AVISTA CORP

Ticker: AVA CUSIP: 05379B107 Class: Common Stock

MERCER GLOBAL ADVISORS INC /ADV's Holding History (CIK: 0000853758)

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

Q4 2025

Shares 11,862 Value ($000) $457 Avg Close $38.78 Range $36.05 - $41.60

Q3 2025

Shares 7,470 Value ($000) $282 Avg Close $36.47 Range $34.98 - $37.71

Q1 2025

Shares 4,786 Value ($000) $200 Avg Close $36.27 Range $33.08 - $40.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,862	$457	$38.78	$36.05 - $41.60
Q3 2025	7,470	$282	$36.47	$34.98 - $37.71
Q1 2025	4,786	$200	$36.27	$33.08 - $40.42