News Release

CME Reports Volume Records for June and Second-Quarter 2006; Monthly Average Daily Volume up 51 Percent; Second-Quarter Average Daily Volume up 31 Percent

Mon Jul 03 2006

CHICAGO, July 3 /PRNewswire-FirstCall/ -- CME, the world's largest and most diverse financial exchange, today said average daily volume in June was a record 6.4 million contracts, up 51 percent from June 2005. Total monthly volume in June 2006 exceeded 140 million contracts. Trading on the CME Globex platform increased 46 percent to a record 4.4 million contracts per day from the same period a year ago, representing 69 percent of total exchange volume. In June, total options averaged 1.6 million contracts per day, up 113 percent compared with June 2005. Electronic options increased 328 percent to average a record 172,000 contracts per day during June.

CME E-mini equity index volume averaged a record 2.1 million contracts per day in June, up 70 percent compared with June 2005, with monthly records in the CME E-mini S&P500, NASDAQ-100, Russell 2000, S&P Midcap400 and Nikkei 225 products on CME Globex. Total equity options volume grew to a record 134,000 contracts per day, up 186 percent month over month. CME E-mini options averaged a record 50,000 contracts per day, quadrupling from June 2005. CME equity standard volume grew 53 percent to a record 239,000 contracts per day.

Total CME interest rate volume was a record 3.5 million contracts per day in June, up 45 percent from the same period a year ago. This increase was driven by continued growth in CME Eurodollar options, up 109 percent in June to a record 1.4 million contracts per day. Electronic daily volume of CME Eurodollar options averaged a record 119,000 contracts per day for the month, up 357 percent from June 2005 and representing 8.3 percent of total CME Eurodollar options volume, the highest monthly percentage to date.

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

CME foreign exchange volume reached an average of 474,000 contracts per day, up 22 percent compared with June 2005. In June, electronic foreign exchange volume averaged 403,000 contracts per day, an increase of 33 percent.

CME commodities and alternative investments volume averaged a record 87,000 contracts per day in June, up 67 percent from the same period a year ago.

Second-Quarter Highlights

During the second quarter, average daily volume was a record 5.7 million contracts, up 31 percent from the same period a year ago. Total volume exceeded 360 million contracts. Average daily volume on CME Globex increased 29 percent to a record 4.0 million contracts per day from the same period a year ago, representing 70 percent of total exchange volume. In the second quarter, total options averaged 1.4 million contracts per day, up 68 percent compared with 2005. Electronic options trading averaged a record 131,000 contracts per day for the quarter, more than tripling from the same period a year ago.

CME E-mini equity index volume averaged a record 1.7 million contracts per day during the quarter, up 34 percent compared with second-quarter 2005, with records in many individual products. These include the CME E-mini Russell 2000 futures, which reached a record 187,000 contracts per day for the quarter, up 58 percent from the same period last year, and the E-mini S&P 500, which reached a record 1.2 million contracts per day, up 40 percent from the same period last year. CME E-mini options averaged a record 41,000 contracts per day, more than tripling from second-quarter 2005. CME equity standard volume grew 47 percent to 173,000 contracts per day.

CME total interest rate volume was a record 3.3 million contracts per day during the quarter, up 26 percent from the same period a year ago. This increase was driven by continued growth in CME Eurodollar options, up 65 percent to a record 1.2 million contracts per day. Electronic daily volume of CME Eurodollar options grew to a record average of 89,000 contracts, up 208 percent from second-quarter 2005 and representing 7.2 percent of total CME Eurodollar options volume, the highest quarterly percentage to date. For the first time, CME Eurodollar futures exceeded 2 million contracts per day during the quarter.

CME foreign exchange volume averaged a record 471,000 contracts per day, up 42 percent compared with second quarter 2005. During the quarter, electronic foreign exchange volume increased 55 percent from the same period last year to average 413,000 contracts per day.

CME commodities and alternative investments volume averaged a record 81,000 contracts per day for the quarter, up 53 percent from the same period a year ago.

