OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Advisory Services Network, LLC's Holding History (CIK: 0001573876)

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

Q3 2025

Shares 1,489 Value ($000) $122 Avg Close $79.81 Range $73.77 - $85.12

Q4 2023

Shares 438 Value ($000) $37 Avg Close $72.94 Range $64.95 - $84.21

Q3 2020

Shares 24 Value ($000) $1 Avg Close $33.22 Range $30.66 - $36.11

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,489	$122	$79.81	$73.77 - $85.12
Q4 2023	438	$37	$72.94	$64.95 - $84.21
Q3 2020	24	$1	$33.22	$30.66 - $36.11