Arcadis NV — Investor Presentation 2021

Oct 28, 2021

Continued strong organic revenue growth, and further strengthened balance sheet

Arcadis Q3 Trading Update

28th October, 2021

Delivering the extension of Calais Port

Mitigating climate change impact and preserving areal biodiversity

Client: Société des Ports du Détroit, France

Disclaimer

Statements included in this presentation that are not historical facts (including any statements concerning investment objectives, other plans and objectives of management for future operations or economic performance, or assumptions or forecasts related there to) are forward-looking statements. These statements are only predictions and are not guarantees. Actual events or the results of our operations could differ materially from those expressed or implied in the forward-looking statements. Forward-looking statements are typically identified by the use of terms such as "may," "will", "should", "expect", "could", "intend", "plan", "anticipate", "estimate", "believe", "continue", "predict", "potential" or the negative of such terms and other comparable terminology.

The forward-looking statements are based upon our current expectations, plans, estimates, assumptions and beliefs that involve numerous risks and uncertainties. Assumptions relating to the foregoing involve judgments with respect to, among other things, future economic, competitive and market conditions and future business decisions, all of which are difficult or impossible to predict accurately and many of which are beyond our control. Although we believe that the expectations reflected in such forward-looking statements are based on reasonable assumptions, our actual results and performance could differ materially from those set forth in the forward-looking statements.

Q3 2021 Trading update key messages

Peter Oosterveer | Chief Executive Officer

Part 1

Supporting Germany's "Energiewende "

More efficient transport of renewable energy

Client: TenneT, Germany

© Arcadis 2021 | Q3 2021 Trading Update

Sustained strong client demand driven by, climate change energy transition and urbanization

• Positive business outlook due to continued investments from public and private clients
• Growth areas for Arcadis:
  • Smart mobility
  • Green places
  • Energy transition
  • Climate adaptation

• Revenue growth of 4.1%
• Operating EBITA margin at 10.1%
• Good free cash flow of €75 million further strengthens balance sheet
• Organic backlog growth y-o-y of 3.1%
• Refinancing of syndicated credit facilities into a Sustainability-linked, Revolving Credit Facility of €500 million

• Organizing in three Global Business Areas: Resilience, Places and Mobility
• Commitment to accelerate the transition to a net zero world
  • Arcadis: net zero emissions by 2035
• Launch of Arcadis Global Sustainability Advisory Services
• Further improved ratings by Ecovadis and Sustainalytics

Delivering sustainable solutions to improve quality of life

Create greener operations and communities

Support L.A. in creating more sustainable mobility for the 2028 Olympics

Client: Los Angeles Metro's Environmental Compliance and Sustainability Department (ECSD)

8

Pursue net zero operations

Support real estate investors in developing net zero assets

Client: Various international commercial real estate investors Advancing our digital expertise and capabilities

Modernize wastewater infrastructure

Accelerate delivery and meet clients' regulatory deadlines by using Digital Twins

Client: The Chemung County Sewer District (CCSD), New York

© Arcadis 2021 | Q3 2021 Trading Update

11

Developing a noise forecasting app for wind turbines

Use real time data to improve and optimize design and operations

Client: RWE, Germany

Growing our business through focus & scale

Launch of Arcadis Global

Sustainability Advisory Services

Advising on clients' decarbonization strategy, energy savings and water treatment

Some of our clients: Akzo Nobel (The Netherlands), Transport for the North (UK), City of London Corporation (UK)

14

Launch of Arcadis cross -border Floods Task Force

Advising European clients on flood recovery and climate adaptation after the 2021 Summer Floods

Some of our clients:

Rijkswaterstaat (The Netherlands), Limburg Waterboard (The Netherlands), Kindergartens (Germany), and other confidential clients. Ongoing pursuits and tenders in Netherlands, Belgium and Germany

© Arcadis 2021 | Q3 2021 Trading Update 15

Part 2

Financial Results

Virginie Duperat | Chief Financial Officer

Strengthening the resilience of Singapore's Rail Network

Design of infrastructure depot for 70 trains

Client: PH Consulting Pte Ltd on behalf of China Jingye Engineering Corporation Ltd (Singapore Branch)

Revenue growth and quarterly margin improvement in 2021

Operating EBITA (margin)1) € millions, %

Net Working Capital (%)

Net Revenues and organic growth

EUR millions, %

Days Sales Outstanding

Days

Good organic revenue growth in all major markets

	Net Revenue	Organic growth
Americas	€222M (Q3'20: €218M)	3% change: 2% FX impact: -1%	• North America: continued growth in all business lines • Latin America: outstanding growth driven by infrastructure in Brazil
Europe & ME	€292M (Q3'20: €265M)	7% change: 10% FX impact: 3%	• UK: excellent growth driven by key clients in all business lines • Cont. Europe: steady growth and significant project wins • Middle East: expected and planned modest decline
Asia Pacific	€88M (Q3'20: €80M)	7% change: 10% FX impact: 2%	• Asia: return to good growth in Greater China • Australia: good growth benefitting from strong market position
Callison RTKL	€34M (Q3'20: €41M)	-17% change: -16% FX impact: 2%	• Revenue still under pressure due to impact COVID-19, especially in Asia
Total	€636M (Q3'20: €604M)	4.1% change: 5% FX impact: 1%

Year-to-date increase in revenue and margin and further strengthening of balance sheet

1) Net debt and Free Cash Flow are calculated based on IAS 17: lease liabilities are excluded

Wrap up Part 3

Peter Oosterveer | Chief Executive Officer

Maximizing Impact: Strategy 2021-2023

© Arcadis 2021 | Q3 2021 Trading Update 22

Summary

• Continued good performance

• Increased revenues, solid margin and healthy pipeline of opportunities
• Strengthening of balance sheet

• Positive business outlook

• Further increased demand for our services
  • Energy transition
  • Climate adaptation
  • Smart mobility
  • Green places

• On track to deliver strategic targets set for 2023