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Investor Presentaiton

REDUCTION IN CRITICAL AND HIGH PRIORITY INCIDENTS 'CRITICAL' AND 'HIGH' PRIORITY INCIDENTS¹ Investment in technology driving lower instance of technology incidents since 1H14 95% reduction in "High" priority incidents 98% reduction in "Critical" priority incidents. 55 55 15 10 422322505 600 500 400 300 200 100 0 0 H1 H2 FY14 FY14 H1 FY15 H2 FY15 H1 FY16 H2 FY16 H1 FY17 H2 FY17 H1 FY18 H2 FY18 H1 H2 H1 H2 FY19 FY19 FY20 FY20 ■Critical (left axis) High (right axis) (1) Critical Incidents - Significant impact or outages to customer facing service or payment channels. High Incidents - Functionality impact to customer facing service or impact/outage to internal systems National Australia Bank

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