Earnings release
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AtkinsRéalis FOR IMMEDIATE RELEASE AtkinsRéalis Reports Second Quarter 2026 Results • Revenue of $ 3.0 billion , up 10 % , and Segment Adjusted EBIT up 10 % , over Q2 2025 Adjusted EBITDA ( 1 ) up 14 % , over Q2 2025 , to a quarterly record high • Diluted EPS of $ 0.59 and Adjusted diluted EPS ( 1 ) ( 5 ) of $ 0.97 , up 20 % over Q2 2025 • Net cash generated from operating activities of $ 83.5 million • Nuclear full year revenue outlook increased to approximately $ 2.7 billion ― MONTREAL : August 6 , 2026 Atkins Réalis Group Inc. ( TSX : ATRL ) , a world - class engineering services and nuclear company with offices around the world , today announced its financial results for the second quarter ended June 30 , 2026 . Atkins Réalis reports strong results , delivering year - over - year increases in revenue , Adjusted EBITDA and Adjusted Diluted EPS in Q2 . The Company continues to leverage its financial flexibility , strong cash position and low debt to advance its value - focused capital allocation strategy . Demand for the Company's engineering services and nuclear products continues to be robust , resulting in a $ 20 billion backlog at quarter's end . " We executed another strong quarter , led by significant Nuclear growth , and consistent demand for our unique Engineering Services capabilities , " said lan L. Edwards , President and CEO of AtkinsRéalis . " We also enhanced our Adjusted EBITDA margin and delivered positive operating cash flows , highlighting our ability to grow while operating more efficiently . Additionally , we continued to execute our value - focused capital allocation priorities , repurchasing $ 242 million of shares and advancing our Land and Expand strategy through the announced acquisitions of WGA , Coras Solutions and TOBIN . These additions strengthen our local presence and technical capabilities across Australia and Ireland . Looking ahead , momentum continues to build globally for the proprietary CANDU technology . Canada's Nuclear Energy Strategy reinforces CANDU as a cornerstone of the country's nuclear advantage , while our progress toward bringing CANDU technology to the U.S. marks another important step in expanding its role internationally . None of this progress would be possible without our 41,000 colleagues , whose hard work and dedication continue to move AtkinsRéalis forward as we engineer a better future for our planet and its people . " Q2 2026 Financial Highlights ( All results reflect comparisons to prior - year period of Q2 2025 ) ( Engineering Services Regions is comprised of the following reportable segments : Canada , United Kingdom & Ireland ( " UKI " ) , United States & Latin America ( “ USLA ” ) and Asia , Middle East & Australia ( " AMEA ” ) ) • Revenue totaled $ 3.0 billion , an increase of 10.0 % , or 8.3 % on an organic revenue growth ( 1 ) ( 3 ) basis Engineering Services Regions revenue ( 2 ) totaled $ 2.0 billion , an increase of 5.0 % , or 2.2 % on an organic revenue growth ( 1 ) ( 3 ) basis 1
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2 - Nuclear revenue totaled $671.2 million, an increase of 18.3%, or 18.1% on an organic revenue growth(1)(3) basis • Segment Adjusted EBIT increased by 10.2% to $271.4 million - Segment Adjusted EBIT for Engineering Services Regions (2) increased by 11.8% to $191.4 million, representing a Segment Adjusted EBIT to segment revenue ratio of 9.8%. Segment Adjusted EBITDA to segment net revenue ratio (1)(4) was 16.4%, an increase of 70 basis points - Segment Adjusted EBIT for Nuclear increased by 20.8% to $ 77.0 million, representing a Segment Adjusted EBIT to segment revenue ratio of 11.5% and a Segment Adjusted EBITDA to segment net revenue ratio(1)(4) of 25.6% - Segment Adjusted EBIT for All other segments was $3.0 million • Adjusted EBITDA(1) increased by 14.2% to a quarterly record high of $292.9 million, representing an Adjusted EBITDA to revenue ratio(1)(6) of 9.8%, an increase of 40 basis points • Net income attributable to AtkinsRéalis shareholders totaled $95.7 million, or $0.59 per diluted share, compared to $2.3 billion, or $13.32 per diluted share in Q2 2025, which included an after-tax gain on disposal of the Company’s remaining 6.76% interest in Highway 407 ETR of $2.2 billion, or $12.86 per diluted share • Adjusted net income attributable to AtkinsRéalis shareholders (1) increased to $158.7 million, or $0.97 per diluted share, compared to $140.9 million, or $0.81 per diluted share in Q2 