News Release

NYMEX Announces Margins, Position Accountability, Reporting Levels for New Singapore 380cst Fuel Oil Futures Contract on CME

Fri Sep 15 2006

NEW YORK, N.Y., September 15, 2006 — The New York Mercantile Exchange, Inc. today announced margins, position accountability, expiring month position limits and reporting levels for its new Singapore 380cst fuel oil futures contract that will be offered for trading on CME Globex beginning on September 24 for trade date September 25.

Margins will be $1,400 for clearing members, $1,540 for members, and $1,890 for customers. Intra-commodity spread margins will be $240 for clearing members, $264 for members, and $324 for customers.

The position accountability level will be 7,000 contracts for any single month or all months. For the last three days of the expiring month, contracts have a 1,000-contract position limit. Clearing members must identify customers with a position of 25 or more contracts to the Exchange.

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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

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