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Spanish power market 2019 Customers (mn) 18.3 Enel market share¹ 17.4 30% 29.4 28.5 11.2 0.9 33% 11.2 0.0 Regulated 0.9 43% Free 30% Total Business Residential Energy sold (TWh) Enel market share¹ enel 226.6 253.9 32% 55.3 81.2 171.4 172.7 31% 27.3 26.0 1.3 Regulated 48% Free 34% Total 1. 12 Customers: CNMC "Informe de supervision de los cambios de comercializador 1Q-19 published october2019 2. Energy sold: Internal estimation based on "sectorial energy daily forecast system" 139

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