Infrastructure buildings environment communications Results second quarter and first half 2002 By Harrie Noy, Chairman Executive Board Amsterdam, The Netherlands,

infrastructure

buildings environment

communications

Results second quarter and first half 2002

By Harrie Noy, Chairman Executive Board

Amsterdam, The Netherlands, August 13, 2002

ARCADIS continues profit growth half year 2002 Net income from operations: +8%

Gross revenue

Growth +3%

Operational margin

Operating income + 13%

Margin rises from 6.3% to 7.2%

Earnings per share

Increase 8% to € 0.52

Results satisfactory given economy

Income 2nd quarter 2002: € 6.7 mln

Gross revenue

Operating income

Net income from operations * Net income f/ operations per

share

Net income from operations

excluding exchange rate effects

*) After goodwill: EUR 0.1 mln

2001

201

11.3

6.3

0.31

2002

202

12.6

6.7

0.33

Growth

0%

11%

7%

11%

11%

Strong effect from exchange rate declines (real, dollar)

Income 1st half 2002: € 10.6 mln

Gross revenue

Operating income

Net income from operations * Net income f/ operations per

share

Net income from operations

excluding exchange rate effects

*) After goodwill: EUR 0.1 mln

2001

382

18.0

9.9

0.49

2002

395

20.3

10.6

0.52

Growth

3%

13%

8%

8%

10%

Sources of growth 2002

Total

- Autonomous

- Acquisitions/divestments

- Exchange rates

- Autonomous excl. effect real estate valuations

First half year

3%

5%

-1%

-1%

6%

Gross revenueSecond quarter

0%

4%

-1%

-3%

5%

Important developments

Autonomous growth at a good level

Growth mainly in Latin-America, Spain, Belgium

Infrastructure strong around the world

Environment continues growth in U.S.

Gross revenues U.S. slightly lower

Integration Dutch operations positive effects

Development operating income

In euro mln

12.6 13.1

16.318.0

20.3

0

5

10

15

20

25

1998 1999 2000 2001 2002

First half year11%8% 4% 24% 13%

Development net income and EPS (excl. extraordinary items)

6.57.2

8.89.9

10.6

0

2

4

6

8

10

12

1998 1999 2000 2001 2002

First half year+5% +11% +21% +13% +8%

0.90

0.60

0.30

0.00

In euro

0.45

0.15

0.75

In mln euro

0.340.38

0.440.49

0.52

Net income

Balance sheet

1.5

0.90.7

0.0

0.5

1.0

1.5

2.0

2000 2001 2002

Debt / EBITDA

34.6%

41.5% 43.6%

0%

10%

20%

30%

40%

50%

2000 2001 2002

Solvency

Healthy balance sheet

Equity somewhat lower

resulting from exchange rate

effects

Temporary pressure solvency

through purchase of own shares

Low leverage limits interest

burden

Enough room for acquisitions

also after French takeover

Gross revenue: Market segments half year 2002

0

50

100

150

200

250

2000 2001 2002

Buildings -/-8%

0

50

100

150

200

250

2000 2001 2002

Infrastructure +13%

0

50

100

150

200

250

2000 2001 2002

Environment +2%

0

50

100

150

200

250

2000 2001 2002

Communications -/-16%

Infrastructure +13%

Netherlands: besides high speed

and Betuwelijn, also Hanzelijn

Start ring Antwerp

Large assignments Spain related

to investment program

Growth U.S. despite some

market pressure

Energy projects Brazil provide

strong growth

Position rail infra Chili

HSL projects Spain

Environment +2%

Autonomous growth 4%

Fully attributable to U.S.

U.S. GRIP™ projects for DOD

Brazil growth through Hydro

Ambiente

Environment as entry point for

expansion services to industry

Buildings –8%

Decline in U.S. and Netherlands

Continued growth in Spain and

Belgium

Netherlands: decline office

market + recudtion less

profitable work

U.S. almost stable vs. Q4 2001

Two large assignments U.S.

automotive industryRijksmuseum Amsterdam

Communications –16%

Decline from real estate

valuation and telecom

Telecom stable vs. Q4 2001

Focus telecom on higher

margin projects:

First mile Deventer

Antenna’s on rail portals

GIS-market continues growth

(+22%)

Gross revenue: Regions

0

50

100

150

200

2000 2001 2002

NL +3%(ex. real estate +6%)

0

50

100

150

200

2000 2001 2002

America's +1% (aut. +3%)

0

50

100

150

200

2000 2001 2002

Other countries +13%

0

50

100

150

200

2000 2001 2002

Other Europe +7%

Acquisitions

Spain (in Q2, 2002) Casta, gross revenue EUR 4 mln

Manage senior citizen housing and services

Growth market in Spain

France (after Q2, 2002)

FCI, gross revenue EUR 60 mln; 800 employees

80% infrastructure; 20% environment

Home market position in France (top 5)

Positive effect on earnings per share

Outlook market

Infrastructure Market demand stays at good level

Environment Opportunities for growth in U.S. Revenue gets long-term character through GRIPTM

Buildings Better order book U.S. Market recovery depends on economy

Communications No recovery in telecom before 2004 Result from abolishment real estate tax limited

Outlook 2002

Lower autonomous growth in second half Insecurity economic recovery

Earlier revenue decline buildings/communications

Exchange rates: negative translation effect

Compensation from contribution acquisitions

Further margin improvement

Depending on economic recovery net income 5-10%

higher

Barring: unforeseen circumstances

infrastructure, buildings, environment, communications

Part of a bigger picture