OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q4 2025

Shares 22,949 Value ($000) $1,855 Avg Close $80.23 Range $73.20 - $85.91

Q3 2025

Shares 8,574 Value ($000) $703 Avg Close $79.81 Range $73.77 - $85.12

Q2 2025

Shares 3,698 Value ($000) $285 Avg Close $76.31 Range $69.94 - $79.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,949	$1,855	$80.23	$73.20 - $85.91
Q3 2025	8,574	$703	$79.81	$73.77 - $85.12
Q2 2025	3,698	$285	$76.31	$69.94 - $79.78