Comscore to Host Investor Day on May 29 in New York City

RESTON, VA, May 22, 2008 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today announced that the company will host an Investor Day meeting on Thursday, May 29, 2008 at the New York Palace Hotel in New York City. Dr. Magid Abraham, President / CEO & Co-Founder, and other members of the Comscore senior management team will discuss the company's strategy, products and market opportunities.

A live audio webcast of the presentation will be available to the public on the Investor Relations section of the company's Web site at ir.comscore.com/events.cfm. An archived replay will be available for approximately 90 days following the event at the same link.

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

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