2025, representing an increase of 19.8% in Adjusted diluted EPS • Backlog totaled $20.2 billion as at June 30, 2026, with Engineering Services Regions reaching a new record-high level • The Company returned a total of $245.0 million to shareholders through share repurchases and dividends in Q2 2026 ($332.3 million year-to-date) • Net cash generated from operating activities was $83.5 million • Cash and cash equivalents as at June 30, 2026 totaled $833.0 million 2026 Outlook (Revised) The Company is raising its Nuclear revenue outlook for full year 202 6 to approximately $2.7 billion, from approximately $2.5 billion, reflecting continued strong revenue growth year-to-date. All other financial outlook metrics for full year 202 6, issued on February 27, 2026, in the Q4 202 5 press release are maintained. Second Quarter Financial Results Net income attributable to AtkinsRéalis shareholders in the second quarter of 2026 totaled $95.7 million, compared to $2.32 billion in Q2 2025, which included an after -tax gain on disposal of the Company’s remaining 6.76% interest in Highway 407 ETR of $2.2 4 billion. Excluding this gain, net income increased
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3 mainly due to higher Segment Adjusted EBIT , lower corporate selling, general and administrative expenses, restructuring and transformation costs, and net financial expenses, partially offset by a higher income tax expense. Financial Highlights Q2 2026 Q2 2025 2026A 2025A Revenue Engineering Services Regions 1,950.2 1,857.9 3,894.8 3,594.7 Nuclear 671.2 567.3 1,407.8 1,105.6 All other segments* 363.9 289.8 680.5 560.4 2,985.3 2,715.0 5,983.1 5,260.6 Segment Adjusted EBIT Engineering Services Regions 191.4 171.2 350.0 322.0 Nuclear 77.0 63.7 158.9 126.4 All other segments* 3.0 11.4 7.0 16.6 271.4 246.3 515.9 465.0 Earnings before interest and taxes (EBIT) 176.1 2,711.8 331.0 2,833.2 Earnings before interest, taxes, depreciation and amortization (EBITDA)(1) 254.2 2,785.2 486.1 2,967.1 Gain on disposal of a joint venture - 2,569.9 - 2,569.9 Adjusted EBITDA(1) 292.9 256.4 546.6 470.5 Net income attributable to AtkinsRéalis shareholders 95.7 2,317.5 188.5 2,386.6 Diluted EPS attributable to AtkinsRéalis shareholders ($) 0.59 13.32 1.15 13.67 Adjusted net income attributable to AtkinsRéalis shareholders(1)** 158.7 140.9 290.6 250.9 Adjusted diluted EPS(1)(5)** ($) 0.97 0.81 1.77 1.44 Backlog as at June 30 Engineering Services Regions 13,357.7 13,000.2 Nuclear 4,211.2 5,648.2 All other segments* 2,613.6 2,291.6 20,182.6 20,939.9 All figures in millions of Canadian dollars, except as otherwise indicated Certain totals and subtotals may not reconcile due to rounding A For the six-month period ended June 30 * 2025 Revenue, Segment Adjusted EBIT and Backlog figures have been restated to reflect the new presentation effective as of January 1, 2026
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4 ** Comparative figures have been restated to reflect the current period presentation by including the loss on extinguishment of debt to the list of adjustments Quarterly Dividend The Board of Directors today declared a cash dividend of $0.02 per share, unchanged from the previous quarter. The dividend is payable on September 3, 2026 to shareholders of record on August 20, 2026. This dividend is an “eligible dividend” for Canadian federal and provincial income tax purposes. Second Quarter 2026 Conference Call / Webcast AtkinsRéalis will hold a webcast and conference call today at 8:00 a.m. (Eastern Daylight Time) to discuss and present its second quarter financial results. The live webcast of the conference call can be accessed through a link posted on the Company’s website at www.atkinsrealis.com/en/investors or using this link. To participate to the conference call, please pre -register using this link. Registrants will rec eive a confirmation email with dial-in details and a unique access code required to join the live call. A recording of the webcast and a transcript of the conference call will be available on the Company’s website within 24 hours following the call. 