News Release

NYMEX Announces Launch Date for Side By Side Trading on CME Globex®

Wed May 10 2006

New York, N.Y., May 10, 2006 -- The board of directors of the New York Mercantile Exchange, Inc. voted today to launch side by side trading of its energy futures contracts on CME Globex, the electronic trading platform of the Chicago Mercantile Exchange, on June 11 for trade date June 12. 

As announced last week, in the initial phase of the launch, NYMEX will offer cash-settled energy futures contracts for all listed months. NYMEX miNYTM futures contracts will commence trading on CME Globex on that date as well. For the second phase of the launch, NYMEX will offer physically delivered energy futures contracts, no later than six months from the initial launch.

James E. Newsome, NYMEX president and chief executive officer, said, “NYMEX is pleased to provide the marketplace with this highly anticipated news. We look forward to offering our energy complex on the CME Globex global distribution network.”



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

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