Investor Presentaiton

Strong 5-Year Rate Base Growth 2018 2023F CAGR UNS $4.7B $6.6B 6.9% ITC $7.8B $10.8B 6.8% Growth Mainly Driven by U.S. FortisBC Energy $4.4B $5.9B 6.0% Utility Investments Other(2) $9.2B $12.2B 5.9% Total $26.1B $35.5B 6.3% (1) US dollar-denominated rate base for 2018 is based on the actual average USD/CAD foreign exchange rate of $1.30 and forecast rate base for 2019 to 2023 is based on $1.28. (2) Comprises Central Hudson, Fortis Alberta, FortisBC Electric, Eastern Canadian and Caribbean electric utilities Note: 5-year rate base is for the period 2019 through 2023. FORTIS.INC 15

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