Kingspan Group Plc

Major Shareholding Notification • May 27, 2025

Standard Form TR-1

Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland)i

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are
attachedii:
Kingspan Group PLC Dublin Road Kingscourt, Cavan (IE-CN), Ireland
		2. Reason for the notification (please tick the appropriate box or boxes):
	[X] An acquisition or disposal of voting rights
	[ ] An acquisition or disposal of financial instruments
	[ ] An event changing the breakdown of voting rights
[ ] Other (please specify)iii:
	3. Details of person subject to the notification obligationiv :
Name: City and country of registered office (if applicable):
Norges Bank Oslo, Norway
	4. Full name of shareholder(s) (if different from 3.)v:
	5. Date on which the threshold was crossed or reachedvi:
26/05/2025
6. Date on which issuer notified:
27/05/2025 7. Threshold(s) that is/are crossed or reached:
3%
8. Total positions of person(s) subject to the notification obligation:
	% of voting rights attached to shares (total of 9.A)	% of voting rights through financial instruments (total of 9.B.1 + 9.B.2)	Total of both in % (9.A + 9.B)	Total number of voting rights of issuervii
Resulting situation on the date on which threshold was crossed or reached	3.06%	0.00%	3.06%	182,061,230
Position of previous notification (if applicable)	N/A N/A N/A

9. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii: A: Voting rights attached to shares
Class/type of shares	Number of voting rightsix % of voting rights
ISIN code (if possible)	Direct	Indirect	Direct	Indirect
Equity: IE0004927939	5,570,782		3.06%
SUBTOTAL A	5,570,782 3.06%

B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations
Type of financial instrument	Expiration datex	Exercise/ Conversion Periodxi	Number of voting rights that may be acquired if the instrument is exercised/converted.	% of voting rights
		SUBTOTAL B.1

B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations
Type of financial instrument	Expiration datex	Exercise/ Conversion Period xi	Physical or cash settlementxii	Number of voting rights	% of voting rights
			SUBTOTAL B.2

10. Information in relation to the person subject to the notification obligation (please tick the applicable box):

[X ] Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.xiii

[ ] Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv:

Namexv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold

11. In case of proxy voting: [name of the proxy holder] will cease to hold [% and number] voting rights as of [date]

12. Additional informationxvi:

Done at Oslo on 27/05/2025.

Annex: Notification of major holdings (only to be filed with the Central Bank of Ireland and not with the relevant issuer)

A: Identity of the person subject to the notification obligation
Full name (including legal form for legal entities)
Norges Bank
Contact address (registered office for legal entities)
Bankplassen 2, PO Box 1179 Sentrum, Oslo, NO-0107, Oslo, Norway
E-Mail
NBIMRegulatoryCompliance@nbim.no
Phone number / Fax number
+47 24073000
Other useful information (at least legal a contact person for legal persons)

B: Identity of the notifier, if applicable

Full name

Philippe Chiaroni

Contact address

Bankplassen 2, PO Box 1179 Sentrum, Oslo, NO-0107, Oslo, Norway

E-Mail

NBIMRegulatoryCompliance@nbim.no

Phone number / Fax number

+47 24073000

Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information: