News Release

NYMEX Sets Daily Volume Record for Gold Futures on CME Globex®

Fri May 11 2007

New York, N.Y., May 11, 2007 — The New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE:NMX), announced today that it set a daily volume record for its gold futures contract on the CME Globex electronic trading platform yesterday.

Gold futures reached 136,881 contracts, surpassing the 129,395 contracts traded on March 28.

NYMEX launched its physically settled futures contracts for trading on CME Globex during regular open outcry trading hours on September 5, 2006, following its initial offering of financially settled, standard–sized and NYMEX miNYTM energy futures contracts for trading on CME Globex on June 12. On December 4, NYMEX introduced full–sized and COMEX miNYTM metals futures contracts for side–by–side trading.

Access to electronic trading of NYMEX energy and metals products is available virtually 24 hours a day on CME Globex.

For more information, go to www.nymexoncmeglobex.com.

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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: Anu Ahluwalia, NYMEX, 212-299-2439 or  Keil Decker, NYMEX, 212-299-2209 or  Allan Schoenberg, CME, 312-930-8189

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