Company Announcement:

Transactions in connection with share buy-back programme 7-13 May 2026

Vestas Wind Systems A/S, Aarhus, 13 May 2026
Company Announcement No. 27/2026

On 6 May 2026, Vestas announced the initiation of a share buy-back programme, cf. Company Announcement No. 21/2026. The programme is implemented in accordance with Regulation No. 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (MAR) and the Commission Delegated Regulation (EU) 2016/1052 (the "Safe Harbour Regulation”).

Prior to the share buy-back, Vestas held 10,045,201 treasury shares, equal to 1.0 percent of the share capital.

Under the programme, Vestas will buy back shares for an amount up to DKK 747m (approx. EUR 100m) in the period from 7 May 2026 and until no later than 11 August 2026.

The following transactions have been made under the programme during the period 7 May to 13 May 2026:

Number of
shares
Weighted average purchase price, DKKTransaction value,
DKK
Previously accumulated under the programme---
Transactions during the period:
07 May 2026:70,000194.9413,645,625.00
08 May 2026:70,000193.5113,545,385.00
11 May 2026:70,000195.6113,692,952.00
12 May 2026:80,000192.0415,363,160.00
13 May 2026:80,000191.9315,354,192.00
Total accumulated during the week370,000193.5271,601,314.00
Total accumulated under the programme370,000193.5271,601,314.00

Details of all the transactions relating to the share buy-back programme during the period are presented in the attached appendix.

Contact details
Vestas Wind Systems A/S, Denmark

Daniel Patterson, Vice President
Investor Relations
Tel: +45 2669 2725

Frederik Holm Jacobsen, Senior Specialist
Investor Relations
Tel: +45 2835 3365