Enel's Energy Infrastructure Growth and Resilience

Sales Portfolio & PPAs key features¹ enel RES Portfolio Composition PPAS by Off-taker rating PPAs by Duration 6% 17% 20% 27% 28% 2023-25 2023-25 413 TWh 237 TWh 57% 26% 40% 2023-25 237 TWh 18% 39% 22% Covered by PPAs (>=3 years) AAA to A- BB+ to BB- >10 years 3-5 years Forward sales & PPAs < 3 years Hedged with retail portfolio² BBB+ to BBB- B+ to CCC- 6-10 years 1-2 years 1. As of March 31st, 2023 2. Volumes sold forward in year n-1. ~9 years average duration 113

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