FY23 Results Presentation

FY23 RESULTS PRESENTATION Expanding energy transition credentials ventia Long-term maintenance contracts Mercury's Hydro and Geothermal assets Ventia undertakes High Voltage minor capital works on Mercury's Hydro and Geothermal assets Mercury operates 9 hydro plants in the North Island supplying 10% of New Zealand's annual electricity supply. They also operate 5 geothermal plants that power base-load Energy transition services West Wyalong solar farm • Operations and maintenance contract at West Wyalong The farm will generate 238,000 MWh of clean renewable electricity each year and will also supply renewable energy to 88 of BP's service stations across NSW, (the site generating the equivalent in usage of 42,000 homes annually) New adjacent market opportunity EV charging Ventia is performing responsive maintenance of select Electric Vehicle chargers across Australia, using the expert capability and national network in our Telecommunications sector Public electric charging infrastructure is expected to increase exponentially over the short to medium term¹ Pictured: West Wyalong Solar farm - operations and maintenance contract. 19 Energy transition and exposure to mega trends is one market driver, see slide 24 for full details on market drivers 1. CSIRO EV take up projections 2022 SOUT CSIRO EV report 20

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