Investor Presentaiton

Regulatory Capital Requirements Bank of Ireland 2018 Results Announcement Ireland (c.60% of RWA) (from 5 July 2019) Pro forma CET1 Regulatory Capital Requirements Pillar 1 CET1 Pillar 2 Requirement (P2R) Capital Conservation Buffer (CCB) Countercyclical buffer (CCyB)' UK (c.30% of RWA) Set by Range CRR SSM CRD 4.50% 1% 2.25% 2.50% 2017 4.50% 2.25% 1.25% 2018 2019 2020 2021 4.50% 4.50% 4.50% 4.50% 2.25% 2.25% 2.25% 2.25% 1.88% 2.50% 2.50% 2.50% CBI 0% - 2.50% US and other (c. 10% of RWA) FPC (UK) Fed/Various 0% - 2.50% 0.3% 0.60% 0.60% 0.60% 0.30% 0.30% 0.30% 0% - 2.50% O-SII buffer (from 1 July 2019) CBI Systemic Risk Buffer - Ireland Minister for Finance 0% - 2.00% 0% - 3.00% N/A Pro forma Minimum CET1 Regulatory Requirements 8.00% N/A 8.93% 0.50% 1.00% 1.50% N/A N/A N/A 10.65% 11.15% 11.65% Pillar 2 Guidance (P2G) Not disclosed in line with regulatory preference Regulatory Capital Requirements • A minimum CET1 ratio of 9.55% on a regulatory basis from 1 Jan 2019, increasing to 10.65% from July 2019. This includes . A Pillar 1 requirement of 4.5%, a Pillar 2 requirement (P2R) of 2.25%, a capital conservation buffer of 2.50%, a UK CCyB of 0.3%, an Other Systemically Important (O-SII) Buffer of 0.5% (from 1 July 2019) and an ROI CCyB of 0.6% (from 5 July 2019) The FPC (UK) has set the UK CCyB at 1% from Nov 2018 • The CBI (ROI) announced its intention to increase the CCyB in Ireland from 0% to 1.0%, effective from 5 Jul 2019 • The Systemic Risk Buffer under Article 133 CRD IV is currently not implemented in Irish law but may be introduced at the discretion of the Minister for Finance Pillar 2 Guidance (P2G) is not disclosed in accordance with regulatory preference, increase of 62bps in Capital Conversion Buffer (CCB) in 2019 was offset by a like for like reduction in P2G. In addition the P2G for 2019 reduced following the outcome of the 2018 EBA Stress Test 1 CCyB could be set in excess of 2.50% in exceptional circumstances. A change in the CCyB could also be implemented in less than 12 months in exceptional circumstances 2 Expected range for Pillar 2 Requirement Bank of Ireland 51

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