News Release

NYMEX Sets Daily Volume Record for Total Contracts on CME Globex®, Crude Oil Futures

Mon Jun 09 2008

New York, NY, June 9, 2008 -- The New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE: NMX), set daily volume records on June 6 for total futures and options contracts traded on the CME Globex electronic trading platform; total crude oil futures traded on electronic and open outcry venues; and crude oil futures traded on CME Globex.

Total futures and options on CME Globex traded 1,598,891 contracts, topping the 1,486,255 contracts traded on March 17.

Total crude oil futures, via electronic and open outcry trading, reached 1,092,509 contracts, surpassing the 880,873 contracts traded on November 13, 2007.

Crude oil futures traded on CME Globex totaled 983,988 contracts, exceeding the 809,048 contracts traded on May 22.

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 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.

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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; Allan Schoenberg, CME Group, 312-930-8189.

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