NYMEX To Change Trading Hours For Sunday, September 25

The New York Mercantile Exchange, Inc., announced today that it will change the trading hours on Sunday, September 25 only for NYMEX ACCESS® electronic trading, NYMEX ClearPort® electronic trading and clearing, and NYMEX miNY^sm futures contracts traded on the Chicago Mercantile Exchange GLOBEX® trading system.

Energy contracts will begin trading on NYMEX ACCESS® at 10 AM Eastern time (with a market pre–open at 9:40 AM) on Sunday and will continue until Monday at 9:30 AM, the end of regular overnight trading for these products.

NYMEX ClearPort® trading and clearing for all products will commence at 10 AM Eastern time (with a market pre–open at 9:40 AM) on Sunday and continue through to its regular trading hours.

NYMEX miNY^sm crude oil and natural gas futures contracts will begin trading at 5 PM Eastern time on Sunday and will continue until Monday at 9:30 AM, the end of regular overnight trading for these products.


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.