News Release

Exchange to Decrease Margins on Heating Oil Futures and Calendar Swap Futures

Wed Feb 16 2005
NEW YORK, N.Y., February 16, 2005 — The New York Mercantile Exchange, Inc.,announced today that it will decrease the margins on its heating oil futures and New York Harbor heating oil calendar swap futures contracts at the close of business tomorrow.

The margins on the spot month of the heating oil futures contact will decrease to $3,500 from $4,000 for clearing members, to $3,850 from $4,400 for members, and to $4,725 from $5,400 for customers.

Margins on the second through sixth months will decrease to $3,250 from $3,750 for clearing members, to $3,575 from $4,125 for members, and to $4,388 from $5,063 for customers.

Margins on the seventh through 11th months will decrease to $2,500 from $3,000 for clearing members, to $2,750 from $3,300 for members, and to $3,375 from $4,050 for customers.

Margins for all other months will decrease to $2,250 from $2,750 for clearing members, to $2,475 from $3,025 for members, and to $3,038 from $3,713 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.

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