Enel Americas S A : Q1 2025 Results Presentation

About this update from Enel Americas S.a.

First Quarter Enel Américas Consolidated results May 5 th , 2025 Q1 2025 Key highlights and operational performance Aurelio Bustilho CEO Key highlights CAPEX Operational results Financial results Financial position USD 0.30 bn Adj.GridsCAPEX+11% Net of Fx Grids CAPEX increase mainly in Argentina & Brazil in digitalization & resilience +23% vs PY Renewablegeneration Relevant increase in solar & wind due to new capacity in Brazil & Colombia ; recovery in Colombia led by hydro generation USD 1.13 bn Adj.EBITDA+5% Net of Fx EBITDA improvement explained by Argentina and Generation Colombia USD 0.33 bn Fin.expenses-21% Improvement explained by lower gross debt stock vs Q1 2024 and lower interest rate in Colombia 3 Regulatory scenario Key recent and expected developments for our main markets Dx concession renewal - Expected timetable Publication of base concession contract ANEEL's recommendation to the MME Signing of concession contract Tariff review - Dx and Cx Cx - Process ongoing Dx - Part of the 2025 Regulatory Agenda, technical 1 February 26 March 28 2 + 60 days 3 + 30 days 4 + 90 days 5 document expected for Q3 2025 Generation Under discussion - Law project that caps at 5% the energy sales on the Energy Exchange that come from hydroelectric generation Manifestation for Early Renewal MME's decision Edesur's tariff review process - 2025-2029 period January 27 - ENRE presented its final report and EDESUR submitted to the regulator its tariff proposal February 27 - Public hearing April 30 - Publication of tariff tables May - Updated tariffs come into effect 4 Gross CAPEX Grids CAPEX breakdown 2 Focus on Grids aligned with Strategic Plan goals CAPEX by country and business 1 0% 12% 30% USD 406 mn (-27% YoY) 59% 1% 25% USD 406 mn (-27% YoY) Net of Fx Grids CAPEX 3 +11% YoY 74% 29% 41% USD 300 mn (-2%YoY) Networks upgrade +42% YoY 31% Argentina Brazil Colombia C. America Grids Generation Customers Networks upgrade Ordinary Connections Rounded figures. (1) Renewables business' includes trading business; (2) Networks upgrade include CAPEX in resilience, digitalization & climate change, among others; Ordinary includes asset maintenance 5 CAPEX; (3) Including Fx effect, Grids CAPEX variation is -2%

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