News Release

NYMEX to Change Margins for Platinum Futures Contracts

Tue Nov 07 2006

NEW YORK, N.Y., November 7, 2006 — The New York Mercantile Exchange, Inc. today announced margin changes for its platinum and NYMEX miNY™ platinum futures contracts, beginning at the close of business tomorrow.

Margins for the platinum futures contract will increase to $3,000 from $2,000 for clearing members, to $3,300 from $2,000 for members, and to $4,050 from $2,700 for customers. The margins for the NYMEX miNY platinum futures contract will increase to $600 from $500 for clearing members, to $660 from $550 for members, and to $810 from $675 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: Brenda Guzman, 212-299-2436

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