| | | | | | | | |
| Subsidiary Name | | Place of Registration |
| VAALCO Energy (USA), Inc. | | Delaware |
| VAALCO Gabon (Etame), Inc. | | Delaware |
| VAALCO Production (Gabon), Inc. | | Delaware |
| VAALCO Angola (Kwanza), Inc. | | Delaware |
| VAALCO Energy (EG), Inc. | | Delaware |
| VAALCO Energy Mauritius (EG), Ltd | | Mauritius |
| VAALCO Gabon S.A. | | Gabon |
| VAALCO Energy (International) LLC | | Delaware |
| VAALCO Energy (Holdings), LLC | | Delaware |
| VAALCO International Management, LLC | | Delaware |
| VAALCO Energy Canada, Inc. | | Province of Alberta |
| TG Energy UK Ltd | | United Kingdom |
| VAALCO Egypt Holdings Inc. | | Turks & Caicos |
| TG Holdings Yemen Inc. | | Turks & Caicos |
| VAALCO West Bakr Inc. | | Turks & Caicos |
| VAALCO West Gharib Inc. | | Turks & Caicos |
| TG Energy Marketing Inc. | | Turks & Caicos |
| VAALCO NW Gharib Inc. | | Turks & Caicos |
| VAALCO S Ghazalat Inc. | | Turks & Caicos |
| VAALCO Energy Cote d’Ivoire AB | | Sweden |
| VAALCO Energy Cote d’Ivoire Holding AB | | Sweden |
| SPE Nigeria AB | | Sweden |
| VAALCO Energy Cote d’Ivoire SPE AB | | Sweden |
| Svenska Nigeria Exploration & Production Ltd | | Nigeria |