OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

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

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

Q3 2019

Shares 3,800 Value ($000) $204 Avg Close $43.78 Range $40.10 - $46.25

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	3,800	$204	$43.78	$40.10 - $46.25