Forward-looking statements

Certain information regarding WSP contained herein are not based on historical facts and may constitute forward-looking statements or forward-looking information under Canadian securities laws (collectively, “forward-looking statements”). Forward-looking statements may include estimates, plans, strategic ambitions, objectives, expectations, opinions, forecasts, projections, guidance, outlook or other statements that are not statements of fact. Forward-looking statements can typically be identified by terminology such as “may”, “will”, “should”, “expect”, “plan”, “anticipate”, “believe”, “estimate”, “predict”, “forecast”, “project”, “intend”, “target”, “potential”, “continue” or the negative of these terms or terminology of a similar nature. Forward-looking statements in this 2025-2027 Global Strategic Action Plan include, without limitation, statements about the 2025-2027 Global Strategic Action Plan, the proposed four strategic focus areas (including the 2025-2027 financial targets), the long-term aspirations of the Corporation, anticipated levels of organic and acquisition growth, our intention to strategically expand our presence in select high-growth markets and to capitalize on emerging opportunities and drive sustainable growth, our expectation that advanced technologies will play a central role in our activities, our plans to establish digital alliances and enhance our capabilities and boost efficiency through automation, and our aim to leverage our global scale, culture of innovation, and unified approach to optimize our operations further and elevate our client-centric experience.

These forward-looking statements are based on a number of assumptions believed by the Corporation to be reasonable at the date of publication of this webpage, including but not limited to: the absence of significant adverse changes to the competition, political environment and economic performance of each region where the Corporation operates; the accuracy of management’s estimates and judgments regarding the duration, scope and impacts of new or continuing global health, geopolitical or military events, on the economy and financial markets, and on the Corporation’s business, operations, revenues, liquidity, financial condition, margins, cash flows, prospects and results in future periods; the accuracy of management’s assessment of anticipated growth drivers and global megatrends; the Corporation’s ability to access global and local capital and credit markets on acceptable terms, as needed or opportunistically; the stability of interest rates at or near current levels; working capital requirements; the collection of accounts receivable; the Corporation’s ability to anticipate and respond to client and market needs, enhance and leverage capabilities and optimize offering and client experiences to drive market demand, secure new contract awards and drive growth in key markets, geographies and services; the type of contracts entered into by the Corporation; the anticipated margins under new contract awards; the realization of leading growth and performance through operational efficiencies and initiatives leveraging the Corporation’s platform, scale and digital capabilities, with a focus on integration and automation on a global scale; utilization of the Corporation’s workforce; the ability of the Corporation to attract and maintain new clients; anticipated level of activities from current or new clients; absence of significant changes in contract performance and consistent project delivery within projected timeframes and budget; the Corporation’s ability to seize growth opportunities and expand in select high-growth areas and markets by pioneering new and innovative solutions, expanding its reach across the project lifecycle and elevating digital offering to the forefront of project delivery; continued competitive intensity from the Corporation’s competitors consistent with levels currently experienced; the Corporation’s ability to successfully identify and complete the accretive acquisition and integration of businesses in the future; the Corporation’s ability to retain and attract new business, achieve synergies and other benefits and maintain market positions arising from successful integration plans relating to acquisitions; the Corporation’s ability to otherwise successfully integrate acquisitions within anticipated time periods and at expected cost levels; the Corporation’s ability to manage growth; the normal execution and delivery of the Corporation’s current and future backlog without significant adjustment; the Corporation’s ability to seize opportunities and foster collaboration and partnerships through joint arrangements into which the Corporation has or may enter; capital investments made by the public and private sectors; maintenance of satisfactory relationships with suppliers and subconsultants; the Corporation’s ability to recruit and retain highly skilled resources; maintenance of satisfactory relationships with management, key professionals and other employees of the Corporation; the maintenance of sufficient insurance; the management of environmental, social and health and safety risks; the sufficiency of the Corporation’s current and planned information systems, communications technology and other technology; compliance with laws and regulations; the Corporation’s ability to successfully defend itself against ongoing and future legal proceedings; the sufficiency of internal and disclosure controls; no significant changes to the regulatory environment; foreign currency fluctuation; no significant changes to the tax legislation and regulations to which the Corporation is subject and no significant decline in the state of the Corporation’s benefit plans.

The 2025-2027 financial targets are based on the following assumptions: (I) revenues and profits projected in the Corporation’s current backlog in its various reportable segments will be realized without any significant adjustment, with the remaining projected growth to be generated by executing our growth strategy through organic growth and mergers and acquisitions activities consistent with past practice; (ii) there will be no significant adverse changes to the competition, political and regulatory environment affecting the Corporation’s business and economic conditions of each region where it operates, the state of general market conditions and access to global and local capital and credit markets remaining substantially stable (iii) the effective tax rate in 2025, 2026 and 2027 will fall between 25% and 29%; forecasts were prepared using tax rates enacted as of December 31, 2024, in the countries in which the Corporation currently operates.

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. These risks and uncertainties include, but are not limited to, the risks discussed in the “Risk Factors” section of WSP’s Management’s and Discussion Analysis for the fourth quarter and year ended December 31, 2023, and WSP’s Management’s Discussion and Analysis for the third quarter and nine-month period ended September 28, 2024 and filed on SEDAR+ at www.sedarplus.ca, as well as other risks detailed from time to time in reports filed by the Corporation with securities regulators or securities commissions or other documents that the Corporation makes public, which may cause events or results to differ materially from the results expressed or implied in any forward-looking statement.

The forward-looking information contained herein is expressly qualified in its entirety by this cautionary statement. The forward- looking information contained herein is made as of the date hereof, and the Corporation undertakes no obligation to publicly update such forward-looking information to reflect new information, subsequent or otherwise, unless required by applicable securities laws.