Slide 1: H1 2025 Results
Hi 2025 Results Aug 1, 2025 AtoSGroup 4
Slide 2: Today's presenters
~ Today’s presenters 7 . . Philippe Salle Jacques-Frangois de Prest Group Chairman & CEO Group CFO eae AtoS Group
Slide 3: Disclaimer
Disclaimer This document contains forward-looking statements that involve risks and uncertainties, including references, concerning the Group's expected growth and profitability in the future which may significantly impact the expected performance indicated in the forward- looking statements. These
Slide 4: Today's agenda
- Today’s agenda | | #12025 | u Business Highlights (B} Operating Performance by Segment yw | 412025 | Financial Results » | Outlook Questions & Answers AtoS Group
Slide 5: Business Highlights
O1 Hi 2025 Business Highlights Philippe Salle Group Chairman & CEO AtoS Group
Slide 6: Significant achievements in H1 2025
Significant achievements in Hi 2025 with a new leardership team Hi 2025 performance in line with expectations Genesis plan in motion: FY 2025 guidance confirmed instilled and producing first benefits SPA signed with the French State Strengthened governance for the sale of Advanced Computing and stoc
Slide 7: Free cash flow, margin and net debt
-17.4% yoy. organic FREE CASH FLOW before debt repayment M&A & FX €-96m (including €-154m restructuring) Vs €-593 min Hi 2024 7 | 01/08/2025 | Atos Hi 2025 Results | © Atos - for external use OPERATING MARGIN €113 m 2.8% of revenues +15% yoy organically NET DEBT (excl. IFRS 9 fair value treatment) €
Slide 8: Order entry and major contract wins
3000 Financial restructuring finalized ~ Growth pillar of Genesis: 140 2500 initial phase 120 2000 100 1500 80 60 1000 40 500 20 fe) fe) Q1'24 Q2'24 Q3'24 Q4'24 Qi'25 Q2'25 Order Entry (€m) | ——Book-to-Bill ratio (%) Major contract wins and renewals in Q2 2025 UK Ministry of Justice US Tech products
Slide 9: Genesis - the new Atos: seven pillars
Genesis - the new Atos: seven pillars Growth KAM organization &key account focus Industry Where to invest Culture & Talents Bid Excellence M&A Bonus Scheme and LTI Countries review Reinforce or Exit Portfolio review Business Lines / Offers Where to Invest Gross Margin Direct Workforce Billability Co
Slide 10: Delivery and G&A optimization
al Rix I Delivery and G&A Growth transformation Portfolio review optimization * Initial phase achieved * Country exit: 1 completed * +3 ppts improvement in * Target operating model * Formal process launched to billability rate YTD deployed across geos and dispose of other non-core * +1 ppt improveme
Slide 11: Operating Performance by Segment
O2 Operating Performance by Segment Philippe Salle Group Chairman & CEO AtoS Group
Slide 12: H1 2025 revenue bridge
Hi 2025 revenue bridge Evolution in €m: 4,964 (86) -17% a Hi 2024 Scope revenue 5 | Atos H1 (13) -0.3% Foreign Exchange 4,865 | Proforma Hi 2024 revenue (845) C -174% > Organic 4,020 _ Hi 2025 revenue AtoS Group
Slide 13: Organic revenue evolution and mix
Organic revenue evolution Revenue mix Eviden Atos Benelux & 10% Atos Germany, Nordics Ce Austria and CE 10% 19% Atos Intl € 4 . O B Atos Eviden SBU Markets US &Can -11.9% 14% 17% Organic revenue decline driven by 2024 Atos UK & IR Atos France contract losses and exits and soft market environment 14%
Slide 14: H1 2025 operating margin improving by 15% despite revenue decline
Hi 2025 operating margin improving by 15% despite revenue decline in€m: 115 113 (15) 98 15 -13% (2) -14% Cc +15% > H1 2024 Scope Foreign Proforma Organic H1 2025 operating margin Exchange H1 2024 operating margin operating margin 025 | Atos Hi xternal use AtoS G ro U p
Slide 15: H1 2025 Group operating margin by business unit
Hi 2025 Group operating margin by business unit Operating margin Atos BU +170 bps organic yoy: * Operating margin improvement led by Germany, Austria & eal ts . . CE initial benefits of cost reduction measures 0.1% Atos SBU . . 5.7% —T Eviden BU (170) bps organic yoy: . Benelux & * Anticipated seaso
Slide 16: Germany, Austria & Central Europe
Atos BU - Germany, Austria & Central Europe revenue declines with ramp-downs but margin turns positive 831 161 (7,6)% organic growth yoy: * Ramp-down in Manufacturing, pharmaceutical Revenue and in public sector * Positive impact of a new automative contract (€m) Hi 2024 PF Hi 2025 1 +140 bps margin
