| Contributing firm | Author(s) |
| Burundi | |
| United Nations Development Programme | Mahaman Gaya |
| Chad | |
| ECA EY Chad | Anselme Patipéwé Njiakin |
| Congo | |
| APPA | Babafemi Oyewole |
| Egypt | |
| PICO International Petroleum | Loic Conan |
| England | |
| Rosario Consulting Group | Paolo Esposito |
| Equatorial Guinea | |
| Centurion Law Firm | NJ Ayuk |
| Ethiopia | |
| Andargie Bekele Aregahegn | Andargie Bekele Aregahegn |
| University of Addis Ababa | Shimeles Fisseha Woldemichael |
| Finland | |
| University of Eastern Finland | Berryl Claire Asiago |
| Kim Talus | |
| France | |
| Gide Loyrette Nouel AARPI | Alix Deffrennes |
| François Krotoff | |
| Mehdi Megzari | |
| Shearman & Sterling LLP | Christophe Asselineau |
| Emmanuel Gaillard | |
| Marie Guis | |
| Maude Lebois | |
| Ghana | |
| Akufo-Addo Prempeh & Co | Thomas Kojo Stephens |
| Kenya | |
| Oil & Energy Eastern Africa | Mwendia Nyaga |
| Malawi | |
| Savjani & Co | Duncan Singano |
| Krishna Savjani | |
| Mauritania | |
| Cabinet d'Avocats Cheikhany Jules | Cheikhany Jules |
| Mozambique | |
| National Petroleum Institute | Jose de Barros |
| Namibia | |
| Ministry of Mines and Energy | Tupa Iyambo |
| Portugal | |
| University of Eastern Finland Morais Leitão Galvão Teles Soares da Silva & Associados | Eduardo G Pereira |
| Rosario Consulting Group | Patricia Rosario |
| Rwanda | |
| Equity Juris Chambers | Casandra Kabagyema |
| Senegal | |
| Geni & Kebe LLP | Aboubacar Fall |
| South Africa | |
| Norton Rose Fulbright South Africa (incorporated as Deneys Reitz Inc) | Lizel Oberholzer |
| Sudan | |
| Al-Sudan Energia | Mohamed Atabani |
| Tanzania | |
| High Court of Tanzania | Barke Sehel |
| Tunisia | |
| Joint Oil | Waniss A Otman |
| Uganda | |
| Karuhanga Kasajja & Co Advocates | Elison Karuhanga |
| Zambia | |
| Chibesakunda & Co Advocates | Eustace Ng'oma |
