Comscore Will Report Second Quarter 2008 Financial Results on July 31, 2008

RESTON, VA, July 7, 2008 – Comscore, Inc. (NASDAQ: SCOR), will report financial results for the quarter ended June 30, 2008 in a live conference call on Thursday, July 31 at 4:30 p.m. ET.

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 877-675-4748, pass code 7207404
• 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. ET 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 approximately 2 million Internet users 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 gathers and integrates their attitudes and intentions. Using its proprietary technology, Comscore measures what matters across a broad spectrum of digital behavior and attitudes and helps clients design more powerful marketing strategies that deliver superior ROI. With its recent acquisition of M:Metrics, Comscore is also a leading source of data on mobile usage. Comscore services are used by over 950 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, the University of Chicago, Verizon Services Group and ViaMichelin. For more information, please visit www.comscore.com.

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