News Release

NYMEX to Change Margins for Gasoline and Related Futures Contracts

Wed Oct 25 2006

NEW YORK, N.Y., October 25, 2006 — The New York Mercantile Exchange, Inc. announced that it will change margins for several of its gasoline and reformulated gasoline futures contracts, effective at the close of business October 27.

Margins for the first month of the gasoline (HU), New York Harbor gasoline calendar swap, RBOB gasoline (RB), RBOB gasoline financial (RT), and RBOB calendar swap futures contracts will decrease to $4,500 from $5,000 for clearing members; to $4,950 from $5,500 for members; and to $6,075 from $6,750 for customers. The margins for the second through fifth months 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 on all other 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.

The margins for the first month of the NYMEX miNYTM RBOB gasoline futures contract will decrease to $2,250 from $2,500 for clearing members; to $2,475 from $2,750 for members; and to $3,038 from $3,375 for customers. Margins for the second through fifth months will decrease to $2,000 from $2,250 for clearing members; to $2,200 from $2,475 for members; and to $2,700 from $3,038 for customers. Margins on all other 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.

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Forward Looking and Cautionary Statements
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Contact: Brenda Guzman , 212-299-2436

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