ROCKWOOL A/S Transactions In Connection With Share Buy-Back Programme

(MENAFN- GlobeNewsWire - Nasdaq) Company announcement
for ROCKWOOL A/S
Release no. 07 – 2026
to Nasdaq Copenhagen

4 February 2026

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 28 January – 3 February 2026:

Date	Number of B shares	Average purchase price B shares (DKK)	Aggregate amount, B shares (DKK)
[Accumulated, last announcement]	4,339,500		1,117,471,696
28 January 2026	7,060	216.12	1,525,807
Accumulated under the programme (B shares)	4,346,560		1,118,997,503

With the transactions stated above, ROCKWOOL A/S owns 4,793,416 B shares corresponding to 2.27 percent of the Company's total share capital.

An overview showing the transaction data for the period 28 January – 3 February 2026 is enclosed.

This concludes the share buy-back programme.

Further information:

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

Attachments

• SE-2026-07_EN
• SE-2026-07_Transactions B shares

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