| Schedule of financial revenue and financial expenses |
| | | | | | | | | | | | | | | | | | | 12/31/2025 | | 12/31/2024 | | 12/31/2023 | | Financial revenue | | | | | | | Interest on income, fines, commission and fees | 60,991 | | | 138,666 | | | 153,458 | | | Revenue from financial investments | 4,584,506 | | | 2,937,517 | | | 2,862,488 | | | Additional moratorium on electricity | 109,288 | | | 119,500 | | | 165,978 | | | Other financial income | 143,945 | | | 223,898 | | | 479,159 | | | (-) Taxation on financial revenue | (312,379) | | | (267,782) | | | (578,163) | | | 4,586,351 | | | 3,151,799 | | | 3,082,920 | | | Financial expenses | | | | | | | Debt charges | (6,015,871) | | | (6,117,463) | | | (6,463,585) | | | Charges from obligations with CDE | (2,670,067) | | | (2,484,198) | | | (2,292,321) | | | River Basin Revitalization Charges | (319,226) | | | (339,854) | | | (355,430) | | | Other financial expenses | (534,044) | | | (1,198,578) | | | (1,109,907) | | | (9,539,208) | | | (10,140,093) | | | (10,221,243) | | | | | | | | | Financial results, net | | | | | | | Monetary adjustments - CDE | (1,524,821) | | | (1,604,680) | | | (1,384,392) | | | Monetary adjustments - hydrographic basins | (240,111) | | | (288,081) | | | (331,760) | | | Monetary adjustments | (865,216) | | | (778,157) | | | (1,795,913) | | | Exchange rate changes | (8,408) | | | (28,821) | | | 169,904 | | | Variation of net fair value of the protected debt (hedge) of the derivative | (3,335,117) | | | (1,566,482) | | | (613,256) | | | Variation of the derivative financial instrument not linked to debt protection | — | | | (373,605) | | | (908,381) | | | (5,973,673) | | | (4,639,826) | | | (4,863,798) | | | | | | | | | (10,926,530) | | | (11,628,120) | | | (12,002,121) | |
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