News Release

NYMEX Sets Daily Volume Records for Heating Oil Futures, CME Globex

Mon Jun 11 2007

New York, N.Y., June 11, 2007 -- The New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE:NMX), announced today that it set daily volume records for heating oil and overall futures on the CME Globex electronic trading platform on June 8.

Overall futures on CME Globex reached a record 952,366 contracts, exceeding the 919,900 contracts traded on January 11.

Heating oil reached 84,165 contracts, surpassing the previous record of 82,680 contracts set on February 12.

NYMEX President and Chief Executive Officer James E. Newsome said, “We are satisfied with the continuing growth of NYMEX volume on the CME Globex electronic trading platform, as well as the records we continue to set in our energy complex.

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. On December 4, NYMEX introduced full-sized and COMEX miNY metals futures contracts for side by side trading.

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 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.

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