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

ROCKWOOL A/S

Company announcement
for ROCKWOOL A/S
Release no. 56 – 2025
to Nasdaq Copenhagen

17 September 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 10 – 16 September 2025:

Date Number of B shares Average purchase price
B shares (DKK) Aggregate amount,
B shares (DKK) [Accumulated, last announcement] 2,604,500 728,256,766 10 September 2025 24,000 243.98 5,855,520 11 September 2025 24,000 245.87 5,900,880 12 September 2025 23,000 243.18 5,593,140 15 September 2025 22,000 242.91 5,344,020 16 September 2025 20,000 239.19 4,783,800 Accumulated under the programme (B shares) 2,717,500 755,734,126

With the transactions stated above, ROCKWOOL A/S owns 3,164,356 B shares corresponding to 1.50 percent of the Company’s total share capital.

An overview showing the transaction data for the period 10 – 16 September 2025 is enclosed.

Further information:

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

Attachments

SE-2025-56_EN SE-2025-56_Transactions B shares

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