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Aecon partnership executes agreement to deliver the Arctic Over-the-Horizon Radar Program Stage 1 project in Ontario

MWN-AI** Summary

On March 4, 2026, Aecon Group Inc. (TSX: ARE) announced a significant partnership with Pomerleau and Stantec, having executed an agreement with Defence Construction Canada to undertake the Arctic Over-the-Horizon Radar Program Stage 1 in Ontario. This project is a crucial component of Canada's NORAD modernization initiative aimed at enhancing national security through the renewal of the North Warning System. The radar system will provide long-range surveillance of northern approaches to major North American population centres.

The project will utilize an Integrated Project Delivery (IPD) model, with Aecon and Pomerleau forming a 50/50 joint venture to ensure effective project execution. The validation phase is set to commence in the first quarter of 2026, followed by a design development phase that will lead to construction. Jean-Louis Servranckx, President and CEO of Aecon, emphasized the company's capability to handle complex, nationally significant projects, highlighting Aecon’s readiness to contribute to this vital defense infrastructure initiative.

Aecon Group Inc. is a prominent North American construction and infrastructure development firm, known for its extensive experience across various sectors including Civil, Urban Transportation, Nuclear, Utility, and Industrial. In addition to construction, the company provides project development, financing, and management services.

The announcement includes cautionary remarks regarding forward-looking statements, acknowledging inherent risks and uncertainties, such as potential challenges in meeting project timelines or unforeseen economic conditions. Aecon remains poised to navigate these challenges while undertaking this critical project, reflecting its commitment to enhancing Canada's national defense capabilities. Further project details can be found on the MERX website, underscoring transparency and accountability in this significant endeavor.

MWN-AI** Analysis

Aecon Group Inc. (TSX: ARE) has recently strengthened its competitive position by securing a significant partnership aimed at delivering the Arctic Over-the-Horizon Radar Program Stage 1. This initiative, developed in collaboration with Pomerleau and Stantec, aligns with Canada's broader NORAD modernization efforts, establishing a crucial defense infrastructure project.

Investors should view this partnership as a favorable development for Aecon. The project not only emphasizes Aecon's capacity to handle complex and significant projects but also its robust relationship with the Canadian government, enhancing its portfolio in the defense sector. Given the growing importance of national security and defense funding, this venture positions Aecon strategically within a high-demand sector, likely leading to potential revenue growth over the project's lifespan.

However, while the outlook is promising, it is essential to consider the risks associated with large-scale projects. Factors such as contractor performance, labor availability, supply chain disruptions, and timeline adherence may impact the project's financial viability and Aecon's operational efficiency. These uncertainties were acknowledged by the company's leadership, highlighting the larger economic environment's influence on project execution.

In terms of stock performance, investors should monitor key indicators such as project milestones, government budgets allocated for defense projects, and quarterly performance results. Aecon's proactive communication and transparent reporting will be crucial in navigating investor sentiment in the face of potential challenges.

In summary, while Aecon’s engagement in the Arctic Over-the-Horizon Radar Program represents a pivotal growth opportunity, prudent investors should remain mindful of the inherent risks. A close watch on project developments, coupled with an assessment of broader economic conditions, will be essential for maintaining a balanced investment strategy in Aecon's unfolding narrative.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: GlobeNewswire

TORONTO, March 04, 2026 (GLOBE NEWSWIRE) -- Aecon Group Inc. (TSX: ARE) (“Aecon”) announced today that a partnership between Aecon, Pomerleau and Stantec has executed an agreement with Defence Construction Canada to deliver the Arctic Over-the-Horizon Radar Program Stage 1 project in Ontario.

Under a collaborative Integrated Project Delivery (“IPD”) model, Defence Construction Canada serves as the project owner and an Aecon-led 50/50 joint venture between Aecon and Pomerleau is responsible for project delivery. A validation phase will commence in the first quarter of 2026. Upon validation and the completion of a design development phase, construction is expected to commence.

Implemented by Canada’s Department of National Defence, the Arctic Over-the-Horizon Radar Program is part of a key NORAD modernization initiative that will advance the renewal of Canada’s North Warning System. The program will establish a northward-aimed radar system with long-range surveillance of the northern approaches to major population centres in North America.

“Aecon is purpose-built to deliver complex projects with national importance. The Arctic Over-the-Horizon Radar Program is a critical undertaking and Aecon is primed to play a central role in delivering this essential defence infrastructure project alongside Defence Construction Canada and our partners,” said Jean-Louis Servranckx, President and Chief Executive Officer, Aecon Group Inc.

Further project information is available on the MERX website.

