COMSCORE INC

CUSIP: 20564W10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2015
Shares 170,557 Value ($000) $7,018 Avg Close — Range —
Q3 2015
Shares 196,974 Value ($000) $10,491 Avg Close — Range —
Q2 2015
Shares 196,974 Value ($000) $10,491 Avg Close — Range —
Q1 2015
Shares 102,203 Value ($000) $5,233 Avg Close — Range —
Q4 2014
Shares 26,208 Value ($000) $1,217 Avg Close — Range —
Q3 2014
Shares 50,730 Value ($000) $1,847 Avg Close — Range —
Q2 2014
Shares 228,264 Value ($000) $8,099 Avg Close — Range —
Q1 2014
Shares 341,477 Value ($000) $11,197 Avg Close — Range —
Q4 2013
Shares 299,983 Value ($000) $8,583 Avg Close — Range —
Q3 2013
Shares 160,090 Value ($000) $4,638 Avg Close — Range —
Q2 2013
Shares 30,951 Value ($000) $755 Avg Close — Range —