Exhibit 8.1
List of Material Subsidiaries of Grupo Aeroportuario del Sureste, S.A.B. de C.V.
| Subsidiary | Ownership Interest | Place of Organization | |||
| Aeropuerto de Cancún, S.A. de C.V. | 100% | Mexico | |||
| Aeropuerto de Cozumel, S.A. de C.V.(1) | 100% | Mexico | |||
| Aeropuerto de Mérida, S.A. de C.V. | 100% | Mexico | |||
| Aeropuerto de Huatulco, S.A. de C.V.(2) | 100% | Mexico | |||
| Aeropuerto de Oaxaca, S.A. de C.V. | 100% | Mexico | |||
| Aeropuerto de Veracruz, S.A. de C.V.(3) | 100% | Mexico | |||
| Aeropuerto de Villahermosa, S.A. de C.V. | 100% | Mexico | |||
| Aeropuerto de Tapachula, S.A. de C.V.(4) | 100% | Mexico | |||
| Aeropuerto de Minatitlán, S.A. de C.V.(5) | 100% | Mexico | |||
| Aerostar Airport Holdings, LLC(6) | 60% | Commonwealth of Puerto Rico | |||
Sociedad Operadora de Aeropuertos Centro Norte S.A.(7) | 100% | Colombia | |||
| Servicios Aeroportuarios del Sureste, S.A. de C.V. | 100% | Mexico | |||
| RH Asur, S.A. de C.V. | 100% | Mexico | |||
| (1) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has an 18.1% equity participation in this airport. |
| (2) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has a 21.6% equity participation in this airport. |
| (3) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has a 30.0% equity participation in this airport. |
| (4) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has a 30.0% equity participation in this airport. |
| (5) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has a 23.4% equity participation in this airport. |
| (6) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V, has a 60.0% equity participation in this entity. On June 1, 2017, we began to consolidate Aerostar results into our financial statements. |
| (7) | As of December 31, 2020, Aeropuerto de Cancún, S.A. de C.V., has a 100% equity participation in this group. On October 19, 2017, we began to consolidate Airplan results into our financial statements. |