News Release

NYMEX to Change Margins for Natural Gas Swing Swap Futures Contract

Wed Nov 07 2007

NEW YORK, N.Y., November 7, 2007 -- The New York Mercantile Exchange, Inc. today announced margin changes for its Kern River, Wyoming daily swing swap futures contract, beginning at the close of business tomorrow.

Margins will increase to $5,000 from $3,000 for clearing members, to $5,500 from $3,300 for members, and to $6,750 from $4,050 for customers

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Contact: Anu Ahluwalia 212-299-2439 or  Keil Decker, 212-299-2209

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