News Release

NYMEX to Change Margins for Crude Oil and Petroleum Swap Futures Contracts on NYMEX ClearPort®

Wed Mar 05 2008

New York, N.Y., March 5, 2008 -- The New York Mercantile Exchange, Inc. today announced margin changes for some of its crude oil and petroleum products swap futures contracts on NYMEX ClearPort, beginning at the close of business tomorrow.

Margins for the first month of the Northwest Europe gasoline swap (Argus) futures contract will increase to $52,000 from $50,000 for clearing members, to $57,200 from $55,000 for members, and to $70,200 from $67,500 for customers. The margins for all other months will remain the same.

Margins for the Gulf Coast ultra low sulfur diesel crack spread swap (Argus), European Naphtha crack spread, and Gulf Coast ultra low sulfur diesel crack spread swap (Platts) futures contracts 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 Chicago ethanol swap (Platts) futures contracts 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.

Margins for the Dubai crude oil calendar swap (Platts) futures contract will increase to $5,500 from $5,000 for clearing members, to $6,050 from $5,500 for members, and to $7,425 from $6,750 for customers.

The margins for the European gasoil 0.2 CIF Northwest Europe vs. gasoil 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 European ultra low sulfur diesel 50 PPM CIF Mediterranean swap futures contract will increase to $32,000 from $25,000 for clearing members, to $35,200 from $27,500 for members, and to $43,200 from $33,750 for customers.

The margins for the European gasoil 10 PPM Rotterdam barges vs. gasoil futures contract will decrease to $10,000 from $12,000 for clearing members, to $11,000 from $13,200 for members, and to $13,500 from $16,200 for customers.

Margins for the first month of the East-West fuel oil spread swap (Platts) futures contract will decrease to $7,000 from $8,000 for clearing members, to $7,700 from $8,800 for members, and to $9,450 from $10,800 for customers. The margins for all other months will remain unchanged.

The margins for the European ultra low sulfur diesel 50 PPM CIF Northwest Europe vs. gasoil futures contract will decrease to $8,000 from $10,000 for clearing members, to $8,800 from $11,000 for members, and to $10,800 from $13,500 for customers.

Margins for the 1% fuel oil Northwest Europe crack spread swap, 3.5% fuel oil Rotterdam crack spread swap, and European gasoil crack spread swap futures contracts will increase to $4,500 from $4,000 for clearing members, to $4,950 from $4,400 for members, and to $6,075 from $5,400 for customers.

The margins for the Gulf Coast heating oil calendar swap futures contract will decrease to $3,000 from $6,000 for clearing members, to $3,300 from $6,600 for members, and to $4,050 from $8,100 for customers.

Margins for the European gasoil 10 PPM Rotterdam barges swap futures contract will increase to $35,000 from $21,000 for clearing members, to $38,500 from $23,100 for members, and to $47,250 from $28,350 for customers.

The margins for the Singapore 380cst fuel oil futures contract will increase to $2,500 from $1,400 for clearing members, to $2,750 from $1,540 for members, and to $3,375 from $1,890 for customers.

Margins for the Japan C&F Naphtha swap (Platts) futures contract will increase to $50,000 from $40,000 for clearing members, to $55,000 from $44,000 for members, and to $67,500 from $54,000 for customers.

The margins for the Los Angeles Jet (OPIS) spread swap futures contract will decrease to $3,000 from $4,000 for clearing members, to $3,300 from $4,400 for members, and to $4,050 from $5,400 for customers.

Margins for the Los Angeles CARB diesel (OPIS) spread swap futures contract will decrease to $3,500 from $4,500 for clearing members, to $3,850 from $4,950 for members, and to $4,725 from $6,075 for customers.

Margins for the up-down Gulf Coast ultra low sulfur diesel vs. NYMEX heating oil spread swap (Platts) 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.

The margins for the Gulf Coast ultra low sulfur diesel futures contract will increase to $6,000 from $4,250 for clearing members, to $6,600 from $4,675 for members, and to $8,100 from $5,738 for customers.

The margins for the Gulf Coast ultra low sulfur diesel swap (Platts) futures contract will increase to $6,000 from $5,000 for clearing members, to $6,600 from $5,500 for members, and to $8,100 from $6,750 for customers.

Margins for the Gulf Coast No. 6 fuel 3.0% sulfur swap (Platts) and Singapore Naphtha swap (Platts) futures contracts 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 New York Harbor residual fuel 1% sulfur swap (Platts) futures contract will increase to $4,200 from $4,000 for clearing members, to $4,620 from $4,400 for members, and to $5,670 from $5,400 for customers.

Margins for the Mt. Belvieu propane (OPIS) swap futures contract will increase to $3,500 from $2,000 for clearing members, to $3,850 from $2,200 for members, and to $4,725 from $2,700 for customers.

The margins for Singapore jet kerosene vs. gasoil spread swap (Platts) futures contract will decrease to $1,500 from $1,750 for clearing members, to $1,650 from $1,925 for members, and to $2,025 from $2,363 for customers.

Margins for the Gulf Coast unleaded 87 gasoline crack spread calendar swap (Platts) futures contract 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.

The margins for Singapore fuel oil 380 cst calendar swap (Platts) futures contract will increase to $25,000 from $23,000 for clearing members, to $27,500 from $25,300 for members, and to $33,750 from $31,050 for customers.

Margins for the European gasoil 0.2 Rotterdam calendar swap futures contract will increase to $40,000 from $30,000 for clearing members, to $44,000 from $33,000 for members, and to $54,000 from $40,500 for customers.

The margins for the first month of the European Naphtha calendar swap futures contract will increase to $48,000 from $45,000 for clearing members, to $52,800 from $49,500 for members, and to $64,800 from $60,750 for customers. The margins for all other months will remain the same.

Margins for the No. 2 heating oil up-down spread calendar swap (Platts) futures contract will decrease to $1,200 from $1,500 for clearing members, to $1,320 from $1,650 for members, and to $1,620 from $2,025 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 David Garland, 212-299-2549

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