X0306 4/A 2022-01-05 2022-01-07 0 0000104918 AVISTA CORP AVA 0001651430 Schlect Edward David 1411 E. MISSION AVENUE SPOKANE WA 99202 0 1 0 0 Vice President Common Stock - Performance Shares 2022-01-05 4 M 0 1904 A 13118 D Common Stock - Performance Shares 2022-01-05 4 F 0 573 42.62 D 12545 D Conversion of 2019 Performance Shares 2022-01-05 4 M 0 2505 D Common Stock 2505 0 D No conversion price. Shares awarded if performance measure is met. Shares withheld to pay income tax on Performance Shares acquired 1/5/22. Original shares withheld provided by third party vendor to pay income tax was incorrect. This is the corrected amount. /s/Edward D. Schlect 2022-01-14