Performance Bond Requirements - Nymex Cracks and Spreads; Nymex Power Changes - Effective Wednesday, November 25, 2009

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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

Wednesday, November 25, 2009.

Current rates as of:

Tuesday, November 24, 2009.

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