1 Total of segments measure. Refer to section 8.1, "Net revenues" of WSP’s Management's Discussion and Analysis for the quarter and year ended December 31, 2023 ("MD&A") for a reconciliation to revenues.
2 Non-IFRS financial measure or non-IFRS ratio without a standardized definition under IFRS, which may not be comparable to similar measures or ratios used by other issuers. Refer to section 22, "Glossary of segment reporting, non-IFRS and other financial measures", of WSP’s MD&A for the quarter and year ended December 31, 2023 for explanations of the composition and usefulness of this non-IFRS financial measure and non-IFRS ratio. Quantitative reconciliations of the non-IFRS financial measure to the most directly comparable IFRS measure are incorporated by reference to sections 8.3, "Adjusted EBITDA" of WSP’s MD&A. Adjusted EBITDA margin is defined as adjusted EBITDA expressed as a percentage of net revenues.
3 Supplemental financial measure. Backlog represents future revenues stemming from existing signed contracts to be completed. Days Sales Outstanding (DSO) represents the average number of days to convert the Corporation's trade receivables (net of sales taxes) and costs and anticipated profits in excess of billings into cash, net of billings in excess of costs and anticipated profits.