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 a re delivered to clients in strategic sectors such as Engineering Services and Nuclear, as the steward of CANDU ® nuclear technology. News and informati on are available at www.atkinsrealis.com or follow us on LinkedIn. Non-IFRS Financial Measures and Ratios, Supplementary Financial Measures, Total of Segments Measures and Non-Financial Information The Company reports its financial results in accordance with IFRS® Accounting Standards (“ IFRS”). However, the following non-IFRS financial measures and ratios, supplementary financial measures, total of segments measures and non -financial information are used by the Company in this press release: Organic revenue growth (contraction), EBITDA, Adjusted EBITDA, Segment Adjusted EBITDA, Adjusted net income (loss) attributable to AtkinsRéalis shareholders, Adjusted diluted EPS, Segment Adjusted EBITDA to segment net revenue ratio , Adjusted EBITDA to revenue ratio and Segment net revenue, as well as certain measures for various reportable segments that are grouped together, such as Revenue, Segment Adjusted EBIT and Backlog for the various Engineering Services Regions segments . Additional
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5 details for these non -IFRS financial measures and ratios, supplementary financial measures , total of segments measures and non-financial information can be found below and in Sections 4 and 9 of the Company’s Management Discussion & Analysis (“MD&A”) for the second quarter of 2026, which sections are incorporated by reference into this p ress release, 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. Non-IFRS financial measures and ratios, supplementary financial measures, total of segments measures and non-financial information do not have any standardized meaning under IFRS and other issuers may define these measures differently and, accordingly, they may not be comparable to similar measures prepared by other issuers . Such non-IFRS financial measures and ratios, supplementary financial measures, total of segments measures and non -financial information have limitations and should not be considered in isolation or as a substitute for measures of performance prepared in accordance with IFRS. However, management believes that, in addition to conventional measures prepared in accordance with IFRS, these non-IFRS financial measures and ratios, supplementary financial measures, total of segments measures and non -financial information provide additional insight into the Company’s operating performance and financial position, and certain investors may use this information to evaluate the Company’s performance from period to period. Reconciliations and calculations of non -IFRS measures and ratios, supplementary financial measures, total of segments measures and non -financial information to the most comparable IFRS measures and ratios are set forth below in the section “Reconciliations and Calculations” of this press release. (1) Non-IFRS financial measure or ratio or supplementary financial measure. (2) Total of segments measure. (3) Organic revenue growth (contraction) ratio is a non-IFRS ratio comparing organic revenue (which excludes foreign exchange and acquisitions and disposals impacts), itself a non-IFRS financial measure, between two periods. See “Calculation of organic revenue growth (contraction)” in the section “Reconciliations and Calculations” of this press release for each non-IFRS financial measure used as a component of this non-IFRS ratio. (4) Segment Adjusted EBITDA to segment net revenue ratio for Engineering Services Regions and Nuclear are non-IFRS ratios based on Segment Adjusted EBITDA and segment net revenue , both of which are non-IFRS financial measure s. See “Calculation of Segment net revenue and Segment Adjusted EBITDA to segment net revenue ratio s for Engineering Services Regions and Nuclear” in the section “Reconciliations and Calculations” of this press release for each non-IFRS financial measure used as a component of these non-IFRS ratios. (5) Adjusted diluted EPS is a non-IFRS ratio based on adjusted net income (loss) attributable to AtkinsRéalis shareholders , itself a non -IFRS financial measure. See “ Reconciliation of Adjusted net income attributable to AtkinsRéalis shareholders to IFRS net income attributable to AtkinsRéalis shareholders” in the section “Reconciliations and Calculations” of this press release for the non-IFRS financial measure used as a component of this non-IFRS ratio. (6) Adjusted EBITDA to revenue ratio is a non -IFRS ratio based on Adjusted EBITDA and revenue, of which the Adjusted EBITDA is a non -IFRS financial measure. See “Reconciliation of EBITDA and Adjusted EBITDA to IFRS net income and calculation of Adjusted EBITDA to revenue ratio” in the section “Reconciliations and Calculations” of this press release for the non-IFRS financial measure used as a component of this non-IFRS ratio.
