Vestas Wind Systems — Major Shareholding Notification 2009

Mar 12, 2009

Company announcement from Vestas Wind Systems A/S

Randers, 12 March 2009 Company announcement No. 5/2009 Page 1 of 1

Major shareholder announcement – ATP and ATP Invest

On 11 March 2009, Vestas received information from ATP that ATP and ATP Invest, Kongens Vænge 8, 3400 Hillerød, Denmark have reduced their holdings of Vestas shares from 9,515,496 shares (announced on 27 October 2008) to 9,203,229 shares (4.97 per cent).

Yours sincerely Vestas Wind Systems A/S

Ditlev Engel President and CEO

Contact details: Vestas Wind Systems A/S, Denmark Peter W Kruse, Senior Vice President, Group Communications Telephone +45 9730 0000