| Schedule of composition and changes of major maintenance provision |
| | | | | | | | | | | | | | | | | | December 31, | | | | | | | | December 31, 2025 | | | 2024 | | Additions | | Disbursements | | Short-term | | Long-term | Major maintenance of concessioned assets | | Ps. | 2,284,163 | | Ps. | 592,485 | (1) | Ps. | (203,860) | | Ps. | 593,267 | | Ps. | 2,079,521 |
| | | | | | | | | | | | | | | | | | December 31, | | | | | | | | December 31, 2024 | | | 2023 | | Additions | | Disbursements | | Short-term | | Long-term | Major maintenance of concessioned assets | | Ps. | 2,119,281 | | Ps. | 389,112 | (1) | Ps. | (224,230) | | Ps. | 555,498 | | Ps. | 1,728,665 |
| | | | | | | | | | | | | | | | | | December 31, | | | | | | | | December 31, 2023 | | | 2022 | | Additions | | Disbursements | | Short-term | | Long-term | Major maintenance of concessioned assets | | Ps. | 1,990,718 | | Ps. | 550,085 | (1) | Ps. | (421,522) | | Ps. | 629,683 | | Ps. | 1,489,598 |
| (1) | Includes Ps. 244,200, Ps. 160,440 and Ps. 201,688, recognized as interest cost in the consolidated statement of income and other comprehensive income, for the unwinding effect of the present value calculation as of December 31, 2025, 2024 and 2023, respectively. |
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