News Release

NYMEX Announces 2007 Holiday Schedule

Wed Oct 11 2006

NEW YORK, N.Y., October 11, 2006 —The New York Mercantile Exchange, Inc. today announced that it plans to be closed for the following holidays in 2007:

Monday, January 1
New Year's Day
(Electronic trading and NYMEX ClearPort® will not open on Sunday, December 31 at 6 PM, 2006; these venues will reopen at 6 PM on Monday, January 1, 2007 for the next day's trade date)

Monday, January 15
Martin Luther King Day
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Monday, February 19
President's Day
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Friday, April 6
Good Friday
(Electronic trading and NYMEX ClearPort will not open on Thursday, April 5 at 6 PM; these venues will reopen at 6 PM on Sunday, April 8 for next day's trade date)

Monday, May 28
Memorial Day
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Wednesday, July 4
Independence Day
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Monday, September 3
Labor Day
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Thursday, November 22
Thanksgiving
(Electronic trading and NYMEX ClearPort are unaffected and will run on a normal schedule)

Tuesday, December 25
Christmas
(Electronic trading and NYMEX ClearPort will not open Monday, December 24 at 6 PM; these venues will reopen at 6 PM on Tuesday for the next day's trade date)

Notes: Expirations for futures and options calendars will remain unchanged for both energy and metals from previously posted expiration schedules for 2007, despite the addition of the day after Thanksgiving Nov. 23rd and Christmas Eve Dec. 24th as official exchange trading days.

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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: Brenda Guzman, 212-299-2436

Corporate Communications

+1 312 930 3434
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