Notice to Members
Notice No. 422
08/15/2008
REMINDER: Deadlines for Internet & Telephone Voting – DO NOT VOTE BY MAIL
Please be reminded that the deadline to vote your proxy over the Internet or by telephone is 6:00 A.M., New York Time, on August 18. You should no longer submit your vote by mail as it will not be received in time to be counted. Should you wish to vote after 6:00 A.M on Monday, you must attend the Special Meeting of Class A Members at 3:00 P.M., New York Time, on Monday, August 18. To ensure that your vote will be received in time to be counted, please do not vote by mail – you should vote by internet or telephone.

Voting by Internet: You can vote over the Internet by accessing the website at www.cesvote.com and following the instructions on the website. Have your proxy card in hand when you access the website because you will have to enter the control number printed on your proxy card. Internet voting is available 24 hours a day. If you vote over the Internet, you do not need to return your proxy card(s) by mail.

Voting by Telephone: You can vote by telephone by calling the toll-free number (888) 693-8683 in the United States, Canada and Puerto Rico on a touch-tone telephone. You will then be prompted to enter the control number printed on your proxy card and follow subsequent instructions. Telephone voting is available 24 hours a day. If you vote by telephone, you do not need to return your proxy card(s) by mail.

TO ENSURE YOUR VOTE IS COUNTED, DO NOT VOTE BY MAIL!

Should you have any questions about how to vote by internet or telephone, please contact Donna Talamo at dtalamo@nymex.com or 212-299-2372 or Investor Relations at investorrelations@nymex.com or 212-299-2669.

If you need a proxy card/control number to vote your Class A membership, you should contact:
D.F. King & Co., Inc.
48 Wall Street, 22nd Floor
New York, New York 10005
(800) 758-5378 (toll-free)
or
(212) 269-5550 (call collect)
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com