May 9, 2007 – Charleston, S.C. ARCADIS (NASDAQ: ARCAF, EURONEXT: ARCAD) is pleased to announce that Matt Randall has joined our talented team as engineering land resources manager in our Charleston, S.C. office.

In his new position Randall is responsible for managing a variety of professionals including Computer Aided Design (CAD) technicians in the development of engineering plans for ARCADIS’ land development clients.

“Matt brings in-depth leadership and technical knowledge to our talented land resources team,” said Sam Hayes, associate vice president.  “As our offerings and project needs grow in the Charleston area, Matt’s exceptional experience allows for continued growth and expansion of this division and we are better prepared to deliver excellence to our clients.”

As a professional engineer, Randall adds to the accomplished ARCADIS team’s extensive knowledge in residential and commercial site design. He has worked directly with clients in both the public and private sectors and with local, state and federal permitting agencies.

With broad experience in all phases of design and build out of commercial, retail and residential projects he has served as project manager for several local projects including; Carolina Park, Hibben at Belle Hall Plantation, Foxbank Plantation, and the College of Charleston Science Center.

Randall holds a bachelor’s in environmental engineering from Roger Williams University, R.I. He is a member of the American Society of Civil Engineers.

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 11,000 employees and over $1.7 billion in gross revenue, the company has an extensive international network that is supported by strong local market positions.