2020 Quick Facts ENERGYWE HAVE FOR AENERGYNEW ERAFOR THAT

Avista Corp. Financial Data Avista Utilities Generation Capability of Company-Owned Coyote Springs 2 ...... 295.0 Year Ended 12/31/19 Resources (MegaWatts) Kettle Falls (Biomass) ...... 53.5 Population of Service Area ...... 1,700,000 Kettle Falls CT ...... 6.9 Total Annual Revenue ...... $1,345,622,000 Miles of Transmission Line Hydroelectric Northeast CT ...... 64.8 Net Income ...... $ 196,979,000 230kV ...... 700 Cabinet Gorge (Clark Fork) ...... 273.0 Rathdrum CT ...... 166.5 Earnings Common Share Diluted ...... $ 2.97 115kV ...... 1,570 Little Falls ...... 48.0 Total Thermal Capability ...... 833.3 Dividends Paid per Common Share ...... $ 1.55 500kV ...... 500 Long Lake ...... 88.0 Total Generation Capability ...... 1,882.4 Book Value per Common Share ...... $ 28.87 Miles of Distribution Lines ...... 19,100 Monroe Street ...... 15.0 Stock Price as of 12/31/19 ...... $ 48.09 Miles of Natural Gas Distribution Mains ...... 8,000 Nine Mile ...... 40.6 Electric Load 2019 Range Percent of Utility Operating Revenues by Noxon Rapids (Clark Fork) ...... 562.4 Electric Average Hourly Load (aMW) ...... 1,081 High...... $ 49.47 Jurisdiction—Retail Revenue Post Falls ...... 11.9 Peak Electric Native Load Required for 2019 Low ...... $ 39.75 (Actual Sales to Customers) Upper Falls ...... 10.2 Retail—Winter ...... 1,577 Employees (Avista Utilities Employees Only) ...... 1,796 ...... 63% Total Hydroelectric Capability ...... 1,049.1 Retail—Summer ...... 1,656 Employee Community Volunteer Hours ...... 12,609 ...... 29% ...... 8% Thermal Generation Forecasted Electric Energy Boulder Park ...... 24.6 Requirements (aMW) Colstrip Units 3 and 4 ...... 222.0 System Load—2020 ...... 1,102 2020 Quick Facts

Electric Annual Revenue per Customer Retail Electric Revenues ...... $ 799,941,000 (Residential) ...... $ 611.28 Wholesale Electric Revenues ...... $ 73,232,000 Peak Day Demand (Dth) ...... 282,780 Retail Energy Sales (Thousands of MWhs) ...... 8,645 QUICK Wholesale Energy Sales (Thousands of MWhs) ...... 2,787 Utility Power Supply Mix Retail Electric Customers (Avg/Period) ...... 389,911 Total Hydro (Includes Long-Term Contracts) ...... 51% Annual Use per Residential Customer (kWh)...... 10,914 Company-Owned Hydro ...... 42% FACTS Revenue per kWh (Residential) ...... $ 0.098 Long-Term Hydro Contracts ...... 9% Annual Revenue per Customer Natural Gas ...... 34% (Residential) ...... $ 1,069.66 Coal ...... 9% Avista Headquarters Investor Information 1411 East Mission Avenue 800.222.4931 Biomass ...... 2% Spokane, WA 99202 Natural Gas Wind Contract ...... 4% 509.489.0500 Exchange Listing Ticker Symbol: AVA, Retail Natural Gas Revenues ...... $ 293,861,000 Mailing Address Stock Exchange 2020 Wholesale Natural Gas Revenues ...... $ 135,039,000 100% PO Box 3727 Spokane, WA 99220-3727 Websites Retail Therms Delivered ...... 387,166,000 www.avistacorp.com Transportation Therms Delivered ...... 187,514,000 24/7 Media Line www.myavista.com 509.495.4174 Wholesale Therms Delivered ...... 590,802,000 Avista serves electric and natural Find us on Retail Natural Gas Customers (Avg/Period) ...... 357,433 gas customers in eastern Washington Report and Outage Facebook & Twitter Annual Use per Residential Customer (Therms) ...... 720 and northern Idaho, and natural 800.227.9187 www.facebook.com/ View Outage Updates avistautilities Revenue per Therm (Residential) ...... $ 0.85 gas customers in southern and www.myavista.com www.twitter.com/ avistautilities eastern Oregon. PRINTED ON RECYCLED PAPER