2021-2023 Sustainability Plan and Financial Performance

Retail Up by single digit yoy, back to pre COVID levels EBITDA evolution (€mn) enel Free market - Energy sold (TWh)1 +10% +3% Improved performance led by free market in Italy 30.3 33.3 8.7 8.4 +4% 1,591 1,645 Italy 21.9 24.5 +11% -30% 222 Regulated 318 markets Uplift in volumes in the free market across all countries H1 2020 H1 2021 ■ B2C +2% Free markets 1,423 1,273 12% B2B 36.5 37.2 Opex/customers flat yoy 9.4 9.4 -% Iberia H1 2020 H1 2021 27.1 27.8 +3% LTM Opex/cust. (€/cust) 21.0 21.0 H1 2020 H1 2021 136 1. It includes energy losses.

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