News Release

NYMEX to Change Margins for Oman Crude Oil Futures Contracts

Tue May 20 2008

New York, N.Y., May 20, 2008 --  The New York Mercantile Exchange, Inc. today announced margin changes for the Oman crude oil futures contact, effective at the close of business tomorrow.

Margins will decrease to $7,500 from $8,000 for clearing member, to $8,250 from $8,800 for members, and to $10,125 from $10,800 for customers. 


Forward Looking and Cautionary StatementsThis 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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