HY23 Interim Results Announcement

Net organic capital generation of 180bps RWAS €47.5bn 15.4% (140bps) Fully Loaded CET1 180bps (40bps) (60bps) Dec 22¹ IFRS 17/KBCI portfolio Net organic capital² H1 performance RWA³ Bank of Ireland RWAS €52.0bn 14.8% Foreseeable dividend deduction Jun 23 • Net organic capital generation of 180bps H123 (50bps H122) Foreseeable ordinary dividend deduction 33% of H123 statutory profit (FY22 25%) Fully loaded CET1 ratio of 14.8% vs CET1 guidance of >14%; Regulatory CET1 ratio of 15.0%; 405bps headroom to 2023 capital requirements RWAs increase of €4.5bn primarily reflects KBCI portfolio acquisition, CRT amortisation and loan book mix EBA stress test: peak CET1 depletion4 improved by 110bps vs 2021, reflecting management actions Outlook and Distributions • H223 net organic capital generation expected to be broadly similar to H123 FY23 dividend and share buyback decisions will be assessed at year end and informed by strong performance 1 Dec 2022 RWA and CET1 are restated in the HY23 interim report for the application of IFRS 17 on 1 Jan 2023 (Dec 2022 RWA restated to €46.8bn; Fully Loaded CET1 to 15.1%.) CET1 impact of (30bps) is captured in the CET1 walk above 2 Net organic capital generation primarily consists of attributable profit after impairment and movements in regulatory deductions 3 RWA capital impacts from changes in loan book mix, asset quality and movements in other RWAS 4 Fully Loaded CET1 depletion from adverse scenario results of 2023 EBA stress test 23

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