AMSTERDAM, The Netherlands, July 10 /PRNewswire-FirstCall/ -- ARCADIS (EURONEXT: ARCAD), the international consultancy, design, engineering and management services company, has finalized the previously announced merger with Malcolm Pirnie, the White Plains, New York based company active in water and environmental consulting and engineering. All internal shareholders, representing 100% of the share capital of Malcolm Pirnie, voted in favor of the merger, showing that this major step is fully supported by management and senior staff of the company. Malcolm Pirnie, now a wholly-owned subsidiary of ARCADIS U.S., has more than 1,700 employees with 2008 gross revenues of $392 million (EUR280 million). The financial terms of the transaction were disclosed on June 25, 2009 and can be found on the investors and press section of ARCADIS' website at http://www.arcadis-global.com/. Commenting on the merger, ARCADIS CEO Harrie Noy said: "I am very pleased with the acceptance of our merger offer by all of the Malcolm Pirnie shareholders. This step makes us a major player in the highly attractive global water market and strongly enhances our position in infrastructure and environment, while providing a better balance in our public and private sector client mix in the U.S. In addition, we expect significant business and operational synergies. I wholeheartedly welcome the Malcolm Pirnie people to ARCADIS and feel excited about the increased opportunities created by our combined future." William P. Dee, President & CEO of Malcolm Pirnie added: "The broad support among our shareholders and staff signifies the strategic relevance of this bold step. By joining ARCADIS we create a world leader in water-related consulting and engineering services, with a global platform that allows us to expand our services internationally. Broadening our services and geography fits very well with our philosophy of 'clients first' and greatly enhances opportunities for our staff. We look forward to working with the people of ARCADIS to create solutions for life, here - and throughout the world." About ARCADIS ARCADIS is an international company providing consultancy, design, engineering and management services in infrastructure, environment and buildings, to enhance mobility, sustainability and quality of life. ARCADIS develops, designs, implements, maintains and operates projects for companies and governments. With more than 13,500 employees and over EUR 1.7 billion in gross revenues, the company has an extensive international network that is supported by strong local market positions. Visit us on the internet: http://www.arcadis-global.com/ About Malcolm Pirnie Malcolm Pirnie Inc, is a century -old environmental consulting firm, provides governmental and industrial clients with comprehensive services in water and wastewater engineering, solid and hazardous waste management, environmental sciences and, through its Red Oak Consulting Division, a wide range of management and IT consulting services. With a diversified staff of over 1700 engineers, scientists and consultants in 60+ offices, Pirnie has won over 200 professional awards for project excellence. For more information visit http://www.pirnie.com/. DATASOURCE: ARCADIS NV CONTACT: For more information please contact: Joost Slooten of ARCADIS at +31-26-3778604 or outside office hours at +31-6-27061880, or e-mail at

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