AVISTA CORP

Ticker: AVA CUSIP: 05379B107 Class: Common Stock

Aventail Capital Group, LP's Holding History (CIK: 0001803822)

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

Q4 2025

Shares 16,673 Value ($000) $643 Avg Close $38.78 Range $36.05 - $41.60

Q3 2025

Shares 160,703 Value ($000) $6,076 Avg Close $36.47 Range $34.98 - $37.71

Q2 2025

Shares 183,560 Value ($000) $6,966 Avg Close $38.22 Range $35.57 - $41.49

Q1 2025

Shares 175,831 Value ($000) $7,362 Avg Close $36.27 Range $33.08 - $40.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,673	$643	$38.78	$36.05 - $41.60
Q3 2025	160,703	$6,076	$36.47	$34.98 - $37.71
Q2 2025	183,560	$6,966	$38.22	$35.57 - $41.49
Q1 2025	175,831	$7,362	$36.27	$33.08 - $40.42