Investor Presentaiton

CET1 capital ratio operating range. Capital, funding and liquidity 10.5% Unquestionably strong benchmark Unquestionably strong buffer (2.5%) Capital Conservation Buffer (2.5%) and D-SIB (1.0%) Minimum Prudential Capital Requirement (4.5%) CET1 capital ratio of 11.29% at Sep-22 Operating range 11.0% -11.5% Buffer 0.75% Countercyclical capital buffer (1.0%) Capital Conservation Buffer (3.75%) and D-SIB (1.0%,) Minimum Prudential Capital Requirement (4.5%) CET1 capital operating range We will seek to operate with a CET1 capital ratio of between 11.0% and 11.5% (including to account for dividend payments) in normal operating conditions under the new capital framework from 1 January 2023 On 29 November 21, APRA finalised its capital framework, increasing the top of the CET1 capital ratio level for Domestic Systemically Important Banks (D-SIBS) from 8% to 10.25% from 1 January 2023 Under the new framework, the capital conservation buffer increases from 2.5% to 3.75% and a base level for the countercyclical capital buffer (CcyB) of 1.0% was introduced. The D-SIB buffer of 1% continues to apply APRA indicated that it expects the D-SIBS will likely operate with a CET1 capital ratio above 11% in normal operating conditions from 1 January 2023 Current APRA requirements¹ New APRA requirement from 1 Jan-231 1 Noting than APRA may apply higher CET1 capital ratio requirements for an individual authorised deposit-taking institution (ADI). 89 Westpac Group 2022 Full Year Results Presentation & Investor Discussion Pack Westpac GROUP

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