News Release

NYMEX to Migrate Platinum, Palladium and Propane Futures Contracts to CME Globex®

Fri Aug 04 2006

New York, N.Y., August 4, 2006 — The New York Mercantile Exchange, Inc. announced today that it would migrate the after–hours trading of platinum, palladium, and propane futures contracts from NYMEX ACCESS® to CME Globex on August 6. These contracts will also be available for side–by–side trading on CME Globex during regular floor trading hours beginning on September 4 for trade date September 5.

The contracts on CME Globex will be listed for the full curve, or all months corresponding with the underlying full–sized futures contract, and will be available for trading from 6:00 PM ET Sundays through 5:15 PM ET Fridays, with a 45-minute break each day between 5:15 PM ET and 6:00 PM ET.

NYMEX launched financially settled, standard-sized and NYMEX miNYTM energy futures contracts for trading on CME Globex on June 12. Access to electronic trading of NYMEX 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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