OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2022

Shares 100 Value ($000) $6 Avg Close $66.11 Range $56.18 - $75.76

Q2 2022

Shares 100 Value ($000) $7 Avg Close $57.93 Range $52.29 - $62.99

Q1 2022

Shares 100 Value ($000) $6 Avg Close $56.77 Range $53.45 - $64.83

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	100	$6	$66.11	$56.18 - $75.76
Q2 2022	100	$7	$57.93	$52.29 - $62.99
Q1 2022	100	$6	$56.77	$53.45 - $64.83