| Alan Stewart Thompson | Director | 30 Sept 2008 | 28 Sept 2012 | British | 65 years |
| Alexis Eduardo Ulens | Director | 7 Mar 2016 | 26 Oct 2022 | British,belgian,argentine | 59 years |
| Centrica Secretaries Limited | Corporate Secretary | 26 Sept 2008 | 7 Mar 2016 | United Kingdom | - |
| Charles Desmond Kyle Reid | Director | 7 Mar 2016 | 12 Apr 2018 | British | 45 years |
| Graeme Stuart Collinson | Director | 13 Feb 2009 | 10 Dec 2009 | British | 70 years |
| James Spence | Director | 26 Sept 2008 | 23 Jul 2010 | British New Zealand | 58 years |
| Jean-daniel Walter Borgeaud | Director | 11 Dec 2009 | 7 Mar 2016 | Swiss And American | 68 years |
| Karen Chandler | Secretary | 7 Mar 2016 | 14 Jun 2017 | - | - |
| Karl Ben Smith | Director | 7 Mar 2016 | 26 Oct 2022 | Australian | 49 years |
| Karl Byrne | Director | 27 Oct 2021 | 26 Sept 2024 | Irish | 41 years |
| Keith Mangan | Director | 12 Apr 2018 | 27 Oct 2021 | Irish | 53 years |
| Kurt Adolph Talbot | Director | 23 Jul 2010 | 22 May 2013 | American | 64 years |
| Nicole Frances Monir | Director | 25 Sept 2008 | 25 Sept 2008 | British | 59 years |
| Peter George Raftery | Director | 7 Mar 2016 | 26 Sept 2024 | British | 58 years |
| Richard Frank Tyreman | Director | 27 Mar 2013 | 1 Jun 2015 | British | 57 years |
| Richard Matthew Mccord | Director | 27 Mar 2012 | 12 Aug 2013 | British | 53 years |
| Richard Matthew Mccord | Director | 12 Aug 2013 | 7 Mar 2016 | British | 53 years |
| Robert Blair Thomas | Director | 11 Dec 2009 | 23 Jul 2010 | American | 64 years |
| Robert William Marsden | Director | 1 Sept 2014 | 7 Mar 2016 | British | 52 years |
| Simon Mcneil Evers | Director | 25 Sept 2008 | 26 Sept 2008 | British | 46 years |
| Simon Patrick Redfern | Director | 23 Jul 2010 | 28 Sept 2012 | British | 61 years |
| Simon Patrick Redfern | Director | 22 Nov 2012 | 7 Mar 2016 | British | 61 years |
| Simon Robert Hayden | Director | 23 Jul 2010 | 22 May 2013 | British | 49 years |
| Simon Robert Hayden | Director | 22 May 2013 | 7 Mar 2016 | British | 49 years |
| Simon Robert Hayden | Director | 24 Jul 2013 | 7 Mar 2016 | British | 49 years |
| Susan Elizabeth Wheeler | Director | 26 Sept 2008 | 10 Dec 2009 | British | 62 years |
| Thomas Edward Hinton | Director | 23 Jul 2010 | 12 Aug 2013 | British | 47 years |
| Trusec Limited | Corporate Nominee Director | 25 Sept 2008 | 26 Sept 2008 | United Kingdom | - |
| Trusec Limited | Corporate Nominee Secretary | 25 Sept 2008 | 26 Sept 2008 | United Kingdom | - |
| Walid Mouawad | Director | 22 May 2013 | 7 Mar 2016 | French | 51 years |