Rockwool

Director's Dealing • Aug 21, 2025

Company announcement for ROCKWOOL A/S Release no. 51 – 2025 to Nasdaq Copenhagen

21 August 2025

Report on transactions of executives and related parties in ROCKWOOL A/S shares

ROCKWOOL A/S has received and hereby provides notification pursuant to article 19 of regulation (EU) no. 596/2014 of the below transactions related to shares in ROCKWOOL A/S made by persons discharging managerial responsibilities and/or persons closely related with them.

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Thomas Kähler
2	Reason for the notification
a)	Position/status	Chairman of the Board of Directors
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	A shares (DK0063855085)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s) 242.81 DKK	Volume(s) 24,600
d)	Aggregated information - Aggregated volume - Price	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

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

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Christian Juel Kähler
2	Reason for the notification
a)	Position/status	Person closely associated with Thomas Kähler, Chairman of the Board of Directors of ROCKWOOL A/S
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	A shares (DK0063855085)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s) 242.82 DKK	Volume(s) 730
d)	Aggregated information - Aggregated volume - Price	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Helena Juel Kähler
2	Reason for the notification
a)	Position/status	Person closely associated with Thomas Kähler, Chairman of the Board of Directors of ROCKWOOL A/S
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	A shares (DK0063855085)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s) 242.82 DKK	Volume(s) 730
d)	Aggregated information - Aggregated volume - Price	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Valdemar Juel Kähler
2	Reason for the notification
a)	Position/status	Person closely associated with Thomas Kähler, Chairman of the Board of Directors of ROCKWOOL A/S
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	A shares (DK0063855085)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s) 242.82 DKK	Volume(s) 730
d)	Aggregated information - Aggregated volume - Price	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Jørgen Tang-Jensen
2	Reason for the notification
a)	Position/status	Deputy Chairman of the Board of Directors
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	B shares (DK0063855168)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s)	Volume(s)
		244.96 DKK	2,052
d)	Aggregated information - Aggregated volume - Price	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Chloe Kähler
2	Reason for the notification
a)	Position/status	Person closely associated with Carsten Kähler, member of the Board of Directors of ROCKWOOL A/S
b)	Initial notification/Amendment	Initial notification
3	monitor	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction
a)	Name	ROCKWOOL A/S
b)	LEI	213800QRC7LNX935OZ09
4		Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	A shares (DK0063855085)
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s) 244.45 DKK	Volume(s) 600
d)	Aggregated information - Aggregated volume Price -	-
e)	Date of the transaction	2025-08-20
f)	Place of the transaction	Nasdaq Copenhagen A/S

Further information: Torben Schwaner Dehlholm Group General Counsel ROCKWOOL A/S +45 46 56 03 00