ARCADIS First Quarter 2010 Results Available Live via Webcast

Scheduled for Friday, May 7, 2010

ARNHEM, The Netherlands, April 27, 2010 - ARCADIS (Euronext: ARCAD) intends to release its first quarter results
2010 on Friday, May 7, 2010 before the opening of the NYSE Euronext Amsterdam
exchange. On the same day, ARCADIS will hold an analyst conference call
starting at 9.00 AM Eastern time. The event will be broadcast live via
webcast. During this event, CEO Harrie Noy 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, water, environment and
buildings. We enhance mobility, sustainability and quality of life by
creating balance in the built and natural environment. ARCADIS develops,
designs, implements, maintains and operates projects for companies and
governments. With 15,000 employees and EUR 1.8 billion in revenues, the
company has an extensive international network supported by strong local
market positions. ARCADIS supports UN-HABITAT with knowledge and expertise to
improve the quality of life in rapidly growing cities around the world. Visit
us at: 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