Slide 1: Strong momentum for the next phase of profitable growth
Strong momentum for the next phase of profitable growth: strategic targets in place for 2027-2029 Arcadis Q2 and Half Year 2026 Results and 2027-2029 Strategy 30 July 2026 1
Slide 2: Strategic and Operational Overview
PART 1 Strategic and Operational Overview Heather Polinsky CEO © Arcadis 2026 | Arcadis Q2 and Half Year 2026 Results 2
Slide 3: Growth acceleration underway
Growth acceleration underway Second Quarter Results Net Revenues, yoy Order Intake, yoy 2.2% €974M 13.5% €1.1B 1) 1) Organic Growth Trend1) 2.2% 1.0% Op. EBITA Margin 11.4% 0.6%2) 0.8% 11.3% 11.4% 2) -0.2% Q2'25 Q3'25 Q4'25 Q1'26 Q2'26 Q2'25 Q2'26 1) Underlying growth excluding impact of FX, acquisi
Slide 4: Stellar order intake leading to record high backlog
Stellar order intake leading to record high backlog First Half Results Net Revenues, yoy Op. EBITA Margin Voluntary Turnover 11.2% 1) 1.5% 11.1% 10.7% 11.1% 2) €1.9B 11.2% 2024 H1 2025 H1 2026 H1 H1‘25: 10.9% Order Intake, yoy Backlog, yoy Employee Net Promoter 1) €4.0B Score 10.3% 6.7% 1) €3.4B €3.
Slide 5: Strong performance in Water, Energy & Climate
Resilience | 38% of total Net Revenues Strong performance in Water, Energy & Climate First Half 2026 Performance Recent project win • Robust US water market driving revenues: +15% yoy Secured 33 projects in Q2 including major • AMP8 contracts ramping up and driving growth in UK water infrastructure
Slide 6: Data centers driving good order intake
Places | 35% of total Net Revenues Data centers driving good order intake First Half 2026 Performance Recent project win • Momentum building with good book-to-bill Selected as Project Management Consultant • Strong revenue growth datacenters Europe, UK, US for a new major hyperscale data center proj
Slide 7: Significant project wins in UK, pipeline strong for Germany and North America
Mobility | 27% of total Net Revenues Significant project wins in UK, pipeline strong for Germany and North America First Half 2026 Performance Recent project win • Strong performance in both Rail and Highways in North Providing design and programme America, Germany and NL drive revenue growth manage
Slide 8: Low-single digit 2026 Guidance
2026 Guidance Raising growth guidance, reaffirming margin. Investing for growth 2026 Low-single Organic Upgraded digit net revenue growth 2026 Operating 11.7%-12.0% EBITA1) Maintained margin 1. Operating EBITA is calculated as earnings before interest, tax, amortization and excludes restructuring, i
Slide 9: Financial Results and Management Actions
PART 2 Financial Results and Management Actions Simon Crowe CFO © Arcadis 2026 | Arcadis Q2 and Half Year 2026 Results 9
Slide 10: Building momentum through consistent execution
Building momentum through consistent execution First half achievements Drivers Results Growth guidance upgraded Growth acceleration to Low Single Digit from 0% Driven by Resilience, Mobility, Places excl P&I, while investing in growth markets Margin expansion Guiding for margin expansion: 11.7%-12.0
Slide 11: Back on track: >€1 billion quarterly orders
Growth acceleration Margin expansion Cash on track Right-size cost base Back on track: >€1 billion quarterly orders Quarterly trend • Backlog growth enhances long- € million, % term revenue visibility 6.7% • Organic backlog growth of +6.7% driven by: 1.09 Organic Backlog growth YoY1) – Resilience: G
Slide 12: Resilience: Strong growth and margin expansion from improved quality of portfolio
Growth acceleration Margin expansion Cash on track Right-size cost base Resilience: Strong growth and margin expansion from improved quality of portfolio Quarterly trend • Water, Energy and Environmental € million, % markets remain the main 6.9% growth engines • New leadership assignments in Q2’26 O
Slide 13: Places: Improving performance from Places excl. Property & Investment
