Performance Bond Requirement Changes - Effective Tuesday, November 25, 2008

Performance Bond (Margin) Advisory Notices

To	Clearing Member Firms;Chief Financial Officers;Back Office Managers;Margin Managers
From	CME Clearing
Subject	Performance Bond Requirement Changes - Effective Tuesday, November 25, 2008
Notice Date	2008-11-24
Notice Number	08-366
Effective Date	2008-11-25
To receive advanced notification of Performance Bond (margin) changes, through our free automated mailing list, go to: http://www.cmegroup.com/newsletter/web2lead/web2sf-old.html and subscribe to the Performance Bond Rates Advisory Notices listserver. As per the normal review of market volatility to ensure adequate collateral coverage, the Chicago Mercantile Exchange Inc., Clearing House Risk Management staff approved the performance bond requirements for the following products listed below. The rates are effective at the close of business on Tuesday, November 25 ^th, 2008. MARGIN RATE AND TIER CHANGES FOR NATURAL GAS FUTURES (NG), HENRY HUB SWAP FUTURES (NN), NATURAL GAS PENULTIMATE (HP), NATURAL GAS LAST DAY (HH), GLOBEX NATURAL GAS miNY™ FUTURES (QG), HENRY HUB SWING SWAP FUTURES (SN), AND HENRY HUB PENULTIMATE SWAP (NP) CONTRACTS For the full text of this advisory...