News Release

NYMEX Energy, Metals Futures Contracts Set Daily Volume Records on CME Globex®

Thu Dec 07 2006

New York, N.Y., December 7, 2006 — The New York Mercantile Exchange, Inc. announced today that it set daily volume records for gold, RBOB gasoline, and copper futures contracts traded on the CME Globex electronic trading platform this week.

Yesterday, gold futures traded a record 32,444 contracts, exceeding the 29,513 contracts traded on NYMEX ACCESS® on May 15. On December 5, RBOB gasoline futures reached 32,457 contracts, surpassing the 31,754 contracts traded on November 29 and copper futures traded a record 3,018 contracts, topping the 2,477 contracts traded on NYMEX ACCESS on April 21.

NYMEX launched its physically settled futures contracts for trading on CME Globex during regular open outcry trading hours on September 5, following its initial offering of financially settled, standard-sized and NYMEX miNY energy futures contracts for trading on CME Globex on June 12. On December 4, NYMEX introduced full-sized and COMEX miNY 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  Allan Schoenberg, CME, 312-930-8189

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