Kingspan Group Plc

Standard Form TR-1

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
		2. Reason for the notification (please tick the appropriate box or boxes):
[ ]	An acquisition or disposal of voting rights
	[ ] An acquisition or disposal of financial instruments
[	] An event changing the breakdown of voting rights
[X] Other (please specify)iii: threshold crossing.		Change in Issuer's total voting rights		(denominator) resulting in
	3. Details of person subject to the notification obligationiv :
Name:		City and country of registered office (if applicable):
Eugene Murtagh
(if different from 3.)v 4. Full name of shareholder(s) :

	5. Date on which the threshold was crossed or reachedvi:		1 December 2025
6. Date on which issuer notified:	1 December	2025

	7. Threshold(s) that is/are crossed or reached:	15%

		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	15.01%	0.00%	15.01%	180,042,130
Position of previous notification (if applicable)	14.99%	0.00%	14.99%

reachedviii: A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)	Number of voting rightsix		% of voting rights
	Direct	Indirect	Direct	Indirect
IE0004927939	27,018,000		15.01%
SUBTOTAL A				15.01%

			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 Dublin Road, Kingscourt, County Cavan on 1 December 2025.