List of the Company's 12 main shareholders as of December 31, 2025:

Shareholder Name

Number of shares

% Ownership share

Enel Chile S.A.

1,140,279,406

99.09%

LARRAIN VIAL S A  CORREDORA DE BOLSA                       

 1,414,083

0.12%

QUEST ACCIONES CHILE FONDO DE INVERSION                    

 566,515

0.05%

INVERSIONES GUALLATIRI LIMITADA                            

 529,317

0.05%

BANCHILE CORREDORES DE BOLSA S A                           

 430,738

0.04%

INVERSIONES TACORA LIMITADA                                

 301,562

0.03%

NEVASA S.A CORREDORES DE BOLSA                             

 245,324

0.02%

CREDICORP CAPITAL CORREDORES DE BOLSA SPA                  

 160,878

0.01%

SANTANDER CORREDORES DE BOLSA LIMITADA                     

 151,633

0.01%

GOMEZ BRICENO MARIA SOLEDAD                                

 122,899

0.01%

ITAU CORREDORES DE BOLSA LIMITADA                          

 102,093

0.01%

VALORES SECURITY S A C DE B                                

 94,246

0.01%

Subtotal 12 main shareholders

1,144,398,694

99.45%

Other 4,459 shareholders

6,343,467

0.55%

Total 4,471 shareholders

1,150,742,161

100%

(*) Enel Chile S.A. is controlled by Enel SpA with 64.93% of the ownership, without considering own shares.