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 attached ⁱⁱ : AIB Group PLC

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 obligation ^iv :

Name: JPMorgan Chase & Co.

City and country of registered office (if applicable):

Wilmington, Delaware, United States of America

4. Full name of shareholder(s) (if different from 3.)^v :          

5. Date on which the threshold was crossed or reached ^vi : 18 March 2025

6. Date on which issuer notified: 20 March 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 issuer^vii

Resulting situation on the date on which threshold was crossed or reached

1.53

1.16

2.69

2,328,438,575

Position of previous notification (if applicable)

1.87

1.16

3.04

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

A: Voting rights attached to shares

Class/type of
shares

ISIN code (if possible)

Number of voting rights ^ix

% of voting rights

Direct

Indirect

Direct

Indirect

IE00BF0L3536

35,524,167

1.53%

SUBTOTAL A

35,524,167

1.53%

B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations 

Type of financial instrument

Expiration
date ^x

Exercise/
Conversion Period ^xi

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 ^x

Exercise/
Conversion Period ^xi

Physical or cash settlement ^xii

Number of voting rights

% of voting rights

Cash-settled Equity Swap

13/08/2025

13/08/2025

Cash

7,562

0.00

Cash-settled Equity Swap

02/09/2025

02/09/2025

Cash

4,634

0.00

Cash-settled Equity Swap

09/09/2025

09/09/2025

Cash

0

0.00

Cash-settled Equity Swap

17/09/2025

17/09/2025

Cash

11,829,864

0.51

Cash-settled Equity Swap

24/09/2025

24/09/2025

Cash

0

0.00

Cash-settled Equity Swap

30/09/2025

30/09/2025

Cash

39,551

0.00

Cash-settled Equity Swap

11/12/2025

11/12/2025

Cash

1,568,823

0.07

Cash-settled Equity Swap

14/01/2026

14/01/2026

Cash

3

0.00

Cash-settled Equity Swap

30/01/2026

30/01/2026

Cash

2,237

0.00

Cash-settled Equity Swap

11/02/2026

11/02/2026

Cash

74,107

0.00

Cash-settled Equity Swap

02/04/2026

02/04/2026

Cash

218

0.00

Cash-settled Equity Swap

16/04/2026

16/04/2026

Cash

5

0.00

Cash-settled Equity Swap

17/04/2026

17/04/2026

Cash

33,716

0.00

Cash-settled Equity Swap

22/04/2026

22/04/2026

Cash

5,760

0.00

Cash-settled Equity Swap

09/06/2026

09/06/2026

Cash

13,142,544

0.56

Cash-settled Equity Swap

02/02/2028

02/02/2028

Cash

86,922

0.00

Cash-settled Equity Swap

06/07/2028

06/07/2028

Cash

308,966

0.01

Cash-settled Equity Swap

16/01/2029

16/01/2029

Cash

12,100

0.00

SUBTOTAL B.2

27,117,012

1.16%

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 entity ^xiv :

Name ^xv

% 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

JPMorgan Chase & Co.

JPMorgan Chase Bank, National Association

J.P. Morgan International Finance Limited

J.P. Morgan Capital Holdings Limited

J.P. Morgan Securities plc

JPMorgan Chase & Co.

JPMorgan Chase Holdings LLC

J.P. Morgan Broker-Dealer Holdings Inc.

J.P. Morgan Securities LLC

JPMorgan Chase & Co.

JPMorgan Chase Bank, National Association

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 ^xvi :