ENIC Enel Chile SA

INTERNAL USE: C.M.F. OFFICE

0.01 Original Information: YES 0.02 Date: 04/28/2021 (month/day/year)

1.01 Tax ID No.°: 76,536,353-5 1.02 Date : 04/28/2021 (month/day/year)

1.03 Company: ENEL CHILE S.A.

1.04 Securities Registration Record: 1139 1.05 Share series: Single .

1.06 Stock Exchange Ticker Symbol: ENELCHILE 1.07 Transaction Code: 10__

2.01 Date of agreement: 04/28/2021 (month/day/year)

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

3: Board of Directors’ Meeting)

2.03 Amount of the dividend: Ch$ 212,853,280,818.- 2.04 Currency: Ch$ -- .

3.01 Number of shares: 69,166,557,219- 3.02 Closing Date: 05/22/2021 (month/day/year)

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

4.02 Year Ended: -------- (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: Ch$ 3.07740 /share 5.02 Currency: Ch$ --.

5.03 Payment Date: 05/28/2021 (month/day/year)

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

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

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

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

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

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

6.07 Stock Exchange Ticker Symbol: .

6.08 Stock dividend factor: stocks to be received per one share with rights

6.09 Share price: Ch$ / share. 6.10 Currency: Ch$

Tax Effects: The Tax Credit of this dividend, if any, will be announced promptly to shareholders.

Dividend: This dividend is from retained earnings of previous years.

Dividend payment time and place: Dividends will be transferred to the bank account or savings account of all duly authorized shareholders. Dividends requested to be sent by mail will be sent as nominative check or bank draft, by certified mail to the shareholder’s address registered in the Shareholders’ Registry. For shareholders who get their checks or bank draft directly, they must be collected from May 28, 2021, on at the DCV Registros S.A. office, as manager of Enel Chile’s Shareholder Registry, or at any branch office of the Banco de Crédito e Inversiones, BCI in the country from Monday through Friday, from 9:00 to 14:00. The latter payment method will be applicable to all shareholders that have not expressly requested a payment method and for all bank account holders whose account has been objected in the bank´s verification process prior to payment. If checks or bank drafts are returned by the post office to DCV Registros S.A., they shall remain under their custody until they are collected or requested by the shareholders.

Gazette and Publication Date: The dividend announcement shall be published in the gazette El Mercurio de Santiago, on May 11, 2021.

Type of Entity: Publicly Held Limited Liability Stock Company.

Dividend per share:  In accordance with the provisions of the Circular N° 660 / 1986 of the Financial Market Commission, in number 5.01 of the present form, the dividend payment in Chilean pesos per share is a number rounded to the nearest hundred thousandths. Notwithstanding, for the purposes of the accuracy of the calculation of the dividend per share, the exact amount to be paid per share is Ch$ 3.07740170070991.