comScore Reports that the U.S. Catches Up With Western Europe in Adoption of 3G Mobile Devices

U.S. Experiences 80 Percent Growth in 3G Subscribers

RESTON, Va., Sept. 4 -- comScore, Inc. (NASDAQ:SCOR) , a leader in measuring the digital world, today reported that after a slower start, the United States has caught up with Western Europe in the adoption of 3G with 28.4 percent of American mobile subscribers having 3G devices versus 28.3 percent in the largest countries in Europe.

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The number of U.S. subscribers with 3G enabled devices has grown 80 percent to 64.2 million during the past year. The market has responded enthusiastically as mobile vendors have rolled out their enhanced networks and a new crop of 3G enabled devices. The only individual major European countries exceeding the U.S. in 3G penetration are Italy and Spain.

"For years, the American mobile industry has aspired to the level of sophistication of the European market," observed Mark Donovan, senior vice president and senior analyst, comScore. "Today, Americans have finally caught up with Europeans in adoption of 3G. The advancements in 3G network technology and the introduction of sleek devices into the U.S. market have paid off as adoption of mobile media continues to grow at a rapid pace."

  Percent of Subscribers with 3G Devices
  3-Month Average Ending June 2008 and June 2007
  Source: comScore MobiLens
                                                                 Point
                                                                 Change
                                  Penetration     Penetration    June 07
                                   June 2007      June 2008     vs June 08

  Germany                            15.1%          23.9%          8.1
  Spain                              22.5%          37.2%         14.7
  France                             12.6%          17.1%          4.5
  Italy                              32.1%          38.3%          6.2
  United Kingdom                     19.9%          27.6%          7.7
  European Total (5 countries)       20.3%          28.3%          8.0
  United States                      16.7%          28.4%         11.7



  Total Subscribers with 3G Devices
  3-Month Average Ending June 2008 and June 2007
  All Mobile Subscribers 13+
  Source: comScore MobiLens
                                     Subscribers   Subscribers    Growth
                                      June 2007     June 2008      Y/Y

  Germany                               7,021         11,732      67.1%
  Spain                                 7,207         12,640      75.4%
  France                                5,616          7,958      41.7%
  Italy                                14,462         18,008      24.5%
  United Kingdom                        8,964         13,100      46.1%
  European Total (5 countries)         43,270         63,437      46.6%
  United States                        35,651         64,207      80.1%


  About comScore

comScore, Inc. (NASDAQ:SCOR) is a global leader in measuring the digital world and a preferred source of digital marketing intelligence. In an independent survey of 800 of the most influential publishers, advertising agencies and advertisers conducted by William Blair & Company in July 2008, comScore was rated the 'most preferred online audience measurement service' by 54% of respondents, a full 20 points ahead of its nearest competitor. comScore's capabilities are based on a massive, global cross-section of approximately 2 million Internet users who have given comScore permission to confidentially capture their browsing and transaction behavior, including online and offline purchasing. comScore panelists also participate in survey research that gathers and integrates their attitudes and intentions. Using its proprietary technology, comScore measures what matters across a broad spectrum of digital behavior and attitudes, helping clients design more powerful marketing strategies that deliver superior ROI. With its recent acquisition of M:Metrics, comScore is also a leading source of data on mobile usage. comScore services are used by more than 1100 clients, including global leaders such as AOL, Microsoft, Yahoo!, BBC, Carat, Cyworld, Deutsche Bank, France Telecom, Best Buy, The Newspaper Association of America, Financial Times, ESPN, Fox Sports, Nestle, Starcom, Universal McCann, the United States Postal Service, the University of Chicago, Verizon Services Group and ViaMichelin. For more information, visit http://www.comscore.com/.