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

Shareholder Name

Number of shares

% Ownership share

Enel Chile S.A.

      7,672,584,961

93.55%

LARRAIN VIAL S A  CORREDORA DE BOLSA                       

          175,228,399

2.14%

BANCHILE CORREDORES DE BOLSA S A                           

            44,396,870

0.54%

BANCO DE CHILE POR CUENTA DE CITI NA NEW YORK CLIE         

            27,556,600

0.34%

CONSORCIO C DE B  S A                                      

            16,366,748

0.20%

SANTANDER CORREDORES DE BOLSA LIMITADA                     

            12,862,438

0.16%

FM Banchile Dividendos Acciones Chilenas                   

            11,103,325

0.14%

ITAU CORREDORES DE BOLSA LIMITADA                          

              8,414,174

0.10%

BCI C DE B  S A                                            

              8,029,736

0.10%

BANCOESTADO S.A.CORREDORES DE BOLSA                        

              5,572,486

0.07%

EMF RETORNO ABSOLUTO FIP                                   

              4,725,328

0.06%

MONEDA RENTA VARIABLE CHILE FONDO DE INVERSION             

              4,600,000

0.06%

Subtotal 12 main shareholders

      7,991,441,065

97.44%

Other 12,544 shareholders (2)

          210,313,515

2.56%

Total 12,556 shareholders

      8,201,754,580

100.00%