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6 Reconciliations and Calculations Reconciliation of Adjusted net income attributable to AtkinsRéalis shareholders to IFRS net income attributable to AtkinsRéalis shareholders Q2 2026 Q2 2025 Before Taxes Taxes After Taxes Diluted EPS (in $) Before Taxes Taxes After Taxes Diluted EPS (in $) Net income attributable to AtkinsRéalis shareholders (IFRS) 95.7 0.59 2,317.5 13.32 Restructuring and transformation costs* 21.2 (5.3) 16.0 34.0 (3.2) 30.8 Amortization of intangible assets related to business combinations 28.7 (6.0) 22.7 26.6 (5.4) 21.2 Acquisition-related costs and integration costs 13.8 (1.8) 12.1 7.2 - 7.2 Loss on extinguishment of debt** 16.6 (4.4) 12.2 1.5 (0.4) 1.1 Gain on disposal of a joint venture - - - (2,569.9) 333.1 (2,236.8) Total adjustments 80.3 (17.4) 63.0 0.39 (2,500.7) 324.1 (2,176.6) (12.51) Adjusted net income attributable to AtkinsRéalis shareholders (non-IFRS) 158.7 0.97 140.9 0.81 Six months ended June 30, 2026 Six months ended June 30, 2025 Before Taxes Taxes After Taxes Diluted EPS (In $) Before Taxes Taxes After Taxes Diluted EPS (In $) Net income attributable to AtkinsRéalis shareholders (IFRS) 188.5 1.15 2,386.6 13.67 Restructuring and transformation costs* 37.6 (9.3) 28.4 62.5 (10.3) 52.2 Amortization of intangible assets related to business combinations 57.2 (11.9) 45.3 46.1 (9.2) 36.9 Acquisition-related costs and integration costs 19.2 (3.0) 16.2 10.9 - 10.9 Loss on extinguishment of debt** 16.6 (4.4) 12.2 1.5 (0.4) 1.1 Gain on disposal of a joint venture - - - (2,569.9) 333.1 (2,236.8) Total adjustments 130.6 (28.6) 102.1 0.62 (2,449.0) 313.2 (2,135.8) (12.23) Adjusted net income attributable to AtkinsRéalis shareholders (non-IFRS) 290.6 1.77 250.9 1.44 *Restructuring and transformation costs for the second quarter and for the first six months of 2026 exclude the restructuring and transformation costs and related tax impact attributable to non-controlling interest
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7 **Comparative figures have been restated to reflect the current period presentation by including the loss on extinguishment of debt to the list of adjustments Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars, except as otherwise indicated Reconciliation of EBITDA and Adjusted EBITDA to IFRS net income and calculation of Adjusted EBITDA to revenue ratio Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Revenue 2,985.3 2,715.0 5,983.1 5,260.6 Net income 103.9 2,321.0 203.7 2,391.6 Net financial expenses 30.8 39.2 44.9 76.8 Income tax expense 41.4 351.6 82.5 364.9 EBIT 176.1 2,711.8 331.0 2,833.2 Depreciation and amortization 78.1 73.4 155.0 133.8 EBITDA 254.2 2,785.2 486.1 2,967.1 Restructuring and transformation costs 24.9 34.0 41.3 62.5 Acquisition-related costs and integration costs 13.8 7.2 19.2 10.9 Gain on disposal of a joint venture - (2,569.9) - (2,569.9) Adjusted EBITDA 292.9 256.4 546.6 470.5 Adjusted EBITDA to revenue ratio 9.8% 9.4% 9.1% 8.9% Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars, except as otherwise indicated Components of Engineering Services Regions Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Revenue Canada 412.6 366.1 788.8 691.8 UKI 721.1 670.3 1,467.4 1,331.1 USLA 529.0 512.1 1,057.5 944.2 AMEA 287.5 309.4 581.1 627.5 Engineering Services Regions 1,950.2 1,857.9 3,894.8 3,594.7 Segment Adjusted EBIT Canada 37.4 26.3 59.8 42.6 UKI 86.4 78.0 175.4 153.1 USLA 47.3 43.3 81.7 82.8 AMEA 20.4 23.5 33.1 43.5 Engineering Services Regions 191.4 171.2 350.0 322.0
