Investor Presentaiton

Risk weighted assets (RWAS)/ leverage ratio Customer lending average credit risk weights - Jun 20211,2 (Based on regulatory exposure class) Bank of Ireland 2021 Interim Results - Debt Investor Presentation EBA Transparency Exercise 2020 Country by Country Average IRB risk weights Residential Mortgages - Jun 2020 Sweden Belgium United Kingdom 4.2% 10.2% 10.4% EAD³ RWA (€bn) (€bn) Avg. Risk Weight Austria 10.7% France 12.0% Netherlands 12.3% Germany 14.4% Ireland Mortgages 23.1 5.9 26% Spain 14.5% UK Mortgages 22.7 4.5 20% Denmark 14.7% Finland 16.9% SME 17.4 11.9 69% Portugal 20.1% Italy 20.3% Corporate 11.5 11.5 100% Norway 21.1% Other Retail 6.2 4.4 72% Ireland 29.7% Customer lending credit risk 80.9 38.2 47% EBA Risk Dashboard Q2 2020 Country by Country Average Leverage ratio Regulatory Leverage Ratio - Jun 2020 IRB approach at Jun 2021 accounts for: 59% of credit EAD (Dec 2020: 66%) 72% of credit RWA (Dec 2020: 73%) Regulatory RWA has increased from €48.4bn at Dec 2020 to €49.1bn at Jun 2021. The increase primarily reflects growth in the Group's corporate banking loan portfolio. Sweden 4.2% Germany Netherlands United Kingdom 4.6% 4.7% Denmark 4.8% 5.0% France 5.1% Spain 5.3% Finland 5.4% Italy 6.0% Belgium 6.0% Norway 6.6% Austria 6.6% Portugal Ireland 7.2% 9.4% 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 26

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