Vestas Wind Systems — Director's Dealing 2008

May 16, 2008

OMX Nordic Exchange Copenhagen Nikolaj Plads 6 1067 Copenhagen K Denmark

Randers, 16 May 2008 Insiders' trading - announcement No. 4/2008 Page 1 of 1

Announcement of Vestas Executives' trading with securities

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 15 May 2008.

Name:	Thorbjørn Rasmussen
Position of Executive:	President of Vestas Asia Pacific
Person closely associated:	Marianne Gamborg Rasmussen
Issuer:	Vestas Wind Systems A/S
ID code:	DK0010268606
Type of securities:	Shares
Type of transaction:	Sale
Date of trading:	15 May 2008
Place of transaction:	OMX Nordic Exchange Copenhagen
Number of securities traded:	4,534
Market value (DKK) of securities traded:	2,711,332.00

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