AIB Group Plc — Major Shareholding Notification 2025

Sep 17, 2025

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

IE00BF0L3536

Issuer Name

AIB Group plc

UK or Non-UK Issuer

Non-UK

2. Reason for Notification

An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

BlackRock, Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

USA

1. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

1. Date on which the threshold was crossed or reached

16-Sep-2025

6. Date on which Issuer notified

17-Sep-2025

1. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total	% of voting rights through financial instruments (total	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
----------------------------------------------------	---------------------------------------------------------------	-----------------------------------	----------------------------------------------------

	of 8.A)	of 8.B 1 + 8.B 2)
Resulting situation on the date on which threshold was crossed or reached	9.090000	0.910000	10.000000	213908651
Position of previous notification (if applicable)	8.240000	0.230000	8.470000

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

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
IE00BF0L3536		194403620		9.090000
Sub Total 8.A	194403620		9.090000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

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
American Depository Receipt		12882	0.000000
Sub Total 8.B1		12882	0.000000%

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
CFD			Cash	19492149	0.910000
Sub Total 8.B2				19492149	0.910000%

1. Information in relation to the person subject to the notification obligation

2. 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 entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% 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
BlackRock, Inc. (Chain 1)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 1)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 1)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 1)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 1)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 1)	BlackRock HK Holdco Limited
BlackRock, Inc. (Chain 1)	BlackRock Lux Finco S.a.r.l.
BlackRock, Inc. (Chain	BlackRock Japan Holdings GK

1)
BlackRock, Inc. (Chain 1)	BlackRock Japan Co., Ltd.
BlackRock, Inc. (Chain 2)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 2)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 2)	Trident Merger, LLC
BlackRock, Inc. (Chain 2)	BlackRock Investment Management, LLC
BlackRock, Inc. (Chain 3)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 3)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 3)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 3)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain	BlackRock Holdco

3)	3, LLC
BlackRock, Inc. (Chain 3)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 3)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 3)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 3)	BlackRock Group Limited
BlackRock, Inc. (Chain 3)	BlackRock Finance Europe Limited
BlackRock, Inc. (Chain 3)	BlackRock Investment Management (UK) Limited
BlackRock, Inc. (Chain 4)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 4)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 4)	BlackRock International Holdings, Inc.
BlackRock,	BR Jersey

Inc. (Chain 4)	International Holdings L.P.
BlackRock, Inc. (Chain 4)	BlackRock Australia Holdco Pty. Ltd.
BlackRock, Inc. (Chain 4)	BlackRock Investment Management (Australia) Limited
BlackRock, Inc. (Chain 5)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 5)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 5)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 5)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 5)	BlackRock Institutional Trust Company, National Association
BlackRock,	BlackRock Saturn

Inc. (Chain 6)	Subco, LLC
BlackRock, Inc. (Chain 6)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 6)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 6)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 6)	BlackRock Fund Advisors
BlackRock, Inc. (Chain 7)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 7)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Financial Management, Inc.
BlackRock,	BlackRock Saturn

Inc. (Chain 8)	Subco, LLC
BlackRock, Inc. (Chain 8)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 8)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 8)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 8)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 8)	BlackRock HK Holdco Limited
BlackRock, Inc. (Chain 8)	BlackRock Asset Management North Asia Limited
BlackRock, Inc. (Chain 9)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 9)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Holdco 2, Inc.
BlackRock,	BlackRock

Inc. (Chain 9)	Financial Management, Inc.
BlackRock, Inc. (Chain 9)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 9)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 9)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 9)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 9)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 9)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 9)	BlackRock Group Limited
BlackRock, Inc. (Chain 9)	BlackRock Finance Europe Limited
BlackRock, Inc. (Chain 9)	BlackRock (Netherlands) B.V.
BlackRock, Inc. (Chain 9)	BlackRock Asset Management Deutschland AG
BlackRock, Inc. (Chain 10)	BlackRock Saturn Subco, LLC
BlackRock,	BlackRock

Inc. (Chain 10)	Finance, Inc.
BlackRock, Inc. (Chain 10)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 10)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 10)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 10)	BlackRock Canada Holdings ULC
BlackRock, Inc. (Chain 10)	BlackRock Asset Management Canada Limited
BlackRock, Inc. (Chain 11)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 11)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Capital Holdings, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Advisors, LLC
BlackRock,	BlackRock Saturn

Inc. (Chain 12)	Subco, LLC
BlackRock, Inc. (Chain 12)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 12)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 12)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 12)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 12)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 12)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 12)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 12)	BlackRock Group Limited
BlackRock, Inc. (Chain 12)	BlackRock Finance Europe Limited
BlackRock,	BlackRock

Inc. (Chain 12)	Advisors (UK) Limited
BlackRock, Inc. (Chain 13)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 13)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 13)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 13)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 13)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 13)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 13)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 13)	BlackRock (Singapore) Limited
BlackRock, Inc. (Chain 14)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 14)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 14)	Trident Merger, LLC
BlackRock,	BlackRock

Inc. (Chain 14)	Investment Management, LLC
BlackRock, Inc. (Chain 14)	Amethyst Intermediate, LLC
BlackRock, Inc. (Chain 14)	Aperio Holdings, LLC
BlackRock, Inc. (Chain 14)	Aperio Group, LLC
10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional Information

BlackRock Regulatory Threshold Reporting Team

Jana Blumenstein

020 7743 3650

1. Date of Completion

17th September 2025

1. Place Of Completion

12 Throgmorton Avenue, London, EC2N 2DL, U.K.