To receive advanced notification of Performance Bond (margin) changes, through our free automated
mailing list, go tohttp://www.cmegroup.com/newsletter/web2lead/web2sf-old.htmland subscribe to the
Performance Bond Rates Advisory Notice 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 will be effective after the close of business onWednesday, June 27, 2012.Current
rates as of:Tuesday, June 26, 2012.For the full text of this advisory, please click here.