| Word | Date | Name |
| Country | Title |
| Energy | 10 March 2005 | Sylvain MBUTINGAYE |
| Central African Republic | Minister of Energy & Mines |
| Energy | 10 June 2011 | Hassan SALINE |
| Chad | Minister of Mines & Energy |
| Energy | 22 December 2009 | Emmanuel NADINGAR |
| Chad | Minister of Mines & Energy |
| Energy | 4 December 2007 | Hahamat Ali Abdallah NASSOUR |
| Chad | Minister of State for Mines & Energy |
| Energy | 8 March 2007 | Hahamat Ali Abdallah NASSOUR |
| Chad | Minister of State for Mines & Energy |
| Energy | 1 November 2005 | Youssouf ABASSALLAH |
| Chad | Minister of Mines & Energy |
| Energy | 9 August 2004 | Hassan, Mahamat Nasser |
| Chad | Minister of Mines & Energy |
| Energy | 25 July 2011 | Rodrigo ALVAREZ Zenteno |
| Chile | Minister of Energy |
| Energy | 22 July 2011 | |
| Chile | Minister of Energy |
| Energy | 22 April 2011 | Laurence GOLBORNE Riveros |
| Chile | Minister of Energy |
| Energy | 15 July 2010 | Ricardo RAINERI Bernain |
| Chile | Minister of Energy |
| Energy | 23 December 2009 | Marcelo TOKMAN Ramos |
| Chile | Minister of Energy |
| Energy | 21 May 2009 | Marcelo TOKMAN |
| Chile | Minister of Energy |
| Energy | 12 December 2011 | Mauricio CARDENAS |
| Colombia | Minister of Energy & Mines |
| Energy | 15 September 2011 | Carlos RODADO Noriega |
| Colombia | Minister of Energy & Mines |
| Energy | 23 February 2010 | Hernan MARTINEZ Torres |
| Colombia | Minister of Energy & Mines |
| Energy | 22 February 2007 | Hernan MARTINEZ Torres |
| Colombia | Minister of Energy & Mines |
| Energy | 27 July 2006 | Luis Ernesto MEJIA |
| Colombia | Minister of Energy & Mines |
| Energy | 28 November 2011 | Fouad MOHADJI |
| Comoros | Vice President in Charge of the Minister of Production, Environment, Energy, Industry, & Craft |
| Energy | 23 August 2010 | Idi NADHOIM |
| Comoros | Vice President in Charge of the Minister of Agriculture, Fisheries, Environment, Energy, Industry, & Craft |
| Energy | 10 August 2009 | Mikidar HOUMADI |
| Comoros | Minister of Agriculture, Fisheries, Environment, Energy, Industry, & Handicrafts |