Slide 1: Q3 2025 Earnings
Q3 2025 Earnings November 5, 2025
Slide 2: Call Participants
Call Participants Heather Rosentrater Kevin Christie President and Chief Executive Officer Senior VP, Chief Financial Officer, Treasurer, and Regulatory Affairs Officer 2
Slide 3: Forward-Looking Statements
Forward-Looking Statements This presentation contains forward-looking statements, including statements regarding our current expectations for future financial performance and cash flows, capital expenditures, financing plans, our current plans or objectives for future operations and other factors, w
Slide 4: Consolidated Guidance Affirmed on Utility Strength
Consolidated Guidance Affirmed on Utility Strength Earnings (Loss) per Diluted Share by: Q3 2025 Q3 2024 YTD 2025 YTD 2024 Reportable segments Avista Utilities $0.38 $0.25 $1.63 $1.42 AEL&P $(0.01) --- $0.04 $0.06 Other non-reportable segment loss $(0.01) $(0.02) $(0.16) $(0.04) Total earnings per d
Slide 5: Consolidated Earnings Bridge
Consolidated Earnings Bridge $0.19 $0.84 $(0.47) $(0.12) $(0.03) $(0.05) $(0.11) $(0.04) $(0.02) $1.51 $1.44 $(0.12) * Including intracompany. The chart above includes electric and gas utility margin, which are considered non-GAAP financial measures. Refer to the Appendix for a reconciliation of the
Slide 6: Driving Effective Regulatory Outcomes
Driving Effective Regulatory Outcomes Washington ▪ New rates effective 1/1/2025. ▪ Base electric revenue increase of $11.9M (2%) in year 1, and $68.9M ($44.5M net) (11.6%) in year 2. ▪ Base gas revenue increase of $14.2M (11.2%) in year 1, and $4.0M (2.8%) in year 2. ▪ Overall rate of return 7.32% a
Slide 7: Investing in the Utility of the Future
Investing in the Utility of the Future Other 10% $150 $100 Enterprise $150 $705 Technology $100 $670 13% Transmission $635 and $605 Distribution $575 46% Natural $525 Gas 14% Generation 17% 2025 2026 2027 2028 2029 2030 Base Capital Potential Additional Spend Avista Utilities Expected Capital Spend
Slide 8: Prudent Balance Sheet and Liquidity
Prudent Balance Sheet and Liquidity Consolidated capital structure Liquidity Common stock issued and expected September 30, 2025 September 30, 2025 ($ in millions) ($ in millions) $80 Issued through 9/30/2025 $45 Equity Debt Available liquidity 45.3% 54.7% $253 UP TO $80M OF EQUITY EXPECTED 2026 Let
Slide 9: Earnings Guidance
Earnings Guidance 2025 Guidance Assumptions ▪ Our guidance does not include the effect of unusual or non-recurring items until the effects are probable. Various Avista Utilities $2.43 - $2.61 factors could cause actual results to differ materially from our expectations. Please refer to our 10-K for
Slide 10: Questions
Questions 10
Slide 11: Contact Information
Contact Information Analysts and Investors Stacey Walters Investor Relations Manager (509) 495-2046 stacey.walters@avistacorp.com Media Lena Funston External Communications Manager (509) 495-8090 lena.funston@avistacorp.com Webcast replay Archived on investor.avistacorp.com 11
Slide 12: Appendix
Appendix 12
Slide 13: Reconciliation of Non-GAAP Measures
Reconciliation of Non-GAAP Measures Electric Natural Gas Intracompany Total 2025 2024 2025 2024 2025 2024 2025 2024 For the three months ended Sept. 30 Operating revenues $ 329 $ 316 $ 69 $ 74 $ (4) $ (6) $ 394 $ 384 Resource costs 88 107 31 40 (4) (6) 115 141 Income taxes (a) 50 44 8 7 - - 58 51 Ut
Slide 14: Risks, Uncertainties and Other Factors That Could Affect Future Results
Risks, Uncertainties and Other Factors That Could Affect Future Results Forward-looking statements are subject to a variety of risks, uncertainties and other factors, most of which are beyond our control and many of which could have significant impact on our operations, results of operations, financ
Slide 15: Risks, Uncertainties and Other Factors That Could Affect Future Results
Risks, Uncertainties and Other Factors That Could Affect Future Results Technology Risk changes in technologies, possibly making some of the current technology we utilize obsolete or introducing new cyber security risks and other new risks inherent in the use, by either us or our counterparties, of