Convening for Vestas Wind Systems A/S' Annual General Meeting

To the shareholders of Vestas Wind Systems A/S

Pursuant to Article 4 of the Articles of Association, you are hereby convened for the Annual General Meeting of Vestas Wind Systems A/S on Thursday, 29 March 2012 at 2:00 p.m. (CET) at the Concert Hall (Musikhuset) Aarhus, Thomas Jensens Allé, 8000 Aarhus C, Denmark.