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Investor Presentaiton

Eversource's Progress Toward Carbon Neutrality MT CO2e 900,000 -17% 828,107 800,000 707,015 685,331 700,000 600,000 500,000 400,000 300,000 200,000 100,000 2018 2019 Line Loss Methane Facilities 2020 Fleet SF6 EVERSOURCE ENERGY Eversource emissions have greatly declined through divestiture of fossil fuel generation over the past several decades We have seen a 17% decline in Scope 1 and 2 emissions across our operations since 2018 Our 2020 carbon footprint was verified by a third party Aggressive efforts are being undertaken to reach carbon neutrality by 2030 18

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