First Quarter 2022 Earnings Report

Credit Rating Enel Chile and Enel Generación Chile International market INTERNAL Chilean market Enel Chile Enel Chile Standard & Poor's Fitch Ratings Fitch Ratings BBB Stable A- Stable AA+(cl) Stable Ref. Jan/22 Ref. Jan/22 Ref. Jan/22 Feller Rate AA(cl) Positive Ref. Jun/21 Enel Generación Enel Generación Standard & Poor's Fitch Ratings Fitch Ratings BBB Stable A- Stable Ref. Jan/22 Ref. Jan/22 Ref. Jan/22 AA+(cl) Stable Feller Rate AA (cl) Positive Ref. Jun/21 enel enel 26

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