Investor Presentaiton

Risk Weighted Assets (RWAs) Customer lending average credit risk weights - June 20181&2 (Based on regulatory exposure class) EBA Transparency Exercise 2017 Country by Country Average IRB risk weights Residential Mortgages - June 2017 Avg. EAD³ RWA Risk (€bn) (€bn) Weight Sweden 4.2% SME ROI Mortgages UK Mortgages Corporate 24.4 7.0 29% Norway 5.1% Finland 9.0% 22.1 4.6 21% UK 10.5% 15.9 11.6 73% Belgium 10.6% France 11.7% 9.9 8.8 89% Netherlands 11.9% Other Retail 5.6 3.8 67% Austria 13.8% Denmark 14.1% Customer lending credit risk 77.9 35.8 46% Germany 14.2% • IRB approach accounts for: Spain 14.5% Italy 19.4% • 71% of credit EAD (Dec 2017: 70%) Portugal 19.6% • 72% of credit RWA (Dec 2017: 73%) 42.5% • • RWA has increased from €45.0bn at Dec 2017 to €45.8bn at June 2018 primarily driven by: • Changes in book size and quality (€0.7bn) Impact of FX movements (€0.1bn) TRIM: • As previously announced, CRT executed in Nov 2017 in anticipation of TRIM (c.50bps benefit included in Jun 18 CET1 ratio) Ireland Corporates - June 2017 Sweden Denmark 27.3% 33.7% Germany 40.4% Norway 42.6% Netherlands 44.5% Austria 44.6% Finland 45.7% • TRIM update: now largely complete for Irish mortgages changes to credit risk models will be made in H2 2018; pro forma impact at Jun 2018: a reduction of c.70bps in fully loaded CET1 ratio Belgium 46.5% Italy 47.3% UK 47.3% France 52.9% Spain 58.1% • A range of potential options are available for consideration to offset this capital impact Portugal 63.1% Ireland 65.5% Bank of Ireland Group 1EAD and RWA include both IRB and Standardised approaches and comprises both non-defaulted and defaulted loans 2Securitised exposures are excluded from the table (i.e. excludes exposures included in CRT executed in December 2017 and November 2016) ³Exposure at default (EAD) is a regulatory estimate of credit risk exposure consisting of both on balance exposures and off balance sheet commitments 20 22

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