News Release

NYMEX Announces Trading and Processing Schedule for Martin Luther King, Jr. Holiday

Fri Jan 11 2008

NEW YORK, Jan. 11 /PRNewswire-FirstCall/ -- New York Mercantile Exchange, Inc., a subsidiary of NYMEX Holdings, Inc. (NYSE: NMX), today announced a complete trading and processing schedule for the Martin Luther King, Jr. holiday (all in Eastern time):

  Friday January 18, 2008

  --  Normal floor closing for all NYMEX and COMEX products.  Not an early
      closing day.
  --  NYMEX and COMEX products on CME Globex®, NYMEX ClearPort®
      (including DME Direct) will be open until 5:15 PM, for January 18
      trade date.
  --  large trader reporting for any clearing members holding DME positions
      for the January 18 trade date are due by midnight on Friday.


  Sunday January 20, 2008

  --  NYMEX and COMEX products on CME Globex and NYMEX ClearPort
      (including DME Direct) will open for trading/trade submission at 6:00
      PM for the January 22 trade date.
  --  Day/session orders entered on CME Globex or DME Direct are for the
      January 22 trade date and will continue through Tuesday's close at
      5:15 PM.


  Monday January 21, 2008 (Martin Luther King Jr. Day)

  --  NYMEX and COMEX trading floors will be closed.
  --  The DME intraday settlement price (OSP) to be published at the normal
      time of 3:30 AM for the January 21 calendar date.  No post close
      settlement to be published.
  --  NYMEX and COMEX products on CME Globex and NYMEX ClearPort (including
      DME Direct) will all open for trading/trade submission for the January
      22 trade date until the trading halt at  5:15 PM
  --  Day/session orders entered on CME Globex or DME Direct will be for the
      January 22 trade date and will continue until Tuesday's close at 5:15
      PM.
  --  NYMEX trading at settlement (TAS) products on CME Globex will be
      available for trading for the January 22 trade date.
  --  NYMEX TMS will be available for trade management for the January 22
      trade date.
  --  NYMEX cleared trades API will be available
  --  Markets will not be settled and settlements will not be published, as
      January 21 is not a trade 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 files will not be produced (an additional
      erosion file will be produced on January 22).
  --  Options cannot be exercised.
  --  There will not be any allocation of energy or metal deliveries or
      delivery notices, and related forms will not be accepted.
  --  The first normal intraday file generated on calendar date January 22
      will contain trades from calendar date January 21.
  --  NYMEX and COMEX products on CME Globex and NYMEX ClearPort (including
      DME Direct) all reopen for trading/trade submission at 6:00 PM
      (January 22 trade date).


  Tuesday January 22, 2008

  --  Normal trading schedule resumes.
  --  Banking for January 18 clearing cycle will occur.
  --  Large trader reporting for NYMEX and COMEX for the January 18 trade
      date for any clearing members not holding DME positions are due by
      8:00 AM.
  --  "Double erosion" will occur to account for the January 21 peak day.
      Two erosion files will be produced.

The full NYMEX 2008 holiday schedule can be found at: http://www.nymex.com/holida_schedu.aspx

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: New York Mercantile Exchange, Inc.

CONTACT: Anu Ahluwalia, +1-212-299-2439, or Keil Decker,
+1-212-299-2209, both for New York Mercantile Exchange, Inc.

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

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