OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Financial Engines Advisors L.L.C.'s Holding History (CIK: 0001420473)

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

Q4 2025

Shares 30,590 Value ($000) $2,472 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 29,990 Value ($000) $2,458 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 28,758 Value ($000) $2,217 Avg Close $76.31 Range $69.94 - $79.78

Q1 2025

Shares 22,881 Value ($000) $1,839 Avg Close $76.90 Range $69.36 - $83.20

Q4 2024

Shares 22,627 Value ($000) $1,671 Avg Close $75.57 Range $70.66 - $85.02

Q3 2024

Shares 23,202 Value ($000) $1,813 Avg Close $83.04 Range $72.06 - $96.51

Q2 2024

Shares 22,280 Value ($000) $1,952 Avg Close $83.59 Range $77.75 - $92.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,590	$2,472	$80.23	$73.20 - $85.91
Q3 2025	29,990	$2,458	$79.81	$73.77 - $85.12
Q2 2025	28,758	$2,217	$76.31	$69.94 - $79.78
Q1 2025	22,881	$1,839	$76.90	$69.36 - $83.20
Q4 2024	22,627	$1,671	$75.57	$70.66 - $85.02
Q3 2024	23,202	$1,813	$83.04	$72.06 - $96.51
Q2 2024	22,280	$1,952	$83.59	$77.75 - $92.55