News Release

NYMEX to Support ConfirmHub LLC Technology Standard

Thu Jun 07 2007

New York, NY, June 7, 2007 — NYMEX Holdings, Inc. (NYSE:NMX), the parent company of the New York Mercantile Exchange, Inc., today announced that it has signed a non-binding letter of intent with ConfirmHub LLC to join Amerex, GFI Group, ICAP Energy, Tullett & Prebon Energy, Spectron and TFS Energy in support of the ConfirmHub LLC technology standard. ConfirmHub allows energy traders and back offices to receive their NYMEX-brokered and bilateral over-the-counter (OTC), cleared trades, as well as their futures trades, on a single confirmation platform.

NYMEX Executive Chairman Richard Schaeffer said, "NYMEX is committed to being the energy industry innovator and providing leading edge tools and information to the energy trading community. We believe ConfirmHub's standardized electronic confirmation platform will yield tremendous advantages to all risk managers and users of NYMEX products and over-the-counter brokerage services."

Patrick McKinnon, Executive Director of ConfirmHub LLC, said, "The world's leading energy exchange coupled with our current slate of the largest inter-dealer brokers will provide the industry with access to a vast majority of the energy market cleared, OTC and futures trade information in one place, at one time. As a developing standard, we couldn’t be more enthusiastic about NYMEX support."

ConfirmHub is the industry effort to provide standardized format delivery of confirmations via a single secure interface. ConfirmHub facilitates straight through processing, increased efficiency, improved accuracy and eases the burden of confirmations management. More than fifty of the largest industry participants subscribe to ConfirmHub and more are adopting the standard every month. For more information about ConfirmHub and how to become a user please visit www.confirmhub.com.

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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: Keil Decker, 212-299-2209 or  Anu Ahluwalia, 212-299-2439

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