COMSCORE INC

CUSIP: 20564W105 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2016
Shares 18,000 Value ($000) $568 Avg Close — Range —
Q3 2016
Shares 18,000 Value ($000) $552 Avg Close — Range —
Q2 2016
Shares 18,900 Value ($000) $451 Avg Close — Range —
Q1 2016
Shares 18,800 Value ($000) $565 Avg Close — Range —