Comscore Will Report 2007 Fourth Quarter Financial Results on February 7，2008

RESTON, VA, January 15, 2008 – Comscore, Inc. (NASDAQ: SCOR), will report financial results for the quarter ended December 31, 2007 and provide guidance for 2008 in a live conference call on Thursday, February 7 at 4:30 p.m. EST.

Dr. Magid Abraham, President and Chief Executive Officer, and John Green, Chief Financial Officer, will provide commentary on the company's results at that time.

The conference call can be accessed in two ways:

• By telephone at (719) 325-4836, pass code 4033952
• Via a webcast at http://ir.comscore.com/events.cfm. A replay of the webcast will be archived and available for playback beginning at 7:30 p.m. EST that evening, accessible from the same link.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) 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 analysts 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 800 clients, including global leaders such as AOL, Microsoft, Yahoo!, BBC, Carat, Cyworld, Deutsche Bank, France Telecom, Best Buy, The Newspaper Association of America, Financial Times, ESPN, Fox Sports, Nestlé, Starcom, Universal McCann, the United States Postal Service, Verizon, ViaMichelin, Merck and Expedia. For more information, please visit www.comscore.com.

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