CME Group

Performance Bond Requirements-Effective Tuesday, August 25, 2009

- To
- Clearing Member Firms; Chief Financial Officers; Back Office Managers; Margin Managers
- From
- CME Clearing
- #
- 09-365
- Notice Date
- 24 August 2009
- Effective Date
- 25 August 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 changes are effective at the close of business on Tuesday, August 25, 2009.

CME Security Futures Outright Rates

United States Natural Gas Fund LP (UNG)

Rate Type	Change	New Initial	New Maintenance
Clearing/Member Rate	N/A	13.00%	13.00%
Customer Rate	N/A	20.00%	20.00%

CME Security Futures Intra-Commodity Spread Rates

United States Natural Gas Fund LP (UNG) - All Months

Rate Type	Change	New Initial	New Maintenance
Clearing/Member Rate	N/A	3.00%	3.00%
Customer Rate	N/A	5.00%	5.00%

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