Media Alert Contact:  David Vowels, david.vowels@avistacorp.com  Avista 24/7 Media Access (509) 495-4174  SPOKANE, Wash., Sept. 2, 2026 — Approximately 2,024 Avista electric customers in Colfax and the surrounding area will experience a planned power outage beginning at 10:00 p.m. Thursday, Sept.

Filings include a reduction for natural gas customers in advance of the heating season; electric rates would remain nearly unchanged SPOKANE, Wash., Aug. 31, 2026 (GLOBE NEWSWIRE) -- Avista  (NYSE: AVA) – Avista’s Washington natural gas customers would see lower monthly bills this winter under

Media Alert Contact:   David Vowels, david.vowels@avistacorp.com   Avista 24/7 Media Access (509) 495-4174  Spokane, Wash. August 19, 2026: Approximately 636 Avista electric customers east of Deary in Helmer, Bovill and Elk River will experience a planned power outage on Thursday, August 27.

THOMPSON FALLS, Mont. – Aug. 18, 2026: Avista Utilities is proud to announce that its 16th Annual Charity Golf Scramble and Silent Auction, held on August 15, 2026, at River’s Bend Golf Course in Thompson Falls, raised $16,461 in support of the Thompson River Animal Care Shelter (TRACS).

Media Alert Contact:   David Vowels, david.vowels@avistacorp.com   Avista 24/7 Media Access (509) 495-4174  Avista to perform infrastructure upgrades Spokane, Wash. August. 12, 2026: Approximately 719 Avista customers in Weippe, and the surrounding areas will experience a power outage starting at 8

Leadership changes focus on enhancing strategic execution and future growth SPOKANE, Wash., Aug. 10, 2026 (GLOBE NEWSWIRE) -- Avista  (NYSE: AVA) today announced changes to its leadership team, effective Oct. 1, 2026, as part of a planned succession strategy designed to enhance the company’s

Contact:                                            Avista 24/7 Media Access (509) 495-4174 Crews are safely restoring natural gas services and conducting vegetation management as access has become available. SPOKANE, Wash., August 10, 2026, 2 PM — With the additional reduction of evacuation zones

Avista contract crews will be removing dangerous trees and vegetation near utility infrastructure following wildfires in the Spokane area. SPOKANE, Wash., Aug. 7, 2026, 2 PM— As residents impacted by area wildfires continue navigating different stages of recovery, Avista is taking the next step to

Improved fire containment is allowing Avista crews additional access to safely repair damaged electric and natural gas infrastructure in wildfire-affected areas across the region. SPOKANE, Wash., August 5, 2026, 3 PM — As firefighting efforts continue across the Inland Northwest, Avista electric

SPOKANE, Wash., Aug. 04, 2026 (GLOBE NEWSWIRE) -- Avista Corp.’s ( NYSE: AVA) board of directors has declared a quarterly dividend of $0.4925 per share on the company’s common stock, yielding an annualized dividend of $1.97. The common stock dividend is payable September 14, 2026, to shareholders