NEW YORK, NY, November 20, 2006 — At a special meeting held today, COMEX seat owners voted to approve a NYMEX/COMEX transaction, which among other things, will expand the ability of NYMEX to provide COMEX electronic trading privileges to third parties, as well as to list all COMEX contracts for side by side trading in exchange for 8,400 shares of NYMEX Holdings common stock. More than 98% of the shares voted in connection with this meeting were voted in favor of the deal.

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Contact: Anu Ahluwalia , 212-299-2439