| 20/08/26 | 14:00:00 | 20 Aug 2026 | | Portfolio Update – Strategic Investment | RNS |
| 10/08/26 | 07:00:08 | 10 Aug 2026 | | Broker Appointment | RNS |
| 10/08/26 | 07:00:07 | 10 Aug 2026 | | Result of AGM and Management Update Presentation | RNS |
| 22/07/26 | 07:00:03 | 22 Jul 2026 | | Shareholder Presentation via Investor Meet Company | RNS |
| 21/07/26 | 07:00:01 | 21 Jul 2026 | | Latin-America Updates | RNS |
| 02/07/26 | 07:00:03 | 2 Jul 2026 | | Mid-Year Operational and Corporate Update | RNS |
| 30/06/26 | 07:05:01 | 30 Jun 2026 | | Exercise of Restricted Share Units | RNS |
| 30/06/26 | 07:00:07 | 30 Jun 2026 | | Notice of Annual and Special Meeting | RNS |
| 12/06/26 | 07:00:01 | 12 Jun 2026 | | Exercise of Options | RNS |
| 28/05/26 | 15:00:00 | 28 May 2026 | | Exercise of Options | RNS |
| 28/05/26 | 07:00:06 | 28 May 2026 | | Closing of Fundraise | RNS |
| 26/05/26 | 07:00:16 | 26 May 2026 | | TSX-V Approval and PDMR Dealing | RNS |
| 18/05/26 | 07:01:00 | 18 May 2026 | | Result of Fundraise | RNS |
| 18/05/26 | 07:00:03 | 18 May 2026 | | Proposed Offering of Common Shares | RNS |
| 15/05/26 | 07:00:02 | 15 May 2026 | | Interim Results for the 3 months to 31 March 2026 | RNS |
| 11/05/26 | 07:00:05 | 11 May 2026 | | Exercise of Options | RNS |
| 30/04/26 | 14:22:37 | 30 Apr 2026 | | Annual Results | RNS |
| 24/04/26 | 07:00:01 | 24 Apr 2026 | | Exercise of Options | RNS |
| 14/04/26 | 15:20:29 | 14 Apr 2026 | | Intention to list on the NSX | RNS |
| 30/03/26 | 07:00:12 | 30 Mar 2026 | | Portfolio Updates | RNS |
| 27/03/26 | 07:00:05 | 27 Mar 2026 | | Exercise of Options | RNS |
| 26/03/26 | 11:26:38 | 26 Mar 2026 | | Sintana Announces Amendments to its By-Laws | RNS |
| 18/03/26 | 08:34:46 | 18 Mar 2026 | | PEL87 Extension Granted | RNS |
| 13/03/26 | 16:42:09 | 13 Mar 2026 | | Director/PDMR Shareholding - Replacement | RNS |
| 13/03/26 | 15:02:21 | 13 Mar 2026 | | Director/PDMR Shareholding | RNS |
| 03/03/26 | 07:00:09 | 3 Mar 2026 | | Commencement of 3D seismic acquisition | RNS |
| 19/02/26 | 11:00:01 | 19 Feb 2026 | | Director/PDMR Shareholding | RNS |
| 16/02/26 | 17:13:53 | 16 Feb 2026 | | Director/PDMR Shareholding | RNS |
| 04/02/26 | 07:00:09 | 4 Feb 2026 | | VMM-37 Resolution | RNS |
| 21/01/26 | 07:00:09 | 21 Jan 2026 | | Portfolio Update – Walvis Basin Expansion | RNS |
| 12/01/26 | 07:00:09 | 12 Jan 2026 | | MI 61-101 Disclosure | RNS |
| 06/01/26 | 07:00:07 | 6 Jan 2026 | | Grant of RSUs & Issue of Shares | RNS |
| 23/12/25 | 07:00:07 | 23 Dec 2025 | | Admission to AIM & First Day of Dealings | RNS |
| 22/12/25 | 16:25:01 | 22 Dec 2025 | | Schedule One Update - Sintana Energy Inc | RNS |
| 16/12/25 | 15:46:29 | 16 Dec 2025 | | Disclosure Table | RNS |
| 16/12/25 | 15:45:00 | 16 Dec 2025 | | Schedule One Update - Sintana Energy Inc | RNS |
| 16/12/25 | 15:08:33 | 16 Dec 2025 | | Scheme of Arrangement Becomes Effective | RNS |
| 15/12/25 | 09:17:51 | 15 Dec 2025 | | Form 8.3 - Sintana Energy Inc. | RNS |
| 12/12/25 | 12:43:08 | 12 Dec 2025 | | Court Sanction of Scheme of Arrangement | RNS |
| 11/12/25 | 08:42:18 | 11 Dec 2025 | | Form 8.3 - Sintana Energy Inc. | RNS |
| 10/12/25 | 08:55:17 | 10 Dec 2025 | | Form 8.3 - Sintana Energy Inc | RNS |
| 09/12/25 | 18:28:30 | 9 Dec 2025 | | Update on Conditions and Timetable | RNS |
| 09/12/25 | 12:00:01 | 9 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC | RNS |
| 09/12/25 | 08:19:01 | 9 Dec 2025 | | Form 8.3 - Sintana Energy Inc | RNS |
| 08/12/25 | 12:00:00 | 8 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC | RNS |
| 08/12/25 | 08:43:11 | 8 Dec 2025 | | Form 8.3 -Sintana Energy Inc. | RNS |
| 05/12/25 | 12:00:01 | 5 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC | RNS |
| 05/12/25 | 08:14:05 | 5 Dec 2025 | | Form 8.3 - Sintana Energy Inc | RNS |
| 04/12/25 | 12:00:00 | 4 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC | RNS |
| 04/12/25 | 09:16:55 | 4 Dec 2025 | | Form 8.3 - Sintana Energy Inc | RNS |
