ENIC Enel Chile SA

INTERNAL USE: CMF FILING DESK

0.01 Original information: YES 0.02 Dispatch date: 04/26/2023 MM DD YY)

Dispatch date

1.01 Tax ID. : 76.536.353-5. 1.02 Original : 04/26/2023 (MM DD YY)

1.03 Name of the Company: ENEL CHILE S.A.

1.04 Securities Register No.: 1139 1.05 Affected series: SINGLE

1.06 Trading Code: ENELCHILE 1.07 Identification of movement: 14

2.01 Date of resolution : 04/26/2023 (MM DD YY)

2.02 Adoption of Resolution : 1 (1:General Annual Shareholders’ Meeting / 2:Special Shareholders’ Meeting /3:Board of Directors’ Meeting)

2.03 Amount of dividend: CLP $353,208,321,770. 2.04 Type of currency: CLP

3.01 Number of shares: 69,166,557,219 3.02 Cutoff date: 05/20/2023 (MM DD YY)

4.01 Type of dividend : 2 (1:Interim / 2:Final mandatory minimum / 3 Final additional or potential)

4.02 Close of Year : 12/31/2022 (MM DD YY)

4.03 Form of payment : 1 (1:In cash / 2:Optional, in cash or treasury shares / 3:Optional in cash or shares of other companies / 4: Other)

5.01 Payment in cash: CLP $5.10663 /share 5.02 Type of currency: CLP

5.03 Date of payment : 05/26/23 (MM DD YY)

6.01 Start date : / / (DD MM YY)

6.02 Option ending date : / / (DD MM YY)

6.03 Certificate delivery date : / / (DD MM YY)

6.04 Series to be opted for : (only if option chosen is treasury shares)

6.05 Post-movement shares: (only if option chosen is treasury shares)

6.06 TIN of issuer company : (only if option chosen is shares held by the company)

6.07 Trading code : .

6.08 Shares factor : shares to be received per entitled share

6.09 Price of share : /shares. 6.10 Type of currency : $ .

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

Allocation of Dividend: This dividend will be charged against the profits of fiscal year 2022.

Time and Place of Payment: 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. For shareholders who have requested that the dividend be sent by mail, the dividend will be delivered by check or demand draft by certified mail to the shareholder’s address shown in the Shareholders’ Registry. Shareholders who withdraw their demand draft directly must do so on bank business days starting on May 26, 2023 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. In those cases in which the checks or demand drafts have been returned by mail to DCV Registros S.A., they will remain in its custody until they are withdrawn or requested by the shareholders.

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. In view of the current circumstances arising from Covid 19, business days and hours may be modified, so shareholders are requested to consult previously through the following e-mail: atencionaccionistas@dcv.cl.

Gazette and Publication Date: The dividend announcement shall be published in the gazette El Mercurio de Santiago, on May 10, 2023.

Type of Entity: Publicly traded company.

Dividend per share: In accordance with the provisions of Circular No. 660 of 1986 of the Financial Market Commission, in number 5.01 of this Form, the amount in pesos to be paid per share has been indicated as a number consisting of five decimal places, the fifth decimal place being the nearest whole number. Notwithstanding the foregoing, for purposes of the accuracy of the calculation of the dividend per share, the exact amount to be paid per share is the sum of CLP $5.106634419458630.