EBITDA Breakdown and Q1 2022 Results

Cash flow (US$ mn) FFO generation pressured by higher NWC 1,166 (978) (414) Generation CAPEX (211) Networks CAPEX (201) Accounts receivables5 Gx (152) Bad debt related accounts (159) (72) (43) enel US$ 0.1 bn EGPA CAPEX (563) (606) 1 EBITDA NWC Taxes paid Q1 2022 Q1 2021 789 (362) (185) Net financial expenses (7) FFO² CAPEX³ FCF4 235 (291) (56) +47.7% > 100% -14.1% +93.5% Delta YoY > 100% (1) Net working capital; (2) Funds from operations; (3) CAPEX accrued gross of contributions and connections fees. Differences between CAPEX accrued and CAPEX paid are included in the NWC.; (4) Free cash flow; (5) Related to customers 16

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