Investor Presentaiton

Net interest income +2% Bank of Ireland 2021 Interim Results - Debt Investor Presentation €1,063m Net interest income €1,052m 278bps 284bps 25% (24bps) H1 20 Loan asset spread €1,080m 294bps 27% 32% (26bps) H2 20 (32bps) H121 Liquid asset spread Liquid assets as % of AIEAS NIM movement 3bps 3bps (10bps) 7bps 2.00% (3bps) 2.00% • • Pricing discipline maintained - Loan asset spread' 16bps higher H1 2021 vs H1 2020 Application of negative interest rates on deposits and reduction in UK funding costs offsetting the impact of low rates on liquid assets and structural hedge €30m generated from application of negative interest rates (€11m H1 2020) €5.6bn increase in average deposit volumes attracting a negative rate €50m reduction in UK deposit funding costs Reflecting TLTRO participation and build-up of liquidity, liquid assets increased to 32% of AIEA (25% in H1 2020) TLTRO participation benefits net interest income, but mechanically lowers NIM TLTRO (10bps) 1.90% H FY 20 UK deposits Negative interest rates Other Liquid assets Structural hedge H121 1 Spread Loan asset yield or Liquid asset yield less Group's average cost of funds Bank of Ireland 14

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