APS| Pos. | Empresa | % |
|---|---|---|
| 1 | PCR INVESMENTS S.A. SUCURSAL COLOMBIA | 6% |
| 2 | DRUMMOND ENERGY, INC | 10% |
| 3 | PETROBRAS INTERNATIONAL BRASPETRO BV - SUCURSAL COLOMBIA | 11% |
| 4 | Pluspetrol Colombia Corporation Sucursal Colombiana | 16% |
| 5 | PETROLEOS SUD AMERICANOS SUCURSAL COLOMBIA | 48% |
| 6 | CANACOL ENERGY COLOMBIA S.A.S | 49% |
| 7 | WATTLE PETROLEUM COMPANY SAS | 51% |
| 8 | TEXICAN OIL & GAS S.A. SUCURSAL COLOMBIA | 64% |
| 9 | CNE OIL & GAS SAS | 65% |