OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Empirical Finance, LLC's Holding History (CIK: 0001572838)

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

Q4 2016

Shares 357 Value ($000) $15 Avg Close $28.65 Range $25.36 - $32.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	357	$15	$28.65	$25.36 - $32.91