Investor Presentaiton

Mitigating distribution risk - FY 2020 SREP 11%, AT1 1.50%, T2 2.00% Very strong buffers to MDA and robust ADI capacity CET1 MDA (Transitional, %) includes unfilled AT1/T2 18.6 CET1 MDA (Fully loaded, %) includes unfilled AT1/T2 16.2 CET1 MDA (Fully loaded, %) assumes AT1/T2 buckets filled AIB 7.1% 11.5 0.52 11.00 CET1 ratio MDA threshold 4.8% 16.2 11.4 0.36 11.00 5.2% 11.00 11.00 CET1 ratio MDA threshold CET1 ratio MDA threshold % Buffer to MDA CET1 requirement Unfilled AT1/Tier 2 bucket Very strong buffers to MDA: Q1 2020 CET1 ratio Transitional 18.6%: buffer to MDA of 7.1% RWA / €3.8bn CET1 (Trans) which includes AT1/T2 unfilled portion of 0.52% - Q1 2020 CET1 ratio Fully loaded 16.2%: buffer to MDA of 4.8% RWA / €2.6bn CET1 (FL) which includes AT1/T2 unfilled portion of 0.36%. If the AT1/T2 buckets are filled this buffer would increase to 5.2% RWA / €2.8bn CET1 (FL) Overtime AIB intends to fill its AT1 and Tier 2 buckets at AIB Group plc (HoldCo) in order to optimise its use of CET1 Robust ADI capacity in excess of €4.5bn as at 31 Mar 2020 AIB intends to give due consideration to the capital hierarchy in the face of possible distribution restrictions stemming from any MDA or ADI limitations. However, AIB may deviate from this approach in its sole discretion 11

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