Investor Presentaiton

LOSS ABSORBING CAPACITY LOSS ABSORBING CAPACITY Based on the Group's RWA and Total Capital position as at 31 March 2021, the incremental Group Total Capital requirement prior to January 2024 is approximately $4.6bn. • $2bn of surplus provisions are eligible for inclusion in Tier 2 Capital. • $2.6bn of NAB's existing Tier 2 Capital has optional redemption dates prior to January 20241. Group RWA Mar-21 ($bn) 417.6 Tier 2 Requirement (5% by Jan-24) Existing Tier 2 Capital (3.89%) Current Shortfall 2 20.9 16.3 4.6 APRA CHANGES TO MAJOR BANKS' CAPITAL STRUCTURES³ CET1 buffer/ surplus ~4.4% CCB6 3.5% CET1 minimum requirement 4.5% Total Capital 17.9% Total Capital 17.0% T2, 3.89% AT1, 1.64% CET1, 12.37% NAB Mar 2021 T2, 5.0% AT1, 1.5% CET1 Surplus 4,5, 2.5% CCB6, 3.5% CET1, 4.5% Jan 2024 LAC Requirements NAB TIER 2 PORTFOLIO BY CURRENCY AND FORMAT NAB TIER 2 MATURITIES (TO FIRST CALL) JPY 2% HKD 1% SGD 3% CAD 7% USD 40% AUD 46% (1) Subject to the prior written approval of APRA Bullet 32% Callable 68% ($bn) WAM 7.7 yrs (RTM) 8.1 0.1 1.4 1.1 FY21 1.0 1.0 1.3 FY22 FY23 FY24 FY25 FY26 >FY26 (2) Ahead of January 2024 APRA will consider "feasible alternative methods" for raising an additional 1% to 2% of RWA in loss-absorbing capacity, in consultation with industry and other interested stakeholders (3) APRA's proposed revisions to Unquestionably Strong framework (released December 2020) not reflected (4) Capital surplus of 2.5% is generally higher than the normal level for D-SIBS, as a result of the 'unquestionably strong' capital benchmarks 95 (5) Excludes any Pillar 2 requirements and additional 1-2% RWA requirement through "feasible alternative methods" (6) CCB is the Capital Conservation Buffer National Australia Bank

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