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 have received from some of the Executives on 18 August 2010. -------------------------------------------------------------------------------- | Name: | Sussie Dvinge Agerbo | -------------------------------------------------------------------------------- | 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 2010 | -------------------------------------------------------------------------------- | Place of transaction: | Nasdaq OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 600 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 149,400.00 | | traded: | | -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- | Name: | Kurt Anker Nielsen | -------------------------------------------------------------------------------- | 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 2010 | -------------------------------------------------------------------------------- | Place of transaction: | Nasdaq OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 1,000 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 237,600.00 | | traded: | | -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- | Name: | Kurt Anker Nielsen | -------------------------------------------------------------------------------- | Position of Executive: | Member of the Board, Vestas Wind Systems | | | A/S | -------------------------------------------------------------------------------- | Related party: | KAN aps | -------------------------------------------------------------------------------- | Issuer: | Vestas Wind Systems A/S | -------------------------------------------------------------------------------- | ID code: | DK0010268606 | -------------------------------------------------------------------------------- | Type of securities: | Shares | -------------------------------------------------------------------------------- | Type of transaction: | Purchase | -------------------------------------------------------------------------------- | Date of trading: | 18 August 2010 | -------------------------------------------------------------------------------- | Place of transaction: | Nasdaq OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 500 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 123,150.00 | | traded: | | -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- | Name: | Kurt Anker Nielsen | -------------------------------------------------------------------------------- | Position of Executive: | Member of the Board, Vestas Wind Systems | | | A/S | -------------------------------------------------------------------------------- | Related party: | Susanne Nielsen | -------------------------------------------------------------------------------- | Issuer: | Vestas Wind Systems A/S | -------------------------------------------------------------------------------- | ID code: | DK0010268606 | -------------------------------------------------------------------------------- | Type of securities: | Shares | -------------------------------------------------------------------------------- | Type of transaction: | Purchase | -------------------------------------------------------------------------------- | Date of trading: | 18 August 2010 | -------------------------------------------------------------------------------- | Place of transaction: | Nasdaq OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 1,450 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 339,300.00 | | traded: | | -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- | 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: | 18 August 2010 | -------------------------------------------------------------------------------- | Place of transaction: | Nasdaq OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 500 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 128,150.00 | | traded: | | -------------------------------------------------------------------------------- Any questions may be addressed to the Executive Management at Vestas Wind Systems A/S, telephone +45 9730 0000. Yours sincerely Vestas Wind Systems A/S Ditlev Engel President and CEO