Investor Presentaiton

Executed Well in 2017 ~6.25% Dividend Increase in Q4 '17 FORTIS INC. ~$3.1B 2017F Capital Plan ✓ 44th consecutive annual dividend payment increase Focused on organic growth Fortis 2017F Rate Base $25.4B On track UNS UNS Energy Corporation Regulated- Canadian & Caribbean (Electric & Gas) 47% Regulated- Independent Transmission (ITC) 29% ✓ Constructive rate case settlements reached in Q1 FORTIS ITC A FORTIS COMPANY Regulated-U.S. (Electric & Gas) 24% ✓Integration on track ✓ Accretive to EPS 6

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