Vestas Wind Systems A/S: Announcement of Vestas Executives' trading with securities

Randers, Denmark, 2011-08-19. In accordance with section 28 a of the Danish Securities Trading Act, Vestas Wind Systems A/S is required to publish information regarding trading in Vestas Wind Systems A/S shares and securities by Executives and persons closely associated with an Executive. The statement is based on reports which Vestas Wind Systems A/S has received from some of the Executives on 18 August 2011.

Name: Søren Husted
Position of Executive: President, Vestas Nacelles
Issuer: Vestas Wind Systems A/S
ID code: DK0010268606
Type of securities: Shares
Type of transaction: Purchase
Date of trading: 17 August 2011
Place of transaction: NASDAQ OMX Copenhagen
Number of securities traded: 2,000
Market value (DKK) of securities traded: DKK 223,800.00

Name: Kim Hvid Thomsen
Position of Executive: Member of the Board, Vestas Wind Systems A/S
Issuer: Vestas Wind Systems A/S
ID code: DK0010268606
Type of securities: Shares
Type of transaction: Purchase
Date of trading: 18 August 2011
Place of transaction: NASDAQ OMX Copenhagen
Number of securities traded: 950
Market value (DKK) of securities traded: DKK 99,750.00

Any questions may be addressed to the Executive Management at Vestas Wind Systems A/S, telephone +45 9730 0000.