News Release

Exchange Announces Margins for New European Petroleum Swaps Futures Contracts on NYMEX ClearPort®

Thu Mar 09 2006

NEW YORK, N.Y., March 9, 2006 — The New York Mercantile Exchange, Inc., today announced margin rates for its new European petroleum swap futures contracts that begin trading on NYMEX ClearPort® on March 12 for the trade date of March 13.

The margins on the NYMEX Brent bullet swap futures contracts through December 2006 will be $3,500 for clearing members, $3,850 for members, and $4,725 for customers. Margins on all other months will be $2,500 for clearing members, $2,750 for members, and $3,375 for customers. The intra-commodity spread margins for the first month will be $400 for clearing members, $440 for members, and $540 for customers. Intra-commodity spread margins for the second through sixth months will be $250 for clearing members, $275 for members, and $338 for customers. The intra-commodity spread margins for the seventh through 11th months will be $150 for clearing members, $165 for members, and $203 for customers. The margins on all other months will be $100 for clearing members, $110 for members, and $135 for customers.

The margins on the NYMEX Brent–WTI bullet swap futures contract through December 2006 will be $350 for clearing members, $385 for members, and $473 for customers. The margins on all other months will be $250 for clearing members, $275 for members, and $338 for customers. Intra-commodity spread margins for all months will be $50 for clearing members, $55 for members, and $68 for customers.

Margins on the first month of the European Gasoil (ICE) calendar swap futures contract will be $33,800 for clearing members, $37,180 for members, and $45,630 for customers. The margins on the second through sixth months will be $32,000 for clearing members, $35,200 for members, and $43,200 for customers. Margins on the seventh through 11th months will be $28,200 for clearing members, $31,020 for members, and $38,070 for customers. The margins on all other months will be $24,500 for clearing members, $26,950 for members, and $33,075 for customers. Intra-commodity spread margins for the first month will be $2,000 for clearing members, $2,200 for members, and $2,700 for customers. The intra-commodity spread margins for the second through 11th months will be $1,250 for clearing members, $1,375 for members, and $1,688 for customers. Intra-commodity spread margins for all other months will be $750 for clearing members, $825 for members, and $1,013 for customers.

Margins on all months of the European Gasoil 0.2 CIF Mediterranean swap, European gasoil 10PPM Rotterdam barges swap, European ULSD 50 PPM CIF Northwest Europe swap, European ULSD 50 PPM CIF Mediterranean swap, and European ULSD 50 PPM FOB Mediterranean swap futures contracts will be $21,000 clearing members, $23,100 for members, and $28,350 for customers. Intra-commodity spread margins for all months will be $3,400 for clearing members, $3,740 for members, and $4,590 for customers.

The margins on all months of the 3.5% fuel oil Rotterdam vs. 3.5% FOB Mediterranean spread swap futures contract will be $3,400 clearing members, $3,740 for members, and $4,590 for customers. Intra-commodity spread margins for all months will be $350 for clearing members, $385 for members, and $473 for customers.

Margins on all months of the 3.5% fuel oil FOB Mediterranean crack spread swap futures contracts will be $2,750 clearing members, $3,025 for members, and $3,713 for customers. Intra-commodity spread margins for all months will be $200 for clearing members, $220 for members, and $270 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

Corporate Communications

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