News Release

NYMEX to Change Margins for Heating Oil, Related Futures Contracts

Mon Jun 09 2008

NEW YORK, N.Y., June 9, 2008-- The New York Mercantile Exchange, Inc. announced today that it will change margins for the heating oil, New York Harbor heating oil calendar swap, heating oil financial, and NYMEX miNYTM heating oil futures contracts, beginning at the close of business tomorrow. 

Margins for the first month of the heating oil, New York Harbor heating oil calendar swap, and heating oil financial futures contracts will increase to $10,000 from $9,000 for clearing members, to $11,000 from $9,900 for members, and to $13,500 from $12,150 for customers.  Margins for the second month will increase to $9,500 from $8,500 for clearing members, to $10,450 from $9,350 for members, and to $12,825 from $11,475 for customers. Margins for the third through ninth months will increase to $8,750 from $8,000 for clearing members, to $9,625 from $8,800 for members, and to $11,813 from $10,800 for customers. The margins for all other months will increase to $8,000 from $7,500 for clearing members, to $8,800 from $8,250 for members, and to $10,800 from $10,125 for customers. 

Margins for the first month of NYMEX miNY heating oil futures contract will increase to $5,000 from $4,500 for clearing members, to $5,500 from $4,950 for members, and to $6,750 from $6,075 for customers. The margins for the second month will increase to $4,750 from $4,250 for clearing members, to $5,225 from $4,675 for members, and to $6,413 from $5,738 for customers. Margins for the third through ninth months will increase to $4,375 from $4,000 for clearing members, to $4,813 from $4,400 for members, and to $5,906 from $5,400 for customers.  Margins for all other months will increase $4,000 from $3,750 for clearing members, to $4,400 from $4,125 for members, and to $5,400 from $5,063 for customers. 

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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 Brenda Guzman, 212-299-2436

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