AIB Group Plc — Major Shareholding Notification 2025

Oct 30, 2025

Note: This submission to OAM is in respect of the regulatory announcement disclosed to the public via RNS on 01/10/2024 and filed with Euronext Dublin under reference number ANN137800.

No changes have been made to the form.

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: AIB GROUP PLC
2. Reason for the notification (please tick the appropriate box or boxes):
[] 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)ii

					3. Details of person subject to the notification obligationiv :
--	--	--	--	--	-----------------------------------------------------------------

Name:	City and country of registered office (if applicable):
Bank of America Corporation	Wilmington, DE, United States

• 1. Full name of shareholder(s) (if different from 3.)^v :
• 1. Date on which the threshold was crossed or reachedvi: 30/09/2024
• 1. Date on which issuer notified: 01/10/2024
• 1. Threshold(s) that is/are crossed or reached: 4%
• 1. 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	0.245%	4.175%	4.421%	2,328,692,340

crossed or reached
Position of previous notification (if	0.507%	3.533%	4.040%
applicable)

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	Number of voting rightsix		% of voting rights
shares ISIN code (if possible)	Direct	Indirect	Direct	Indirect
IE00BF0L3536	n/a	5,707,783	n/a	0.245%
SUBTOTAL A	n/a	5,707,783	n/a	0.245%

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
Right to Recall	n/a	n/a	11,441	0.000%
Physical Swaps	22/04/2025	n/a	17,052,608	0.732%
		SUBTOTAL B.1	17,064,049	0.733%

B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations

Type of financial instrument	Expiration date	Exercise/con version period	Physical or cash settlement	Number of voting rights	% of voting rights
Swaps	02/04/2025	n/a	Cash	30,124,066	1.294
Swaps	02/05/2025	n/a	Cash	7,384,408	0.317
Swaps	15/01/2026	n/a	Cash	735,600	0.032

			SUBTOTAL B.2	80,169,986	3.443
Swaps	29/12/2025	n/a	Cash	6,603	0.000
Swaps	27/10/2025	n/a	Cash	150	0.000
Swaps	30/06/2025	n/a	Cash	56	0.000
Swaps	31/07/2026	n/a	Cash	193,208	0.008
Swaps	21/02/2025	n/a	Cash	16,734,140	0.719
Swaps	24/01/2025	n/a	Cash	173,769	0.007
Swaps	25/10/2024	n/a	Cash	6,292,495	0.270
Swaps	13/11/2025	n/a	Cash	92,825	0.004
Swaps	31/01/2025	n/a	Cash	8,788	0.000
Swaps	29/08/2025	n/a	Cash	21,733	0.001
Swaps	16/10/2025	n/a	Cash	1,663,495	0.071
Swaps	18/11/2024	n/a	Cash	892,415	0.038
Swaps	19/06/2025	n/a	Cash	70,690	0.003
Swaps	21/07/2025	n/a	Cash	6,115,582	0.263
Swaps	15/02/2028	n/a	Cash	86,145	0.004
Swaps	20/03/2025	n/a	Cash	639,583	0.027
Swaps	12/06/2025	n/a	Cash	8,680,216	0.373
Swaps	18/03/2026	n/a	Cash	456	0.000
Swaps	08/09/2025	n/a	Cash	253,563	0.011

		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.xiii
[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 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
Bank of America
Corporation
NB Holdings Corporation
BAC North America
Holding Company
Bank of America, National Association
Bank of America
Corporation
NB Holdings Corporation
BofA Securities, Inc.
Bank of America Corporation
NB Holdings Corporation

BAC North America Holding Company
Merrill Lynch, Pierce, Fenner & Smith
Incorporated
Managed Account Advisors LLC
Bank of America Corporation
NB Holdings Corporation
BofAML Jersey Holdings Limited
BofAML EMEA Holdings 2 Limited
Merrill Lynch International
Bank of America Corporation
NB Holdings Corporation
BAC North America Holding Company
Merrill Lynch, Pierce, Fenner & Smith Incorporated

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

12. Additional information xvi:

Done at London, United Kingdom on 01ST October 2024.