LUMA Opportunity Highlights

CANADIAN CU UTILITIES LIMITED An ATCO Company CU Inc. ~$8 billion debt capitalization ORGANIZATIONAL STRUCTURE CU INC. 100% An ATCO Company CU CANADIAN UTILITIES LIMITED An ATCO Company Canadian Utilities (TSX: CU / CU.X) ~$9 billion common equity capitalization 100% UTILITIES BUSINESS UNIT 100% ENERGY INFRASTRUCTURE BUSINESS UNIT 100% CORPORATE Electricity Distribution Electricity Transmission International Electricity Operations Natural Gas Distribution Natural Gas Transmission International Natural Gas Distribution INVESTOR PRESENTATION FEBRUARY 2021 Electricity Generation Storage & Industrial Water 18 Retail Energy CANADIAN ATCO CUTILITIES LIMITED An ATCO Company

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