OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

CBOE Vest Financial, LLC's Holding History (CIK: 0001709632)

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

Q4 2025

Shares 54,476 Value ($000) $4,402 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 65,401 Value ($000) $5,361 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 41,216 Value ($000) $3,177 Avg Close $76.31 Range $69.94 - $79.78

Q1 2025

Shares 29,999 Value ($000) $2,411 Avg Close $76.90 Range $69.36 - $83.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,476	$4,402	$80.23	$73.20 - $85.91
Q3 2025	65,401	$5,361	$79.81	$73.77 - $85.12
Q2 2025	41,216	$3,177	$76.31	$69.94 - $79.78
Q1 2025	29,999	$2,411	$76.90	$69.36 - $83.20