Colbún (COLBUN) investor relations material

Executive summary

• 3Q26 revenue rose 21% YoY to US$468.4m and EBITDA rose 55% to US$196.6m, supported by higher Chilean sales and generation; net income reached US$72.5m.

• 9M26 revenue grew 10% to US$1,326.1m and EBITDA 9% to US$486.1m, while net income fell to US$133.4m from US$155.9m.

Financial highlights

• 3Q26 operating income was US$129.0m versus US$61.1m YoY; gross profit increased 42% to US$239.4m.

• Chile 3Q26 EBITDA increased 64% to US$168.0m; Peru EBITDA rose 24% to US$28.5m.

• 3Q26 non-operating loss narrowed to US$29.7m from US$31.6m; higher income tax expense was US$26.8m versus US$4.3m.

• 9M26 non-operating loss widened to US$100.2m from US$70.3m, including extraordinary coal-contract termination costs.

Segment performance

• Chile physical sales rose 15% YoY to 3,168 GWh; higher unregulated-client and spot-market sales supported 3Q26 revenue growth of 20% to US$392.8m.

• Peru physical sales rose 2% YoY to 1,152 GWh and generation to 1,181 GWh; regulated sales benefited from Pluz Energía and higher Electro Oriente contracted capacity.

• Quarterly generation was 3,170 GWh, including 1,909 GWh hydro, 527 GWh thermal and 734 GWh variable renewable energy; hydro generation rose 63% YoY.

• Chile generation rose 37% YoY to 3,170 GWh, led by higher hydro, wind and coal output; gains included Santa María's return to service and lower Horizonte curtailments.

• Peru 9M26 EBITDA fell 29% to US$46.6m after the 1Q26 TGP gas-transport interruption increased diesel use and energy purchases.