Investor Presentaiton

Nuclear plants useful life extension Liberalised business: Generation 1 2 EM 2013 Endesa's nuclear position Trillo (1,100 MW) (1% Endesa) Almaraz I y II (1,049 MW and 1,044 MW) (36% and 36% Endesa) Garoña (466 MW) (50% Endesa) Ascó I and II (1,033 MW and 1,027 MW) (100% and 85% Endesa) endesa Action Plan Promote the extension of useful life ≥50 years; Endesa prepared to invest Vandellós (1,088 MW) (72% Endesa) Maintain high levels of safety and reliability ■ 3.7 GW: 47% of total nuclear capacity in Spain ■ 26 TWh: 46% of total Endesa's mainland production Maintain maximum fleet availability Generational changeover 55

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