ARCADIS Appoints Nicolas Simonin as CEO for ARCADIS in France

ARNHEM, The Netherlands - ARCADIS (EURONEXT: ARCAD), the international design, consulting, engineering and management services company, today announced that as per April 20, 2009, Mr Nicolas Simonin has been appointed to the position of CEO of the French operations of ARCADIS. In that role he succeeds Yann Leblais, who assumed the position of Global Director Infrastructure for ARCADIS earlier this year.

Mr Simonin, a Frenchman, has held several management positions at Jacobs, a U.S. based consulting engineering firm. His last position was with Jacobs Southern Europe where he was Vice-President of Business Development for France, Belgium, Spain, Italy and Morocco. Mr Simonin is a mechanical engineer with extensive experience in the international consulting and engineering field, particularly in chemicals, manufacturing, oil and gas, as well as energy and hospitals. He was also a member of the Board of Jacobs France.

“We are pleased that Nicolas Simonin has accepted the opportunity to lead our French operations,” says ARCADIS Executive Board member Friedrich Schneider, responsible for France. “He has excellent experience in working with private sector clients in a number of important industries. With this knowledge he complements the already strong relationships we have with public sector clients in France.”

Visit us on the internet at: www.arcadis-global.com

About us:

ARCADIS is an international company providing consultancy, design, engineering and management services in the field of infrastructure, environment and buildings. We aim to 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 more than 14,000 employees and over EUR 1.7 billion in gross revenue, the company has an extensive international network that is supported by strong local market positions.

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Source: ARCADIS NV

For more information contact: Mark Zellenrath of ARCADIS at +31-26-3778348 or outside office hours at +31-6-507-36265 or e-mail at m.c.zellenrath at arcadis.nl .