Vestas Wind Systems — M&A Activity 2016

Mar 1, 2016

Company announcement from Vestas Wind Systems A/S

Aarhus, 1 March 2016 Company announcement No. 9/2016 Page 1 of 1

Vestas completes acquisition of Availon Holding GmbH

Final closing of the acquisition of Availon Holding GmbH has now taken place.

Following the approval from all relevant authorities, Vestas has today, as expected, completed the acquisition of Availon Holding GmbH, a leading European independent service provider, ref. company announcement No. 2/2016 of 20 January 2016.

Availon will from today be included in Vestas' financials. The outlook for 2016 is maintained as the acquisition was incorporated in previously announced expectations.

Contact details Hans Martin Smith, Senior Vice President, Investor Relations Vestas Wind Systems A/S, Denmark Tel: +45 9730 8209

Vestas Wind Systems A/S Hedeager 42, 8200 Aarhus N, Denmark Tel: +45 9730 0000, Fax: +45 9730 0001, vestas@vestas.com, www.vestas.com Bank: Nordea Bank Danmark A/S, Reg. No.: 2100, Account No.: DKK 0651 117097 - EUR 5005 677997 Company Reg. No.: 10 40 37 82 Company Reg. Name: Vestas Wind Systems A/S