EBITDA Evolution and Margins Dynamics

Positive margins dynamics thanks to electricity prices growth Average unitary selling price (RUB/MWh)1 +7% enel Average unitary cost of sales (RUB/MWh)² +5% 1,362 1,459 1Q 2021 1Q 2022 Average unitary electricity margin (RUB/MWh) +21% 177 146 1Q 2021 1Q 2022 1 Including regulated power sales, day ahead market and balancing market sales 2 Including fuel cost and energy purchases 1,216 1,282 1Q 2021 1Q 2022 5

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