News Release

NYMEX to Change Margins for Emissions and Freight Futures Contracts

Tue Oct 03 2006

New York, N.Y., October 3, 2006 — The New York Mercantile Exchange, Inc. today announced margin changes for some of its emissions and freight futures contracts on NYMEX ClearPort® , beginning at the close of business on October 5.

Margins for the sulfur dioxide emissions futures contract 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 Tanker Route TD5 West Africa to US Atlantic Coast and the Tanker Route TD3 Middle Eastern Gulf to Japan freight futures contracts 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 Tanker Route TD7 North Sea to Europe freight 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 first month of the Tanker Route TC2 Europe to US Atlantic Coast freight futures contract will decrease to $500 from $2,500 for clearing members, to $550 from $2,750 for members, and to $675 from $3,375 for customers. Margins on all other months will remain unchanged.

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Contact: Brenda Guzman, 212-299-2436

Corporate Communications

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