The Notice to Members is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Exhibit 99.1 Notice to Members, dated February 14, 2006

Notice No. 06-90

This Notice to Members 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, proposed, potential and similar words and terms, in connection with any discussion of future results, including our ability to consummate the proposed merger or the proposed private placement and to use the proceeds therefrom to make the extraordinary cash distribution and/or to pay fees and expenses incurred in connection with the merger or the private placement of Series A Preferred Stock to General Atlantic, and our exploration of and ability to consummate, including as a result of market conditions, a potential initial public offering or other strategic alternative. Forward-looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause a ctual results to differ materially from the anticipated, estimated, or projected results referenced in the forward-looking statements. In particular, the forward-looking statements of NYMEX Holdings, Inc., and its subsidiaries are subject to the following risks and uncertainties: difficulties, delays, unexpected costs or the inability to consummate, in whole or in part, the proposed merger or the proposed private placement and to use the proceeds therefrom to make the extraordinary cash distribution and/or to pay fees and expenses incurred in connection the merger or with the private placement, and our determination not, or difficulties, delays or unanticipated costs in our ability, including as a result of market conditions, to consummate a potential initial public offering or other strategic alternative; 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 tec hnological 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, international hostilities or natural disasters, 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.