ARCADIS Fourth Quarter/Full Year 2009 Results

Available Live via Webcast

AMSTERDAM, February 19, 2010 - ARCADIS (Euronext: ARCAD) intends to release its fourth quarter/full year
results on Monday, March 8, 2010 before the opening of the NYSE Euronext
Amsterdam exchange. On the same day, ARCADIS will host an analyst meeting and
conference call for financial analysts starting at 15.00 CET (9.00 AM Eastern
time). The event will be broadcast live via webcast. During this event, CEO
Harrie Noy and CFO Ben van der Klift will provide insight into the results.

Viewers and listeners can access the event through a link in the investor
relations section of ARCADIS' website at www.arcadis.com/investors.
Please allow 15 minutes prior to the event to visit the website to download
and install any necessary software. An archived edition of the webcast will
be available on the ARCADIS website.

About ARCADIS:

ARCADIS is an international company providing consultancy, design,
engineering and management services in infrastructure, environment and
buildings, to enhance mobility, sustainability and quality of life. ARCADIS
develops, designs, implements, maintains and operates projects for companies
and governments. With more than 15,000 employees and EUR 2 billion in gross
revenues, the company has an extensive international network that is
supported by strong local market positions. Visit us on the internet:
www.arcadis.com

PRN NLD

For more information, contact: Joost Slooten of ARCADIS NV at +31-26-3778604 outside regular office hours please call +31-6-2706-1880; email: joost.slooten at arcadis.com