Arcadis N.V.: Arcadis re-appoints Peter Oosterveer as Chief Executive Officer and appoints Carla Mahieu as member of the Supervisory Board Executive Board re-appointment: Peter Oosterveer was re-appointed as Chief Executive Officer and Chair of the Executive Board of Arcadis for a period of four years. Supervisory Board (re-)appointments: Carla Mahieu was appointed as member of the Supervisory Board of Arcadis for a period of four years. Niek Hoek was re-appointed as member of the Supervisory Board for a period of two years. Mr. Hoek will continue in his role as Chair of the Supervisory Board of Arcadis. Wee Gee Ang was re-appointed as member of the Supervisory Board for a period of four years.