News Release

NYMEX Announces Margins, Position Accountability Reporting Levels for REBCO Futures on CME Globex®

Wed Oct 11 2006

NEW YORK, N.Y., October 11, 2006 — The New York Mercantile Exchange, Inc. today announced the position accountability, expiring month position limits and reporting levels for its new Russian export blend crude oil (REBCO) futures contract that will be offered for trading on CME Globex beginning on October 22 for trade date October 23.

The position accountability level will be 10,000 contracts for any single month or all months. For the last three days of the expiring month, contracts have a 730-contract position limit. Clearing members must identify customers with a position of 25 or more contracts to NYMEX.

For more information, go to www.nymexoncmeglobex.com.

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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 or  Allan Schoenberg, CME, 312-930-8189

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