Comscore Announces Third Quarter Conference Call Details

Reston, VA – October 24, 2008Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today announced it will report its third-quarter 2008 financial results after U.S. financial markets close on Thursday, October, 30, 2008. In conjunction with this announcement, a conference call will be hosted by Dr. Magid Abraham, president and chief executive officer, and John Green, chief financial officer, on Thursday, October 30, 2008, at 5:00 p.m. (ET) to discuss the Company’s financial results.

To access this call, dial 888-713-4205 (domestic) or 617-213-4862 (international). The pass code for the call is 59626375. Investors are advised to dial in at least ten minutes prior to the call to register. In order to bypass the operator upon connection, participants may pre-register for the conference call at: www.theconferencingservice.com/prereg/key.process?key=P7CUM4QNB. Pre-registrants will be issued a pin number to use for quick access to the live call. Additionally, a live webcast of the conference call will be available on the “Investor Relations” page on the Company’s Web site ir.comscore.com/events.cfm.

Following the conference call, a replay will be available at 888-286-8010 (domestic) or 617-801-6888 (international). The replay pass code for this call is 35513540. An archived webcast of this conference call will also be available at http://ir.comscore.com/events.cfm. The replay conference call and webcast will be available until November 13, 2008.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital marketing intelligence. For more information, please visit www.comscore.com/boilerplate.

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

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