News Release

NYMEX to Increase Margins for Gold and Silver Futures Contracts

Wed May 03 2006

NEW YORK, N.Y., May 3, 2006 — The New York Mercantile Exchange, Inc. today announced margin changes for its gold and silver futures contracts, effective as of the close of business tomorrow.

Margins for the May, June, August, October, and December 2006 gold futures contracts will increase to $2,750 from $2,250 for clearing and non-clearing members and to $3,713 from $3,038 for customers. All other months will remain unchanged.

Margins for the May, June, July, and September 2006 silver futures contracts will increase to $6,000 from $4,500 for clearing and non-clearing members and to $8,100 from $6,075 for customers. All other months will remain unchanged.

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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: Brenda Guzman , 212-299-2436

Corporate Communications

+1 312 930 3434
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