comScore, Inc
May 6, 2010

comScore Reports March 2010 U.S. Mobile Subscriber Market Share

Samsung, Motorola and LG in Dead Heat in OEM Subscriber Market Share

RESTON, Va., May 6, 2010 /PRNewswire via COMTEX News Network/ -- comScore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today released data from the comScore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month period ending March 2010 compared to the preceding three-month period. The report ranked the leading mobile original equipment manufacturers (OEMs) and mobile operators in the U.S. according to their share of usage by current mobile subscribers age 13 and older, and reviewed the most popular activities and content accessed via the subscriber's primary mobile phone. The March report found Samsung, Motorola and LG separated by a mere fraction of a percentage point of market share among handset manufacturers, while Verizon led among mobile operators with 31.1 percent market share.

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OEM Market Share

In the 3 month average ending in March, 234 million Americans age 13 and older were mobile subscribers, with device manufacturer Samsung ranking as the top OEM at a 21.9 percent share of U.S. mobile subscribers, inching out Motorola by a fraction of a percent. LG (21.8 percent share) ranked closely behind them, with RIM (8.3 percent share) and Nokia (8.3 percent share) rounding out the top five.





    Top Mobile OEMs
    ---------------
    3 Month Avg. Ending Mar. 2010 vs. 3 Month Avg.
     Ending Dec. 2009
    ----------------------------------------------
    Total U.S. Age 13+
    ------------------
    Source: comScore MobiLens
    -------------------------
                                 Share (%) of Mobile
                                     Subscribers
                                   -------------------
                                                    Point
                             Dec-09     Mar-10     Change
                             ------     ------     ------
    Total Mobile
     Subscribers               100.0%     100.0%       N/A
    ------------               -----      -----        ---
    Samsung                     21.2%      21.9%       0.7
    -------                     ----       ----        ---
    Motorola                    23.5%      21.9%      -1.6
    --------                    ----       ----       ----
    LG                          21.9%      21.8%      -0.1
    ---                         ----       ----       ----
    RIM                          7.0%       8.3%       1.3
    ---                          ---        ---        ---
    Nokia                        9.2%       8.3%      -0.9
    -----                        ---        ---       ----



Mobile Operator Market Share

In a ranking of the top mobile operators in the U.S. during the 3 month average ending in March, Verizon led the market with 31.1 percent of mobile subscribers. AT&T ranked second with 25.2 percent market share, up 0.2 percentage points from the period ending December 2009. Sprint narrowly grabbed the #3 position with 12.0 percent market share, closely trailed by T-Mobile (12.0 percent), while Tracfone gained 0.3 points to capture 5.1 percent of the market.





    Top Mobile Operators
    --------------------
    3 Month Avg. Ending Mar. 2010 vs. 3 Month Avg.
     Ending Dec. 2009
    ----------------------------------------------
    Total U.S. Age 13+
    ------------------
    Source: comScore MobiLens
    -------------------------
                           Share (%) of Mobile Subscribers
                           -------------------------------
                                                      Point
                             Dec-09      Mar-10      Change
                             ------      ------      ------
    Total Audience: 13+
     yrs old                   100.0%       100.0%       N/A
    -------------------        -----        -----        ---
    Verizon                     31.2%        31.1%      -0.1
    -------                     ----         ----       ----
    AT&T (Cingular)             25.0%        25.2%       0.2
    ---------------             ----         ----        ---
    Sprint                      12.1%        12.0%      -0.1
    ------                      ----         ----       ----
    T-Mobile                    12.1%        12.0%      -0.1
    --------                    ----         ----       ----
    Tracfone                     4.8%         5.1%       0.3
    --------                     ---          ---        ---



Mobile Content Usage

In an average month during the January through March 2010 time period, 63.7 percent of U.S. mobile subscribers used text messaging on their mobile device, up 0.6 percentage points versus three months prior. Browsers were used by 30.1 percent of U.S. mobile subscribers (up 2.6 percentage points), while subscribers who used downloaded applications made up 28.6 percent of the mobile audience (up 2.6 percentage points). Access of social networking sites or blogs continued to increase, posting gains of 2.8 percentage points to 18.7 percent of mobile subscribers.





    Mobile Content Usage
    --------------------
    3 Month Avg. Ending Mar. 2010 vs. 3 Month Avg.
     Ending Dec. 2009
    ----------------------------------------------
    Total U.S. Age 13+
    ------------------
    Source: comScore MobiLens
    -------------------------
                              Share (%) of U.S. Mobile
                                     Subscribers
                             -------------------------
                                                    Point
                             Dec-09     Mar-10     Change
                             ------     ------     ------
    Total Mobile
     Subscribers               100.0%     100.0%       N/A
    ------------               -----      -----        ---
    Sent text message to
     another phone              63.1%      63.7%       0.6
    --------------------        ----       ----        ---
    Used browser                27.5%      30.1%       2.6
    ------------                ----       ----        ---
    Used downloaded apps        26.0%      28.6%       2.6
    --------------------        ----       ----        ---
    Played games                21.6%      21.8%       0.2
    ------------                ----       ----        ---
    Accessed social
     networking site or
     blog                       15.9%      18.7%       2.8
    -------------------         ----       ----        ---
    Listened to music on
     mobile phone               12.1%      13.2%       1.1
    --------------------        ----       ----        ---



About comScore

comScore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital marketing intelligence. For more information, please visit www.comscore.com/companyinfo.



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