Rockwool

Transaction in Own Shares • Jul 15, 2020

Company announcement for ROCKWOOL International A/S Release no. 38 – 2020 to Nasdaq Copenhagen

15 July 2020

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

As mentioned in Announcement No. 2/2020 ROCKWOOL International A/S has initiated a share buy-back programme which will run from 6 February 2020 until 5 February 2021. During this period, the Company will buy own shares for up to a maximum of EUR 80 million.

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 8 – 14 July 2020:

Date	Number of A shares	Average purchase price A shares (DKK)	Aggregate amount, A shares (DKK)
[Accumulated, last	16,167		22,203,100
announcement]
8 July 2020	75	1,682.00	126,150
9 July 2020	100	1,690.60	169,060
10 July 2020	100	1,712.00	171,200
13 July 2020	100	1,755.00	175,500
14 July 2020	50	1,786.00	89,300
Accumulated under the	16,592		22,934,310
programme (A shares)

Date	Number of B shares	Average purchase price B shares (DKK)	Aggregate amount, B shares (DKK)
[Accumulated, last announcement]	216,775		308,123,908
8 July 2020	600	1,871.16	1,122,696
9 July 2020	500	1,888.00	944,000
10 July 2020	500	1,912.21	956,105
13 July 2020	500	1,966.87	983,435
14 July 2020	400	2,007.35	802,940
Accumulated under the	219,275		312,933,084
programme (B shares)

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

With the transactions stated above, ROCKWOOL International A/S owns 16,592 A shares and 285,703 B shares corresponding to 1.38 percent of the company's total share capital.

An overview showing the transaction data for the period 8 – 14 July 2020 is enclosed.

Further information: Thomas Harder

Director, Group Treasury & Investor Relations ROCKWOOL International A/S +45 46 55 86 77