Enel's Energy Infrastructure Growth and Resilience

enel Unitary cost of sourcing (€/MWh) 0 Power Free: unitary margin back to normalization driven by integrated commercial management Fixed sales and coverage (TWh) Unitary margin¹ (€/MWh) 12.5 11.8 ~3.5x -1 TWh 11% 3% Market purchases 59% 63% FLAT TGX 30% Q1 2022 -38 ~104 ~1.6x -170 34% +0.2 TWh Renewables ~11 Q1 2023 Q1 2022 Q1 2023 Q1 2022 Q1 2023 1. Unitary margin does not include the impact of any claw-back mechanisms 92 92

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