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

Company announcement
for ROCKWOOL A/S
Release no. 59 – 2025
to Nasdaq Copenhagen

8 October 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 1 – 7 October 2025:

DateNumber of B sharesAverage purchase price
B shares (DKK)Aggregate amount,
B shares (DKK)[Accumulated, last announcement]2,927,500 805,535,5261 October 202520,000235.984,719,6002 October 202522,000232.315,110,8203 October 202522,000234.285,154,1606 October 202522,000234.735,164,0607 October 202522,000234.225,152,840Accumulated under the programme (B shares)3,035,500830,837,006

With the transactions stated above, ROCKWOOL A/S owns 3,482,356 B shares corresponding to 1.65 percent of the Company’s total share capital.

An overview showing the transaction data for the period 1 – 7 October 2025 is enclosed.

Further information:

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

Attachments

SE-2025-59_ENSE-2025-59_Transactions B shares