News Release

NYMEX to Change Margins for Platinum, Palladium Futures Contracts

Thu Jul 26 2007

NEW YORK, N.Y., July 26, 2007 — The New York Mercantile Exchange, Inc. announced today that it will change margins for its platinum and palladium futures contracts, effective at the close of business tomorrow.

Margins for the platinum futures contract will decrease to $2,000 from $2,500 for clearing members, to $2,200 from $2,750 for members, and to $2,700 from $3,375 for customers.

Margins for the Asian platinum futures contract will decrease to $643 from $804 for clearing members, to $707 from $884 for members, and to $955 from $1,194 for customers.

The margins for the palladium futures contract will decrease to $1,250 from $1,500 for clearing members, to $1,375 from $1,650 for members, and to $1,688 from $2,025 for customers.

Margins for the Asian palladium futures contract will decrease to $201 from $241 for clearing members, to $221 from $265 for members, and to $298 from $358 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.

Anu Ahluwalia  212-299-2439 or  Keil Decker 212-299-2209

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