Comscore vCE Reaches Milestone with Completion of 4,000th Client Study

vCE Boasts Wide Adoption Among Leading Advertising Agencies

RESTON, VA, January 23, 2013 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today announced that the validated Campaign Essentials™ (vCE) family of products, including audience and validated audience reporting, recently reached a significant milestone with the completion of its 4,000th study for its clients. vCE boasts particularly wide adoption among the agency community – which has accounted for approximately half the studies – including more than 75 leading agencies such as AKQA, Carat, Crispin Porter & Bogusky, Deutsch, Digitas, Doner, Draft FCB, Maxus, MEC, MediaVest, Mindshare, Moxie, Neo@Ogilvy, Razorfish, Saatchi & Saatchi, Starcom, Universal McCann, VivaKi, and Zenith Optimedia.

“The validated Campaign Essentials product suite has become central to the evaluation processes of many of the leading agencies for digital display and video campaigns,” said Serge Matta, President of Comscore Commercial Solutions. “We are excited to reach such an important milestone with the completion of our 4,000th study and that leading agencies have been with us every step of the way as we’ve evolved this product suite to meet the demands of advertisers. We believe that this milestone cements vCE as not only the leading campaign analytics platform among agencies but in the entire digital marketplace. We look forward to building on this position by continuing to innovate and push the boundaries of what’s possible in campaign analytics, both within and across media platforms.”

vCE is currently the only campaign analytics solution with MRC accreditation for ad viewability for most cross-domain iframes. It is also the only MRC-accredited service for brand safety and ad engagement. The vCE product suite has recently expanded beyond its original online campaign measurement reporting to include multi-platform campaigns (vCE Multi-Platform). Together, this product suite enables clients to measure campaigns holistically according to their content type and media platform in alignment with how campaigns are planned by agencies today.

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.

Cautionary Note Regarding Forward-Looking Statements
This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, including, but not limited to, expectations regarding the impact and benefits to Comscore from the vCE family of products, financial or otherwise. These statements involve risks and uncertainties that could cause our actual results to differ materially, including, but not limited to: the features and characteristics of the products, the rate of development of the digital marketing intelligence, Internet advertising and e-Commerce markets; the growth of the Internet as a medium for commerce, content, advertising and communications; and the acceptance of new products and methodologies by the industry, including existing and prospective clients.

For a detailed discussion of these and other risk factors, please refer to Comscore's most recent respective Quarterly Reports on Form 10-Q, Annual Reports on Form 10-K and from time to time other filings with the Securities and Exchange Commission (the "SEC"), which are available on the SEC's Web site ( http://www.sec.gov).

Stockholders of Comscore are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date such statements are made. Comscore does not undertake any obligation to publicly update any forward-looking statements to reflect events, circumstances or new information after the date of this press release, or to reflect the occurrence of unanticipated events.

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