WSP Global Investor Presentation — February 2020

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February 27th, 2020CAUTIONARY STATEMENT

— Certain information regarding WSP contained herein may constitute forward -looking statements .Forward -looking

statements may include estimates, plans, expectations, opinions, forecasts, projections, guidance orother statements that are

not statements offact.Although WSP believes that the expectations reflected insuch forward -looking statements are

reasonable, itcan give noassurance that such expectations will prove tohave been correct .

— These statements aresubject tocertain risks and uncertainties and may bebased onassumptions that could cause actual

results todiffer materially from those anticipated orimplied inthe forward -looking statements .WSP's forward -looking

statements areexpressly qualified intheir entirety bythis cautionary statement .The complete version ofthe cautionary note

regarding forward -looking statements aswell asadescription ofthe relevant assumptions and risk factors likely toaffect

WSP's actual orprojected results areincluded intheManagement’s Discussion and Analysis fortheyear ended December 31,

2019 ,which isavailable onSEDAR atwww .sedar .com .The forward -looking statements contained inthis presentation are

made asofthe date hereof and WSP does not assume any obligation toupdate orrevise any forward -looking statements,

whether asaresult ofnew information, future events orotherwise unless expressly required byapplicable securities laws .

— The Corporation reports itsfinancial results inaccordance with IFRS .However, inthis presentation, the following non-IFRS

measures are used bythe Corporation :net revenues ;adjusted EBITDA ;adjusted EBITDA margin ;adjusted net earnings ;

adjusted net earnings per share ;backlog ;free cash flow ;days sales outstanding (“DSO”) ;and net debt toadjusted EBITDA