AtkinsRéalis Completes Acquisition of Australia-based Engineering Consultancy WGA

MONTREAL, Sept. 14, 2026 /CNW/ -- AtkinsRéalis Group Inc. (TSX: ATRL), a world-class engineering services and nuclear company with offices around the world, has completed its previously announced acquisition of Wallbridge Gilbert Aztec (WGA), a leading Australian and New Zealand engineering and project management consultancy firm.

"The completion of this acquisition marks an important milestone in our growth across Australia and New Zealand," said Ian L. Edwards, President and Chief Executive Officer, AtkinsRéalis. "WGA's strong regional presence, proven delivery record and talented professionals complement our existing capabilities and strengthen our ability to partner with clients on some of the region's most significant infrastructure programs. We are pleased to welcome the WGA team to AtkinsRéalis and look forward to the opportunities we will create together."

The addition of WGA's approximately 800 professionals expands AtkinsRéalis' presence across the Australian and New Zealand markets and enhances its ability to support clients throughout the full lifecycle of major infrastructure and development programs in defence-related infrastructure, water, power and renewables, ports and marine, transportation, resources and industrial sectors.

"Joining AtkinsRéalis opens an exciting new chapter for WGA, our people and our clients," said Ben Stapleton, Joint Managing Director of WGA. "Together, we bring local insight, trusted relationships and expanded global expertise that strengthen our ability to deliver complex infrastructure programs across the region. This creates new opportunities for our teams to contribute to nationally significant projects while maintaining the practical, client-focused approach that has defined WGA for more than four decades."

About AtkinsRéalis

Created by the integration of long-standing organizations dating back to 1911, AtkinsRéalis is a world-class engineering services and nuclear company dedicated to engineering a better future for our planet and its people. We create sustainable solutions that connect people, data and technology to transform the world's infrastructure and energy systems. We deploy global capabilities locally to our clients and deliver unique end-to-end services across the whole life cycle of an asset including consulting, advisory & environmental services, intelligent networks & cybersecurity, design & engineering, procurement, project & construction management, operations & maintenance, decommissioning and capital advisory services. The breadth and depth of our capabilities are delivered to clients in strategic sectors such as Engineering Services and Nuclear, as the steward of CANDU® nuclear technology. News and information are available at www.atkinsrealis.com or follow us on LinkedIn.

About WGA

Wallbridge Gilbert Aztec (WGA) is a multi‑disciplinary engineering and project management consultancy with more than 40 years of experience delivering complex infrastructure across Australia and New Zealand. Employee‑owned and regionally embedded, WGA employs over 800 people operating from offices across South Australia, Western Australia, Victoria, Queensland, New South Wales, the Northern Territory and New Zealand.

WGA supports clients across the full project lifecycle through engineering, project management and advisory services, with established capability in transport, water, power and renewables, ports and marine, defence‑related infrastructure, buildings, resources and industrial, urban development and sport and recreation sectors. Known for strong local leadership, long‑term client relationships and practical, buildable solutions, WGA operates with a delivery model aligned to how and where infrastructure is delivered. Learn more at wga.com.au.

 Forward-Looking Statements

References in this press release to the "Company", "AtkinsRéalis", "we", "us" and "our" mean, as the context may require, AtkinsRéalis Group Inc. or all or some of its subsidiaries or joint arrangements or associates. Statements made in this press release that describe the Company's expectations or strategies constitute "forward-looking statements", which can be identified by the use of the conditional or forward-looking terminology such as "aims", "anticipates", "assumes", "believes", "cost savings", "estimates", "expects", "forecasts", "goal", "intends", "likely", "may", "objective", "outlook", "plans", "projects", "should", "synergies", "target", "vision", "will" , or other variations thereon. Forward-looking statements also include any other statements that do not refer to historical facts. The Company cautions that, by their nature, forward-looking statements involve risks and uncertainties, and that its actual actions or results could differ materially from those expressed or implied in such forward-looking statements. Forward-looking statements are presented for the purpose of assisting investors and others in understanding certain key elements of the Company's current objectives, strategic priorities, expectations and plans, and in obtaining a better understanding of the Company's business and anticipated operating environment. Readers are cautioned that such information may not be appropriate for other purposes. Forward-looking statements made in this press release are based on a number of assumptions believed by the Company to be reasonable as at the date hereof. The assumptions are set out throughout the Company's 2025 annual management disclosure & analysis ("2025 MD&A") (particularly in the sections entitled "Critical Accounting Judgments and Key Sources of Estimation Uncertainty" and "How We Analyze and Report our Results") filed with the securities regulatory authorities in Canada, available on SEDAR+ at www.sedarplus.com and on the Company's website at www.atkinsrealis.com under the "Investors" section. If these assumptions are inaccurate, the Company's actual results could differ materially from those expressed or implied in such forward-looking statements. In addition, important risk factors could cause the Company's assumptions and estimates to be inaccurate and actual results or events to differ materially from those expressed in or implied by these forward-looking statements. Those risks are identified in the 2025 MD&A (particularly in the section entitled "Risk and Uncertainties"), as may be updated from time to time in the Company's interim quarterly MD&A, are not exhaustive. The forward-looking statements herein reflect the Company's expectations as at the date of this press release and are subject to change after this date. The Company does not undertake to update publicly or to revise any such forward-looking statements whether as a result of new information, future events or otherwise, unless required by applicable legislation or regulation. The forward-looking information and statements contained herein are expressly qualified in their entirety by this cautionary statement.

SOURCE AtkinsRéalis

For More Information: Media, Antoine Calendrier, Vice President, Global External Communications, [email protected]; Investors, Denis Jasmin, Vice President, Investor Relations, 514-393-8000 ext. 57553, [email protected]