Investor Presentaiton

INFRASTRUCTURE FOR THE FUTURE FINANCIAL HIGHLIGHTS Solid earnings and growth delivered by high quality energy network businesses Underlying Look- through EBITDA (1) $862m Up 2.4% FY2020 Distribution 13.5cps +2.1cps franking FY2021 Distribution guidance (3) 12.5cps + ~25% franking Regulated asset base(1) $6.4bn Up 3.3% Growth capital expenditure(4) $231m Up 13.3% Contracted asset base (2) $294m Up 13.4% FFO/ Net debt(5) 12.4% Down -1.1% (1) On an aggregated proportional basis to Spark Infrastructure (2) Includes Bomen Solar Farm and TransGrid CAB on a proportional basis to Spark Infrastructure (3) Subject to business conditions (4) Represents increase in RCAB excluding Bomen Solar Farm acquisition and construction costs (5) Funds From Operations (FFO)/ Net debt on a look-through proportional basis including underlying Bomen Solar Farm cash flows and Spark Infrastructure corporate and interest costs Spark Infrastructure I Investor Presentation | February 2021 3

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