COMSCORE INC

CUSIP: 20564W105 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016
Shares 21,081 Value ($000) $666 Avg Close — Range —
Q2 2016
Shares 21,450 Value ($000) $512 Avg Close — Range —
Q1 2016
Shares 20,479 Value ($000) $615 Avg Close — Range —
Q4 2015
Shares 5,211 Value ($000) $214 Avg Close — Range —
Q3 2015
Shares 4,788 Value ($000) $221 Avg Close — Range —
Q2 2015
Shares 4,663 Value ($000) $248 Avg Close — Range —
Q1 2015
Shares 4,539 Value ($000) $232 Avg Close — Range —
Q4 2014
Shares 4,400 Value ($000) $204 Avg Close — Range —
Q3 2014
Shares 4,264 Value ($000) $155 Avg Close — Range —
Q2 2014
Shares 4,052 Value ($000) $144 Avg Close — Range —
Q1 2014
Shares 3,924 Value ($000) $129 Avg Close — Range —
Q4 2013
Shares 5,280 Value ($000) $151 Avg Close — Range —
Q3 2013
Shares 4,876 Value ($000) $141 Avg Close — Range —
Q2 2013
Shares 4,501 Value ($000) $110 Avg Close — Range —