LUMA Opportunity Highlights

CANADIAN CU UTILITIES LIMITED An ATCO Company CU CANADIAN UTILITIES LIMITED An ATCO Company QUANTA IEM. • . . LUMA CONSORTIUM 50 per cent joint venture owner Operator of world-class utility businesses delivering safe, reliable and affordable energy to customers Market capitalization of C$9B 50 per cent joint venture owner Industry-leading contractor building reliable energy infrastructure and providing skilled workforce training Market capitalization of C$7B Sub-contractor to LUMA 34 years+ experience supporting disaster response and recovery programs funded by federal, state and local sources with US$51B deployed to date INVESTOR PRESENTATION FEBRUARY 2021 29 LUMA Purpose-built utility company LUMA Best-in-class operational and customer service expertise Superior electric utility services and project execution capabilities Long-time partners with track record of superior performance Specialized partner with best-in-class disaster relief funding experience CANADIAN ATCO CUTILITIES LIMITED An ATCO Company

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