News Release

NYMEX to Change Margins for Palladium Futures Contracts

Wed Sep 12 2007

NEW YORK, N.Y., September 12, 2007 -- The New York Mercantile Exchange, Inc. announced today that it will change margins for its palladium and Asian palladium futures contracts, effective at the close of business tomorrow.

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

Margins for the Asian palladium futures contract will increase to $241 from $201 for clearing members, to $265 from $221 for members, and to $325 from $298 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: Steffanie Marchese, 212-299-2455 or Keil Decker, 212-299-2209

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