Announcement of Vestas Executives' trading with securities


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 20 August 2010 - 22 August 2010.                 

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| Name:                             | Klaus Steen Mortensen                    |
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| Position of Executive:            | President, Vestas Northern Europe        |
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| Issuer:                           | Vestas Wind Systems A/S                  |
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| ID code:                          | DK0010268606                             |
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| Type of securities:               | Shares                                   |
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| Type of transaction:              | Purchase                                 |
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| Date of trading:                  | 19 August 2010                           |
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| Place of transaction:             | NASDAQ OMX Copenhagen                    |
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| Number of securities traded:      | 999                                      |
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| Market value (DKK) of securities  | DKK 248,651.10                           |
| traded:                           |                                          |
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| Name:                             | Kim Hvid Thomsen                         |
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| Position of Executive:            | Member of the Board, Vestas Wind Systems |
|                                   | A/S                                      |
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| Issuer:                           | Vestas Wind Systems A/S                  |
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| ID code:                          | DK0010268606                             |
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| Type of securities:               | Shares                                   |
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| Type of transaction:              | Purchase                                 |
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| Date of trading:                  | 20 August 2010                           |
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| Place of transaction:             | NASDAQ OMX Copenhagen                    |
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| Number of securities traded:      | 420                                      |
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| Market value (DKK) of securities  | DKK 99,792.00                            |
| traded:                           |                                          |
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| Name:                             | Kim Hvid Thomsen                         |
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| Position of Executive:            | Member of the Board, Vestas Wind Systems |
|                                   | A/S                                      |
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| Related party:                    | Jette Ulrich Thomsen                     |
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| Issuer:                           | Vestas Wind Systems A/S                  |
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| ID code:                          | DK0010268606                             |
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| Type of securities:               | Shares                                   |
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| Type of transaction:              | Purchase                                 |
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| Date of trading:                  | 20 August 2010                           |
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| Place of transaction:             | NASDAQ OMX Copenhagen                    |
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| Number of securities traded:      | 64                                       |
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| Market value (DKK) of securities  | DKK 15,206.40                            |
| traded:                           |                                          |
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| Name:                             | Henrik Hald Hellmuth                     |
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| Position of Executive:            | Senior Vice President, Group Treasurer,  |
|                                   | Group Treasury                           |
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| Issuer:                           | Vestas Wind Systems A/S                  |
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| ID code:                          | DK0010268606                             |
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| Type of securities:               | Shares                                   |
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| Type of transaction:              | Purchase                                 |
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| Date of trading:                  | 20 August 2010                           |
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| Place of transaction:             | NASDAQ OMX Copenhagen                    |
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| Number of securities traded:      | 1,000                                    |
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| Market value (DKK) of securities  | DKK 236,800.00                           |
| traded:                           |                                          |
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| Name:                             | Peter C. Brun                            |
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| Position of Executive:            | Senior Vice President, Group Government  |
|                                   | Relations                                |
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| Issuer:                           | Vestas Wind Systems A/S                  |
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| ID code:                          | DK0010268606                             |
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| Type of securities:               | Shares                                   |
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| Type of transaction:              | Purchase                                 |
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| Date of trading:                  | 20 August 2010                           |
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| Place of transaction:             | NASDAQ OMX Copenhagen                    |
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| Number of securities traded:      | 633                                      |
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| Market value (DKK) of securities  | DKK 149,601.00                           |
| traded:                           |                                          |
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Any questions may be addressed to the Executive Management at Vestas Wind       
Systems A/S, telephone +45 9730 0000.

Attachments

100823-intuk-11.pdf