News Release

NYMEX Reports March 2008 Volume Averaged a Record 2.034 Million Contracts Per Day

Fri Apr 18 2008

NEW YORK, April 18 /PRNewswire-FirstCall/ -- NYMEX Holdings, Inc. (NYSE: NMX), the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodities futures and options exchange, today announced that average daily volume was a record 2.034 million contracts for March 2008, a 48% increase from 1.377 million contracts per day in March 2007.

NYMEX electronic volume on the CME Globex® electronic trading platform averaged a record 919,920 contracts per day for March 2008, representing a 62% increase over 567,372 contracts per day in March 2007 electronic volume. NYMEX floor-traded energy futures and options averaged 233,856 contracts per day for March 2008.

COMEX electronic volume on CME Globex averaged a record 225,320 contracts per day for March 2008, and represented a 125% increase over 100,163 contracts per day in March 2007 electronic volume. COMEX floor-traded average daily volume was 46,682 contracts for March 2008.

Average daily volume on NYMEX ClearPort® was 481,897 contracts for March 2008, compared to 322,432 contracts for March 2007, representing a 49% increase. The remaining volume of 126,560 trades per day consisted of other transactions which include position transfers and exchanges.

Rolling Average Rate Per Contract -- The three month rolling average gross rate per contract for the period January through March 2008 was $1.56, while the average net rolling rate per contract, including direct transaction costs, for the same period was $1.31. March rates per contract and direct transaction costs are estimated (see Note below).

Final February Rate Per Contract -- The following represents the final February 2008 rates per contract after adjustments to the estimated rate per contract we provided last month. Gross average rate per contract across all venues in February 2008 was $1.58, while the net average rate per contract, including direct transaction costs, was $1.32. This is compared to a gross average rate per contract of $1.51, and a net average rate per contract of $1.24 for February 2007. Direct transaction costs were $9.553 million for February 2008 versus $7.982 million for February 2007.

Estimated March Rate Per Contract -- The following March average rates per contract are estimated (see Note below). Gross average rate per contract across all venues in March 2008 was $1.55, while the net average rate per contract, including direct transaction costs, was $1.30. This is compared to gross average rate per contract of $1.47, and a net average rate per contract of $1.22 for March 2007. Direct transaction costs were an estimated $9.992 million for March 2008 versus $7.561 million for March 2007.

Note: Because we are providing an additional level of up-to-date information regarding our recent monthly rates per contract, our volumes and rates press releases will be issued within approximately eight to ten business days after the end of the month. Also, the estimated figures are preliminary and may change due to the fact that the last days of the month have not been finalized and are thus subject to adjustments and corrections. Average daily volume is based on 20 trading days for March 2008 and 22 days for March 2007, and 61 days for the first quarters of both 2008 and 2007.

About NYMEX Holdings, Inc.

NYMEX Holdings, Inc. (NYSE: NMX) is the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodities exchange, offering futures and options trading in energy and metals contracts and clearing services for more than 350 off-exchange energy contracts. Through a hybrid model of open outcry floor trading and electronic trading on CME Globex® and NYMEX ClearPort®, NYMEX offers crude oil, petroleum products, natural gas, coal, electricity, gold, silver, copper, aluminum, platinum group metals, emissions, and soft commodities contracts for trading and clearing virtually 24 hours each day. Further information about NYMEX Holdings, Inc. and the New York Mercantile Exchange, Inc. 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.

                             -Tables Follow-



  MARCH AVERAGE DAILY VOLUME
  Venue                                            2008              2007
  NYMEX floor                                    233,856           267,107
  NYMEX electronic                               919,920           567,372
  COMEX floor                                     46,682            51,603
  COMEX electronic                               225,320           100,163
  NYMEX ClearPort®                               481,897           322,432
  Other                                          126,560            68,001
  Total                                        2,034,235         1,376,678

  THREE MONTH ROLLING AVERAGE DAILY VOLUME
  (For the period January through March)
  Venue                                            2008              2007
  NYMEX floor                                    236,894           329,524
  NYMEX electronic                               814,306           596,641
  COMEX floor                                     47,828            55,808
  COMEX electronic                               204,899            90,438
  NYMEX ClearPort®                               462,544           373,357
  Other                                          104,563            67,624
  Total                                        1,871,034         1,513,392

  FEBRUARY 2008 AVERAGE RATES PER CONTRACT
  Venue                                           Net RPC
  NYMEX floor                                      $1.58
  NYMEX electronic                                 $1.04
  COMEX floor                                      $1.71
  COMEX electronic                                 $1.38
  NYMEX ClearPort®                                 $1.47
  Other                                            $2.04
  Total Average Net Rate                           $1.32
  Direct Transaction Cost                          $0.26
  Total Average Gross Rate                         $1.58

  THREE MONTH ROLLING AVERAGE RATES PER CONTRACT
  (For the period December 2007 through February 2008)
  Venue                                           Net RPC
  NYMEX floor                                      $1.56
  NYMEX electronic                                 $1.01
  COMEX floor                                      $1.57
  COMEX electronic                                 $1.28
  NYMEX ClearPort®                                 $1.45
  Other                                            $1.87
  Total Average Net Rate                           $1.28
  Direct Transaction Cost                          $0.26
  Total Average Gross Rate                         $1.54

  MARCH 2008 ESTIMATED AVERAGE RATES PER CONTRACT
  Venue                                           Net RPC
  NYMEX floor                                      $1.58
  NYMEX electronic                                 $1.04
  COMEX floor                                      $1.68
  COMEX electronic                                 $1.40
  NYMEX ClearPort®                                 $1.48
  Other                                            $1.71
  Total Average Net Rate                           $1.30
  Direct Transaction Cost                          $0.25
  Total Average Gross Rate                         $1.55

  THREE MONTH ROLLING ESTIMATED AVERAGE RATES PER CONTRACT
  (For the period January through March 2008)
  Venue                                           Net RPC
  NYMEX floor                                      $1.59
  NYMEX electronic                                 $1.05
  COMEX floor                                      $1.64
  COMEX electronic                                 $1.36
  NYMEX ClearPort®                                 $1.46
  Other                                            $1.84
  Total Average Net Rate                           $1.31
  Direct Transaction Cost                          $0.25
  Total Average Gross Rate                         $1.56

SOURCE: NYMEX Holdings, Inc.

CONTACT: Investors, Keil Decker, +1-212-299-2209, or Media,
Anu Ahluwalia, +1-212-299-2439, both of NYMEX Holdings, Inc.

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

Corporate Communications

+1 312 930 3434
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