Bank of Ireland 2020 Interim Results

Risk Weighted Assets (RWAs) / Leverage Ratio Customer lending average credit risk weights - Jun 20201.2 (Based on regulatory exposure class) Bank of Ireland 2020 Interim Results EBA Transparency Exercise 2019 Country by Country Average IRB risk weights Residential Mortgages - Jun 2019 EAD³ RWA (€bn) (€bn) Avg. Risk Weight Sweden 4.2% Belgium 10.1% United Kingdom 10.2% ROI Mortgages 23.4 6.4 27% Austria 10.7% UK Mortgages 22.0 4.1 19% France 10.9% Netherlands 11.0% SME 17.0 11.7 69% Germany 14.3% Spain 14.4% Corporate 10.5 10.3 98% Denmark 14.6% Other Retail 5.9 4.2 71% Finland 15.8% Portugal 18.0% Italy 18.9% Customer lending credit risk 78.8 36.7 47% Norway 20.9% Ireland 35.0% . IRB approach accounts for: - - 67% of credit EAD (Dec 19: 69%) 72% of credit RWA (Dec 19: 73%) Regulatory RWA has decreased from €50.1bn at Dec 2019 to €47.9bn at Jun 2020. The decrease is primarily due to net loan book growth being more than offset by application of revised SME supporting factor rules, reduction in RWA due to changes in asset quality and mix and FX movements Leverage Ratio • Fully Loaded Leverage Ratio: 6.3% • Regulatory Leverage Ratio: 6.8% EBA Risk Dashboard Q2 2019 Country by Country Average Leverage ratio Regulatory Leverage Ratio - Jun 2019 Sweden 4.4% Germany 4.5% Netherlands 4.6% Denmark 4.6% United Kingdom 5.1% France 5.1% Spain 5.6% Finland 5.6% Italy 5.8% Belgium 6.2% Norway 7.0% Austria 7.0% Portugal 7.6% Ireland 10.1% 1 EAD and RWA include both IRB and Standardised approaches and comprise both non-defaulted and defaulted loans 2 Securitised exposures are excluded from the table (i.e. excludes exposures included in CRT executed in Nov 2017 and Dec 2019) 3 Exposure at default (EAD) is a regulatory estimate of credit risk exposure consisting of both on balance exposures and off balance sheet commitments Bank of Ireland 51

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