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 a report which Vestas Wind Systems A/S has received from one of the Executives on 1 September 2010. -------------------------------------------------------------------------------- | Name: | Torsten Erik Rasmussen | -------------------------------------------------------------------------------- | Position of Executive: | Deputy chairman of the Board of Vestas | | | Wind Systems A/S | -------------------------------------------------------------------------------- | Purchaser: | Morgan Management ApS | -------------------------------------------------------------------------------- | Issuer: | Vestas Wind Systems A/S | -------------------------------------------------------------------------------- | ID code: | DK0010268606 | -------------------------------------------------------------------------------- | Type of securities: | Shares | -------------------------------------------------------------------------------- | Type of transaction: | Purchase | -------------------------------------------------------------------------------- | Date of trading: | 1 September 2010 | -------------------------------------------------------------------------------- | Place of transaction: | NASDAQ OMX Copenhagen | -------------------------------------------------------------------------------- | Number of securities traded: | 2,000 | -------------------------------------------------------------------------------- | Market value (DKK) of securities | DKK 449,840.00 | | traded: | | -------------------------------------------------------------------------------- Any questions may be addressed to the Executive Management at Vestas Wind Systems A/S, telephone +45 9730 0000.