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Comscore Reports October 2012 U.S. Mobile Subscriber Market Share

Apple Captures #2 Ranking in OEM Market for First Time

RESTON, VA, November 30, 2012 – 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 average period ending October 2012. The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 26.3 percent market share. Google Android continued to lead among smartphone platforms, accounting for 53.6 percent of smartphone subscribers, while Apple secured 34.3 percent.

OEM Market Share

For the three-month average period ending in October, device manufacturer Samsung ranked as the top OEM with 26.3 percent of U.S. mobile subscribers (up 0.7 percentage points). Apple ranked second for the first time on record with 17.8 percent market share (up 1.5 percentage points), followed by LG with 17.6 percent share, Motorola with 11 percent and HTC with 6 percent.

Top Mobile OEMs

3 Month Avg. Ending Oct. 2012 vs. 3 Month Ending Jul. 2012

Total U.S. Mobile Subscribers (Smartphone & Non-Smartphone) Ages 13+

Source: Comscore MobiLens Share (%) of Mobile Subscribers Jul-12 Oct-12 Point Change Total Mobile Subscribers 100.0% 100.0% N/A Samsung 25.6% 26.3% 0.7 Apple 16.3% 17.8% 1.5 LG 18.4% 17.6% -0.8 Motorola 11.2% 11.0% -0.2 HTC 6.4% 6.0% -0.4

Smartphone Platform Market Share

121.3 million people in the U.S. owned smartphones (51.9 percent mobile market penetration) during the three months ending in October, up 6 percent since July. Google Android ranked as the top smartphone platform with 53.6 percent market share (up 1.4 percentage points), while Apple’s share increased 0.9 percentage points to 34.3 percent. RIM ranked third with 7.8 percent share, followed by Microsoft (3.2 percent) and Symbian (0.6 percent).

Top Smartphone Platforms

3 Month Avg. Ending Oct. 2012 vs. 3 Month Avg. Ending Jul. 2012

Total U.S. Smartphone Subscribers Ages 13+

Source: Comscore MobiLens Share (%) of Smartphone Subscribers Jul-12 Oct-12 Point Change Total Smartphone Subscribers 100.0% 100.0% N/A Google 52.2% 53.6% 1.4 Apple 33.4% 34.3% 0.9 RIM 9.5% 7.8% -1.7 Microsoft 3.6% 3.2% -0.4 Symbian 0.8% 0.6% -0.2

Mobile Content Usage

In October, 75.9 percent of U.S. mobile subscribers used text messaging on their mobile device (up 0.3 percentage points). Downloaded applications were used by 54.5 percent of subscribers (up 1.9 percentage points), while browsers were used by 52.7 percent (up 1.5 percentage points). Accessing of social networking sites or blogs increased 1.5 percentage points to 39.4 percent of mobile subscribers. Game-playing was done by 34.1 percent of the mobile audience (up 0.3 percentage points), while 28.7 percent listened to music on their phones (up 0.4 percentage points).

Mobile Content Usage

3 Month Avg. Ending Oct. 2012 vs. 3 Month Avg. Ending Jul. 2012

Total U.S. Mobile Subscribers (Smartphone & Non-Smartphone) Ages 13+

Source: Comscore MobiLens Share (%) of Mobile Subscribers Jul-12 Oct-12 Point Change Total Mobile Subscribers 100.0% 100.0% N/A Sent text message to another phone 75.6% 75.9% 0.3 Used downloaded apps 52.6% 54.5% 1.9 Used browser 51.2% 52.7% 1.5 Accessed social networking site or blog 37.9% 39.4% 1.5 Played Games 33.8% 34.1% 0.3 Listened to music on mobile phone 28.3% 28.7% 0.4

About MobiLens

MobiLens data is derived from an intelligent online survey of a nationally representative sample of mobile subscribers age 13 and older. Data on mobile phone usage refers to a respondent’s primary mobile phone and does not include data related to a respondent’s secondary device.

About Comscore

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

Contact:

Adam Lella

Comscore, Inc.

+1 (312) 775-6474

press@comscore.com