News Release

NYMEX Announces Trading and Processing Schedule for Upcoming Holidays

Tue Nov 13 2007

NEW YORK, Nov. 13 /PRNewswire/ -- New York Mercantile Exchange, Inc., today announced a complete trading and processing schedule for Thanksgiving, Christmas, and New Year's Eve 2007 and New Year's Day 2008 (all in Eastern time):

  Thanksgiving Holiday Schedule

  Wednesday, November 21
    -- Normal floor closing for all NYMEX and COMEX products (Not an early
       closing day).
    -- NYMEX/COMEX products on CME Globex®, NYMEX ClearPort® trading and
       clearing, including DME Direct, will be open until 5:15 PM (for
       November 21 trade date).
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct)
       will re-open for trading/trade submission at 6:00 PM (for November 23
       trade date).
    -- Large trader reporting for DME for the November 21 trade date for any
       clearing members holding DME positions will be due by midnight.


  Thursday, November 22 (Thanksgiving Day)
    -- DME intraday settlement price to be published at normal time of
       4:30 AM for November 22 calendar date. No post-close settlement will
       be published.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will be open for trading/trade submission until 5:15 PM (for November
       23 trade date).
    -- NYMEX Softs TAS products (CJT, KTT, TTT, YOT) will be unavailable for
       trading on CME Globex.  All other TAS products will follow the normal
       schedule.
    -- NYMEX/COMEX trading floors will be closed.
    -- NYMEX cleared trades API will be available.
    -- Markets will not be settled and final settlements will not be
       published, as November 22 is not a trade date or processing date.
    -- NYMEX intraday files will not be produced, no clearing will occur,
       and no clearing functionality will be available.
    -- Daily SPAN and erosion (NERC Holiday) files will not be produced.
    -- Options can not be exercised.
    -- There will not be any allocation of energy and metal deliveries or
       delivery notices and related forms will not be accepted.
    -- First normal intraday file generated on calendar date November 23
       will contain trades from calendar date November 22.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will re-open for trading/trade submission at 6:00 PM (for November 23
       trade date).


  Friday, November 23
    -- Early floor closing for all products (NYMEX 1:30 PM/COMEX 12:30 PM).
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will open for trading/trade submission until 5:15 PM (for November 23
       trade date).
    -- NYMEX energy TAS products (CLT, NGT, RBT, HOT, RET, LUT, LRT) close
       at 1:30 PM on CME Globex.  NYMEX Softs TAS products (CJT, KTT, TTT,
       YOT) will not be available for trading.  NYMEX Brent TAS products
       (BZT, BBT) will follow the normal schedule.
    -- Banking for November 21 clearing cycle will occur.
    -- Large trader reporting for November 21 trade date for any clearing
       members not holding DME positions due by 8:00 AM.
    -- Normal erosion for electricity products will occur.  Since November
       22 is a NERC holiday, "double erosion" is not necessary.
    -- All normal clearing and trade management functionality will be
       available.


  Christmas Holiday Schedule

  Monday, December 24 (Christmas Eve)
    -- Early floor closing for all products (NYMEX 1:30 PM/COMEX 12:30 PM).
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will be open until 5:15 PM.  Electronic markets will not reopen for
       overnight session.
    -- NYMEX energy TAS products (CLT, NGT, RBT, HOT, RET, LUT, LRT) close
       at 1:30 PM on CME Globex.  All other TAS products follow normal
       schedule.
    -- Large trader reporting for DME for the December 24 trade date will be
       due by midnight for any clearing members holding DME positions.


  Tuesday, December 25 (Christmas Day)
    -- No DME intraday settlement price or post-close settlement will be
       published.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will be closed.
    -- NYMEX/COMEX trading floors will be closed.
    -- No clearing functionality will be available.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will open for trading/trade submission at 6:00 PM (for December 26
       trade date).


  Wednesday, December 26, 2007
    -- Normal schedule resumes for all systems and products.
    -- Banking for December 24 clearing cycle will occur.
    -- Large trader reporting (NYMEX/COMEX) for December 24 trade date will
       be due by 8:00 AM for any clearing members not holding DME positions.
    -- Normal erosion for electricity products will occur.  Since December
       25 is a NERC holiday, "double erosion" is not necessary.


  New Years Holiday Schedule

  Monday, December 31 (New Years Eve)
    -- Normal floor closing for all NYMEX and COMEX products (Not an early
       closing day).
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will be open until 5:15 PM.  Electronic markets will not reopen for
       overnight session.
    -- NYMEX Brent TAS products (BZT, BBT) close at 1:00 PM on CME Globex.
       All other TAS products will follow the normal schedule.
    -- Large trader reporting for DME for the December 31 trade date will be
       due by midnight for any clearing members holding DME positions.

  Tuesday, January 1 (New Years Day)
    -- No DME intraday settlement price or post-close settlement will be
       published.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will be closed.
    -- NYMEX/COMEX trading floors will be closed.
    -- No clearing functionality will be available.
    -- NYMEX/COMEX products on CME Globex, NYMEX ClearPort, and DME Direct
       will open for trading/trade submission at 6:00 PM (for January 2
       trade date).

  Wednesday, January 2
    -- Normal schedule resumes for all systems and products.
    -- Banking for December 31 clearing cycle will occur.
    -- Large trader reporting for December 31 trade date will be due by 8:00
       AM for any clearing members not holding DME positions.
    -- Normal erosion for electricity products will occur.  Since January 1
       is a NERC holiday, "double erosion" is not necessary.

Please note that the NYMEX and COMEX trading floors will close early on Friday, November 23 and Monday, December 24. The full schedule by contract 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: 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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