News Release

Exchange Changes Margins for NYMEX ClearPortsm Petroleum Spread Futures Contracts

Fri Feb 25 2005
NEW YORK, N.Y., February 25, 2005 — The New York Mercantile Exchange, Inc., will change the margins on NYMEX Clearportsm petroleum spread futures contracts at the close of business on Monday.

Margins on all months of the Gulf Coast gasoline vs. Gulf Coast heating oil spread swap futures contract and the New York Harbor unleaded gasoline vs. New York Harbor heating oil spread swap futures contract will increase to $1,750 from $600 for clearing members, to $1,925 from $660 for members, and to $2,363 from $891 for customers.

Margins on all months of the Gulf Coast jet fuel vs. New York Harbor heating oil spread swap futures contract will decrease to $350 from $600 for clearing members, to $385 from $660 for members, and to $473 from $891 for customers.

Margins on all months of the Gulf Coast heating oil crack spread swap futures contract and the Gulf Coast unleaded 87 gasoline crack spread swap futures contract will increase to $2,100 from $1,680 for clearing members, to $2,310 from $1,848 for members, and to $2,835 from $2,495 for customers.

Margins on all months of the heating oil up-down spread swap futures contract will increase to $400 from $312 for clearing members, to $440 from $343 for members, and to $540 from $463 for customers.

Margins on all months of the unleaded 87 gasoline up-down spread swap futures contract will decrease to $400 from $600 for clearing members, to $440 from $660 for members, and to $540 from $891 for customers.

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