Investor Presentaiton

Provision cover by portfolio category. Exposures as a % of TCE Credit quality Provisioning to TCE (%) Sep-21 Mar-22 Sep-22 ■Fully performing portfolio 91.65 92.10 87.73 Stage 1 reduction driven by changes to modelled outcomes Stage 1 provisions 92.25 Fully performing portfolio Small cover as low probability of default (PD) 0.09 0.10 0.09 Stage 2 provisions (includes portfolio overlays) Non-stressed increase in but significant Non-stressed but significant increase in credit risk credit risk 5.99 Stage 2 increase driven 11.19 7.25 by changes to modelled outcomes Lifetime expected loss based on future economic conditions 2.16 1.92 1.35 6.40 Watchlist & substandard Watchlist & substandard 0.85 Still performing but higher cover reflects deterioration 9.80 10.95 11.05 0.49 Stage 3 provisions 0.40 0.43 90+ day past due and not impaired 90+ day past Reduction in Stage 3 due and not 0.80 impaired 0.68 0.56 0.51 reflects improvement in 90+ day mortgage delinquencies In default but strong security 10.57 10.62 11.07 Impaired assets Impaired 0.26 0.19 0.14 0.13 Sep-20 Sep-21 Mar-22 Sep-22 In default. High provision cover reflects expected recovery 54.43 48.03 47.97 Chart does not add to 100 due to rounding. 71 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Westpac GROUP

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