Performance Bond Requirement Changes -- Effective Monday, December 22nd, 2008

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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 are effective at the close of business on Monday, December 22nd, 2008.

--CRUDE OIL FUTURES CONTRACT (CL)

-- FINANCIAL CRUDE OIL CONTRACT (WS)

--CRUDE OIL CALENDAR SWAP (CS)

--NYMEX miNY CRUDE OIL CONTRACT (QM)

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