OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Rehmann Capital Advisory Group's Holding History (CIK: 0001633037)

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

Q3 2019

Shares 833 Value ($000) $44,802 Avg Close $43.78 Range $40.10 - $46.25

Q2 2019

Shares 829 Value ($000) $43,791 Avg Close $42.32 Range $40.14 - $44.48

Q1 2019

Shares 824 Value ($000) $41,097 Avg Close $40.53 Range $37.77 - $42.81

Q4 2018

Shares 820 Value ($000) $40,730 Avg Close $39.10 Range $36.10 - $42.66

Q3 2018

Shares 816 Value ($000) $39,091 Avg Close $39.34 Range $38.11 - $40.62

Q2 2018

Shares 812 Value ($000) $38,642 Avg Close $36.40 Range $34.04 - $39.53

Q1 2018

Shares 807 Value ($000) $35 Avg Close $33.54 Range $29.25 - $35.88

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	833	$44,802	$43.78	$40.10 - $46.25
Q2 2019	829	$43,791	$42.32	$40.14 - $44.48
Q1 2019	824	$41,097	$40.53	$37.77 - $42.81
Q4 2018	820	$40,730	$39.10	$36.10 - $42.66
Q3 2018	816	$39,091	$39.34	$38.11 - $40.62
Q2 2018	812	$38,642	$36.40	$34.04 - $39.53
Q1 2018	807	$35	$33.54	$29.25 - $35.88