COMSCORE INC

CUSIP: 20564W105 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q1 2016
Shares 40,978 Value ($000) $1,231 Avg Close — Range —
Q4 2015
Shares 119,175 Value ($000) $4,904 Avg Close — Range —