News Release

NYMEX to Change Margins for Heating Oil, RBOB Gasoline and Related Futures Contracts

Wed Jan 03 2007

NEW YORK, N.Y., January 3, 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 and the RBOB gasoline, RBOB calendar swap, RBOB gasoline financial, and NYMEX miNY RBOB gasoline futures contracts, effective at the close of business tomorrow.

Margins for the first to eighth months of the heating oil, New York Harbor heating oil calendar swap, and heating oil financial futures contracts will decrease to $3,250 from $4,000 for clearing members; to $3,575 from $4,400 for members; and to $4,388 from $5,400 for customers. The margins for the ninth through 12th months will increase to $3,500 from $3,000 for clearing members; to $3,850 from $3,300 for members; and to $4,725 from $4,050 for customers. Margins for all other months will increase to $3,000 from $2,500 for clearing members; to $3,300 from $2,750 for members; and to $4,050 from $3,375 for customers.

Margins for the first to eighth months of the NYMEX miNY heating oil futures contract will decrease to $1,625 from $2,000 for clearing members; to $1,788 from $2,200 for members; and to $2,194 from $2,700 for customers. Margins for the ninth to 12th months will increase to $1,750 from $1,500 for clearing members; to $1,925 from $1,650 for members; and to $2,363 from $2,025 for customers. Margins for all other months will increase to $1,500 from $1,250 for clearing members; to $1,650 from $1,375 for members; and to $2,025 from $1,688 for customers.

Margins for the first month of the RBOB gasoline, RBOB calendar swap, and RBOB gasoline financial futures contracts will decrease to $3,250 from $4,500 for clearing members; to $3,575 from $4,950 for members; and to $4,388 from $6,075 for customers. The margins for the second to eighth months 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 for all other months will decrease to $3,000 from $3,500 for clearing members; to $3,300 from $3,850 for members; and to $4,050 from $4,725 for customers.

The margins for the first month of the NYMEX miNY RBOB gasoline futures contract will decrease to $1,625 from $2,250 for clearing members; to $1,788 from $2,475 for members; and to $2,194 from $3,038 for customers. Margins for the second through eighth months will decrease to $1,750 from $2,000 for clearing members; to $1,925 from $2,200 for members; and to $2,363 from $2,700 for customers. Margins for all other months will decrease to $1,500 from $1,750 for clearing members; to $1,650 from $1,925 for members; and to $2,025 from $2,700 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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