Enel Energy Transition Strategy

Grids MUSTRY INNOVATION NASTRICTURE 13 CLIMATE With clear parameters for our concessions Argentina Brazil Colombia Business model Price cap Price cap Revenue cap enel Peru Price cap ရာ WACC 12.5% 11.2% 12.1% 12.04% real pre tax Next Regulatory Period 20232 2023 2025 2026 Regulatory 5 (Rio) Period Length 5 (years) 4 (Ceará, São Paulo) 5 4 Metering Owned by DSO Owned by DSO Owned by users/DSO Owned by DSO Ownership1 Smart meter Yes Yes included in RAB Concession 2026 (Rio) 2087 expiration date 2028 (Ceará, Sao Paulo) No Yes Undefined³ Undefined³ (1) Distribution System Operator; (2) Next Regulatory Period 2023 -extended one year by pandemic; (3) Assets are owned by the company; (4) Peru uses a Price Cap based on VNR (NRC New replacement value) 13

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