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 02/08/2024 and filed with Euronext Dublin under reference number ANN136406.

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)

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

AIB Group Public Limited Company

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.):

BNY Custodial Nominees (Ireland) Ltd.

BONY (Nominees) Ltd.

BP2S London

Brown Brothers Harriman

Chase Nominees Ltd.

Citibank NA

Goldman Sachs Securities (Nominees) Ltd.

Morgan Nominees Limited

Nortrust Nominees Limited

ROY Nominees Limited

State Street Nominees Ltd.

USBK William Blair Wellington

5. Date on which the threshold was crossed or reached:

01 Aug 2024

6. Date on which issuer notified:
02 Aug 2024
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 issuer
Resulting situation on the date on which threshold was crossed or reached	2.95%	0.00%	2.95%	2,420,519,704
Position of previous notification (if applicable)	3.05%	0.00%	3.05%

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	Number of voting rights		% of voting rights
shares ISIN code (if possible)	Direct	Indirect	Direct	Indirect
IE00BF0L3536 Common Stock	71,455,343			2.95%
SUBTOTAL A		71,455,343	2.95%

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
Equity Swap	05 May 2028	05 May 2028	Cash settlement	91,149 Equity Swap shares or 91,149 votes on a converted basis	0.00%
			SUBTOTAL	91,149	0.00%

• 1. 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
Wellington Group Holdings LLP
Wellington Investment Advisors Holdings LLP
Wellington Management Company LLP
Wellington Management Group LLP
Wellington Group Holdings LLP
Wellington Investment Advisors Holdings LLP
Wellington Management Global Holdings, Ltd.
Wellington Management International Ltd
Wellington Management Group LLP
Wellington Group Holdings LLP
Wellington Investment Advisors Holdings LLP
Wellington Management Global Holdings, Ltd.
Wellington Management Europe GmbH

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:

Done in London on 02 Aug 2024.