Investor Presentaiton

24 STN TSX NYSE Our opportunity Key Market Trends Climate change, Urbanization, Geopolitics and breakthrough technology STRATEGIC GROWTH OPPORTUNITIES EXCELLENCE INNOVATION PEOPLE GROWTH TUI BELE COASTAL RESILIENCE ECOSYSTEM RESTORATION US $300B1 US $9,000B1 SMART CITIES AND URBAN PLACES US $1,700B² ENERGY REMIX US$24T TOTAL SPEND IN THE NEXT DECADE US$2T ADDRESSABLE ENGINEERING AND DESIGN SPEND US $13,040B³ 1) United Nations by 2030 2) Navigant Research by 2030 3) IEA by 2025

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