News Release

NYMEX Announces Trading at Settlement for Energy Futures Contracts Traded on CME Globex®

Fri Jul 28 2006

New York, N.Y., July 28, 2006 — The New York Mercantile Exchange, Inc. today announced that trading at settlement (TAS) will be available for all full-sized NYMEX financial energy futures contracts traded on CME Globex, beginning on August 6 for trade date August 7.

The TAS products and their commodity codes will be: WTI crude oil financial TAS (WST); RBOB gasoline financial TAS (RTT); heating oil financial TAS (BHT); natural gas penultimate financial TAS (HPT); natural gas last day financial TAS (HHT); Brent crude oil financial TAS (BBT); NYMEX Europe Brent crude oil TAS (SCT); and NYMEX Europe gasoil TAS (GRT).

TAS contracts will be available for the first two listed months for these products and will be subject to the existing TAS rules of the underlying physical products. Trading in all TAS products will cease daily at 2:30 PM EST.

All fees will be based on the existing rate structure for the cleared products on CME Globex.

For more information, visit 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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