Enel Capex and Financial Guidance

Current regulatory framework enel Italy Iberia Brazil Chile Colombia WACC real 5.2% 5.6%2 11.25% 7.0%³ 12.1% pre tax 2022 Next Regulatory Period 20241 2026 2023 2024 2025 Regulatory Period 4+4 Length (years) Metering 6 5 (Rio) 4 (São Paulo) 4 Owned by DSO Owned by DSO Owned by DSO Owned by users/DSO Owned by users/DSO 5 Ownership Smart meter Yes No Yes No4 No inclusion in RAB 1. WACC update in 2025 113 2. Nominal pre tax 3. 4. Return rate before taxes for Chile it is an estimation given that the real WACC post-tax will be 6.0%. Chile uses a Price Cap based on VNR (NRC - New Replacement value) Smart meters are not included in the RAB but they will have a regulated remuneration

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