Vestas Wind Systems A/S share buy-back transactions 23–29 April 2026 Aarhus, Denmark; Cap: DKK 1,120m

Vestas Wind Systems A/S share buy-back transactions 23–29 April 2026 Aarhus, Denmark; Cap: DKK 1,120m

Transactions in connection with share buy-back programme 23–29 April 2026

12:20 CEST • 30 Apr 2026

Transactions in connection with share buy-back programme 23–29 April 2026

S, Aarhus, 30 April 2026Company Announcement No. 18

On 5 February 2026, Vestas announced the initiation of a share buy-back programme, cf. Company Announcement No. 02

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 19,449,943 treasury shares, equal to 1.9 percent of the share capital.

Under the programme, Vestas will buy back shares for an amount up to DKK 1,120m (approx. EUR 150m) in the period from 6 February 2026 and until no later than 5 May 2026.

The following transactions have been made under the programme during the period 23 to 29 April 2026

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

Contact detailsVestas Wind Systems A

Daniel Patterson, Vice PresidentInvestor RelationsTel: +45 2669 2725

Frederik Holm Jacobsen, Senior SpecialistInvestor RelationsTel: +45 2835 3365

SHedeager 428200 Aarhus N, Denmark+45 97 30 00 00Company reg. no. 10403782