News Release

NYMEX to Change Margins for DME Futures Contracts

Thu Feb 21 2008
New York, N.Y., February 21, 2008 --  The New York Mercantile Exchange, Inc. today announced margin changes for the DME futures and spread futures contacts, effective at the close of business tomorrow.
Margins for the Oman crude oil futures contract will increase to $5,000 from $3,450 for clearing member, to $5,500 from $3,795 for members, and to $6,750 from $4,658 for customers.
Margins for the Brent-Oman and WTI-Oman financial spread futures contracts will increase to $2,250 from $1,640 for clearing members, to $2,475 from $1,804 for members, and to $3,038 from $2,214 for customers. 
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: Anu Ahluwalia, 212-299-2439 or Keil Decker, 212-299-2209

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