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

Company announcement
for ROCKWOOL A/S
Release no. 63 – 2025
to Nasdaq Copenhagen

5 November 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 2014 and EU Commission Delegated Regulation No 2016/1052 of 8 March 2016, which together constitute the “Safe Harbour” regulation.

The following transactions have been executed during the period 29 October – 4 November 2025:

DateNumber of B sharesAverage purchase price
B shares (DKK)Aggregate amount,
B shares (DKK)[Accumulated, last announcement]3,317,500 896,823,40629 October 202518,000230.174,143,06030 October 202520,000226.944,538,80031 October 202522,000223.164,909,520 3 November 202522,000221.644,876,080 4 November 202522,000220.444,849,680Accumulated under the programme (B shares)3,421,500920,140,546

With the transactions stated above, ROCKWOOL A/S owns 3,868,356 B shares corresponding to 1.83 percent of the Company’s total share capital.

An overview showing the transaction data for the period 29 October – 4 November 2025 is enclosed.

Further information:

Kim Junge Andersen
Senior Vice President, CFO
ROCKWOOL A/S
+45 46 55 80 15

Attachments

SE-2025-63_ENSE-2025-63_Transactions B shares