OTTER TAIL CORP

CUSIP: 68964810 Class: COM

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

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

Q3 2016
Shares 28,840 Value ($000) $998 Avg Close — Range —
Q2 2016
Shares 43,684 Value ($000) $1,463 Avg Close — Range —
Q1 2016
Shares 23,020 Value ($000) $682 Avg Close — Range —
Q2 2014
Shares 25,547 Value ($000) $774 Avg Close — Range —
Q1 2014
Shares 24,795 Value ($000) $763 Avg Close — Range —