Slide 1: 2025 annual results
March 2026 2025 annual results. • Dominique Louis – Chairman & CEO • Malène Korvin – Chief Financial Officer 1
Slide 2: Contents
Contents. 01 Significant events of 2025 Page 3 02 2025 financial performance Page 8 03 Outlook for 2026 Page 16 04 Appendices Page 19 2
Slide 3: Disclaimer
Disclaimer This presentation includes forward-looking statements, which, by their very nature, involve inherent risks and uncertainties. These statements concern future financial performance and other risks relating to Assystem’s markets as well as its results, levels of business, performance, and o
Slide 4: Significant events of 2025
SIGNIFICANT EVENTS OF 2025. 4
Slide 5: A geographic presence aligned with developments in the nuclear industry
A geographic presence aligned with developments in the nuclear industry. Assystem has a local presence in 13 countries across the globe, with the main ones highlighted here Assystem is broadening its international footprint with two strategic focuses, depending on each country’s maturity : • mature
Slide 6: Our long-term growth drivers: favourable trends in all our nuclear market segments
Our long-term growth drivers Favourable trends in all our nuclear market segments Decom- Installed Nuclear new- Fuel cycle missioning fleet builds LNPP*/SMR R&D Defence Energy production Thanks to the programmes for Nuclear redeployment Future growth drivers Major and increasing extending the lifesp
Slide 7: Assystem – a leading player in large-scale programmes
Assystem – a leading player Ranked No. 2 worldwide in large-scale programmes. in the “Nuclear Plants” category by Engineering News Record (ENR 2025) FRANCE UNITED KINGDOM INTERNATIONAL RECENT ACHIEVEMENTS • Assystem strengthens its presence in the UK nuclear sector with the Installed • 57 reactors i
Slide 8: 2025 financial performance
2025 FINANCIAL PERFORMANCE. 8
Slide 9: 2025 key figures
2025 key figures REVENUE EBIT-A €656.6m • Organic growth: 4.5% €45.0m i.e. 6.8% of revenue +7.4% o Scope effect(1): +4.2% +11.7% +0.2 pt o Currency effect: -1.3% PROFIT FOR THE PERIOD 2025 DIVIDEND (2) FREE CASH FLOW (3) €6.5m €1.0 per share €33.5m vs. €7.5m in 2024 i.e. 5.1% of consolidated revenue
Slide 10: Change in revenue in 2025
Change in revenue in 2025. €656.6m, up 7.4%, o/w 4.5% organic growth FRANCE BREAKDOWN OF 2025 380.9 387.8 REVENUE BY BUSINESS • Organic growth: 1.8% 23% • Scope effect : - NUCLEAR 77% • Total growth: 1.8% OTHER 2024 2025 INTERNATIONAL BREAKDOWN OF 2025 REVENUE BY GEOGRAPHIC 268.8 REGION 230.4 • Orga
Slide 11: 2025 revenue
2025 revenue. FRANCE INTERNATIONAL (in €m) 380.9 +3.4 +3.5 387.8 268.8 -8.2 +10.8 +9.8 +26.0 H2 org. 230.4 H1 org. growth growth Currency H1 org. H2 org. Scope effect growth growth effect 2024 2025 2024 2025 1.8% growth, entirely organic 16.7% growth, o/w 8.9% organic • Scope effect(1): +11.3% • Cur
Slide 12: Operating performance in 2025
Operating performance in 2025. EBIT-A AND EBIT-A MARGIN % of % of (in €m) 2024 2025 (in €m) revenue revenue +11.7% 45,0 Group 40.3 6.6% 45.0 6.8% 40.3 France 24.9 6.5% 26.2 6.7% International 20.7 9.0% 24.3 9.0% Holding 6.8% (5.3) - (5.5) - company +0.2pt 6.6% The increase in consolidated EBIT-A mar
