| 1 | ANDES ENERGIA ARGENTINA S A SUCURSAL COLOMBIA | 0% |
| 2 | CECSA ENERGY INC (SUCURSAL EN COLOMBIA) | 0% |
| 3 | INFINITY OIL LIMITED | 0% |
| 4 | GULFSANDS PETROLEUM PLC SUCURSAL COLOMBIA | 0% |
| 5 | MKMS ENERJI SUCURSAL COLOMBIA | 1% |
| 6 | CNPC INTERNATIONAL SUCURSAL COLOMBIA | 2% |
| 7 | Colcco SA | 3% |
| 8 | PETRO CARIBBEAN RESOURCES LTD | 5% |
| 9 | STATOIL COLOMBIA SUCURSAL | 6% |
| 10 | CPVEN E&P CORP SUCURSAL COLOMBIA | 6% |
| 11 | MAUREL & PROM COLOMBIA B.V | 8% |
| 12 | CNE ENERGY SAS | 8% |
| 13 | ANADARKO COLOMBIA COMPANY SUCURSAL COLOMBIA | 8% |
| 14 | SHELL EXPLORATION AND PRODUCTION COLOMBIA GMBH (SEPC) SUC. C | 9% |
| 15 | MASERING OIL & GAS VSM 22 INC | 10% |
| 16 | VETRA EXPLORACIÓN Y PRODUCCIÓN COLOMBIA S.A.S. | 10% |
| 17 | NEW GRANADA ENERGY CORPORATION SUCURSAL COLOMBIANA | 12% |
| 18 | CNOOC PETROLEUM COLOMIBA LIMITED | 13% |
| 19 | ECOPETROL COSTA AFUERA COLOMBIA SAS | 14% |
| 20 | EXXONMOBIL EXPLORATION COLOMBIA LIMITED | 14% |
| 21 | COLPAN OIL & GAS LTDA SUCURSAL COLOMIBIA | 14% |
| 22 | GRAN TIERRA COLOMBIA INC SUCURSAL | 15% |
| 23 | REPSOL COLOMBIA OIL & GAS LIMITED | 16% |
| 24 | SK INNOVATION CO LTD | 18% |
| 25 | GEO TECHNOLOGY LA SUCURSAL COLOMBIA | 19% |
| 26 | SOUTHEAST INVESTMENT CORPORATION | 20% |
| 27 | TPL COLOMBIA LTD SUCURSAL COLOMBIA | 20% |
| 28 | CIMARRONA LIMITED LIABILITY COMPANY | 20% |
| 29 | CEPSA COLOMBIA S.A. | 20% |
| 30 | Telpico Colombia LLC | 21% |
| 31 | EMERALD ENERGY PLC SUCURSAL COLOMBIA | 22% |
| 32 | LA LUNA E&P S DE RL SUCURSAL COLOMBIA | 23% |
| 33 | Frontera Energy Colombia Corp., Sucursal Colombia | 24% |
| 34 | TOTAL E&P COLOMBIE SUCURSAL COLOMBIA | 24% |
| 35 | CANTANA ENERGY SUCURSAL COLOMBIA | 25% |
| 36 | PETROSANTANDER COLOMBIA GMBH | 28% |
| 37 | HUPECOL META SUCURSAL COLOMBIA | 29% |
| 38 | BC EXPLORACION Y PRODUCCION DE HIDROCARBUROS S L SUCURSAL COLOMBIA | 30% |
| 39 | AMERISUR EXPLORACION COLOMBIA LIMITADA | 30% |
| 40 | OIRU CORPORATION | 30% |
| 41 | PETROLEOS COLOMBIANOS SA | 31% |
| 42 | GRAN TIERRA ENERGY COLOMBIA, LLC SUCURSAL | 32% |
| 43 | REPSOL EXPLORACION COLOMBIA SA | 34% |
| 44 | COLOMBIA ENERGY DEVELOPMENT CO. | 35% |
| 45 | CONOCOPHILLIPS COLOMBIA VENTURES LTD SUCURSAL COLOMBIA | 37% |
| 46 | SIERRACOL ENERGY ANDINA, LLC. | 37% |
| 47 | HOCOL S.A. | 41% |
| 48 | IBEROAMERICANA DE HIDROCARBUROS CQ EXPLORACIÓN & PROD. | 43% |
| 49 | VERANO ENERGY LIMITED SUCURSAL | 46% |
| 50 | AZABACHE ENERGY CORP SUCURSAL COLOMBIA | 46% |
| 51 | PAREX RESOURCES COLOMBIA LTD. SUCURSAL | 47% |
| 52 | MAUREL & PROM SA SUR AMERICA | 50% |
| 53 | PETROLIFERA PETROLEUM COLOMBIA LIMITED | 53% |
| 54 | NIKOIL ENERGY CORP SUC COLOMBIA | 54% |
| 55 | MOMPOS OIL COMPANY INC | 58% |
| 56 | IONOS DIRECTIONAL SERVICES SAS | 59% |
| 57 | LAS QUINCHAS PETROLEUM | 60% |
| 58 | ANDES PRODUCTION COMPANY LLC SUCURSAL COLOMBIA | 61% |
| 59 | INTEROIL COLOMBIA EXPLORATION AND PRODUCTION | 62% |
| 60 | JOSHI TECHNOLOGIES INTERNATIONAL INC. SUCURSAL COLOMBIA | 65% |
| 61 | EQUION ENERGIA LIMITED | 65% |
| 62 | GEOPARK COLOMBIA SAS | 65% |
| 63 | SIERRACOL ENERGY ARAUCA, LLC. | 66% |
| 64 | Carrao Energy S.A. Sucursal Colombia | 66% |
| 65 | PETRODORADO SOUT AMERICA S.A. SUCURSAL COLOMBIA | 70% |
| 66 | PERENCO OIL AND GAS COLOMBIA LIMITED | 75% |
| 67 | Samaria Llanos Exploration Sucursal Colombia | 80% |
| 68 | PERENCO COLOMBIA LIMITED | 80% |
| 69 | COMTROL COLOMBIA S.A. | 86% |
| 70 | ASEZT ENERGY CORPORATION COLOMBIA | 89% |
| 71 | OMEGA ENERGY COLOMBIA | 95% |
| 72 | POWER 2020 OVERSEAS MANAGEMENT CORP | 96% |
| 73 | GOAM 1 C.I S.A.S | 99% |
| 74 | TECPETROL COLOMBIA S.A.S. | 101% |
| 75 | ONGC VIDESH LIMITED SUCURSAL COLOMBIANA | 101% |
| 76 | GREEN POWER SUCURSAL COLOMBIA | 107% |
| 77 | MANSAROVAR ENERGY COLOMBIA LTD | 108% |
| 78 | SANTIAGO OIL COMPANY | 109% |
| 79 | SAINT-AUBIN INTERNATIONAL SAS | 120% |
| 80 | CEIBO ENERGY CORP SUCURSAL COLOMBIA | 175% |
| 81 | MAJOR INTERNATIONAL OIL SA EN LIQUIDACION | 186% |
| 82 | LAS QUINCHAS RESOURCE CORP SUCURSAL COLOMBIA | 193% |
APS