144 0001174958 XXXXXXXX LIVE 0000104918 AVISTA CORP 001-03701 1411 E MISSION AVE SPOKANE WA 99202 5094890500 MEYER DAVID J Vice President Common Stock Georgeson Securities Corp

118 Fernwood Ave Edison NJ 08837

1367 50045.87 81110750 09/05/2025 NYSE Common Stock 09/05/2025 Restricted Stock Vesting Avista Corporation N 1367 09/05/2025 Services Rendered Y Date acquired is on various dates 09/05/2025 Conformed Signature On File