office Managers & Margin Managers
From	Clearing House Department
Subject	CME Hurricane Margins Effective 6/6/07
Notice Date	2007-06-05
Notice Number	07-128
Effective Date	2007-06-06
Chicago Mercantile Exchange Inc., Performance Bond staff approved the performance bond requirements for Weather products listed on the attached advisory. These margins will become effective with the close of business on Wednesday, June 6, 2007. For the full text of this advisory . . .