OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

First Bank & Trust's Holding History (CIK: 0001692632)

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

Q1 2021

Shares 300 Value ($000) $14 Avg Close $37.61 Range $34.41 - $41.57

Q4 2020

Shares 300 Value ($000) $13 Avg Close $35.50 Range $31.11 - $38.92

Q3 2020

Shares 300 Value ($000) $11 Avg Close $33.22 Range $30.66 - $36.11

Q2 2020

Shares 300 Value ($000) $12 Avg Close $35.99 Range $31.54 - $41.04

Q1 2020

Shares 300 Value ($000) $13 Avg Close $42.27 Range $26.34 - $48.43

Q4 2019

Shares 300 Value ($000) $15 Avg Close $43.72 Range $40.72 - $48.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	300	$14	$37.61	$34.41 - $41.57
Q4 2020	300	$13	$35.50	$31.11 - $38.92
Q3 2020	300	$11	$33.22	$30.66 - $36.11
Q2 2020	300	$12	$35.99	$31.54 - $41.04
Q1 2020	300	$13	$42.27	$26.34 - $48.43
Q4 2019	300	$15	$43.72	$40.72 - $48.47