2021-2023 Sustainability Plan and Financial Performance

Retail Increase in customer base in spite of COVID-19 enel 83 EBITDA evolution (€mn)1 Free market Energy sold (TWh)² -3% -4% 66.2 64.2 Free market customer base increase driven by +300k customers in Italy 16.1 17.2 +7% 3,334 3,197 Italy 50.1 47.0 -6% Regulated 600 markets 6% 639 Volumes contraction in Spain, recovery signs in Italy FY 2019 FY 2020 ■ B2C -11% B2B Free 2,734 2,558 markets -6% Opex/customers down by 7% versus previous year 85.1 75.7 19.4 18.7 -4% Iberia 65.7 FY 2019 FY 2020 57.0 -13% Opex/cust. 22.9 (€/cust) 1. FY 2019 restated; 2. Includes energy losses. 21.2 FY 2019 FY 2020 114

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