News Release

NYMEX to Change Margins for Electricity Futures Contracts

Tue Nov 20 2007

NEW YORK, N.Y., November 20, 2007 -- The New York Mercantile Exchange, Inc. today announced margin changes for four of its electricity futures contract, beginning at the close of business tomorrow.

Margins for the first to 11th months of the Dow Jones Mid-Columbia, Dow Jones Palo Verde, and Dow Jones NP15 electricity prices index swap futures contracts will decrease to $7,000 from $8,000 for clearing members, to $7,700 from $8,800 for members, and to $9,450 from $10,800 for customers. Margins for all other months will decrease to $4,000 from $5,000 for clearing members, to $4,400 from $5,500 for members, and to $5,400 from $6,750 for customers.

Margins for the first month of the Dow Jones SP15 electricity prices index swap futures contract will decrease to $7,000 from $10,000 for clearing members, to $7,700 from $11,000 for members, and to $9,450 from $13,500 for customers. Margins for the second to sixth months will decrease to $7,000 from $9,000 for clearing members, to $7,700 from $9,900 for members, to $9,450 from $12,150 for customers. Margins for all other months will decrease to $4,000 from $5,000 for clearing members, to $4,400 from $5,500 for members, and to $5,400 from $6,750 for customers. 

 
###

Forward Looking and Cautionary Statements

This press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act, with respect to our future performance, operating results, strategy, and other future events. Such statements generally include words such as could, can, anticipate, believe, expect, seek, pursue, and similar words and terms, in connection with any discussion of future results. Forward-looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause actual results to differ materially from the anticipated, estimated, or projected results referenced in forward-looking statements. In particular, the forward-looking statements of NYMEX Holdings, Inc., and its subsidiaries are subject to the following risks and uncertainties: the success and timing of new futures contracts and products; changes in political, economic, or industry conditions; the unfavorable resolution of material legal proceedings; the impact and timing of technological changes and the adequacy of intellectual property protection; the impact of legislative and regulatory actions, including without limitation, actions by the Commodity Futures Trading Commission; and terrorist activities and international hostilities, which may affect the general economy as well as oil and other commodity markets. We assume no obligation to update or supplement our forward-looking statements.

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

Corporate Communications

+1 312 930 3434
Email