Vestas has received information from BlackRock Investment Management (UK) Limited, 33 King William Street, London EC4R 9AS, UK that BlackRock, Inc. as per 8 April 2010 has increased their holding of Vestas shares from 10,165,460 (ref. company announcement No. 16/2010 of 9 April 2010) to 10,198,545 shares (5.01 per cent). Contact details: Vestas Wind Systems A/S, Denmark Peter W Kruse, Senior Vice President, Group Communications Telephone +45 9730 0000