News Release

Exchange Announces Specifications for New York Gasoline Harbor Blendstock Swap Futures Contracts

Fri Apr 21 2006

NEW YORK, N.Y., April 21 2006 — The New York Mercantile Exchange, Inc. today announced position accountability levels, expiration position limits, and large trader reporting requirements for the five new New York Harbor blendstock (RBOB) swap futures contracts that begin trading on NYMEX ClearPort® on April 23 for trade date April 24.

The position accountability levels for the RBOB calendar swap and RBOB bullet swap futures contracts and the RBOB legs of the RBOB crack spread swap, RBOB up–down calendar swap, and the RBOB vs. heating swap futures contract will be aggregated with the RBOB futures contract to 7,000 contracts for any one month or all months.

The position accountability level for the WTI leg of the RBOB crack spread swap futures contract will be aggregated with the light sweet crude oil futures contacts to 20,000 contracts for any one month or all months.

The position accountability levels for the Gulf Coast unleaded gasoline leg of the RBOB up–down calendar swap futures contract will be aggregated with the Gulf Coast unleaded gasoline contract to 7,000 contracts.

The position accountability levels for the heating oil leg of the RBOB vs. heating oil swap futures contract will be aggregated with the heating oil futures contract to 7,000 contracts for any one month or all months.

The expiration position limit for the RBOB calendar swap and RBOB bullet swap futures contracts and the RBOB legs of the RBOB crack spread swap, RBOB up–down calendar swap, and the RBOB vs. heating swap futures contract will be aggregated with the RBOB futures contract to 1,000 contracts for any one month or all months.

The expiration position limit for the WTI leg of the RBOB crack spread swap futures contract will be aggregated with the light sweet crude oil futures contract to 2,000 contracts for any one month or all months.

The expiration position limit for the Gulf Coast unleaded gasoline leg of the RBOB up–down calendar swap futures contract will be aggregated with the Gulf Coast unleaded gasoline contract to 1,000 contracts.

The expiration position limit for the heating oil leg of the RBOB vs. heating oil swap futures contract will be aggregated with the heating oil futures contract to 1,000 contracts.

A 25-contract reporting level is in place for all of the above contracts.

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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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