ARNHEM, THE NETHERLANDS – October 20, 2005 – ARCADIS (NASDAQ: ARCAF, EURONEXT: ARCAD), an international consulting and engineering company, announced today that the recently announced sharpening of its strategy has led to a number of new appointments at the company.
In the field of rail infrastructure Mr. Pierre-Louis Rochet was appointed Global Director Rail, responsible for further strengthening and expanding the international position of the company in this market. Earlier in his career Mr. Rochet held the position of CEO at French railway consultancy Systra and at Groupe EGIS. He will be assisted in his new position by Bas Bollinger who has been appointed Business Development Director Rail.

Mr. Erhard Robold was appointed European Director Environment. In this position, he will be responsible for the environmental activities in Europe, among which the implementation of the GRiP® program for soil and groundwater remediation against a fixed price. Until now, Erhard Robold was director of ARCADIS Deutschland GmbH. He will be succeeded in this position by Mr. Ulrich Behr. Mr. Behr has made his career in the construction sector and will be responsible for all of the company's operations in Germany.

Additional appointments in the area of infrastructure are those of Mr. Michel Moussard to leader of the international knowledge center for bridges, which is located in France and of Mr. Pascal Guédon to international coordinator of the knowledge network for tunnels which will be operating from several countries.

ARCADIS CEO Harrie Noy about the appointments: "By appointing these experts with extensive experience in their fields of activity, we make an important step in the implementation of our strategy aimed at further growth in the rail infrastructure and environmental markets."

ARCADIS is an international company providing consultancy, engineering and management services in infrastructure, environment and facilities, to enhance mobility, sustainability and quality of life. ARCADIS develops, designs, implements, maintains and operates projects for companies and governments. With more than 10,000 employees and over € 1 billion in gross revenue, the company has an extensive international network that is supported by strong local market positions. 

Except for historical information contained herein, the statements in this release are forward-looking statements that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties that may cause the company's actual results in future periods to differ materially from forecasted results. Those risks include, among others, risks associated with possible changes in environmental legislation and risks with regard to the Company's ability to acquire and execute projects. These are other risks are described in ARCADIS' filings with the Securities and Exchange Commission over the last 12 months, copies of which will be available from the SEC or may be obtained upon request from the Company.