c.c.:

Banco Central de Chile (Central Bank of Chile)

Bolsa de Comercio de Santiago (Santiago Stock Exchange)

Bolsa Electrónica de Chile (Chile Electronic Stock Exchange)

Banco Santander - Representantes Tenedores de Bonos (Bondholders Representative)

Depósito Central de Valores (Central Securities Depositary)

Comisión Clasificadora de Riesgos (Risk Rating Commission)

1.01 Tax No.°: 76,536,353-5

1.03 Company: ENEL CHILE S.A.

1.04 Securities Registration Record: 1139

1.06 Ticker local exchange: ENELCHILE

1.02 Date : 11 / 27 / 2025 (month/day/year)

1.05 Affected series: Unique.

1.07 Movement Code: 19

2.01 Date of agreement: 11 / 27 / 2025 (month/day/year)

2.02 Agreement Settlement: 3 . (1: Ordinary Shareholders’ Meeting / 2: Extraordinary Shareholders’ Meeting /

3: Board of Directors Meeting)

2.03 Amount of the dividend: $ 52,771,495.-

2.04 Type of currency: USD.

3.01 Number of shares: 69,166,557,219.-

3.02 Closing Date: 01 / 17 / 2026 (month/day/year)

4.01 Type of dividend: 1_ (1: Interim / 2: Definitive minimum by law / 3 Definitive additional or eventual)

4.02 Year Ended: 09 / 30 / 2025 (month/day/year)

4.03 Type of payment: 1 (1: In cash / 2: Optional in cash or shares of the own issuance / 3: Optional in cash or shares of others companies / 4: Other)

5.01 Payment in cash: $ 0.00076/share

5.03 Payment Date: 01 / 23 / 2026 (month/day/year)

5.02 Type of currency: USD.

6.01 Starting Date: / / (month/day/year)

6.02 Expiration Option Date: / / (month/day/year)

6.03 Date of the distribution of shares : / / (month/day/year)

6.04 Series to choose: (Only if the option is based on shares of own issuance)

6.05 Shares post movement: (Only if the option is based on shares of own issuance)

6.06 Tax No.° of the Issuer: (Only if the option is based on shares in which the company is holder)

6.07 Ticker local Exchange: .

6.08 Factor of shares: shares to be received by one share with rights

6.09 Share price: / share.

6.10 Type of currency: .

Tax Effects: The Tax Credit that this dividend could have will be announced to shareholders in a timely manner.

Dividend: This dividend will be charged to 2025 net income and corresponds to 15% of the net income as of September 30, 2025.

Hour, Place and Payment procedures: For shareholders who have granted the corresponding authorization, the dividend will be deposited in the checking or savings bank account of the holder of the shares. Shareholders who withdraw their bank demand voucher directly must do so on bank business days starting on January 23, 2026, at any branch of the bank informed by DCV Registros S.A., in its capacity as Manager of the Shareholders’ Registry of Enel Chile S.A. and which will be informed in the notice published on the payment of dividends. This last modality will also be used for all those shareholders who have not expressly requested any payment modality, and for all those whose bank accounts have been objected in a verification process. If the demand voucher is not withdrawn, the withdrawal of a nominative check at the offices of DCV Registros S.A., in its capacity as administrator of the shareholder registry of Enel Chile S.A., is contemplated.

The attention of the shareholders in all those aspects related to the payment of dividends will be carried out exclusively in the offices of DCV Registros S.A., located in Avenida Los Conquistadores 1730, 24th floor, Providencia, from Monday to Friday, from 09:00 to 14:00 hours.

Newspaper and Publication Date: The publication of the dividend announcement shall be made in the newspaper El Mercurio de Santiago, on January 8, 2026.

Type of Entity: Publicly Held Limited Liability Stock Company.

Dividend per share:  In accordance with the provisions of the Circular N° 660 of 1986 of the Financial Market Commission, in number 5.01 of the present form, it is indicated to pay as amount per share a number consisting of five decimal places, approaching the fifth decimal to the nearest integer. However, for the purposes of the accuracy of the calculation of the dividend per share, the exact amount to be paid per share is the amount of USD 0.000762962580788.- 

The aforementioned dividend will be paid in Chilean pesos according to the United States observed dollar exchange rate published in the Official Gazette on January 16, 2026.