News Release

NYMEX Shareholders Vote in Favor of Comex Transaction

Tue Oct 31 2006

NEW YORK, NY, October 31, 2006 — NYMEX Holdings, Inc. (NYMEX) announced that its shareholders approved the COMEX transaction at a special meeting held today. More than 98% of the shares voted in connection with this meeting were voted in favor of the deal, as reported by the company's inspector of election and transfer agent, American Stock Transfer & Trust Company.

The consummation of this transaction is subject to the satisfaction of several conditions, including a favorable vote from COMEX members, which has not yet been scheduled, and receipt of final regulatory approval.

# # #

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 , 299-2439

Corporate Communications

+1 312 930 3434