Slide 17: USA & Canada
Atos BU - USA & Canada revenue decrease reflects contract terminations but operating margin grows thanks to Genesis Revenue (€m) 978 [ : H1 2024 PF Hi 2025 (29)% organic growth yoy: * Driven by large contract terminations in transportation, media, healthcare, pharmaceutical, insurance and ramp-downs
Slide 18: France
Atos BU - France revenue decreases due to volume reduction but margin increases thanks to Genesis (10,8)% organic growth yoy: 663 Sal * Volume reduction in automotive Revenue and in public sector (€m) * Impact of financial restructuring on client perception in 2024 Hi 2024 PF Hi 2025 13 + 80 bps mar
Slide 19: UK & Ireland
Atos BU - UK & Ireland revenue decreases due to contract terminations but margin evolves positively vs last year (29)% organic growth yoy: 821 583 * Mainly planned large public sector BPO contracts J terminations Revenue (€m) Hi 2024 PF Hi 2025 50 + 280 bps margin increase: 8.6% * Impact of sharp de
Slide 20: International Markets
Atos BU - International Markets' revenue drops due to lower volumes but margin improves (16)% organic growth yoy: 668 561 * Softer performance in Asia Pacific, Switzerland and Revenue Major Events (Olympics in Hi 2024) (€m) Hi 2024 PF Hi 2025 a 46 + 240 bps margin increase: 8.2% + Improved productiv
Slide 21: Benelux & Nordics
Atos BU - Benelux & Nordics revenue decreases slightly but margin improves significantly 425 Revenue (5,4)% organic growth yoy: * Impacted by end of projects and ramp-downs in healthcare, manufacturing and utilities 402 . -UDS j i (€m) Ramp-ups in the public sector Hi 2024 PF Hi 2025 23 +590 bps mar
Slide 22: Eviden revenue and margin decline
Eviden revenue and margin decline reflects seasonality as anticipated 474 on (11,9)% organic growth yoy: * Mainly driven by anticipated strong seasonality in Revenue Advanced Computing (€m) H1 2024 PF H1 2025 -160 bps margin decrease: * Strong seasonality in Advanced Computing + FY operating margin
Slide 23: Financial results
O3 Hi2025 Financial results Jacques-Francois de Prest Group CFO AtoS Group
Slide 24: Significant reduction in net loss year-on-year
Significant reduction in net loss year-on-year Hinemiiory 2025 | 2028 | ‘Operatngmersin SS -60 Reorganization costs 355 @ @ - Genesis-related Rationalization and associated costs 24 @ -5 @ - Lease-related provision Integration and acquisition costs - -2 Amortization of intangible assets (PPA from ac
Slide 25: Free cash flow improved
Free cash flow (excl. WCA) improved from €-593m to €-96m (in m€) Genesis related acceleration expected in H2 J Including c. 17m positive one-off tax credits 2.3% of revenues, incl. ee Advanced Litigation, Computing onerous contracts... -109 OMDA Capex Leases Change Restructuring Tax paid Net cost of
Slide 26: Net debt evolution in H1 2025
Net debt evolution in Hi 2025 (in m€) -278 -176 Net debt IFRS 9 Net debt FCF Change Forex Other Net debt IFRS 9 Net debt 31/12/24 incl impact 31/12/24excl — (excl. WCA) in WCA impact 30/06/25 impact 30/06/25 incl IFRS9 IFRS9 IFRS9 €1.8Bn €3.6Bn 4.0x <1.5x Total liquidity Total gross debt Leverage ra
Slide 27: Currency exposure and hedging policy
P&L Currency Exposure BS Currency Exposure Hedging policy Based on H12025 revenue TOTAL 4,020 m€é * €-112 mimpactonnet * No hedging of the currency Revenue in m€ change cash in Hi due to translation risk on oe USD cash position of * Transactional risk to be 1% 1%. 1% c.€800m at the end of Hi systema
Slide 28: Outlook
04 Outlook Philippe Salle a Group Chairman & CEO AtoS Group
Slide 29: Financial trajectory confirmed
Financial trajectory confirmed ——— 2025 Building the foundation 2026 From recovery to relaunch 2028—_ Sustainable cash generation Reduced and focused top line c.€8.5B revenue! Adjusted cost structure C.4% operating margin Cash still impacted by restructuring c.-€350M net cash generation! Positive or
Slide 30: Q&A session
OS Q&A session AtoS Group
Slide 31: Thank you
~ Thank you! For more information Please contact: investors@atos.net Atos is a registered trademark of Atos SE. © 2025 Atos. Confidential information owned by Atos, to be used by the recipient only. This document, or any part of it, may not be reproduced, copied, circulated and/or distributed nor qu