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Investor Presentaiton

2019 Regulatory Outlook ITC A FORTIS COMPANY UNS MISO Base ROE Complaints FERC recently established new supportive methodology Awaiting final decision from FERC Notice of Inquiries (NOIs) issued by FERC in March 2019 to seek stakeholder comments on: • . Incentive policies for transmission investment Methodology for establishing ROES UNS Energy Corporation TEP rate case filed on April 1st using December 31, 2018 test year A Fortis Company FORTIS BC 2020-2024 Multi-Year Rate Plan Filed in March 2019 FORTIS.NO. 23

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