Major shareholder announcement - BlackRock, Inc.

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