Investor Presentaiton

2019 General rate case Initial filing February 15, 2018 • Rate Base: $4.86 billion • • • Return on Equity: 9.5% Capital Structure: 50% debt and 50% equity Requested Customer Price Increase: 4.8% Stipulated September 6, 2018 Rate base: $4.75 billion • Return on Equity: 9.5% Capital Structure: 50% debt and 50% equity Requested Customer Price Increase: <1.0% Primary outstanding issues: • • Full volumetric decoupling Storm restoration balancing account Trended weather in the load forecast Next steps: Final Order expected in December 2018 Customer prices in effect January 2019 8

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