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