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AVISTA Exhibit 99.1 Contact : Media : Laurine Jue ( 509 ) 495-2510 laurine.jue@avistacorp.com Investors : John Wilcox ( 509 ) 495-4171 john.wilcox@avistacorp.com Avista 24/7 Media Access ( 509 ) 495-4174 Avista Corp. Reports Financial Results for First Quarter 2021 and Confirms Earnings Guidance SPOKANE , Wash . - May 5 , 2021 , 4:05 a.m. PDT : Avista Corp. ( NYSE : AVA ) today reported net income of $ 68.0 million , or $ 0.98 per diluted share , for the first quarter of 2021 , compared to $ 48.4 million , or $ 0.72 per diluted share , for the first quarter of 2020 . " We're off to a good start in 2021 and we are on track to meet our earnings targets for the full year . Avista Utilities ' earnings were better than expected due to higher utility margin , mainly from lower net power supply costs , " said Dennis Vermillion , president and chief executive officer of Avista Corp. " AEL & P's earnings met expectations for the first quarter and our other businesses exceeded expectations due to gains on our investments . " Regarding our commitment to environmental stewardship , we've taken several significant steps toward creating our clean energy future . Most recently , we announced our new aspirational natural gas goal of being carbon neutral by 2045 , with a near - term goal of 30 percent reduction in greenhouse gas emissions by 2030. We also signed a contract with the Chelan County Public Utility District that will add more clean , affordable hydroelectric energy into our electric resource mix . Plus , we filed our 2021 Electric Integrated Resource Plan , which includes strategies that move us closer to achieving Avista's clean electricity goal to provide customers with a carbon neutral supply of electricity by 2027 . " We are confirming our 2021 , 2022 , and 2023 earnings guidance with consolidated ranges of $ 1.96 to $ 2.16 per diluted share in 2021 , $ 2.18 to $ 2.38 per diluted share in 2022 , and $ 2.42 to $ 2.62 per diluted share in 2023 , " Vermillion added . 1