First Quarter 2022 Earnings Report

INTERNAL Q1 2022 Results Disclaimer enel This presentation contains statements that could constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements appear in a number of places in this announcement and include statements regarding the intent, belief or current expectations of Enel Chile and its management with respect to, among other things: (1) Enel Chile's business plans; (2) Enel Chile's cost-reduction plans; (3) trends affecting Enel Chile's financial condition or results of operations, including market trends in the electricity sector in Chile or elsewhere; (4) supervision and regulation of the electricity sector in Chile or elsewhere; and (5) the future effect of any changes in the laws and regulations applicable to Enel or its subsidiaries. Such forward-looking statements are not guarantees of future performance and involve risks and uncertainties. Actual results may differ materially from those in the forward-looking statements as a result of various factors. These factors include a decline in the equity capital markets of the United States or Chile, an increase in the market rates of interest in the United States or elsewhere, adverse decisions by government regulators in Chile or elsewhere and other factors described in Enel Chile's Annual Report and Form 20-F. Readers are cautioned not to place undue reliance on those forward- looking statements, which state only as of their dates. Enel Chile undertakes no obligation to release publicly the result of any revisions to these forward-looking statements. This presentation does not constitute a recommendation regarding the securities of the Company. This presentation does not contain an offer to sell or a solicitation of any offer to buy any securities issued by Enel Chile or any of its subsidiaries. Figures included in this presentation are rounded figures. 35 55

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