DENVER, Colo. – April 12, 2007 – ARCADIS (NASDAQ: ARCAF, EURONEXT: ARCAD) is very pleased to announce expansion of our southern California operations with the opening of offices in La Quinta and Carlsbad, California. In keeping with our core value of client focus by having a local presence and strong knowledge of local conditions, ARCADIS currently has 3,500 employees in 125 offices throughout the United States. The address of the Palm Desert office is 47-110 Washington Street, Suite 204, La Quinta, California 92253. Our Carlsbad office is conveniently located at 1925 Palomar Oaks Way #105, Carlsbad, California 92008.

“There is great potential in the southern California market for our land resource, water resources, environmental and transportation services. With the experience that ARCADIS has in all of these areas, we are confident of continued growth and success. Our clients will benefit greatly from the experience our team has in managing and evaluating projects, dealing with municipalities and establishing solid community relations,” said Janet Peters, Vice President for ARCADIS.

Managing the Carlsbad and La Quinta office is Bruce Lang. With more than 30 years of professional experience in managing building and development projects across the US, Lang’s diverse experience has included master planned communities, and office, medical, industrial, bio/medical, and high-rise development. 

Playing key roles in expanding ARCADIS’ consulting practice in southern California is Pieter de Monchy, John Majocha and Toni Ringlein. Pieter de Monchy has 30 years experience in engineering and land development in southern California.

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 $1.5 billion in gross revenue, the company has an extensive international network that is supported by strong local market positions.