Capital Markets Overview

Adjusted EBITDA Contribution by Segment @+ Adjusted EBITDA ($ Millions)Ⓡ Q3 2021 Q3 2020 % CHANGE Adjusted EBITDA Margin %* * + Q3 2021 Q3 2020 BPS CHANGE Construction 82.1 131.3 37% Construction 7.2% 12.7% 550 Concessions 21.8 8.0 173% Concessions 100.5% 88.9% nmf# TOTAL^ 95.5 137.2 30% TOTAL^ 8.2% 13.2% 500 Q3 2021 TTM Q3 2020 TTM % CHANGE Construction 241.3 236.1 Concessions 62.5 46.9 33% 2% Construction Q3 2021 TTM Q3 2020 TTM BPS CHANGE 6.2% 6.8% 60 Concessions 60.4% 56.4% 400 TOTAL^ 261.3 242.4 8% TOTAL^ 6.6% 7.0% 40 ACCON ^ After corporate costs and eliminations #Not Meaningful + Results in Q3 2020 included net benefit from the Canada Emergency Wage Subsidy ("CEWS") program of $69 million This is a non-GAAP financial measure. Refer to Section 4 "Non-GAAP And Supplementary Financial Measures" in the Company's Q3 2021 MD&A. * This is a non-GAAP financial ratio. Refer to Section 4 "Non-GAAP And Supplementary Financial Measures" in the Company's Q3 2021 MD&A. 19

View entire presentation