| Schedule of trade and other receivables, net |
| | | | | | | 2025 | | 2024 | Current | | | | | Concessions (1) | | 4,391 | | 4,392 | Fuel Price Stabilization Fund (2) | | 3,029 | | 7,623 | Customers | | | | | Foreign | | 3,632 | | 4,737 | Domestic | | 2,705 | | 2,606 | Related parties (Note 31) | | 140 | | 167 | Accounts receivable from employees | | 136 | | 126 | Industrial services | | 27 | | 81 | Other | | 1,424 | | 1,038 | | | 15,484 | | 20,770 | Allowance for expected losses (3) | | (604) | | (344) | | | 14,880 | | 20,426 | | | | | | Non-current | | | | | Concessions (1) | | 30,903 | | 28,270 | Accounts receivable from Sao Paulo State (4) | | 2,237 | | 2,194 | Accounts receivable from employees | | 815 | | 710 | Related parties (Note 31) | | 531 | | 347 | Customers | | | | | Domestic | | 229 | | 138 | Foreign | | 64 | | 86 | Other (4) | | 939 | | 996 | | | 35,718 | | 32,741 | Allowance for expected losses (3) (4) | | (588) | | (605) | | | 35,130 | | 32,136 |
| (1) | It corresponds to accounts receivable for concessions to provide public energy transport services and public road transport services, mainly in Brazil (see Note 7.1) and Chile. |
| (2) | It corresponds to the outstanding balance owed to the Fuel Price Stabilization Fund (FEPC), which was created by the National Government to mitigate fluctuations in international prices of oil and its derivatives, such as gasoline and diesel. Its main objective is to prevent drastic increases in international prices from being passed directly on to the end consumer. The amount is the estimate established in accordance with Resolution 180522 of March 29, 2010, and other regulations that modify and supplement it (Decree 1880 of 2014 and Decree 1068 of 2015), which establishes the procedure for recognizing the subsidy for refiners and importers of regular gasoline and diesel, and the methodology for calculating the net position (the difference between the parity price and the regulated price, which can be positive or negative). |
The movement of the account receivable from the Fuel Price Stabilization Fund is as follows: | | | | | | | 2025 | | 2024 | Opening balance | | 7,623 | | 20,505 | Settlements for the year (Note 25) | | 2,921 | | 7,525 | Mobilizations and others | | 142 | | 107 | Collections (2.1) | | (7,657) | | (20,514) | Closing balance | | 3,029 | | 7,623 |
(2.1) For the year ended December 31, 2025, the Ministry of Finance and Public Credit made payments to the Ecopetrol Group for $7,658 corresponding to the balances accrued in 2024 as follows: Ecopetrol S.A. for $5,997 and Refinería de Cartagena S.A.S. for $1,661. | (3) | It corresponds to the recognition of the expected losses associated with customers portfolio. During 2025, an allowance for expected losses on the portfolio of AIR-E S.A.S. E.S.P., an ISA customer, was recognized for $314, in accordance with the expected credit loss model. ISA has implemented and will continue implementing legal actions aimed at recovering this account receivable, including the account generated before and after the intervention by the Superintendency of Residential Public Services. |
| (4) | It corresponds to accounts receivable of ISA Energía Brasil S.A. from the Government of Brazil for employee benefits governed by Law 4819 of 1958. The gross value of these receivables is $2,237 (2024: $2,194), and the allowance for expected losses is $352 (2024: $368), for a net book value of $1,885 (2024: $1,826). Management monitors developments related to the legal aspects of this matter and continuously assesses the potential impact on its consolidated financial statements. ISA Energía Brasil S.A. will continue to make the monthly payments to employees as required by law. Furthermore, it will continue the process of collecting these amounts from the Government of the State of São Paulo and assessing their recoverability. |
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| Schedule of account receivable from the fuel price stabilization fund |
| | | | | | | 2025 | | 2024 | Opening balance | | 7,623 | | 20,505 | Settlements for the year (Note 25) | | 2,921 | | 7,525 | Mobilizations and others | | 142 | | 107 | Collections (2.1) | | (7,657) | | (20,514) | Closing balance | | 3,029 | | 7,623 |
(2.1) For the year ended December 31, 2025, the Ministry of Finance and Public Credit made payments to the Ecopetrol Group for $7,658 corresponding to the balances accrued in 2024 as follows: Ecopetrol S.A. for $5,997 and Refinería de Cartagena S.A.S. for $1,661.
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