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8 June 30, 2026 June 30, 2025 Backlog Canada 7,587.2 7,965.8 UKI 2,100.1 1,937.3 USLA 1,991.8 1,779.4 AMEA 1,678.6 1,317.7 Engineering Services Regions 13,357.7 13,000.2 Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars Reconciliation of Segment Adjusted EBIT to Segment Adjusted EBITDA for Engineering Services Regions and Nuclear Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Segment Adjusted EBIT – Engineering Services Regions 191.4 171.2 350.0 322.0 Depreciation and amortization – Engineering Services Regions 39.9 38.3 79.3 71.3 Segment Adjusted EBITDA – Engineering Services Regions 231.3 209.4 429.4 393.3 Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Segment Adjusted EBIT – Nuclear 77.0 63.7 158.9 126.4 Depreciation and amortization – Nuclear 5.2 5.4 10.6 10.8 Segment Adjusted EBITDA – Nuclear 82.2 69.2 169.4 137.1 Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars Calculation of Segment net revenue and Segment Adjusted EBITDA to segment net revenue ratio s for Engineering Services Regions and Nuclear Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Revenue – Engineering Services Regions 1,950.2 1,857.9 3,894.8 3,594.7 Less: Direct costs for sub-contractors and other direct expenses that are recoverable directly from clients – Engineering Services Regions 544.0 523.4 1,093.3 1,018.6 Segment net revenue – Engineering Services Regions 1,406.2 1,334.5 2,801.4 2,576.1
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9 Segment Adjusted EBITDA – Engineering Services Regions 231.3 209.4 429.4 393.3 Segment Adjusted EBITDA to segment net revenue ratio – Engineering Services Regions 16.4% 15.7% 15.3% 15.3% Engineering Services Regions comprises Canada, UKI, USLA and AMEA segments Q2 2026 Q2 2025 Six months ended June 30, 2026 Six months ended June 30, 2025 Revenue – Nuclear 671.2 567.3 1,407.8 1,105.6 Less: Direct costs for sub-contractors and other direct expenses that are recoverable directly from clients – Nuclear 350.4 295.3 764.9 580.2 Segment net revenue – Nuclear 320.8 272.0 642.9 525.4 Segment Adjusted EBITDA – Nuclear 82.2 69.2 169.4 137.1 Segment Adjusted EBITDA to segment net revenue ratio – Nuclear 25.6% 25.4% 26.4% 26.1% Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars, except as otherwise indicated Calculation of organic revenue growth (contraction) Revenue Q2 2026 Revenue Q2 2025 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth Engineering Services Regions 1,950.2 1,857.9 92.3 9.2 42.9 40.2 Nuclear 671.2 567.3 103.9 1.5 - 102.4 All other segments* 363.9 289.8 74.1 3.8 (13.5) 83.8 Total 2,985.3 2,715.0 270.3 14.5 29.4 226.4 Revenue Q2 2026 Revenue Q2 2025 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth Engineering Services Regions 1,950.2 1,857.9 5.0% 0.5% 2.3% 2.2% Nuclear 671.2 567.3 18.3% 0.3% - 18.1% All other segments* 363.9 289.8 25.6% 1.3% (4.7)% 28.9% Total 2,985.3 2,715.0 10.0% 0.5% 1.1% 8.3% Revenue Q2 2025 Revenue Q2 2024 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth (contraction) Engineering Services Regions 1,857.9 1,746.6 111.2 46.6 83.4 (18.8) Nuclear 567.3 357.6 209.7 8.2 - 201.5 All other segments* 289.8 259.7 30.1 8.1 - 22.0 Total 2,715.0 2,364.0 351.0 62.9 83.4 204.8
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10 Revenue Q2 2025 Revenue Q2 2024 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth (contraction) Engineering Services Regions 1,857.9 1,746.6 6.4% 2.7% 4.8% (1.1)% Nuclear 567.3 357.6 58.6% 2.3% - 56.3% All other segments* 289.8 259.7 11.6% 3.1% - 8.5% Total 2,715.0 2,364.0 14.8% 2.7% 3.5% 8.7% Revenue Six months ended June 30, 2026 Revenue Six months ended June 30, 2025 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth Engineering Services Regions 3,894.8 3,594.7 300.1 6.7 166.1 127.3 Nuclear 1,407.8 