News Release

NYMEX Technology Team Wins Top Honors from AFTA

Tue Dec 05 2006

New York, N.Y., December 5, 2006 —The New York Mercantile Exchange, Inc. announced today that its information technology department was named "Best IT Team" at the American Financial Technology Awards 2006 at a ceremony held in New York City on December 4.

NYMEX Chairman Richard Schaeffer and NYMEX Chief Information Officer Samuel Gaer accepted the award on the company's behalf. Other competitors in the category included Credit Suisse Prime Services and Knight Capital Group.

NYMEX was recognized for implementation of its new IT infrastructure last year, its emphasis on and results regarding systems up-time, and the successful migration of its core contracts to CME Globex®.

# # #

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.

Contact: Anu Ahluwalia , (212) 299-2439

Corporate Communications

+1 312 930 3434