Growth acceleration Margin expansion Cash on track Right-size cost base Places: Improving performance from Places excl. Property & Investment Quarterly trend Places moving in the right direction € million, % with positive developments in Q2 in: -1.7% 1. Growth: Places excl. Property & Investment (P&
Slide 14: Mobility: Large projects drive order intake, margins improve
Growth acceleration Margin expansion Cash on track Right-size cost base Mobility: Large projects drive order intake, margins improve Highlights Quarterly trend • Moderate Q2 growth primarily due € million, % to increased bidding activity and 1.1% timing effects, as well as softer UK performance Q2’2
Slide 15: Free Cash Flow generation in line with seasonality
Growth acceleration Margin expansion Cash on track Right-size cost base Free Cash Flow generation in line with seasonality € million H1’26 H1’25 Free Cash Flow1) and • Free Cash Flow reflecting Net Working Capital % typical seasonal working Operating EBITDA 261 269 € million, % capital movements Non
Slide 16: Balanced capital allocation drives growth in key markets and shareholder returns
Balanced capital allocation drives growth in key markets and shareholder returns Acquisition of • Dividend payout ratio SATEL Iberia | 250 people Return to 30-40% NIfO1) shareholders • Additional returns when appropriate Power and data center engineering firm, enhancing Arcadis’ strong • Leverage ta
Slide 17: Simplify the organization and operations
Growth acceleration Margin expansion Cash on track Right-size cost base Simplify the organization and operations H1 2026 right-sizing measures 2026 Operating EBITA Margin1) levers • Non-operating costs €40M (Q2: €25M): – Total restructuring: ~450 people in H1 11.7%- 12.0% – Business rightsizing: ~30
Slide 18: Focused profitable growth, lasting results
PART 3 Focused profitable growth, lasting results Arcadis Strategy 2027-2029 18
Slide 19: Arcadis is focused on improving the quality of life to solve clients' biggest problems
Arcadis is focused on improving the quality of life to solve clients’ biggest problems Rising capital Ageing & Growing Growing project Expanding investment inadequate demand for complexity driving emphasis on infrastructure climate resilience cost overruns asset lifecycle +66% 68% of $1 $9 Mega proj
Slide 20: Our strategy: Focused profitable growth, lasting results
Our strategy: Focused profitable growth, lasting results Focus Focus onto grow our strengths Simplify Simplify delivery around clients Drive Drive performance performance culture Focus investments Streamline how we work Strengthen commercial model Invest in the most attractive spaces Bring our best
Slide 21: Invest in Core and Accelerate Industries to drive growth and margin
Focus on our strengths Invest in Core and Accelerate Industries to drive growth and margin Core Accelerate Optimize Large, structurally growing, low-cyclicality markets Fast growing sectors where we have a More cyclical, with greater risk of where we hold strong position foothold, but not at scale c
Slide 22: Organizing around our clients: from Global Business Areas to Industries
Simplify around clients Organizing around our clients: from Global Business Areas to Industries Who we work for Core Accelerate Optimize Transportation Power & Water Industrial Manuf. & Tech Real Estate & Development Industries 27% of net revenue 26% of net revenue 21% of net revenue 26% of net reve
Slide 23: Focus where we provide end-to-end integrated service offering
Simplify around clients Focus where we provide end-to-end integrated service offering What we do Industrial Real Estate Transportation Power & Water Manuf. & Tech & Development Services Selected service Integrated service offering offering Design & Program Advisory Environment Architecture Asset Mgm
Slide 24: Aligning talent, incentives and performance
