COMSCORE INC

CUSIP: 20564W105 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2016
Shares 22,639 Value ($000) $715 Avg Close — Range —
Q3 2016
Shares 46,024 Value ($000) $1,411 Avg Close — Range —
Q2 2016
Shares 58,179 Value ($000) $1,389 Avg Close — Range —
Q1 2016
Shares 56,634 Value ($000) $1,701 Avg Close — Range —
Q4 2015
Shares 26,755 Value ($000) $1,101 Avg Close — Range —
Q3 2015
Shares 33,625 Value ($000) $1,552 Avg Close — Range —
Q2 2015
Shares 190,324 Value ($000) $10,136 Avg Close — Range —
Q1 2015
Shares 127,623 Value ($000) $6,534 Avg Close — Range —