The contents of this file are qualified in their entirety by reference to the unabridged version of the Grontmij Annual Report 2010. This document only contains a selection of the Annual Report and audited Financial Statements 2010 of Grontmij N.V. The unabridged version of the Grontmij Annual Report 2010, from which this information has been derived, can be downloaded in the download section of this online annual report or at www.grontmij.com