News Release

NYMEX Crosses One Million Contract Daily Volume Milestone on CME Globex®

Fri Aug 10 2007

NEW YORK, Aug. 10 /PRNewswire-FirstCall/ -- The New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE: NMX), announced that it set daily volume records yesterday on the CME Globex electronic trading platform, including more than 1 million total contracts traded.

Total contracts traded on CME Globex reached 1,039,413 surpassing the 993,324 on July 26.

Natural gas futures totaled 150,031 exceeding the 137,562 contracts traded on January 31.

Copper futures totaled 21,175 beating the 19,038 contracts traded on August 8.

NYMEX launched its physically settled futures contracts for trading on CME Globex during regular open outcry trading hours on September 5, 2006, following its initial offering of financially settled, standard-sized and NYMEX miNY energy futures contracts for trading on CME Globex on June 12, 2006. On December 4, 2006, NYMEX introduced full-sized and COMEX miNY metals futures contracts for side by side trading. Options trading was launched on CME Globex on June 25.

Access to electronic trading of NYMEX energy and metals products is available virtually 24 hours a day on CME Globex. For more information, go to http://www.nymexoncmeglobex.com/.

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.

SOURCE: NYMEX Holdings, Inc.

CONTACT: Anu Ahluwalia, +1-212-299-2439, or Keil Decker, +1-212-299-2209,
both of NYMEX; or Allan Schoenberg of CME Group, +1-312-930-8189

Web site: http://www.nymex.com/
http://www.nymexoncmeglobex.com/

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