News Release

NYMEX to Change Margins for Heating Oil, Related Futures Contracts

Fri Nov 02 2007

NEW YORK, N.Y., November 2, 2007 -- The New York Mercantile Exchange, Inc. announced today that it will change margins for the heating oil, New York Harbor heating oil calendar swap, heating oil financial, and NYMEX miNYTM heating oil futures contracts, effective at the close of business on November 5.

Margins for the first month of the heating oil, New York Harbor heating oil calendar swap, and heating oil financial futures contracts will increase to $5,250 from $4,500 for clearing members to $5,775 from $4,950 for members, and to $7,088 from $6,075 for customers. The margins for the second to eighth months will increase to $4,750 from $4,250 for clearing members, to $5,225 from $4,675 for members, and to $6,413 from $5,738 for customers. Margins for all other months will remain the same.

The margins for the first month of the NYMEX miNY heating oil futures contract will increase to $2,625 from $2,250 for clearing members, to $2,888 from $2,475 for members, and to $3,544 from $3,038 for customers. Margins for the second to eighth months will increase to $2,375 from $2,125 for clearing members, to $2,613 from $2,338 for members; and to $3,206 from $2,869 for customers. The margins for all other months will remain unchanged.
 
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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: Steffanie Marchese 212-299-2455 or Keil Decker 212-299-2209

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