Open interest for all CME products was 44 million contracts at the end of the quarter, up from 30 million contracts at the end of December. Additionally, the Chicago Board of Trade had 15 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 QUARTERLY AVERAGE DAILY VOLUME (In Thousands)

                                  Q2 2006         Q2 2005     Percent Change
  CME PRODUCT LINE
  Interest Rates                    3,255           2,577           26%
  E-Minis                           1,748           1,301           34%
  Equity Standard                     173             118           47%
  Foreign Exchange                    471             332           42%
  Commodities and Alt. Inv.            81              52           53%
    Sub Total                       5,728           4,380           31%
  TRAKRS                              419              21         1858%
    Total                           6,147           4,401           40%

  VENUE
  Open Outcry                       1,657           1,210           37%
  CME Globex (Ex TRAKRS)            4,022           3,122           29%
  Privately Negotiated                 49              47            3%


  CME MONTHLY AVERAGE DAILY VOLUME (In Thousands)

                                 June 2006       June 2005    Percent Change
  CME PRODUCT LINE
  Interest Rates                    3,513           2,420           45%
  E-Minis                           2,087           1,226           70%
  Equity Standard                     239             156           53%
  Foreign Exchange                    474             388           22%
  Commodities and Alt. Inv.            87              52           67%
    Sub Total                       6,400           4,243           51%
  TRAKRS                              888              14         6472%
    Total                           7,288           4,256           71%

  VENUE
  Open Outcry                       1,935           1,170           65%
  CME Globex (Ex TRAKRS)            4,409           3,017           46%
  Privately Negotiated                 56              55            1%

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

  CME RATE PER CONTRACT THROUGH MAY 2006 (excluding TRAKRS)

  Average Rate Per Contract (In Dollars)
  Rolling Three-Month Average



  3-Month          By Product Line                        By Venue
  Period
  Ending                                 Commod-
                                          ities                        Priv-
                                           and                         ately
       Interest   E-    Equity   Foreign   Alt.         Open    CME    Nego-
        Rates   Minis  Standard  Exchange  Inv. Total  Outcry  Globex tiated
  May
  -06   0.480   0.724    1.429    1.173    0.924 0.644  0.479   0.668  3.700
  Apr
  -06   0.478   0.717    1.445    1.253    0.948 0.641  0.471   0.667  3.672
  Mar
  -06   0.493   0.712    1.431    1.253    0.953 0.652  0.477   0.679  3.583


  Average Daily Volume (In Thousands)
  Rolling Three-Month Average

  3-Month          By Product Line                        By Venue
  Period
  Ending                                 Commod-
                                          ities                        Priv-
                                           and                         ately
       Interest   E-    Equity   Foreign   Alt.         Open    CME    Nego-
        Rates   Minis  Standard  Exchange  Inv. Total  Outcry  Globex tiated
  June
  -06   3,255   1,748    173      471      81  5,728   1,657   4,022    49
  May
  -06   3,123   1,526    156      466      80  5,352   1,535   3,764    53
  Apr
  -06   3,100   1,403    146      423      72  5,144   1,561   3,526    57
  Mar
  -06   2,919   1,408    145      407      80  4,958   1,467   3,435    57

Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME) became the first publicly traded U.S. financial exchange on Dec. 6, 2002. The company was added to the Russell 1000® Index on July 1, 2003. It is the parent company of Chicago Mercantile Exchange Inc. ( http://www.cme.com/ ), the world's largest and most diverse futures exchange. As an international marketplace, CME brings together buyers and sellers on its CME Globex electronic trading platform and on its trading floors. CME offers futures and options on futures primarily in interest rates, equities, foreign exchange and commodities.

Statements in this news release that are not historical facts are forward- looking statements. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results June differ materially from what is expressed or implied in any forward-looking statements. More detailed information about factors that June affect our performance June be found in our filings with the Securities and Exchange Commission, including our most recent Quarterly Report on Form 10-Q, which can be obtained at its Web site at http://www.sec.gov/ . We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

Chicago Mercantile Exchange, CME, the globe logo and CME Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license. Further information about CME and its products is available on the CME Web site at http://www.cme.com/ .

CME-G

SOURCE: CME

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