| Notice to Members |
| Notice No. 552 10/20/2006 |
| Opportunity to Sell in the NYMEX IPO |
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| Please be advised that an invitation to offer to sell in the IPO some or all of your shares of Series A-1, A-2 and A-3 Common Stock, in the manner subject to the conditions set forth in a letter to NYMEX Stockholders dated October 19, 2006. This letter was forwarded to you under separate cover to your address of record. As stated in the letter, you will need to delivery properly completed and signed copies of each of the required documents as set forth in the letter on or before 3:00 p.m. on Friday, October 27, 2006.
PLEASE NOTE THAT YOU ARE UNDER NO OBLIGATION TO SELL IN THE IPO. IF YOU DO NOT WANT TO SELL ANY SHARES IN THE IPO, YOU DO NOT NEED TO DO ANYTHING. IF YOU RECEIVE YOUR MAIL FROM NYMEX IN YOUR EXCHANGE MAILBOX, PLEASE CHECK YOUR MAILBOX FOR THE MATERIALS. Inquires regarding the aforementioned may be directed to Donna Talamo, Vice President & Assistant Corporate Secretary at (212) 299-2372. The ability of NYMEX to complete its initial public offering is subject to the satisfaction of several conditions, including favorable market conditions and receipt of the requisite approval from regulatory agencies. A registration statement relating to the securities to be sold in the offering has been filed with the SEC but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This announcement 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 in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state. |
| Should you have any questions or require any further information, please contact exchangeinfo@nymex.com |