OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Entropy Technologies, LP's Holding History (CIK: 0001976151)

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

Q4 2025

Shares 6,567 Value ($000) $531 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 9,157 Value ($000) $751 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 7,358 Value ($000) $567 Avg Close $76.31 Range $69.94 - $79.78

Q1 2025

Shares 9,150 Value ($000) $735 Avg Close $76.90 Range $69.36 - $83.20

Q4 2024

Shares 9,850 Value ($000) $727 Avg Close $75.57 Range $70.66 - $85.02

Q3 2024

Shares 8,550 Value ($000) $668 Avg Close $83.04 Range $72.06 - $96.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,567	$531	$80.23	$73.20 - $85.91
Q3 2025	9,157	$751	$79.81	$73.77 - $85.12
Q2 2025	7,358	$567	$76.31	$69.94 - $79.78
Q1 2025	9,150	$735	$76.90	$69.36 - $83.20
Q4 2024	9,850	$727	$75.57	$70.66 - $85.02
Q3 2024	8,550	$668	$83.04	$72.06 - $96.51