Rockwool

Transaction in Own Shares • Jun 26, 2024

Company announcement for ROCKWOOL A/S Release no. 35 – 2024 to Nasdaq Copenhagen

26 June 2024

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

As mentioned in announcement no. 02/2024, ROCKWOOL A/S has initiated a share buy-back programme which will run from 8 February 2024 until 7 February 2025. During this period, the Company will buy own shares for up to a maximum of 160 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 19 – 25 June 2024:

Date	Number of B shares	Average purchase price B shares (DKK)	Aggregate amount, B shares (DKK)
[Accumulated, last	207,900		484,700,629
announcement]
19 June 2024	2,000	2,851.97	5,703,940
20 June 2024	2,000	2,850.28	5,700,560
21 June 2024	2,200	2,764.71	6,082,362
24 June 2024	2,000	2,758.67	5,517,340
25 June 2024	2,000	2,768.09	5,536,180
Accumulated under the	218,100		513,241,011
programme (B shares)

With the transactions stated above, ROCKWOOL A/S owns 271,983 B shares corresponding to 1.26 percent of the Company's total share capital.

An overview showing the transaction data for the period 19 – 25 June 2024 is enclosed.

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

ROCKWOOL A/S Hovedgaden 584, DK-2640 Hedehusene, Denmark T (+45) 46 56 03 00 E info@rockwool.com