About Aecon

Aecon Group Inc. (TSX: ARE) is a North American construction and infrastructure development company with global experience. Aecon delivers integrated solutions to private and public-sector clients through its Construction segment in the Civil, Urban Transportation, Nuclear, Utility and Industrial sectors, and provides project development, financing, investment, management, and operations and maintenance services through its Concessions segment. Join our online community on X, LinkedIn, Facebook, and Instagram @AeconGroupInc.

For further information:

Adam Borgatti
SVP, Corporate Development and Investor Relations
416-297-2600
ir@aecon.com

Nicole Court
Vice President, Corporate Affairs & Communications
416-297-2600
corpaffairs@aecon.com

Statement on Forward-Looking Information

The information in this press release includes certain forward-looking statements which may constitute forward-looking information under applicable securities laws. These forward-looking statements are based on currently available competitive, financial and economic data and operating plans but are subject to risks and uncertainties. Forward-looking statements may include, without limitation, statements regarding the operations, business, financial condition, expected financial results, performance, prospects, ongoing objectives, strategies and outlook for Aecon, including statements regarding the various phases of the project and expectations regarding project timelines, and the anticipated clearance of regulatory inspections. Forward-looking statements may in some cases be identified by words such as "may," "will," "expects," "target," "future," "plans," "believes," "anticipates," "estimates," "projects," "intends," "should" or the negative of these terms, or similar expressions.

In addition to events beyond Aecon's control, there are factors which could cause actual or future results, performance or achievements to differ materially from those expressed or inferred herein including, but not limited to, the risk of not being able to meet contractual schedules and other performance requirements, the risks associated with a third party’s failure to perform; the risk of not being able to meet its labour needs at reasonable costs; the risk of not being able to address any supply chain issues which may arise; the risk of the anticipated benefits from the project not being fully realized; and the risk of not being able to validate and complete the design development phase as anticipated. These forward-looking statements are based on a variety of factors and assumptions including but not limited to that: none of the risks identified above materialize, there are no unforeseen changes to economic and market conditions, and no significant events occur outside the ordinary course of business. These assumptions are based on information currently available to Aecon, including information obtained from third-party sources. While Aecon believes that such third-party sources are reliable sources of information, Aecon has not independently verified the information. Aecon has not ascertained the validity or accuracy of the underlying economic assumptions contained in such information from third-party sources and hereby disclaims any responsibility or liability whatsoever in respect of any information obtained from third-party sources.

Risk factors are discussed in greater detail in Section 13 - "Risk Factors" in Aecon’s 2024 Management’s Discussion and Analysis for the fiscal year ended December 31, 2024 and Aecon’s Management’s Discussion and Analysis for the fiscal quarter ended September 30, 2025, each filed on SEDAR+ (www.sedarplus.ca). Except as required by applicable securities laws, forward-looking statements speak only as of the date on which they are made and Aecon undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.


FAQ**

How does the Arctic Over-the-Horizon Radar Program Stage 1 impact the future financial performance of Aecon Group Inc. AEGXF, considering the potential risks outlined in their forward-looking statements?

The Arctic Over-the-Horizon Radar Program Stage 1 could boost Aecon Group Inc.'s financial performance through increased contracts and revenue, though potential risks highlighted in their forward-looking statements could temper investor confidence and impact stock value.

What role do Aecon Group Inc. AEGXF's partnerships with Pomerleau and Stantec play in mitigating risks associated with the Arctic Over-the-Horizon Radar Program project delivery?

Aecon Group Inc.'s partnerships with Pomerleau and Stantec enhance risk mitigation for the Arctic Over-the-Horizon Radar Program by leveraging combined expertise, resources, and local knowledge, ensuring compliance with regulatory demands and efficient project execution in challenging environments.

In what ways will the successful execution of the Arctic Over-the-Horizon Radar Program Stage 1 enhance Aecon Group Inc. AEGXF's position in the defense infrastructure market?

The successful execution of the Arctic Over-the-Horizon Radar Program Stage 1 will enhance Aecon Group Inc.'s position in the defense infrastructure market by showcasing its capabilities in cutting-edge technology, increasing its competitive edge, and potentially attracting more government contracts.

How might changes in economic conditions affect the timelines and outcomes of the Arctic Over-the-Horizon Radar Program for Aecon Group Inc. AEGXF as mentioned in their forward-looking statements?

Changes in economic conditions could impact funding availability, project timelines, and operational costs, potentially leading to delays or adjustments in the outcomes of the Arctic Over-the-Horizon Radar Program for Aecon Group Inc. as outlined in their forward-looking statements.

**MWN-AI FAQ is based on asking OpenAI questions about Aecon Group Inc. (OTC: AEGXF).

Aecon Group Inc.

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