COMSCORE, INC. — Director's Dealing 2011

May 11, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMSCORE, INC. (SCOR)
CIK: 0001158172
Period of Report: 2011-05-09

Reporting Person: Dale Gregory T (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-09	Common Stock	M	1750	$.25	Acquired	82053	Direct
2011-05-09	Common Stock	S	1750	$27.9189	Disposed	80303	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-09	Common Stock	$.25	M	1750	Disposed	2014-04-27	Common Stock (1750)	Direct

Footnotes

F1: Shares disposed of pursuant to a 10b5-1 plan entered into in March 2011.

F2: Option grant 100% immediately vesting upon grant date of 4/28/04 for Grant ID #1743.