Bank of Ireland Financial Overview

Bank of Ireland ILA sensitivity to macroeconomic scenarios The following table indicates the approximate extent to which impairment loss allowance (ILA), excluding Group management adjustments, would be higher or lower than reported were a 100% weighting applied to the central, upside and downside future macroeconomic scenarios respectively. 31 December 2023 Impact of applying only a central, upside or downside scenario rather than multiple probability weighted scenarios¹ Total Change in impairment loss allowance Multiple scenarios Central scenario Upside scenario 1 Downside scenario 1 Downside scenario 2 Impairment loss allowance €m Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % 1,137 (107) (10%) (219) (19%) 311 27% 821 72% The following table indicates the approximate extent to which impairment loss allowances for the residential mortgage portfolios, would be higher or lower than the application of a central scenario if there was an immediate change in residential property prices at the reporting date. Although such changes would not be observed in isolation, as economic indicators tend to be correlated in a coherent scenario, this gives insight into the sensitivity of the Group's impairment loss allowance to a once-off change in residential property values. 31 December 2023 Impact of an immediate change in residential property prices compared to a central scenario impairment loss allowance Residential mortgages Change in impairment loss allowance Central scenario Residential property price reduction of 10% Residential property price Residential property price reduction of 5% increase of 5% Residential property price increase of 10% Impairment loss allowance €m Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % Impairment loss allowance €m Impact % 197 39 20% 18 9% (13) (7%) (26) (13%) 52

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