Comscore Releases August 2014 U.S. Online Video Rankings

RESTON, VA, September 18, 2014 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the Comscore Video Metrix® service showing that 196.5 million Americans watched online content videos in August 2014. Google Sites ranked as the top video content property, BrightRoll Platform was the top video ad property, and Maker Studios Inc. topped the list of YouTube partner channels.

Top 10 Video Content Properties by Unique Viewers
Google Sites, driven primarily by video viewing at YouTube.com, ranked as the top online video content property in August with 159.8 million unique viewers. Facebook ranked #2 with 108.3 million viewers, followed by AOL, Inc. with 62.5 million, Yahoo Sites with 54.6 million and Maker Studios Inc. with 46 million.

*A video is defined as any streamed segment of audiovisual content, including both progressive downloads and live streams. For long-form, segmented content, (e.g. television episodes with ad pods in the middle) each segment of the content is counted as a distinct video stream.Video views are inclusive of both user-initiated and auto-played videos that are viewed for longer than 3 seconds.

Top 10 Video Ad Properties by Unique Viewer Percent Reach
BrightRoll Platform ranked #1 in video ad reach, serving ads to 51.3 percent of the total U.S. population in August. LiveRail came in second with 46.8 percent reach, followed by Specific Media with 42.8 percent, AOL, Inc. with 38.3 percent and Google Sites with 37.6 percent.

*Video ads include streaming-video advertising only and do not include other types of video monetization, such as overlays, branded players, matching banner ads, etc.
**Indicates video ad network
†Indicates video ad exchange/DSP/SSP

Top 10 YouTube Partner Channels by Unique Viewers
The August 2014 YouTube partner data revealed that Disney-owned entertainment channel Maker Studios Inc. moved into the top position in the ranking for the first time ever with 45.3 million viewers. VEVO occupied the #2 spot with 42.2 million unique viewers, followed by Fullscreen with 34.3 million, Warner Music with 24.2 million and Machinima with 22.8 million.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in digital measurement and analytics, delivering insights on web, mobile and TV consumer behavior that enable clients to maximize the value of their digital investments. For more information, please visit www.comscore.com/companyinfo.