Investor Presentaiton

PORTFOLIO APPROACH AND DIVERSITY OF REVENUE HELPS MITIGATE RISK Superior Risk Profile Fiscal Year 2022(1) Estimated Revenue by Geography Estimated Revenue by Project Type Estimated Revenue by Contract Type Large Project Unit Price 35% Cost Plus & Other 22% United States 84% Canada 12% Australia 3% Repair, Replace & Upgrade -49% New Construction ~51% Other 1% *Master Service Agreements (MSA) account for 46% of total revenues QUANTA (1) Revenues by geography, project and contract type are based on revenues of $17,074 million for the twelve months ended Dec. 31, 2022. Fixed Price 43% Est. avg. contract value <$4mm Page 19

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