| 1 | CIMARRONA LIMITED LIABILITY COMPANY | - |
| 2 | TPL COLOMBIA LTD SUCURSAL COLOMBIA | 0 |
| 3 | TECPETROL COLOMBIA S.A.S. | 1 |
| 4 | GOAM 1 C.I S.A.S | 1 |
| 5 | GRAN TIERRA ENERGY COLOMBIA, LLC SUCURSAL | 3 |
| 6 | LAS QUINCHAS RESOURCE CORP SUCURSAL COLOMBIA | 5 |
| 7 | PETROLEOS COLOMBIANOS SA | 7 |
| 8 | COLOMBIA ENERGY DEVELOPMENT CO. | 8 |
| 9 | PETRODORADO SOUT AMERICA S.A. SUCURSAL COLOMBIA | 20 |
| 10 | ONGC VIDESH LIMITED SUCURSAL COLOMBIANA | 27 |
| 11 | OIRU CORPORATION | 32 |
| 12 | PERENCO OIL AND GAS COLOMBIA LIMITED | 34 |
| 13 | GRAN TIERRA COLOMBIA INC SUCURSAL | 36 |
| 14 | IBEROAMERICANA DE HIDROCARBUROS CQ EXPLORACIÓN & PROD. | 40 |
| 15 | MANSAROVAR ENERGY COLOMBIA LTD | 40 |
| 16 | INTEROIL COLOMBIA EXPLORATION AND PRODUCTION | 46 |
| 17 | Samaria Llanos Exploration Sucursal Colombia | 47 |
| 18 | ANDES PRODUCTION COMPANY LLC SUCURSAL COLOMBIA | 49 |
| 19 | COLPAN OIL & GAS LTDA SUCURSAL COLOMIBIA | 49 |
| 20 | GEOPARK COLOMBIA SAS | 50 |
| 21 | SIERRACOL ENERGY ANDINA, LLC. | 50 |
| 22 | Frontera Energy Colombia Corp., Sucursal Colombia | 50 |
| 23 | HOCOL S.A. | 52 |
| 24 | GREEN POWER SUCURSAL COLOMBIA | 53 |
| 25 | SIERRACOL ENERGY ARAUCA, LLC. | 62 |
| 26 | Carrao Energy S.A. Sucursal Colombia | 69 |
| 27 | PETROSANTANDER COLOMBIA GMBH | 77 |
| 28 | EMERALD ENERGY PLC SUCURSAL COLOMBIA | 90 |
| 29 | ASEZT ENERGY CORPORATION COLOMBIA | 90 |
| 30 | JOSHI TECHNOLOGIES INTERNATIONAL INC. SUCURSAL COLOMBIA | 106 |
| 31 | REPSOL COLOMBIA OIL & GAS LIMITED | 122 |
| 32 | EQUION ENERGIA LIMITED | 186 |
| 33 | PERENCO COLOMBIA LIMITED | 189 |
| 34 | NIKOIL ENERGY CORP SUC COLOMBIA | 234 |
| 35 | AMERISUR EXPLORACION COLOMBIA LIMITADA | 248 |
| 36 | MASERING OIL & GAS VSM 22 INC | 251 |
| 37 | VERANO ENERGY LIMITED SUCURSAL | 272 |
| 38 | SAINT-AUBIN INTERNATIONAL SAS | 290 |
| 39 | INFINITY OIL LIMITED | 364 |
| 40 | LAS QUINCHAS PETROLEUM | 389 |
| 41 | OMEGA ENERGY COLOMBIA | 401 |
| 42 | CNOOC PETROLEUM COLOMIBA LIMITED | 409 |
| 43 | IONOS DIRECTIONAL SERVICES SAS | 435 |
| 44 | PAREX RESOURCES COLOMBIA LTD. SUCURSAL | 451 |
| 45 | MOMPOS OIL COMPANY INC | 472 |
| 46 | PETRO CARIBBEAN RESOURCES LTD | 592 |
| 47 | CEPSA COLOMBIA S.A. | 1.409 |
| 48 | NEW GRANADA ENERGY CORPORATION SUCURSAL COLOMBIANA | 1.941 |
| 49 | VETRA EXPLORACIÓN Y PRODUCCIÓN COLOMBIA S.A.S. | 13.182 |
| 50 | ANADARKO COLOMBIA COMPANY SUCURSAL COLOMBIA | |
| 51 | CANTANA ENERGY SUCURSAL COLOMBIA | |
| 52 | CNPC INTERNATIONAL SUCURSAL COLOMBIA | |
| 53 | Colcco SA | |
| 54 | ECOPETROL COSTA AFUERA COLOMBIA SAS | |
| 55 | GULFSANDS PETROLEUM PLC SUCURSAL COLOMBIA | |
| 56 | LA LUNA E&P S DE RL SUCURSAL COLOMBIA | |
| 57 | MAUREL & PROM SA SUR AMERICA | |
| 58 | MKMS ENERJI SUCURSAL COLOMBIA | |
| 59 | REPSOL EXPLORACION COLOMBIA SA | |
| 60 | ANDES ENERGIA ARGENTINA S A SUCURSAL COLOMBIA | |
| 61 | AZABACHE ENERGY CORP SUCURSAL COLOMBIA | |
| 62 | BC EXPLORACION Y PRODUCCION DE HIDROCARBUROS S L SUCURSAL COLOMBIA | |
| 63 | CECSA ENERGY INC (SUCURSAL EN COLOMBIA) | |
| 64 | CEIBO ENERGY CORP SUCURSAL COLOMBIA | |
| 65 | CNE ENERGY SAS | |
| 66 | COMTROL COLOMBIA S.A. | |
| 67 | CONOCOPHILLIPS COLOMBIA VENTURES LTD SUCURSAL COLOMBIA | |
| 68 | CPVEN E&P CORP SUCURSAL COLOMBIA | |
| 69 | EXXONMOBIL EXPLORATION COLOMBIA LIMITED | |
| 70 | GEO TECHNOLOGY LA SUCURSAL COLOMBIA | |
| 71 | HUPECOL META SUCURSAL COLOMBIA | |
| 72 | MAJOR INTERNATIONAL OIL SA EN LIQUIDACION | |
| 73 | MAUREL & PROM COLOMBIA B.V | |
| 74 | PETROLIFERA PETROLEUM COLOMBIA LIMITED | |
| 75 | POWER 2020 OVERSEAS MANAGEMENT CORP | |
| 76 | SANTIAGO OIL COMPANY | |
| 77 | SHELL EXPLORATION AND PRODUCTION COLOMBIA GMBH (SEPC) SUC. C | |
| 78 | SK INNOVATION CO LTD | |
| 79 | SOUTHEAST INVESTMENT CORPORATION | |
| 80 | STATOIL COLOMBIA SUCURSAL | |
| 81 | Telpico Colombia LLC | |
| 82 | TOTAL E&P COLOMBIE SUCURSAL COLOMBIA | |
APS