LUMA Opportunity Highlights

CANADIAN CU UTILITIES LIMITED An ATCO Company Federal relief funding Counterparties to O&M Agreement oversight Regulatory and KEY ORGANIZATIONS LUMA IS WORKING WITH Puerto Rico Electric Power Authority U.S. DEPARTMENT O HOMELAND OF ALIND FEMA . Corporation responsible for power generation and T&D in Puerto Rico • VILL Puerto Rico Energy Bureau Counterparty to O&M Agreement Owner of all assets and retains all existing liabilities Coordinates US federal government's role in disaster response and recovery P3 Public-Private Partnerships (P3) Authority • LUMA Government agency responsible for administering P3s in Puerto Rico. Counterparty to and administrator of O&M Agreement • Agency set up as recipient of federal relief funding from FEMA Coordinates with sub-recipients, such as PREPA, to distribute funds . Provider of federal funding to Puerto Rico CORE B • . for planned capital program to rebuild from 2017 hurricanes Entity responsible for regulatory oversight of the electrical system Approves all rates and applications using a Fair and Reasonable Doctrine CENTRAL OFFICE FOR RECOVERY, RECONSTRUCTION AND RESILIENCY Financial Oversigh & Manageme # Rico for Puerto FOMB Board 33 • . Financial oversight board responsible for managing Title III bankruptcy process and fiscal plans in Puerto Rico Interaction with LUMA as Puerto Rico bankruptcy process concludes ATCO CUTILITIES LIMITED CANADIAN An ATCO Company INVESTOR PRESENTATION FEBRUARY 2021

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