PROASSURANCE CORP

CUSIP: 74267C10 Class: COM

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

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

Q1 2016
Shares 21,712 Value ($000) $1,099 Avg Close — Range —
Q4 2015
Shares 26,088 Value ($000) $1,266 Avg Close — Range —
Q4 2013
Shares 27,612 Value ($000) $1,339 Avg Close — Range —