News Release

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

Wed Oct 18 2006

New York, N.Y., October 18, 2006 — The New York Mercantile Exchange, Inc. announced today that it set daily volume records for crude oil and natural gas futures contracts traded on the CME Globex electronic trading platform yesterday.

Crude oil futures contracts totaled 197,737 surpassing the 189,927 contracts traded on October 12. Natural gas futures traded a record 37,067 contracts, exceeding the 34,969 contracts traded on October 16. 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. 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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