News Release

NYMEX Holdings, Inc. Statement Regarding Sentinel Management Group, Inc. and NYMEX Financial Safeguards

Wed Aug 15 2007

NEW YORK, Aug. 15 /PRNewswire-FirstCall/ -- NYMEX Holdings, Inc. (NYSE: NMX) today confirmed that with regard to the circumstances surrounding Sentinel Management Group, Inc., Sentinel is not a clearing member and does not have any funds on deposit with NYMEX, nor does NYMEX have funds on deposit with Sentinel. All NYMEX clearing members continue to meet their obligations to NYMEX and remain in good standing.

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

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

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