News Release

NYMEX Sets Daily Volume Records, Including Total Volume Traded on CME Globex®

Fri Jul 27 2007

NEW YORK, July 27 /PRNewswire-FirstCall/ -- The New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE: NMX), announced that it set a number of daily volume records, including total futures and options contracts traded on the CME Globex electronic trading platform, as well as gold futures and crude oil options contracts traded on CME Globex yesterday. The gold futures contract also reached a total volume record of combined contracts traded via electronic and open outcry. Total futures and options contracts on CME Globex reached a record 993,324, exceeding the 959,721 contracts traded on July 18.

Total gold futures, on CME Globex and the trading floor, traded 257,914 contracts, surpassing the 212,848 contracts traded on November 28, 2005.

Gold futures on CME Globex totaled 198,740, topping the 137,881 contract traded on May 29.

Crude oil options on CME Globex traded 5,686 contracts, surpassing the 5,674 contracts traded on July 12.

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

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