1,105.6 302.2 3.2 - 299.1 All other segments* 680.5 560.4 120.2 6.9 (13.5) 126.8 Total 5,983.1 5,260.6 722.5 16.7 152.6 553.2 Revenue Six months ended June 30, 2026 Revenue Six months ended June 30, 2025 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth Engineering Services Regions 3,894.8 3,594.7 8.3% 0.2% 4.6% 3.5% Nuclear 1,407.8 1,105.6 27.3% 0.3% - 27.0% All other segments* 680.5 560.4 21.4% 1.2% (2.4)% 22.6% Total 5,983.1 5,260.6 13.7% 0.3% 2.9% 10.5% Revenue Six months ended June 30, 2025 Revenue Six months ended June 30, 2024 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth (contraction) Engineering Services Regions 3,594.7 3,465.7 129.0 123.4 90.4 (84.8) Nuclear 1,105.6 656.2 449.4 18.4 - 431.0 All other segments* 560.4 506.4 54.0 16.5 - 37.5 Total 5,260.6 4,628.3 632.4 158.2 90.4 383.7 Revenue Six months ended June 30, 2025 Revenue Six months ended June 30, 2024 Variance Foreign exchange impact Acquisitions / Disposals impact Organic revenue growth (contraction) Engineering Services Regions 3,594.7 3,465.7 3.7% 3.6% 2.6% (2.4)% Nuclear 1,105.6 656.2 68.5% 2.8% - 65.7% All other segments* 560.4 506.4 10.7% 3.3% - 7.4% Total 5,260.6 4,628.3 13.7% 3.4% 2.0% 8.3% Note that certain totals and subtotals may not reconcile due to rounding All figures in millions of Canadian dollars, except as otherwise indicated * 2025 and 2024 figures have been restated to reflect the new presentation effective as of January 1, 2026
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11 Forward-Looking Statements References in this press release, and hereafter, to the “Company”, “AtkinsRéalis”, “we”, “us” and “our” mean, as the context may require, AtkinsRéalis Group Inc. and all or some of its subsidiaries or joint arrangements or associates , or AtkinsRéalis Group Inc. or one or more of its subsidiaries or joint arrangements or associates. Statements made in this press release that describe the Company’s or management’s budgets, estimates, expectations, forecasts, objectives, predictions, projections of the future or strategies may be “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 the negative thereof or other variations thereon. Forward -looking statements also include any other statements that do not refer to historical facts. Forward-looking statements in this press release include statements relating to the Company’s future economic performance and financial condition. Forward- looking statements also include statements relating to the following: i) future capital expenditures, revenue, expenses, earnings, economic performance, indebtedness, financial condition, losses , project or contract - specific cost reforecasts and claims provisions, future prospects, and potential future significant contract opportunities, including those in the Nuclear segment; and ii) business and management strategies and the expansion and growth of the Company’s operations. All such forward-looking statements are made pursuant to the “safe-harbour” provisions of applicable Canadian securities laws. The Company cautions that, by their nature, forward-looking statements involve risks and uncertainties, and that its actual actions and/or results could differ materially from those expressed or implied in such forward-looking statements, or could affect the extent to which a particular projection materializes. 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 prioriti es, 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 MD&A (particularly in the sections entitled “Critical Accounting Judgements and Key Sources of Estimation Uncertainty” and “How We Analyze and Report Our Results” ). 