Q4 and Year-End 2016 Earnings Conference CallThursday, February 23, 2017

Cautionary Statement

Our public communications will contain non-IFRS measures and written or verbal forward-looking statements, includinga discussion of our goals and ourgrowth strategies.

We caution readers not to placeundue reliance on our forward-looking statements since a number of factors could cause actual future results to differ materially from the targets and expectations expressed.

For a discussion of risk factors and non-IFRS measures, see our 2016 Annual Report, which is available on SEDAR, EDGAR,and stantec.com.

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AGENDA

Bob Gomes2016 Highlights

Dan LefaivreSummary of Financial Results2017 Targets

Bob GomesOperational Highlights2017 Outlook

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2016 HIGHLIGHTS

49.5%Gross revenue increase

in 2016 vs. 2015

15.5%Increase in

adjusted EBITDA

$604MCommon share offering

5Acquisitions in 2016

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We Are Better Together• MWH and Stantec

shared history in water

• Water is a BOU as of January 1, 2017

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Q4 16 Q4 15 Q4 16 vs. Q4 15

Gross revenue $1,240.8 $710.4 74.7%

Net revenue $820.2 $567.4 44.6%

Gross margin* 54.5% 54.1% 0.7%

EBITDA** $82.9 $54.6 51.8%

Adjusted EBITDA** $83.8 $59.3 41.3%

Net income $29.4 $25.3 16.2%

Diluted EPS $0.26 $0.27 (3.7%)

Adjusted EPS (diluted)** $0.35 $0.34 2.9%

Q4 16 FINANCIAL RESULTS

In millions of Canadian dollars except for share amounts and percentages

*As a % of net revenue** Non-IFRS measure defined in 2016 Management’s Discussion and Analysis

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In millions of Canadian dollars except for share amounts and percentages

*As a % of net revenue** Non-IFRS measure defined in 2016 Management’s Discussion and Analysis

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2016 2015 2016 vs. 2015

Gross revenue $4,300.1 $2,877.2 49.5%

Net revenue $3,098.4 $2,373.7 30.5%

Gross margin* 54.1% 54.5% (0.7%)

EBITDA** $336.3 $306.3 9.8%

Adjusted EBITDA** $352.3 $305.1 15.5%

Net income $130.5 $156.4 (16.6%)

Diluted EPS $1.22 $1.65 (26.1%)

Adjusted EPS (diluted)** $1.69 $1.84 (8.2%)

Cash dividendsdeclared per common share

$0.45 $0.42 7.1%

Net debt/EBITDA** 2.38 0.94 -

2016 FINANCIAL RESULTS

EBITDA* Adjusted* EBITDA

Net income

Diluted EPS

Adjusted* diluted

EPS

Gross margin

Admin and marketing(professional fees, retention and merit, severance)

Amortization of intangible assets Amortization of purchased software Net interest expense Effective income tax Increased shares outstanding

2016 FINANCIAL IMPACTS

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* Non-IFRS measure defined in 2016 Management’s Discussion and Analysis

Measure 2017 Target RangeGross margin as a % of net revenue Between 53% and 55%

Administrative and marketing expensesas a % of net revenue Between 41% and 43%

EBITDA* as a % of net revenue Between 11% and 13%

Net income as a % of net revenue At or above 5%

2017 TARGETS

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Additional Measures 2017 TargetCapital expenditures $75 million

Software additions $15 million

Amortization of intangible assets $85 million

* Non-IFRS measure defined in 2016 Management’s Discussion and Analysis

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BURY300 Employees

March 2016

MWH6,800 Employees

May 2016

VOA280 Employees

May 2016

EDWARDS & ZUCK120 Employees

September 2016

Arch|TB 60 Employees

December 2016

Integration of North American consulting

staff on track forQ2 2017

North American branding transition

expected inlate 2017

Combined insurance, health plans,

and IT systems

Continuing to review Global integration

MWH INTEGRATION

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• Gross revenue growth of 6.9% in 2016 compared to 2015• Organic gross revenue retracted 2.6% year over year• Key project wins in Canada and United States

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*Percent of 2016 consulting services gross revenue

BUILDINGS

• Gross revenue decreased 0.4% in 2016 compared to 2015• Oil & Gas engineering services represent smaller portion of overall business• Continue to secure projects in Power

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ENERGY & RESOURCES

*Percent of 2016 consulting services gross revenue

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• Gross revenue increased 12.4% in 2016 compared to 2015• Organic gross revenue retracted 8.7% year over year and stabilized

Q4 16 vs. Q4 15• Oil & Gas environmental services continue to represent smaller portion of

overall business

ENVIRONMENTAL SERVICES

*Percent of 2016 consulting services gross revenue

• Gross revenue increased 58.8% in 2016 compared to 2015• Organic gross revenue grew 3.7% year over year• Strong organic growth in Transportation sector• Stable organic revenue in Water sector

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INFRASTRUCTURE

*Percent of 2016 consulting services gross revenue

• Gross revenue $645.2 million since May 6, 2016• Strong activity in US wastewater treatment construction• AMP driving revenue in the UK

CONSTRUCTION SERVICES

Gross Revenue Breakdownby Geography

Gross Revenue Breakdown by Client Type

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Water Business Operating Unit(Effective January 1, 2017)*

• Client Enterprise Systems• Conveyance• Urban Stormwater & Wet Weather Flow• Waste Management• Water Resources Planning & Management• Water Treatment• Wastewater Treatment

*Restated for 2016 to include 5 business operating units

WE CONTINUE TO EVOLVE

Overall Canada US Global

Long-term target of15% grossrevenue CAGR

Continued acquisition strategy

Strong backlog and client relationships

Federal infrastructure spending

Transit,water and wastewater

Continued weakness in mining andoil and gas

Residential construction

Expanding economy

Infrastructure spending

Water and wastewater

Transportation

United Kingdom

New Zealandand Australia

Europe

Latin America

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2017 OUTLOOK

Q&A

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