Exhibit 8.1
List of Subsidiaries of Vista Energy, S.A.B de C.V. as of December 31, 2024
| Subsidiary |
Jurisdiction of incorporation |
Name under which the subsidiary does business | ||
| Vista Energy Argentina S.A.U. | Argentina | Vista Argentina | ||
| Vista Energy Holding I, S.A. de C.V. | Mexico | Vista Holding I | ||
| Vista Energy Holding II, S.A. de C.V. | Mexico | Vista Holding II | ||
| Aleph Midstream S.A.* | Argentina | Aleph Midstream | ||
| Aluvional S.A. | Argentina | Aluvional | ||
| AFBN S.R.L.* | Argentina | AFBN |
| * | in the process of being merged into Vista Energy Argentina S.A.U. |