Comscore Named the Fastest Growing Global Market Research Firm

RESTON, VA, August 13, 2007 – Comscore, Inc. (Nasdaq: SCOR), a leader in measuring the digital world, today announced that it was ranked among the Top 25 Global Market Research Organizations based on 2006 revenue. With global research revenue of $66.3 million, Comscore ranks 21st, up from 23rd in 2005. Comscore’s 2006 growth rate of 31.8 percent compares to average growth of 5.2 percent for the Top 25.

The study is published by the Inside Research newsletter and is commonly known as the Honomichl Global Top 25, after the publication’s publisher, Jack Honomichl. “In an industry increasingly dominated by global conglomerates, it is impressive to see a young company like Comscore gain traction and prosper,” commented Mr. Honomichl.

“We have built Comscore to be the most innovative and reliable source of information for digital marketing,” said Magid Abraham, President and CEO of Comscore. “It is gratifying to see how our clients have embraced our services.”

About Comscore

Comscore, Inc. is a global leader in measuring the digital world. This capability is based on a massive, global cross-section of more than 2 million consumers 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 captures and integrates their attitudes and intentions. Through its proprietary technology, Comscore measures what matters across a broad spectrum of behavior and attitudes. Comscore consultants apply this deep knowledge of customers and competitors to help clients design powerful marketing strategies and tactics that deliver superior ROI. Comscore services are used by more than 700 clients, including global leaders such as Google, AOL, Microsoft, Yahoo!, Viacom, Verizon, AT&T, Best Buy, Staples, The Newspaper Association of America, Tribune Interactive, ESPN, Fox Sports, Proctor & Gamble, Kraft Foods, Nestlé, MBNA, Starcom USA, Universal McCann, the United States Postal Service, Merck and Expedia. For more information, please visit www.comscore.com.

Press
Bill Daddi
Daddi Brand Communications
646-370-1341
press@comscore.com