OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q3 2019

Shares 111 Value ($000) $6 Avg Close $43.78 Range $40.10 - $46.25

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	111	$6	$43.78	$40.10 - $46.25