AIB Group Plc — Major Shareholding Notification 2023

Jun 30, 2023

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)

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: AIB Group plc ("AIBG plc")
2. Reason for the notification (please tick the appropriate box or boxes): [X] An acquisition or disposal of voting rights [X] An acquisition or disposal of financial instruments [ ] An event changing the breakdown of voting rights [ ] Other (please specify):
3. Details of person subject to the notification obligation:
Name: Wellington Management Group LLP	City and country of registered office (if applicable): c/o Wellington Management Company LLP, 280 Congress Street, Boston, MA 02210 USA
4. Full name of shareholder(s) (if different from 3.): BP2S London BONY (Nominees) Ltd. Brown Brothers Harriman Cede & Co Citibank NA Chase Nominees Ltd. Nortrust Nominees Limited PICTET LUX ROY Nominees Limited State Street Nominees Ltd. SUNTRUST BANKS, INC. USBK William Blair Wellington
5. Date on which the threshold was crossed or reached:
28 Jun 2023
6. Date on which issuer notified:
29 Jun 2023
7. Threshold(s) that is/are crossed or reached:
4%

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 issuer
Resulting situation on the date on which threshold was crossed or reached	4.17%	0.00%	4.17%	2,618,753,655
Position of previous notification (if applicable)	3.98%		3.98%

9. Notified details of the resulting situation on the date on which the threshold was crossed or reached:

A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)	Number of voting rights			% of voting rights
	Direct	Indirect	Direct	Indirect
IE00BF0L3536 Common Stock		109,283,328		4.17%
SUBTOTAL A	109,283,328			4.17%

B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations
Type of financial instrument	Expiration date	Exercise/ Conversion Period	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 date	Exercise/ Conversion Period	Physical or cash settlement	Number of voting rights	% of voting rights
Index Future	28 Jun 2023	01 Jan 1900 to 28 Jun 2023	Cash settlement	1,514 Index Future shares or 13,979 votes on a converted basis	0.00%
Equity Swap	28 Jun 2023	07 Feb 2023 to 28 Jun 2023	Cash settlement	14,389 Equity Swap shares or 1,692 votes	0.00%

				on a converted basis
Equity Swap	28 Jun 2023	06 Jun 2023 to 28 Jun 2023	Cash settlement	6,674 Equity Swap shares or 784 votes on a converted basis	0.00%
Index Future	28 Jun 2023	01 Jan 1900 to 28 Jun 2023	Cash settlement	209 Index Future shares or 601 votes on a converted basis	0.00%
Exchange Traded Fund	28 Jun 2023	28 Jun 2023	Cash settlement	2,225 Exchange Traded Fund shares or 13 votes on a converted basis	0.00%
			SUBTOTAL B.2	17,069	0.00%

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

[ ] 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.

[X] 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 entity:

Name	% 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
Wellington Management Group LLP	4.17%		4.17%
Wellington Group Holdings LLP	4.17%		4.17%
Wellington Investment Advisors Holdings LLP	4.17%		4.17%
Wellington Management Company LLP
Wellington Management Group LLP	4.17%		4.17%
Wellington Group Holdings LLP	4.17%		4.17%
Wellington Investment Advisors Holdings LLP	4.17%		4.17%
Wellington Management Global Holdings, Ltd.
Wellington Management International Ltd

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

12. Additional information:

Done at Boston on 29 Jun 2023.