Performance Bond Requirements: CME Security Futures - Effective Thursday, July 15, 2010

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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 on

Thursday, July 15, 2010.

Current rates as of:

Thursday, July 15, 2010.

For the full text of this advisory, please click here.