Aib Group PlcEURONEXT: A5G

Transaction in Own Shares

· MarketScreener

21 September 2026

AIB Group plc

Transaction in Own Shares

AIB Group plc ("AIB" or the "Company") announces that from 14 September 2026 to 18 September 2026 it purchased a total of 1,967,301 of its ordinary shares of EUR 0.625 each ("Ordinary Shares") on Euronext Dublin through Morgan Stanley & Co International plc ("Morgan Stanley"), as detailed below. The purchases form part of the Company's €1.0 billion share buyback programme announced on 4 March 2026. The repurchased shares will be cancelled .

Date of purchase

Number of ordinary shares purchased

Highest price paid (per ordinary share)

Lowest price paid (per ordinary share)

Volume weighted average price paid (per ordinary share)

14 September 2026

393,122

11.73

11.53

11.60

15 September 2026

399,396

11.52

11.32

11.42

16 September 2026

395,023

11.73

11.38

11.55

17 September 2026

388,453

11.84

11.63

11.74

18 September 2026

391,307

11.73

11.59

11.66

Following cancellation of the repurchased shares above, the Company's total number of Ordinary Shares in issue shall be 2,066,944,622, each carrying the right to one vote. The Company holds nil Ordinary Shares in treasury.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) a full breakdown of the individual trades made by Morgan Stanley on behalf of the Company as part of the share buyback programme can be found at:

http://www.rns-pdf.londonstockexchange.com/rns/5885V_1-2026-9-21.pdf

For further information, please contact:

Niamh Hore / Siobhain Walsh

Investor Relations

AIB Group plc

Dublin

Tel: +353-86-3135647 / +353-87-3956864

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