13D Filing: Starboard Value LP and Comscore Inc. (SCOR)

⁽¹⁾ Includes 500,000 Shares underlying a certain
forward purchase contract exercisable within 60 days hereof.

⁽²⁾ Includes 1,287,790 Shares issuable upon the conversion
of certain Notes and excludes additional Shares that are not issuable due to the beneficial ownership limitation, which provides
that the Notes may not be converted if, after such conversion, the Reporting Persons would beneficially own more than 4.99% of
the Issuer’s Shares.