OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Convergence Investment Partners, LLC's Holding History (CIK: 0001456133)

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

Q4 2017

Shares 18,065 Value ($000) $803 Avg Close $36.46 Range $34.36 - $38.83

Q4 2013

Shares 21,250 Value ($000) $622 Avg Close $19.79 Range $18.12 - $20.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	18,065	$803	$36.46	$34.36 - $38.83
Q4 2013	21,250	$622	$19.79	$18.12 - $20.92