News Release

NYMEX Energy Complex, Crude Oil Futures Contracts Set Daily Volume Records on CME Globex®

Mon Sep 11 2006

New York, N.Y., September 11, 2006 — New York Mercantile Exchange, Inc. announced today that total NYMEX energy futures and crude oil futures contracts traded on CME Globex set daily volume records on September 8.

Energy futures contracts totaled 235,758, exceeding the 208,928 contracts traded on September 7. Crude oil futures crossed the 100,000 contract milestone, when 100,293 contracts were traded on Friday.

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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: Anu Ahluwalia, NYMEX, 212-299-2439 or  Allan Schoenberg, CME, 312-930-8189

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