Rockwool

Transaction in Own Shares • Feb 12, 2025

Company announcement for ROCKWOOL A/S Release no. 08 – 2025 to Nasdaq Copenhagen

12 February 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 7 – 11 February 2025:

Date	Number of B shares	Average purchase price B shares (DKK)	Aggregate amount, B shares (DKK)
[Accumulated, last
announcement]	0		0
7 February 2025	2,500	2,773.14	6,932,850
10 February 2025	2,500	2,645.80	6,614,500
11 February 2025	2,300	2,670.93	6,143,139
[dato]			0
[date]
Accumulated under the programme (B shares)	7,300		19,690,489

With the transactions stated above, ROCKWOOL A/S owns 521,313 B shares corresponding to 2.41 percent of the Company's total share capital.

An overview showing the transaction data for the period 7 – 11 February 2025 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