News Release

NYMEX Announces New Intra-Commodity Spread Margins for Petroleum Products Futures Contracts on NYMEX Clearport®

Fri Mar 30 2007

NEW YORK, N.Y., March 30, 2007 — The New York Mercantile Exchange, Inc. today announced intra-commodity spread margins for some of its petroleum futures contracts on NYMEX ClearPort, beginning at the close of business April 2.

The margins for the Gulf Coast low sulfur diesel swap, Gulf Coast ultra low sulfur diesel swap, New York low sulfur diesel swap, New York ultra low sulfur diesel swap, Gulf Coast low sulfur diesel crack spread swap, Gulf Coast ultra low sulfur diesel crack spread swap, New York low sulfur diesel crack spread swap, and New York ultra low sulfur diesel crack spread swap futures contracts will be $480 for clearing members, $528 for members, and $648 for customers.

Margins for the up-down Gulf Coast low sulfur diesel vs. NYMEX heating oil spread swap and up-down Gulf Coast ultra low sulfur diesel vs. NYMEX heating oil spread swap futures contracts will be $240 for clearing members, $264 for members, and $324 for customers.

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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: Steffanie Marchese, 212-299-2455 or  Keil Decker, 212-299-2209

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