News Release

Exchange to Change Intra-Commodity Spread Margins for Bullet Swap Futures Contracts

Wed Feb 22 2006

NEW YORK, N.Y., February 22, 2006 — New York Mercantile Exchange, Inc., today announced margin changes for its WTI bullet and Brent bullet swap futures contracts, as of the close of business today.

Margins for the second to fifth months will decrease to $250 from $400 for clearing members, to $275 from $440 for members, and to $338 from $540 for customers.

Margins for the sixth to 12th months will decrease to $150 from $400 for clearing members, to $165 from $440 for members, and to $203 from $540 for customers.

Margins for all other months will decrease to $100 from $400 for clearing members, to $110 from $440 for members, and to $135 from $540 for customers.

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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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