Mondo Visione Worldwide Financial Markets Intelligence

FTSE Mondo Visione Exchanges Index:

Nymex To Change Margins For NYMEX miNY<sup>TM</sup> Natural Gas Futures Contracts

Date 23/12/2005

The New York Mercantile Exchange, Inc., today announced margin changes for NYMEX miNYTM natural gas futures at the close of business today.

Margins on the first month of the NYMEX miNYTM natural gas futures contract will decrease to $3,875 from $7,750 for clearing members, to $4,263 on $8,525 for members, and to $5,231 from $10,463 for customers. The margins for the second month will decrease to $4,000 from $8,000 for clearing members, to $4,400 from $8,800 for members, and to $5,400 fro $10,800 for customers.