LUMA Opportunity Highlights

CANADIAN CU UTILITIES LIMITED An ATCO Company CHANGING ELECTRICITY GENERATION PORTFOLIO 2019 GENERATION BUSINESS CHANGES In September 2019, Canadian Utilities sold the entire Canadian fossil fuel-based electricity generation business for aggregate proceeds of $821 million. Sold 12 coal-fired and natural gas-fired electricity generation assets located in Alberta, British Columbia, Saskatchewan and Ontario, with generating capacity of approximately 2,300 MW. 2020 GENERATION BUSINESS Expanding Renewable Electricity Generation Capabilities Natural Gas 185 MW (75%) Hydro 59 MW (24%) INVESTOR PRESENTATION FEBRUARY 2021 14 Solar 3 MW (1%) CANADIAN ATCO CUTILITIES LIMITED An ATCO Company

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