Q4 and fiscal 2017 results March 15, 2018

Q4 and F2017 Results Key Highlights Very strong Q4 results with all regions posting organic growth in net revenues and consolidated record high backlog. Met or exceeded all 2017 outlook metrics. Optimistic about 2018 and confident we will deliver on our 2015-2018 strategic plan 2

Q4 2017 and F17 Performance

Q4 2017 Net revenues were $1.5 billion, up 11.4% year over year. Q4 and F2017 Results Q4 2017 Net revenues were $1.5 billion, up 11.4% year over year. Organic growth in net revenues amounted to 8.1%. Adjusted EBITDA was $140 million with adjusted EBITDA margin of 9.5%. Backlog reached its highest level ever at $6.4 billion, representing approximately 10.1 months of revenues. 4

10 Acquisitions added over 5,000 employees Q4 and F2017 Results 10 Acquisitions added over 5,000 employees Finland 40 employees ISS Proko Oy Finland 135 employees Sweden 27 employees United States 10 employees United States 25 employees 5 Switzerland 25 employees United States 150 employees (Latin America 1,000 employees New Zealand 3,000 employees Latin America 730 employees Financed using balance-sheet

Canada Fiscal 2017 2.1% organic growth in net revenues Q4 and F2017 Results Canada Fiscal 2017 2.1% organic growth in net revenues 12.3% adjusted EBITDA margin before global corporate costs Backlog increased organically 10.9% compared to same period in 2016. Significant project wins Rehabilitation of Canada's Parliament Hill's Centre Block 4Transit joint-venture Metrolinx contract for Regional Express Rail Program (Toronto) 6

Q4 and F2017 Results Americas Fiscal 2017 10.4% organic growth in net revenues (positive impact of FEMA-related revenues) 13.3% adjusted EBITDA margin before global corporate costs Significant project wins Giant Magellan Telescope in Chile 7

EMEIA Fiscal 2017 4.6% organic growth in net revenues Q4 and F2017 Results EMEIA Fiscal 2017 4.6% organic growth in net revenues 12% organic growth in net revenues in the Nordics 4% organic growth in net revenues in the UK 9.9% adjusted EBITDA margin before global corporate costs Significant project wins Leader for the development of two of the four new stations as part of the High Speed 2 rail network 8

Q4 and F2017 Results APAC Fiscal 2017 7.1% organic growth in net revenues Recent acquisition of Opus is expected to generate cost synergies which should positively impact the performance of the region in 2018 9

Financial Performance Q4 and F2017 Financial Performance

Revenues* and Net Revenues* Q4 and F2017 Results Revenues* and Net Revenues* Revenues* Net Revenues* +8.8% +9.4% +8.7% +11.4% 8.1% organic growth in net revenues * Non-IFRS measure

Adjusted EBITDA* and Adjusted EBITDA margin* Q4 and F2017 Results Adjusted EBITDA* and Adjusted EBITDA margin* +11.3% +3.5% 10.4% adjusted EBITDA margin 9.5% adjusted EBITDA margin * Non-IFRS measure

Adjusted net earnings* and adjusted net earnings per share* Q4 and F2017 Results Adjusted net earnings* and adjusted net earnings per share* Adjusted Net Earnings* Adjusted Net Earnings per share* +4.6% +2.7% (42.7%) (44.1%) Negatively impacted by multiple non-cash expenses such as US Tax Cuts and Jobs Act and 4 less billable days Negatively impacted by multiple non-cash expenses such as US Tax Cuts and Jobs Act * Non-IFRS measure

Free Cash Flow: Long-term progression through seasonality Q4 and F2017 Results Free Cash Flow: Long-term progression through seasonality $296.1M or 138.8% of net earnings

Financial position and net debt/TTM adjusted EBITDA* ratio Q4 and F2017 Results Financial position and net debt/TTM adjusted EBITDA* ratio (in $M, CAD) Q4 2017 Financial liabilities $1,229.9 Less: Cash ($185.1) Net debt $1,044.8 TTM adjusted EBITDA* $555.2 Net debt / TTM adjusted EBITDA* (adjusted for 12-month net revenues for all acquisitions) 1.8x 15 Adequate flexibility to pursue our acquisition growth strategy * In millions CAD – Non-IFRS measures

Q4 and F2017 Results Stable DSO* Non-IFRS measures

2018 Outlook

2018 Outlook Net revenues* Between $5,700 million and $5,900 million Q4 and F2017 Results 2018 Outlook Net revenues* Between $5,700 million and $5,900 million Adjusted EBITDA* Between $610 million and $660 million Seasonality and adjusted EBITDA* fluctuations Q1: 18% to 21% Q2: 25% to 28% Q3: 26% to 29% Q4: 24% to 27% Tax rate 23% to 25% DSO* 80 to 85 days Amortization of intangible assets related to acquisitions Between $60 and $70 million Capital expenditures Between $115 and $125 million Net debt to adjusted EBITDA* 1.5x to 2.0x Acquisition and reorganization costs* Between $40 million and $50 million 1) 18 * Non-IFRS measure. 1) Due mainly to personnel and real estate integration costs related to the acquisition of Opus completed in Q4 2017, and to real estate integration costs pertaining to the Mouchel acquisition completed in Q4 2016

2018 Regional operational outlook Q4 and F2017 Results 2018 Regional operational outlook NORDICS Significant increase in headcount should translate into higher utilization rates CANADA Solid backlog and good prospects UK Large public sector work Continuing concerns over Brexit ASIA Continued slowdown in buildings market AMERICAS Strong US Transportation and Infrastructure spending Integration of POCH and ConCol expected to deliver synergies and improvement in operating margins MIDDLE EAST Difficult economic conditions SOUTH AFRICA Difficult economic conditions AUSTRALIA Transportation is the fastest growing segment of all our businesses worldwide