Drive performance culture Aligning talent, incentives and performance How we deliver What we want to achieve People strategy to succeed Step-change the commercial acumen and outcome-based pricing Sharpen incentive structures and Talent performance management, tying them to growth, margin and value D
Slide 25: We bring together the world's brightest to solve the most complex challenges
We bring together the world’s brightest to solve the most complex infrastructure and environmental challenges Why Arcadis Long heritage and people with deep expertise #1 in semiconductors, pharma and hazardous waste; top-3 in data centres and power Environmental expertise built in, not bolted on Fro
Slide 26: 2027-2029 targets: We will step change our performance
2027-2029 targets: We will 2027-2029 step change our Mid-single Organic performance digit Net revenue growth through the strategy 2029 Mid- to Operating high-teens EBITDA1 margin 1) Operating EBITDA is calculated as earnings before interest, tax, depreciation and amortization and excludes restructur
Slide 27: Strategic prioritization reshapes our revenue mix towards high growth end markets
2027-2029 Targets: Net Revenues Strategic prioritization reshapes our revenue mix towards high growth end markets Net revenue split Growing Core & Accelerate from 74% to 85% by 2029 % Core Power & Water > Focused investments Targeting above-market growth by increasing our share of wallet with our Ke
Slide 28: We will drive sustainable margin improvement through our strategic pillars
2027-2029 Targets: Operating EBITDA Margin We will drive sustainable margin improvement through our strategic pillars Mid-high teens • Strengthening the 14.3-14.6% commercial model 11.7-12.0% • Simplified delivery • Operating leverage reducing mgmt. • Investing in talent layers • Driving win-rate •
Slide 29: Wrap up
PART 4 Wrap up Heather Polinsky CEO © Arcadis 2026 | Arcadis Q2 and Half Year 2026 Results 29
Slide 30: Building momentum for the next phase of growth
Wrap up Building momentum for the next phase 2027-2029 strategy of growth Confidence reflected in upgraded guidance • Sharpening portfolio focus and simplifying the operating model Strategic actions Organic net revenue growth • Scaling positions in high- delivering results guidance increased to low
Slide 31: Q&A
PART 4 Q&A © Arcadis 2026 | Arcadis Q2 and Half Year 2026 Results 31
Slide 32: Appendix
PART 5 Appendix © Arcadis 2026 | Arcadis Q2 and Half Year 2026 Results 32
Slide 33: 2025 Net Revenue Industries split
Appendix 2025 Net Revenue Industries split From Global Business Areas to Industries 2025 Net Revenue Bridge > Global Business Areas to Industries Transportation Power & Water Industrial Manuf. & Real Estate & Tech Development Resilience 6% 64% 14% 16% 100% Places 6% 4% 45% 45% 100% Mobility 86% 3% 0
Slide 34: Global Business Areas financial performance
Appendix Global Business Areas financial performance H1 2026 Resilience Places Mobility in € millions 2026 2025 change 2026 2025 change 2026 2025 change Net revenues 733 727 1% 659 707 -7% 515 503 2% Share in total net revenues 38% 38% 35% 36% 27% 26% 1) Organic growth (%) 5.2% 2.7% -3.9% -3.2% 3.8%
Slide 35: Quarterly trend for Free Cash Flow, Net Debt and Net Working Capital %
Appendix Quarterly trend for Free Cash Flow, Net Debt and Net Working Capital % 13.4% 14.0% 12.7% 12.7% 12.9% 12.1% 12.2% 11.6% 10.8% 9.3% 8.3% 963 1,016 1,039 978 974 1,042 873 886 920 739 797 344 208 134 183 8 2 80 0 -97 -138 Q4 2023 Q1 2024 Q2 2024 Q3 2024 Q4 2024 Q1 2025 Q2 2025 Q3 2025 Q4 2025
Slide 36: Disclaimer
Disclaimer Statements included in this presentation that are not The forward-looking statements are based upon our current historical facts (including any statements concerning expectations, plans, estimates, assumptions and beliefs that investment objectives, other plans and objectives of involve n