News Release

NYMEX to Offer COMEX Metals Side by Side, miNYs Beginning on December 3

Tue Nov 21 2006

New York, N.Y., November 21, 2006 — The New York Mercantile Exchange, Inc. announced today that it will expand COMEX metals electronic trading to include side by side trading, COMEX miNYs, Asian metals, and London metals futures contracts on the CME Globex® electronic trading platform beginning on December 3 for trade date December 4.

NYMEX will migrate the COMEX gold, silver, copper and aluminum futures contracts, which currently trade after hours on the NYMEX ACCESS® electronic trading system to CME Globex. These contracts will also be offered on CME Globex during open outcry hours, trading virtually 24 hours a day.

NYMEX will launch COMEX miNY gold, silver, and copper futures contracts; Asian gold, platinum, and palladium futures contracts; and London primary aluminium, London SHG zinc, and London copper grade A futures contracts. In addition, NYMEX will offer calendar spreads for all of the above contracts.

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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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