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May 12, 2009

Yahoo! Sites Ranks as Top Display Ad Publisher in March With 43 Billion U.S. Ad Views, According to comScore Ad Metrix

RESTON, Va., May 12, 2009 /PRNewswire-FirstCall via COMTEX News Network/ -- comScore (Nasdaq: SCOR), a leader in measuring the digital world, today released March 2009 data from the comScore Ad Metrix service, showing that Yahoo! Sites ranked as the top display ad publisher and AT&T ranked as the top display advertiser.

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Top 10 Online Display Ad Publishers

Yahoo! Sites ranked as the top U.S. display ad publisher in March with 42.8 billion ad views (13.2 percent market share) reaching 139 million people online. Fox Interactive Media ranked second with 31.4 billion ad views (9.7 percent), while Facebook.com captured the third spot with 24.8 billion ad views (7.7 percent).


    Top 10 Online Display Ad Publishers*
    March 2009
    Total U.S. - Home/Work/University Locations
    Source: comScore Ad Metrix
                                                                  Advertising
                                                                    Exposed
                                        Total Display   Share of     Unique
                                           Ad Views    Display Ads  Visitors
                                             (MM)                     (000)

    Total Internet                           323,647      100.0%     184,002
    Yahoo! Sites                              42,847       13.2%     138,968
    Fox Interactive Media                     31,402        9.7%      82,527
    Facebook.com                              24,847        7.7%      52,931
    Microsoft Sites                           17,788        5.5%      89,135
    AOL LLC                                   17,380        5.4%      91,272
    Google Sites                               4,235        1.3%      97,416
    eBay                                       2,811        0.9%      47,991
    Viacom Digital                             2,367        0.7%      36,876
    Glam Media                                 2,127        0.7%      37,237
    CNN                                        1,984        0.6%      27,616

    *Reflects display advertising only, both standard and non-standard IAB
    sizes; excludes house ads and small ads (<2,500 pixels in dimension)



Top 10 Online Display Advertisers

AT&T ranked as the top display advertiser in March with nearly 6 billion ad views (1.8 percent market share), which reached 147 million people online. A significant theme across AT&T's display ad campaigns in March was the promotion of free camera phones, including the Sony Ericsson W350. Other top display advertisers included Verizon with 5.7 billion ad views (1.8 percent share), Vonage with 4.3 billion ad views (1.3 percent) and Scottrade with 4 billion ad views (1.2 percent).

    Top 10 Online Display Advertisers*
    March 2009
    Total U.S. - Home/Work/University Locations
    Source: comScore Ad Metrix
                                                                  Advertising
                                         Total Display  Share of    Exposed
                                            Ad Views    Publisher    Unique
                                              (MM)       Ad Views   Visitors
                                                                      (000)

    Total Internet                           323,647      100.0%     184,002
    AT&T, Inc.                                 5,985        1.8%     147,133
    Verizon                                    5,695        1.8%     144,482
    Vonage                                     4,253        1.3%     139,786
    Scottrade                                  3,983        1.2%     101,102
    Experian Interactive                       3,320        1.0%     140,480
    Sprint Nextel Corporation                  3,247        1.0%     129,035
    Bank of America                            3,152        1.0%     124,883
    eBay                                       3,137        1.0%     140,089
    Netflix.com                                3,016        0.9%     134,059
    Nextag.com                                 2,585        0.8%     126,943

    *Reflects display advertising only, both standard and non-standard IAB
    sizes; excludes house ads and small ads (<2,500 pixels in dimension)



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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