OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

&PARTNERS's Holding History (CIK: 0000107136)

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

Q4 2025

Shares 2,808 Value ($000) $227 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 2,805 Value ($000) $230 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 2,652 Value ($000) $204 Avg Close $76.31 Range $69.94 - $79.78

Q1 2025

Shares 2,699 Value ($000) $218 Avg Close $76.90 Range $69.36 - $83.20

Q3 2024

Shares 2,655 Value ($000) $208 Avg Close $83.04 Range $72.06 - $96.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,808	$227	$80.23	$73.20 - $85.91
Q3 2025	2,805	$230	$79.81	$73.77 - $85.12
Q2 2025	2,652	$204	$76.31	$69.94 - $79.78
Q1 2025	2,699	$218	$76.90	$69.36 - $83.20
Q3 2024	2,655	$208	$83.04	$72.06 - $96.51