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AVISTA Exhibit 99.1 Contact : Media : Laurine Jue ( 509 ) 495-2510 laurine.jue@avistacorp.com Investors : Stacey Wenz ( 509 ) 495-2046 stacey.wenz@avistacorp.com Avista 24/7 Media Access ( 509 ) 495-4174 Avista Corp. Reports Financial Results for Third Quarter and Year - to - Date 2021 and Confirms 2021 and 2023 Consolidated Guidance , Lowers 2022 Consolidated Guidance SPOKANE , Wash . - Nov. 3 , 2021 , 4:05 a.m. PDT : Avista Corp. ( NYSE : AVA ) today reported net income of $ 14.4 million , or $ 0.20 per diluted share , for the third quarter of 2021 , compared to $ 4.9 million , or $ 0.07 per diluted share , for the third quarter of 2020. For the nine months ended Sept. 30 , 2021 , net income was $ 96.5 million , or $ 1.38 per diluted share , compared to $ 70.8 million , or $ 1.04 per diluted share for the nine months ended Sept. 30 , 2020 . " We have concluded our Idaho and Washington general rate cases this quarter , with rates in effect September 1 and October 1 , respectively . We are pleased with the Commissions ' support of our ongoing investments in the infrastructure that serves our customers and offers us the opportunity to continue to provide our customers with safe , reliable and affordable energy without immediately impacting customer bills , " said Dennis Vermillion , president and chief executive officer of Avista Corp. " Avista Utilities ' earnings were above expectations for the third quarter primarily due to the timing of recognition of income taxes . " AEL & P's earnings remain on track to meet the full year guidance . " We are pleased our investments have produced significant gains in 2021 , exceeding expectations . We continue to expect these investments to contribute 5 to 10 cents per diluted share going forward . " We are confirming our consolidated earnings guidance for 2021 and 2023 of $ 1.96 to $ 2.16 per diluted share in 2021 and $ 2.42 to $ 2.62 per diluted share in 2023. We are lowering our consolidated guidance by $ 0.10 per diluted share in 2022 to a range of $ 1.93 to $ 2.13 per diluted share . This is primarily due to lower recovery of certain operating costs in the Washington general rate cases , and higher operating costs , " Vermillion added . 1