News Release

NYMEX Holdings, Inc. Announces Timing of Third Quarter 2007 Earnings Release, Conference Call

Wed Sep 26 2007

NEW YORK, Sept. 26 /PRNewswire-FirstCall/ -- NYMEX Holdings, Inc., the parent company of the New York Mercantile Exchange, (NYSE: NMX) announced today that it intends to release its third quarter 2007 results on Thursday, November 1, 2007. In conjunction with this release, NYMEX will host a conference call at 8:00AM Eastern Time, which will be simultaneously broadcast over the internet.

  Thursday, November 1, 2007
    8:00 AM Eastern Time
    7:00 AM Central Time
    6:00 AM Mountain Time
    5:00 AM Pacific Time

Listeners may access the conference call live over the internet under the Investor Relations section of the Company's website, http://investor.nymex.com/. Please allow 15 minutes prior to the call to visit the site and download and install any necessary audio software. Those wishing to listen to the live conference via telephone should dial (866) 314-4865 if calling from within the United States or (617) 213-8050 if calling from outside the United States, at least 10 minutes before the call begins. The passcode for the call is 88824777.

An archived version of the conference call will also be available at http://investor.nymex.com/ within approximately 90 minutes of the conclusion of the call.

About NYMEX Holdings, Inc.

NYMEX Holdings, Inc. (NYSE: NMX) is the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodities-based futures and options exchange, offering futures and options trading in energy and metals contracts and clearing services for more than 320 off-exchange energy contracts. Through a hybrid model of open outcry floor trading and electronic trading on CME Globex® and NYMEX ClearPort®, NYMEX offers crude oil, petroleum products, natural gas, coal, electricity, gold, silver, copper, aluminum, platinum group metals, and soft commodities contracts for trading and clearing virtually 24 hours each day. Further information about NYMEX Holdings, Inc. and the New York Mercantile Exchange, Inc. is available on the NYMEX website at http://www.nymex.com/.

Forward Looking and Cautionary Statements

This press release 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.

SOURCE: NYMEX Holdings, Inc.

CONTACT: investors, Keil Decker, +1-212-299-2209, or media, Anu
Ahluwalia, +1-212-299-2439, both of NYMEX Holdings, Inc.

Web site: http://www.nymex.com/

Corporate Communications

+1 312 930 3434
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