ROCKWOOL A/S – transactions in connection with share buy-back programme

Company announcementfor ROCKWOOL A/SRelease no. 23 – 2025to Nasdaq Copenhagen 16 April 2025 ROCKWOOL A/S – transactions in connection with share buy-back programme As mentioned in announcement no. 07/2025, ROCKWOOL A/S has initiated a share buy-back programme which will run from 7 February 2025 until 5 February 2026. During this period, the Company will buy own shares for up to a maximum of 150 MEUR. The programme is implemented in accordance with EU Commission Regulation No 596/2014 of 16 April