News Release

NYMEX Announces Margins for the 11 New Balance of Month Petroleum Products Swap Futures Contracts on NYMEX ClearPort®

Fri Nov 30 2007

New York, N.Y., November 30, 2007 -- The New York Mercantile Exchange, Inc. today announced margins for its 11 new balance of month (BALMO) petroleum products swap futures contacts on NYMEX ClearPort clearing and trading, beginning on December 2 for trade date December 3.

Margins for the Singapore 180cst fuel oil BALMO, Singapore 380cst fuel oil BALMO, European 3.5% fuel oil (Northwest Europe) BALMO, and European 1% fuel oil (Northwest Europe) BALMO futures contracts will be $22,000 for clearing members, $24,200 for members, and $29,700 for customers. The intra-commodity spread margins will be $2,400 for clearing members, $2,640 for members, and $3,240 for customers.

Margins for the Singapore jet kerosene BALMO futures contract will be $5,000 for clearing members, $5,500 for members, and $6,750 for customers. The intra-commodity spread margins will be $250 for clearing members, $275 for members, and $338 for customers.

Margins for the Singapore gasoil BALMO and Singapore naphtha BALMO futures contracts will be $4,000 for clearing members, $4,400 for members, and $5,400 for customers. The intra-commodity spread margins will be $250 for clearing members, $275 for members, and $338 for customers.

Margins for the Dubai crude oil BALMO futures contract will be $5,000 for clearing members, $5,500 for members, and $6,750 for customers. The intra-commodity spread margins will be $480 for clearing members, $528 for members, and $648 for customers.

Margins for the first month of the European naphtha BALMO futures contract will be $35,000 for clearing members, $38,500 for members, and $47,250 for customers. The margins for all other months will also be $35,000 for clearing members, $38,500 for members, and $47,250 for customers. Intra-commodity spread margins will be $3,800 for clearing members, $4,180 for members, and $5,130 for customers.

The margins for the New York Harbor 1% fuel oil BALMO futures contract will be $4,000 for clearing members, $4,400 for members, and $5,400 for customers. Intra-commodity spread margins will be $480 for clearing members, $528 for members, and $648 for customers.

The margins for the Gulf Coast 3% fuel oil BALMO futures contract will be $3,000 for clearing members, $3,300 for members, and $4,050 for customers. Intra-commodity spread margins will be $480 for clearing members, $528 for members, and $648 for customers.

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Forward Looking and Cautionary Statements 
This press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act, with respect to our future performance, operating results, strategy, and other future events. Such statements generally include words such as could, can, anticipate, believe, expect, seek, pursue, and similar words and terms, in connection with any discussion of future results. Forward-looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause actual results to differ materially from the anticipated, estimated, or projected results referenced in forward-looking statements. In particular, the forward-looking statements of NYMEX Holdings, Inc., and its subsidiaries are subject to the following risks and uncertainties: the success and timing of new futures contracts and products; changes in political, economic, or industry conditions; the unfavorable resolution of material legal proceedings; the impact and timing of technological changes and the adequacy of intellectual property protection; the impact of legislative and regulatory actions, including without limitation, actions by the Commodity Futures Trading Commission; and terrorist activities and international hostilities, which may affect the general economy as well as oil and other commodity markets. We assume no obligation to update or supplement our forward-looking statements.

Contact: Brenda Guzman 212-299-2436 or Keil Decker, 212-299-2209 

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