News Release

Exchange to Further Expand NYMEX Access® Trading Hours

Fri Mar 10 2006

NEW YORK, N.Y., March 10, 2006 —The New York Mercantile Exchange, Inc., today announced that it will extend NYMEX ACCESS® trading hours to include an additional Friday afternoon trading session, beginning on March 17 for trade date March 20.

Under the extended trading hours, all NYMEX Division energy products traded on ACCESS® will now have an additional trading session from 3:15 PM to 5:00 PM New York time each Friday afternoon and preceding all major holidays. The trade date for the additional trading session will be the following business day.

NYMEX ACCESS® trading hours for COMEX Division products will remain 2:00 PM to 4:30 PM New York time for the Friday afternoon sessions.

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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.

Contact: Anu Ahluwalia , 212-299-2439

Corporate Communications

+1 312 930 3434