MONTREAL, QUEBEC--(Marketwired - Sep 1, 2017) - WSP Global Inc. (TSX:WSP) ("WSP" or the "Corporation") is pleased to announce that it has acquired Leggette, Brashears and Graham, Inc. ("LBG"), a 150-employee groundwater and environmental engineering services firm based in the United States. LBG brings seven decades of wide-ranging expertise in hydrogeology, groundwater and surface water modeling, dewatering and depressurization, environmental investigation and remediation.

The LBG acquisition, which was financed using WSP's available cash and credit facilities, is aligned with WSP's 2015-2018 Strategic Plan. It will bolster WSP's Water and Environment practice by increasing its groundwater geology capabilities, strengthening its environmental services expertise and expanding its national footprint.

"The addition of LBG to the WSP team, along with the 2016 acquisition of Schlumberger Water Services, further strengthens our market share in the water and environment sectors, while expanding our engineering and consulting services to private, municipal and federal clients," noted Gregory A. Kelly, President and Chief Executive Officer of WSP in the United States and Latin America.

David Terry, LBG's President affirms, "LBG is very pleased to be joining WSP and looks forward to strengthening our service offerings and culture to continue to provide the highest levels of service to our clients. WSP's reputation speaks for itself and its focus on people and technical excellence makes the company a perfect fit for our employees."

Following the LBG acquisition, WSP's water and environment business line in the United States now comprises more than 600 employees based in 40 locations across the country, delivering water and environmental planning, design and consulting services to domestic and multinational clients in both the private and public sectors. The firm's environmental services include site investigation and remediation, environmental compliance, acoustics, vibration and air quality, health and safety, sustainability, climate resiliency, and greenhouse gas management.

ABOUT LBG

Founded in 1944, Leggette, Brashears & Graham, Inc. is headquartered in Shelton, CT. It has 17 regional offices throughout the country and it was the first consulting firm in the United States to specialize in groundwater geology. For over half a century, LBG has been a recognized leader in the development and management of groundwater resources as well as environmental and remedial engineering. Its experts have worked closely with public water suppliers and authorities, private industrial and commercial companies, and government agencies to locate and develop groundwater, to investigate and remediate soil and groundwater problems, and to address a wide range of water-related issues.

ABOUT WSP

As one of the world's leading professional services firms, WSP provides technical expertise and strategic advice to clients in the Property & Buildings, Transportation & Infrastructure, Environment, Industry, Resources (including Mining and Oil & Gas) and Power & Energy sectors. We also offer highly specialized services in project delivery and strategic consulting. Our experts include engineers, advisors, technicians, scientists, architects, planners, surveyors and environmental specialists, as well as other design, program and construction management professionals. With approximately 37,000 talented people in more than 500 offices across 40 countries, we are uniquely positioned to deliver successful and sustainable projects, wherever our clients need us. www.wsp.com

FORWARD-LOOKING STATEMENTS

Certain information regarding WSP contained herein may constitute forward-looking statements. Forward-looking statements may include estimates, plans, expectations, opinions, forecasts, projections, guidance or other statements that are not statements of fact. Although WSP believes that the expectations reflected in such forward-looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. These statements are subject to certain risks and uncertainties and may be based on assumptions that could cause actual results to differ materially from those anticipated or implied in the forward-looking statements. WSP's forward-looking statements are expressly qualified in their entirety by this cautionary statement. The complete version of the cautionary note regarding forward-looking statements as well as a description of the relevant assumptions and risk factors likely to affect WSP's actual or projected results are included in the Management's Discussion and Analysis for the year ended December 31, 2016, which is available on SEDAR at www.sedar.com. The forward-looking statements contained in this press release are made as of the date hereof and WSP does not assume any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise unless expressly required by applicable securities laws.