Investor Presentaiton

Highlights 4Q15 endesa chile Total energy sales rose by 5% in 4Q15 Chilean EBITDA amounted to 297 million dollars in 4Q15, increasing 19% Improved generation mix (+409 GWh hydro generation) ✓ Argentina EBITDA amounted to 33 million dollars in 4Q15, increasing over 100% ✓ Higher hydro and thermo generation (+453 GWh) ✓ El Quimbo began commercial operation in November 2015 endesa chile ✓ Rating Agencies have reaffirmed Endesa Chile in BBB+ (stable) ✓ Extraordinary shareholders meeting approved Endesa Chile Spin-Off Endesa Chile Investor Presentation FY2015 endesa chile Grupo Enel USE: Public, Investor Relations 23

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