News Release

NYMEX to Change Margins for Petroleum Products Futures Contracts on NYMEX Clearport®

Mon Mar 05 2007

NEW YORK, N.Y., March 5, 2007 — The New York Mercantile Exchange, Inc. today announced margin changes for some of its petroleum products futures contracts on NYMEX ClearPort® beginning at the close of business tomorrow.

The margins for the WTI-Brent calendar swap futures contract will increase to $1,000 from $700 for clearing members, to $1,100 from $770 for members, and to $1,350 from $945 for customers.

Margins for the European gasoil 0.2 CIF Northwest Europe vs. gasoil, European naphtha crack spread, RBOB up-down calendar swap, and Singapore fuel oil spread swap futures contracts will decrease to $1,800 from $2,000 for clearing members, to $1,980 from $2,200 for members, and to $2,430 from $2,700 for customers.

Margins for the European gasoil 0.2 FOB Mediterranean vs. gasoil swap futures will decrease to $4,000 from $4,500 for clearing members, to $4,400 from $4,950 for members, and to $5,400 from $6,075 for customers.

Margins for the European ULSD 50 PPM CIF Northwest Europe swap futures contract will decrease to $30,000 from $35,000 for clearing members, to $33,000 from $38,500 for members, and to $40,500 from $47,250 for customers.

The margins for the first month of the East-West fuel oil spread swap futures contract will decrease to $6,000 from $7,000 for clearing members, to $6,600 from $7,700 for members, and to $8,100 from $9,450 for customers. All other months will remain the same.

Margins for the European ULSD 50 PPM CIF Northwest Europe vs. gasoil swap futures contract will decrease to $6,000 from $7,000 for clearing members, to $6,600 from $7,700 for members, and to $8,100 from $9,450 for customers.

The margins for the 1% fuel oil Northwest Europe crack spread swap futures contract will increase to $3,000 from $2,200 for clearing members, to $3,300 from $2,420 for members, and to $4,050 from $2,970 for customers.

The margins for the 3.5% fuel oil Rotterdam crack swap futures contract will increase to $3,500 from $2,200 for clearing members, to $3,850 from $2,420 for members, and to $4,725 from $2,970 for customers.

Margins for the Singapore gasoil vs. Rotterdam gasoil swap futures contract will increase to $2,000 from $1,500 for clearing members, to $2,200 from $1,650 for members, and to $2,700 from $2,025 for customers.

Margins for the European gasoil crack spread swap futures contract will increase to $4,000 from $3,000 for clearing members, to $4,400 from $3,300 for members, and to $5,400 from $4,050 for customers.

The margins for the Gulf Coast No. 6 fuel oil 3.0% sulfur swap futures contract 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.

The margins for the Gulf Coast No. 6 fuel oil crack swap futures contract will decrease to $2,000 from $2,415 for clearing members, to $2,200 from $2,657 for members, and to $2,700 from $3,260 for customers.

The margins for the Gulf Coast No. 2 heating oil crack calendar swap futures contract will decrease to $2,000 from $2,500 for clearing members, to $2,200 from $2,750 for members, and to $2,700 from $3,375 for customers.

Margins for the Russian export blend crude oil (REBCO) futures contract will increase to $5,000 from $4,000 for clearing members, to $5,500 from $4,400 for members, and to $6,750 from $5,400 for customers.

The margins for the European Argus gasoline crack spread swap futures contract will decrease to $2,000 from $3,000 for clearing members, to $2,200 from $3,300 for members, and to $2,700 from $4,050 for customers.

Margins for the New York Harbor conventional gasoline vs. RBOB swap futures contract will increase to $700 from $500 for clearing members, to $770 from $550 for members, and to $945 from $675 for customers.

The margins for the Singapore naphtha swap futures contract will increase to $2,500 from $2,000 for clearing members, to $2,750 from $2,200 for members, and to $3,375 from $2,700 for customers.

Margins for the Singapore fuel oil 180cst calendar swap futures contract will increase to $20,000 from $15,000 for clearing members, to $22,000 from $16,500 for members, and to $27,000 from $20,250 for customers.

The margins for the European naphtha calendar swap futures contract will increase to $39,000 from $28,000 for clearing members, to $42,900 from $30,800 for members, and to $52,650 from $37,800 for customers.

Margins for the No.2 heating oil up-down spread calendar swap futures contract will increase to $1,200 from $1,000 for clearing members, to $1,320 from $1,100 for members, and to $1,620 from $1,350 for customers.

The margins for the European 3.5% fuel oil Rotterdam calendar swap futures contract will increase to $18,000 from $15,000 for clearing members, to $19,800 from $16,500 for members, and to $24,300 from $20,250 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: Brenda Guzman, 212-299-2436 or  Keil Decker, 212-299-2209

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