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. These risks include, but are not limited to , matters relating to : (a) contract awards and timing ; (b) contract liability and execution risk; (c) backlog and contracts with termination for convenience provisions; (d) competition; (e) qualified personnel; (f) international operations; (g) risks relating to the Company’s Nuclear segment; (h) research and development activities and related investments; (i) acquisition and integration of businesses; (j) divestitures and the sale of significant assets; (k) dependence on third parties; ( l) supply chain disruptions; (m) joint arrangements and partnerships; (n) cybersecurity, information systems and data and compliance with privacy legislation ; (o) Artificial Intelligence (“AI”) and other innovative technologies; (p) being a provider of services to government agencies; (q) strategic direction; (r) professional liability or liability for faulty services; (s) monetary damages and penalties in connection with professional and engineering reports and opinions; ( t) gaps in insurance coverage; ( u) health and safety; ( v) work stoppages, union negotiations and other labour matters; (w) epidemics, pandemics and other health crises; (x) global climate change, extreme weather conditions and the impact of natural or other disasters; ( y) Environmental, Social and Governance (“ESG”); (z) intellectual property; (aa) ownership interests in investments; (bb) Lump-sum turnkey (“LSTK”) contracts; (cc) liquidity and financial position; (dd) indebtedness; (ee) impact of operating results and level of
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12 indebtedness on financial situation; ( ff) dependence on subsidiaries to help repay indebtedness; (gg) dividends; (hh) post-employment benefit obligations, including pension-related obligations; (ii) working capital requirements; ( jj) collection from customers; ( kk) impairment of goodwill and other non-current intangible and tangible assets; ( ll) the impact on the Company of legal and regulatory proceedings, investigations and dispute settlements ; (mm) employee, agent or partner misconduct or failure to comply with anti -corruption and other government laws and regulations; (nn) reputation of the Company; (oo) inherent limitations to the Company’s control framework; (pp) regulatory framework; (qq) global economic conditions; (rr) inflation; (ss) fluctuations in commodity prices; and (tt) income taxes. The Company cautions that the foregoing list of factors is not exhaustive. For more information on risks and uncertainties, and assumptions that could cause the Company’s actual results to differ from current expectations, please refer to the sections “Ris ks and Uncertainties”, “How We Analyze and Report Our Results” and “Critical Accounting Judgements and Key Sources of Estimation Uncertainty” in the Company’s 2025 Annual MD&A, and as may be updated from time to time in the Company’s 2026 interim quarterly MD&A 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. 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 written or oral forward-looking information or 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. For More Information: Media Investors Antoine Calendrier Denis Jasmin Vice President, Global External Communications Vice President, Investor Relations 514-393-8000 ext. 57553 media@atkinsrealis.com denis.jasmin@atkinsrealis.com The Company’s unaudited interim condensed consolidated financial statements for the three-month and six- month periods ended June 30, 2026 and 2025, together with its Management’s Discussion and Analysis for the corresponding periods, can be accessed on the Company’s website at www.atkinsrealis.com and on www.sedarplus.com.