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, 21 March 2013 at 1:00 p.m. (CET) at the Concert Hall Aarhus (Musikhuset Aarhus), Thomas Jensens Allé, 8000 Aarhus C, Denmark.