NYMEX Holdings, Inc., (“NYMEX” or the “Company”) has filed an automatic shelf registration statement on Form S-3 with the Securities and Exchange Commission (“SEC”). NYMEX is considering a proposed secondary offering of common stock of the Company.

NYMEX has arranged to provide you with an opportunity to offer for sale in an underwritten offering shares of NYMEX that you own prior to the expiration of the lock-up provision in the Company’s Charter. NYMEX’s transfer agent, American Stock Transfer and Trust Company (“AST”) has mailed invitations in connection with this opportunity to those NYMEX Stockholders to their address of record.  Please note that if your address of record is a maildrop at One North End Avenue, you can obtain the documents from that location. 

All responses in connection with this opportunity must be received by the law firm of Sidley Austin LLP, 787 Seventh Avenue, New York, NY 10019, Attention: Brenden McLaughlin (Telephone : (212) 839-8567/Fax: (212) 839-5599), no later than 5:00 p.m. Eastern Time on Wednesday, March 7, 2007.

Representatives of Sidley Austin, LLP will be available to answer any question you may have regarding this process and the required forms. To that end, open walk-in sessions are scheduled to be held at NYMEX’S headquarters, One North End Avenue, New York City, 10 th Floor (Room 1012) AT 3:00 P.M. TO 5:00 P.M. on the following dates:

Thursday, March 1;

Friday, March 2;

Monday, March 5;

Tuesday, March 6; and

Wednesday March 7

You may submit your completed documents at any of these meetings. If you wish to participate via teleconference, the dial in number will be as follows:

1-888-481-3032 – passcode: 7252166.

 # # #

This notice shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Forward Looking and Cautionary Statements

This notice 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.