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Nymex Announces Margin Changes For Natural Gas Futures And Other Related Contracts

Date 16/08/2005

he New York Mercantile Exchange, Inc., announced today it would change the margins for natural gas, Henry Hub swap, NYMEX miNYsm natural gas, Henry Hub swing swap, and Henry Hub penultimate swap futures contracts at the close of business on August 17.

Margins on the firrst month of the natural gas futures contracts will increase to $6,500 from $5,500 for clearing members, to $7,150 from $6,050 for members, and to $8,775 from $7,425 for customers. The second month will increase to $6,500 from $5,750 for clearing members, to $7,150 from $6,325 for members, and to $8,775 from $7,763 for customers. The margins for the third month will increase to $6,750 from $6,000 for clearing members, to $7,425 from $6,600 for members, and to $9,113 from $8,100 for customers. The margins for the fourth to seventh month will increase to $7,000 from $6,250 for clearing members, to $7,700 from $6,875 for members, and to $9,450 from $8,438 for customers. The margins for all other months will remain the same.

Margins on the first month of the Henry Hub swap futures and the Henry Hub penultimate swap contracts will increase to $1,625 from $1,375 for clearing members, to $1,788 from $1,513 for members, and to $2,194 from $1,856 for customers. The second month will increase to $1,625 from $1,438 for clearing members, to $1,788 from $1,581 for members, and to $2,194 from $1,941 for customers. The margins on the third month will increase to $1,688 from $1,500 for clearing members, to $1,856 from $1,650 for members, and to $2,278 from $2,025 for customers. The margins for the fourth to seventh month will increase to $1,750 from $1,563 for clearing members, to $1,925 from $1,719 for members, and to $2,363 from $2,109 for customers. All other months will remain the same.

The margins on the first month of the NYMEX miNYsm natural gas contracts will increase to $3,250 from $2,750 for clearing members, to $3,575 from $3,025 for members, and to $4,388 from $3,173 for customers. The margins on the second month will increase to $3,250 from $2,875 for clearing members, to $3,575 from $3,163 for members, and to $4,388 from $3,881 for customers.

The margins on the first month of the Henry Hub swing swap futures contracts will increase to $1,625 from $1,375 for clearing members, to $1,788 from $1,513 for members, and to $2,194 from $1,856 for customers.
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Forward Looking and Cautionary Statements
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