Investor Presentaiton

HIGH-QUALITY AND DIVERSE CUSTOMER BASE WITH CRITICAL ASSETS LOW CUSTOMER CONCENTRATION SELECT CUSTOMERS - Many of Our Customer Relationships Span Decades PG&E Electric Power AMERICAN ELECTRIC POWER entergy ATCO DUKE ENERGY. CenterPoint. Energy EDISON Southern Company INTERNATIONAL EDF ENGIE renewables INNERGEX Invenergy Largest customer accounted for ~9% Top 10 customers accounted for -36% Renewable Generation Clearway MIDAMERICAN ENERGY COMPANY. AT&T Communications of 2022 revenues of 2022 revenues QUANTA TDS telecom NEXTera ENERGY Bell CC CROWN CASTLE Origis Energy Orsted Pattern CenturyLink™ COMCAST Google Fiber verizon bp Underground Utility & Infrastructure Solutions SOUTHWEST GAS Dominion Energy™ PUGET PSE SOUND ENERGY nationalgrid ENBRIDGE Valero TC Energy Enterprise Products Partners L.P. We provide services across our reporting segments to most of the customers listed Page 9

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