News Release

NYMEX Energy Futures Contracts Set Daily Volume Records on CME Globex®

Tue Sep 12 2006

NEW YORK, Sept. 12 /PRNewswire-FirstCall/ -- The New York Mercantile Exchange, Inc. announced that it set daily volume records for total NYMEX energy, crude oil, heating oil, and NYMEX miNY™ crude oil futures contracts traded on CME Globex yesterday.

Energy futures contracts reached 301,284, surpassing the 235,758 contracts traded on September 8. Crude oil futures totaled 120,949 contracts, exceeding the 100,293 contracts traded on Friday. Heating oil futures traded 11,523 contracts, beating the 10,401 contracts traded on August 31, 2005. NYMEX miNY crude oil futures reached 115,677 contracts, surpassing the 109,674 contracts traded on August 10.

NYMEX launched its physically settled futures contracts for trading on CME Globex during regular open outcry trading hours on September 5, following its initial offering of financially settled, standard-sized and NYMEX miNY™ energy futures contracts for trading on CME Globex on June 12. Access to electronic trading of NYMEX 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.

06-123

SOURCE: CME

CONTACT: Allan Schoenberg of CME, +1-312-930-8189

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

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