News Release

Exchange Sets Daily Volume Records on NYMEX Access®

Mon Aug 29 2005

NEW YORK, N.Y., August 29, 2005 — The New York Mercantile Exchange, Inc., set daily volume records on NYMEX ACCESS® for overall volume and for natural gas and heating oil futures contracts for trade date August 29.

Overall volume on NYMEX ACCESS® reached 100,767 contracts, exceeding the 100,568 contracts traded on July 7. Natural gas futures hit 18,333 contracts, surpassing the 18,010 contracts traded on February 25, 2003. Heating oil futures traded 8,457 contracts, breaking the previous record of 7,023 contracts traded on November 9, 2004.

NYMEX President James E. Newsome said, "We are pleased that the marketplace has taken advantage of our electronic trading platform to continue conducting business overnight. NYMEX strives to give its customers the best trading tools available to help mitigate their risk."

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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.

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