Slide 13: Consolidated profit in 2025
Consolidated profit in 2025. EBIT-A TO CONSOLIDATED PROFIT (in €m) 7.8 45.0 (27.7) 6.5 (11.9) (6.7) 2025 Contribution Share-based Other non- Net financial 2025 profit of Expleo payments recurring expense(2) EBIT-A Group & (free share expenses(1) and income MPH plans) tax (1) Including €9.0m of goodw
Slide 14: Information about Expleo Group
Information about Expleo Group. Improvement in industry trends towards the end of 2025 1600 REVENUE €1,287m -8.5% 1387 1407 14,0% 1400 1273 1287 12,0% 1200 1043 1084 1008 1000 908 10.7% 10.5% 10.3% 10,0% EBITDA (2) €132m -10.8% 10.0% 9.9% 9.5% 9.2% 800 8,0% 8.2% OPERATING 600 10.3% -0.2 pt 6,0% MARG
Slide 15: Movements in net debt in 2025
Movements in net debt in 2025. (in €m) – Excluding the IFRS 16 impact for all data €10.4m Free cash flow 8.2 59.7 49.3 €33.5m 11.2 14.2 10.3 (33.5) At 31 Dec. M&A Dividends Acquisition Other At 31 Dec. 2024 paid to of shares financial 2025 Assystem cash flows(1) shareholders (1) Refund received from
Slide 16: Outlook for 2026
OUTLOOK FOR 2026. 16
Slide 17: Outlook for 2026
OUTLOOK FOR 2026. Assystem has set itself the following targets for 2026 CONSOLIDATED REVENUE Organic growth(1) between 2% and 4% EBIT-A MARGIN (2) Increase, to around 7% of consolidated revenue In view of the current conflict in the Middle East and uncertainty over how the situation will unfold, it
Slide 18: Thank you
THANK YOU. 2026 FINANCIAL CALENDAR CONTACTS • Malène Korvin – Chief Financial Officer 23 April: First-quarter 2026 revenue release mkorvin@assystem.com 22 May: Annual General Meeting 23 July: First-half 2026 revenue release • Jean-Baptiste Guillerme – Director of Marketing and 15 September: First-ha
Slide 19: Breakdown of 2025 revenue and EBIT-A
Breakdown of 2025 revenue and EBIT-A. % change % change REVENUE 2024 2025 (reported) (organic) (in €m) (2) (1) Consolidation since 1 January 2025 of the UK company, Mactech Energy Group, specialised in construction Group(1) 611.3 656.6 +7.4% +4.5% capabilities for the nuclear industry. France 380.9
Slide 20: 2025 condensed consolidated income statement
2025 condensed consolidated income statement. (in €m) 2024 2025 Revenue 611.3 656.6 (1) Operating profit before non-recurring items (EBIT-A: Earnings before Interest and Taxes - from Activity) EBIT-A(1) 40.3 45.0 including share of profit of equity-accounted investees EBIT-A margin 6.6% 6.8% other t
Slide 21: Condensed balance sheet at 31 December 2025
Condensed balance sheet at 31 December 2025. Non-current assets(1) . o/w goodwill: €142.2m 192,0 287,1 • Equity Right-of-use assets (IFRS 16) . 28,1 Expleo Group shares and . 179,0 convertible bonds 31,3 • Non-current liabilities(2) 30,1 • Lease liabilities (IFRS 16) (1) Goodwill, intangible assets,
Slide 22: Ownership structure
Ownership structure. SHAREHOLDING PATTERN ASSYSTEM SHARES at 27 February 2026 • Euronext Paris Compartment B • Indices: Euronext Tech Leaders, CAC Small, CAC Mid & Small, CAC Industrials, CAC All-Tradable and CAC All-Share 36.48% • ISIN: FR0000074148 Free float (2) • Eligible for equity savings sche
Slide 23: ASSYSTEM.COM
Copyright photos: Adobe stock – drone photo ©EDF - Agence Movement; Bernard Gaetan ASSYSTEM.COM 23