Investor Presentaiton

Italian power market 2019 enel Enel market share¹ Customers (mn) Enel market share² market share¹ Energy sold (TWh) Enel Enel market share² 40% 18.5 36.8 4.5 7.2 53% 18.3 14.0 239.3 286.2 24% 205.3 220.1 2.8 15.5 29.5 47% 46.8 34.1 14.8 66.1 32.0 Regulated Free Total 84% 27% Regulated 79% Free 50% Total Business Residential 1 Enel estimate based on closing 2018; % calculated on Total Italian Regulated Market 2 Enel estimate based on closing 2018; % calculated on Total Italian Free Market (not including Last Resort - "Salvaguardia")

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