News Release

NYMEX to Change Margins for RBOB Gasoline, Related Futures Contracts

Thu Jan 11 2007

NEW YORK, N.Y., January 11, 2007 — The New York Mercantile Exchange, Inc. today announced that it will change margins for its RBOB gasoline and related futures contracts, effective at the close of business tomorrow.

Margins for the first month of the RBOB gasoline, RBOB gasoline financial, and RBOB calendar swap futures contracts will increase to $4,000 from $3,250 for clearing members; to $4,400 from $3,575 for members; and to $5,400 from $4,388 for customers. The margins for the second through eighth months will increase to $4,250 from $3,500 for clearing members; to $4,675 from $3,850 for members; and to $5,738 from $4,725 for customers. Margins on all other months will increase to $3,750 from $3,000 for clearing members; to $4,125 from $3,300 for members; and to $5,063 from $4,050 for customers.

The margins for the first month of the NYMEX miNYTM RBOB gasoline futures contract will increase to $2,000 from $1,625 for clearing members; to $2,200 from $1,788 for members; and to $2,700 from $2,194 for customers. Margins for the second through eighth months will increase to $2,125 from $1,750 for clearing members; to $2,338 from $1,925 for members; and to $2,869 from $2,363 for customers. Margins on all other months will increase to $1,875 from $1,500 for clearing members; to $2,063 from $1,650 for members; and to $2,531 from $2,025 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.

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