Sustainable Value Creation and Industrial Growth

Business line highlights Networks: Eletropaulo turnaround doubling EBITDA Eletropaulo asset turnaround (EBITDA €mn) +2x 0.2 0.1 0.3 Eletropaulo operational KPIs enel 2018 2021 Electricity distributed 43 +9% 0.4 (TWh) Quality index (%) -2.1 +99bps 0.7 Opex/end user (€/cust) 63 63 -30% 2021 Networks benchmark Eletropaulo Cearà 2021 2021 RAB/end user (€/cust) ~255 ~275 Operating 2021 Opex/end user (€/cust) ~44 -36 2018 6M 2018 2018 pro forma pro forma improvement 1. Quality on service rewards/penalties and losses reduction economic impact on gross margin 40

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