Investor Presentaiton

6 EXCELLENCE INNOVATION PEOPLE GROWTH STN TSX NYSE Infrastructure Organic net revenue growth Net revenue growth Q4 19 YTD 7.5% 6.4% 7.2% 12.8% International Ave Pedestrian Realm Calgary, Alberta 29% of Consolidated Net Revenue C ■ Private Net revenue by sector ■Bridges ■ Transit & Rail ■Community Development ■ Roadways ■ Public Net revenue by geography ■ Global ■ Canada ■ United States

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