| 1 | ANADARKO COLOMBIA COMPANY SUCURSAL COLOMBIA | |
| 2 | CANTANA ENERGY SUCURSAL COLOMBIA | |
| 3 | CNPC INTERNATIONAL SUCURSAL COLOMBIA | |
| 4 | Colcco SA | |
| 5 | ECOPETROL COSTA AFUERA COLOMBIA SAS | |
| 6 | GULFSANDS PETROLEUM PLC SUCURSAL COLOMBIA | |
| 7 | LA LUNA E&P S DE RL SUCURSAL COLOMBIA | |
| 8 | MAUREL & PROM SA SUR AMERICA | |
| 9 | MKMS ENERJI SUCURSAL COLOMBIA | |
| 10 | REPSOL EXPLORACION COLOMBIA SA | |
| 11 | ANDES ENERGIA ARGENTINA S A SUCURSAL COLOMBIA | |
| 12 | AZABACHE ENERGY CORP SUCURSAL COLOMBIA | |
| 13 | BC EXPLORACION Y PRODUCCION DE HIDROCARBUROS S L SUCURSAL COLOMBIA | |
| 14 | CECSA ENERGY INC (SUCURSAL EN COLOMBIA) | |
| 15 | CEIBO ENERGY CORP SUCURSAL COLOMBIA | |
| 16 | CNE ENERGY SAS | |
| 17 | COMTROL COLOMBIA S.A. | |
| 18 | CONOCOPHILLIPS COLOMBIA VENTURES LTD SUCURSAL COLOMBIA | |
| 19 | CPVEN E&P CORP SUCURSAL COLOMBIA | |
| 20 | EXXONMOBIL EXPLORATION COLOMBIA LIMITED | |
| 21 | GEO TECHNOLOGY LA SUCURSAL COLOMBIA | |
| 22 | HUPECOL META SUCURSAL COLOMBIA | |
| 23 | MAJOR INTERNATIONAL OIL SA EN LIQUIDACION | |
| 24 | MAUREL & PROM COLOMBIA B.V | |
| 25 | PETROLIFERA PETROLEUM COLOMBIA LIMITED | |
| 26 | POWER 2020 OVERSEAS MANAGEMENT CORP | |
| 27 | SANTIAGO OIL COMPANY | |
| 28 | SHELL EXPLORATION AND PRODUCTION COLOMBIA GMBH (SEPC) SUC. C | |
| 29 | SK INNOVATION CO LTD | |
| 30 | SOUTHEAST INVESTMENT CORPORATION | |
| 31 | STATOIL COLOMBIA SUCURSAL | |
| 32 | Telpico Colombia LLC | |
| 33 | TOTAL E&P COLOMBIE SUCURSAL COLOMBIA | |
| 34 | SIERRACOL ENERGY ARAUCA, LLC. | 71% |
| 35 | PETRODORADO SOUT AMERICA S.A. SUCURSAL COLOMBIA | 60% |
| 36 | ONGC VIDESH LIMITED SUCURSAL COLOMBIANA | 59% |
| 37 | REPSOL COLOMBIA OIL & GAS LIMITED | 55% |
| 38 | GEOPARK COLOMBIA SAS | 54% |
| 39 | LAS QUINCHAS PETROLEUM | 52% |
| 40 | JOSHI TECHNOLOGIES INTERNATIONAL INC. SUCURSAL COLOMBIA | 50% |
| 41 | CEPSA COLOMBIA S.A. | 46% |
| 42 | INFINITY OIL LIMITED | 46% |
| 43 | VERANO ENERGY LIMITED SUCURSAL | 46% |
| 44 | IBEROAMERICANA DE HIDROCARBUROS CQ EXPLORACIÓN & PROD. | 44% |
| 45 | HOCOL S.A. | 43% |
| 46 | COLOMBIA ENERGY DEVELOPMENT CO. | 40% |
| 47 | SIERRACOL ENERGY ANDINA, LLC. | 39% |
| 48 | MASERING OIL & GAS VSM 22 INC | 38% |
| 49 | MANSAROVAR ENERGY COLOMBIA LTD | 37% |
| 50 | EMERALD ENERGY PLC SUCURSAL COLOMBIA | 36% |
| 51 | EQUION ENERGIA LIMITED | 36% |
| 52 | PETROSANTANDER COLOMBIA GMBH | 35% |
| 53 | Frontera Energy Colombia Corp., Sucursal Colombia | 35% |
| 54 | PERENCO COLOMBIA LIMITED | 35% |
| 55 | ANDES PRODUCTION COMPANY LLC SUCURSAL COLOMBIA | 32% |
| 56 | Samaria Llanos Exploration Sucursal Colombia | 30% |
| 57 | GRAN TIERRA ENERGY COLOMBIA, LLC SUCURSAL | 29% |
| 58 | PETROLEOS COLOMBIANOS SA | 28% |
| 59 | COLPAN OIL & GAS LTDA SUCURSAL COLOMIBIA | 26% |
| 60 | TECPETROL COLOMBIA S.A.S. | 24% |
| 61 | PAREX RESOURCES COLOMBIA LTD. SUCURSAL | 23% |
| 62 | AMERISUR EXPLORACION COLOMBIA LIMITADA | 20% |
| 63 | PERENCO OIL AND GAS COLOMBIA LIMITED | 18% |
| 64 | TPL COLOMBIA LTD SUCURSAL COLOMBIA | 17% |
| 65 | INTEROIL COLOMBIA EXPLORATION AND PRODUCTION | 15% |
| 66 | NIKOIL ENERGY CORP SUC COLOMBIA | 14% |
| 67 | OIRU CORPORATION | 13% |
| 68 | CNOOC PETROLEUM COLOMIBA LIMITED | 9% |
| 69 | MOMPOS OIL COMPANY INC | 5% |
| 70 | LAS QUINCHAS RESOURCE CORP SUCURSAL COLOMBIA | 3% |
| 71 | ASEZT ENERGY CORPORATION COLOMBIA | 1% |
| 72 | GOAM 1 C.I S.A.S | 0% |
| 73 | GREEN POWER SUCURSAL COLOMBIA | 0% |
| 74 | IONOS DIRECTIONAL SERVICES SAS | -1% |
| 75 | GRAN TIERRA COLOMBIA INC SUCURSAL | -5% |
| 76 | NEW GRANADA ENERGY CORPORATION SUCURSAL COLOMBIANA | -9% |
| 77 | PETRO CARIBBEAN RESOURCES LTD | -17% |
| 78 | Carrao Energy S.A. Sucursal Colombia | -79% |
| 79 | OMEGA ENERGY COLOMBIA | -118% |
| 80 | CIMARRONA LIMITED LIABILITY COMPANY | -266% |
| 81 | VETRA EXPLORACIÓN Y PRODUCCIÓN COLOMBIA S.A.S. | -604% |
| 82 | SAINT-AUBIN INTERNATIONAL SAS | -743% |
APS