COMSCORE, INC. — Director's Dealing 2011

Mar 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMSCORE, INC. (SCOR)
CIK: 0001158172
Period of Report: 2011-02-28

Reporting Person: Dale Gregory T (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-28	Common Stock	M	2000	$.25	Acquired	83752	Direct
2011-02-22	Common Stock	S	2000	$28.0531	Disposed	81752	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-28	Common Stock	$.25	M	2000	Disposed	2014-04-27	Common Stock (2000)	Direct

Footnotes

F1: Shares disposed of pursuant to a 10b5-1 plan entered into in August 2010.

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