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CME Reports April 2007 Total Volume Exceeded 103 Million Contracts, Up 2 Percent From Year-Ago Period - April 2007 Volume Averaged 4.9 Million Contracts Per Day, Down 8 Percent From Year-Ago Period - April NYMEX Energy And Metals Volume On CME Globex Aver

Date 01/05/2007

CME, the world's largest and most diverse derivatives exchange, today announced April 2007 total volume exceeded 103 million contracts, up 2 percent from April 2006. April volume averaged 4.9 million contracts per day, down 8 percent from the same period a year ago. Total exchange volume year-to-date through April is up 20 percent to an average 6.1 million contracts per day. CME was open for an abbreviated session on Good Friday, trading interest rate and foreign exchange products until 10 am. CME counted the abbreviated day as a full trading day for all products, which had a negative impact on average daily volume calculations. Volume on the CME Globex electronic trading platform remained flat from April 2006 to average 3.6 million contracts per day, representing 74 percent of total exchange volume. Total options volume was 1.1 million contracts per day, down 19 percent from April 2006. Electronic options volume averaged 158,000 contracts per day for the month, up 46 percent from the same period a year ago, and represented a record 14 percent of total CME options volume.

CME total interest rate product volume averaged 2.8 million contracts, down 14 percent from the same period a year ago. CME Eurodollar futures volume averaged 1.9 million contracts per day, down 5 percent from April 2006, and CME Eurodollar options volume averaged 950,000 contracts per day, down 26 percent ... Electronic volume of CME Eurodollar options averaged 85,000 contracts per day, up 9 percent from April 2006, and represented 9 percent of total Eurodollar options volume.

CME E-mini index product volume averaged 1.4 million contracts per day in April, up 1 percent from April 2006. Total equity options volume grew 84 percent from the same period a year ago to average 161,000 contracts per day. CME equity standard volume grew 27 percent to average 144,000 contracts per day. CME equity standard options volume increased 60 percent from April 2006 to average 93,000 contracts per day.

CME foreign exchange volume in April averaged 434,000 contracts per day, unchanged compared with the year-ago period. Electronic foreign exchange volume averaged 398,000 contracts per day, up 5 percent from April 2006.

All statistics in this news release exclude data on CME's non-traditional TRAKRS(R) products, and CME Auction Markets(TM) products, unless otherwise noted. All references to options refer to options on futures contracts.

CME commodities and alternative investment products volume averaged 68,000 contracts per day in April, down 2 percent compared with the same period a year ago. In addition, the commodities volume on the CME Globex platform was 3,500 contracts per day, representing 5 percent of the total commodities and alternative investments volume. CME weather volume averaged a record 5,900 contracts per day in April.

During April, CME Clearing handled CBOT volumes of 2.9 million contracts per day, down 3 percent from the year-ago period. NYMEX energy and metals volume on the CME Globex platform averaged a record 690,000 contracts per day.

Open interest for all CME products was 47 million contracts at the end of April, up from 35 million contracts per day at the end of December. Additionally, the Chicago Board of Trade had 17 million open positions with CME Clearing at the end of the month. Open interest represents the number of contract positions that remain open at the end of a trading session.

    CME MONTHLY AVERAGE DAILY VOLUME (In Thousands)

                                  April 2007      April 2006    Percent Change
    CME PRODUCT LINE
    Interest Rates                  2,838            3,284           -14%
    E-Minis                         1,441            1,426             1%
    Equity Standard                   144              113            27%
    Foreign Exchange                  434              432             0%
    Commodities and Alt. Inv.          68               69            -2%
       Sub Total                    4,924            5,326            -8%
    TRAKRS                             84              177           -52%
       Total                        5,008            5,502            -9%

    VENUE
    Open Outcry                     1,235            1,644           -25%
    CME Globex (Ex TRAKRS)          3,644            3,630             0%
    Privately Negotiated               45               51           -11%


    Note: CME Weather and GSCI products moved from Equity Standard to
          Commodities in April, and prior months were adjusted.


    CME ROLLING THREE-MONTH AVERAGES (excluding TRAKRS)

    Average Rate Per Contract (In Dollars)

                      By Product Line                     By Venue
                                         Commod-
                                           ities                        Pri-
    3-Month                                 and                         vately
    Period Interest E-Minis Equity Foreign  Alt.          Open   CME    Negot-
    Ending  Rates         Standard Exchange Inv.   Total  Outcry Globex iated
    Mar-07  0.492  0.706   1.414   1.109   0.944   0.644  0.489  0.657  3.650
    Feb-07  0.509  0.712   1.419   1.107   0.953   0.657  0.506  0.666  3.645
    Jan-07  0.508  0.717   1.434   1.072   0.931   0.658  0.508  0.667  3.649
    Dec-06  0.508  0.707   1.430   1.085   0.942   0.655  0.512  0.660  3.713


    Average Daily Volume (In Thousands)

                      By Product Line                     By Venue
                                          Commod-
                                            ities                       Pri-
    3-Month                                  and                        vately
    Period Interest E-Minis Equity  Foreign  Alt.         Open   CME    Negot-
    Ending  Rates         Standard  Exchange Inv.  Total  Outcry Globex iated
    Apr-07  3,517   1,920    197     535      83   6,252  1,494  4,699    58
    Mar-07  3,639   1,977    190     555      93   6,454  1,578  4,815    61
    Feb-07  3,220   1,649    155     551      78   5,643  1,416  4,168    58
    Jan-07  3,016   1,610    147     540      80   5,392  1,337  4,000    55



CME (http://www.cme.com) is the world's largest and most diverse financial exchange. As an international marketplace, CME brings together buyers and sellers on the CME Globex(R) electronic trading platform and on its trading floors. CME offers futures and options on futures in these product areas: interest rates, stock indexes, foreign exchange, agricultural commodities, energy, and alternative investment products such as weather, real estate and economic derivatives. CME is a wholly-owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE, Nasdaq: CME), which is part of the Russell 1000(R) Index and the S&P 500(R) Index.