2021 Investor Presentation

Sustainability at Meridian Environmental Action on climate change Our Material Topics Social Electricity pricing 2030 emissions target (scope 1-3) tCO2e Governance 47,279 actual Sustainability leadership 50,000 44,359 Pipeline of generation options Support for vulnerable customers Good governance, ethical behaviour and reporting 40,000 Impact on water Impact on biodiversity Distributed energy resources Contribution to public policy 32,475 30,000 Financial impacts of climate change 20,000 Cyber security Net Zero Carbon In FY21 10,000 across group emissions -target Halving 2019 emissions by 2030 Climate Change Commission report released Launched Process Heat Electrification Programme Harapaki wind farm construction commenced Launched AC charging network 60,000 stems planted under Forever Forest programme Launched Future of Work initiative Issued our first Modern Slavery Statement Issued our second TCFD Report sets policy direction for electrification 157 GWh in MOU's, 14 GWh contracted clean energy for 70,000 homes 20 of 250 chargers installed 1.5 million trees in 5 years for carbon offset help future proof our workforce our commitment to our workforce and our supply chain our climate risks and opportunities 0 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 Financial Year ended 30 June demand reduction from Tiwai closure Our three priority risks market supply disruption from a disorderly transition to 100% renewables Source: Meridian changes in public policy lead to changes to legislation or regulation Meridian. NOVEMBER 2021 2021 INVESTOR PRESENTATION 14

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