News Release

NYMEX Sets Daily Volume Records on CME Globex®

Thu Jul 20 2006

New York, N.Y., July 20, 2006 —The New York Mercantile Exchange, Inc. announced today that it set daily volume records for total energy futures and miNYTM crude oil futures traded on CME Globex on July 19.

Total energy futures volume reached 140,380 contracts, topping the 121,018 contracts traded on July 18.

The NYMEX miNYTM crude oil futures contract traded a record 107,457 contracts, surpassing the 83,230 contracts traded on July 18.

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For more information, go to www.nymexoncmeglobex.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: Brenda Guzman , 212-299-2436

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