News Release

NYMEX Announces Margins for NYMEX miNY® Platinum, Palladium Futures Contracts

Wed Aug 02 2006

New York, N.Y., August 2, 2006 — The New York Mercantile Exchange, Inc. today announced the margins for the NYMEX miNY futures contracts that begin will trading on the CME Globex® electronic trading platform on August 6 for trade date August 7.

The margin rates for the NYMEX miNY platinum futures contract will be $500 for clearing members, $550 for members, and $675 for customers. Margins for the NYMEX miNY palladium futures contract will be $750 for clearing members, $825 for members, and $1,013 for customers.

Intra-commodity spread margins for the first month of the NYMEX miNY platinum futures contract will be $100 for clearing members, $110 for members, and $135 for customers. Intra-commodity spread margins for all other months will be $60 for clearing members, $66 for members, and $81 for customers. Intra-commodity spread margins for the first month of the NYMEX miNY palladium futures contract will be $125 for clearing members, $138 for members, and $169 for customers. Intra-commodity spread margins for all other months will be $75 for clearing members, $83 for members, and $101 for customers.

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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: Anu Ahluwalia , 212-299-2439

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