| 28/05/26 | 15:00:00 | 28 May 2026 | | Exercise of Options |
| 28/05/26 | 07:00:06 | 28 May 2026 | | Closing of Fundraise |
| 26/05/26 | 07:00:16 | 26 May 2026 | | TSX-V Approval and PDMR Dealing |
| 18/05/26 | 07:01:00 | 18 May 2026 | | Result of Fundraise |
| 18/05/26 | 07:00:03 | 18 May 2026 | | Proposed Offering of Common Shares |
| 15/05/26 | 07:00:02 | 15 May 2026 | | Interim Results for the 3 months to 31 March 2026 |
| 11/05/26 | 07:00:05 | 11 May 2026 | | Exercise of Options |
| 30/04/26 | 14:22:37 | 30 Apr 2026 | | Annual Results |
| 24/04/26 | 07:00:01 | 24 Apr 2026 | | Exercise of Options |
| 14/04/26 | 15:20:29 | 14 Apr 2026 | | Intention to list on the NSX |
| 30/03/26 | 07:00:12 | 30 Mar 2026 | | Portfolio Updates |
| 27/03/26 | 07:00:05 | 27 Mar 2026 | | Exercise of Options |
| 26/03/26 | 11:26:38 | 26 Mar 2026 | | Sintana Announces Amendments to its By-Laws |
| 18/03/26 | 08:34:46 | 18 Mar 2026 | | PEL87 Extension Granted |
| 13/03/26 | 16:42:09 | 13 Mar 2026 | | Director/PDMR Shareholding - Replacement |
| 13/03/26 | 15:02:21 | 13 Mar 2026 | | Director/PDMR Shareholding |
| 03/03/26 | 07:00:09 | 3 Mar 2026 | | Commencement of 3D seismic acquisition |
| 19/02/26 | 11:00:01 | 19 Feb 2026 | | Director/PDMR Shareholding |
| 16/02/26 | 17:13:53 | 16 Feb 2026 | | Director/PDMR Shareholding |
| 04/02/26 | 07:00:09 | 4 Feb 2026 | | VMM-37 Resolution |
| 21/01/26 | 07:00:09 | 21 Jan 2026 | | Portfolio Update – Walvis Basin Expansion |
| 12/01/26 | 07:00:09 | 12 Jan 2026 | | MI 61-101 Disclosure |
| 06/01/26 | 07:00:07 | 6 Jan 2026 | | Grant of RSUs & Issue of Shares |
| 23/12/25 | 07:00:07 | 23 Dec 2025 | | Admission to AIM & First Day of Dealings |
| 22/12/25 | 16:25:01 | 22 Dec 2025 | | Schedule One Update - Sintana Energy Inc |
| 16/12/25 | 15:46:29 | 16 Dec 2025 | | Disclosure Table |
| 16/12/25 | 15:45:00 | 16 Dec 2025 | | Schedule One Update - Sintana Energy Inc |
| 16/12/25 | 15:08:33 | 16 Dec 2025 | | Scheme of Arrangement Becomes Effective |
| 15/12/25 | 09:17:51 | 15 Dec 2025 | | Form 8.3 - Sintana Energy Inc. |
| 12/12/25 | 12:43:08 | 12 Dec 2025 | | Court Sanction of Scheme of Arrangement |
| 11/12/25 | 08:42:18 | 11 Dec 2025 | | Form 8.3 - Sintana Energy Inc. |
| 10/12/25 | 08:55:17 | 10 Dec 2025 | | Form 8.3 - Sintana Energy Inc |
| 09/12/25 | 18:28:30 | 9 Dec 2025 | | Update on Conditions and Timetable |
| 09/12/25 | 12:00:01 | 9 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 09/12/25 | 08:19:01 | 9 Dec 2025 | | Form 8.3 - Sintana Energy Inc |
| 08/12/25 | 12:00:00 | 8 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 08/12/25 | 08:43:11 | 8 Dec 2025 | | Form 8.3 -Sintana Energy Inc. |
| 05/12/25 | 12:00:01 | 5 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 05/12/25 | 08:14:05 | 5 Dec 2025 | | Form 8.3 - Sintana Energy Inc |
| 04/12/25 | 12:00:00 | 4 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 04/12/25 | 09:16:55 | 4 Dec 2025 | | Form 8.3 - Sintana Energy Inc |
| 03/12/25 | 12:00:00 | 3 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 03/12/25 | 08:21:14 | 3 Dec 2025 | | Form 8.3 - Sintana Energy Inc |
| 03/12/25 | 07:00:11 | 3 Dec 2025 | | Schedule One - Sintana Energy Inc. |
| 02/12/25 | 12:00:00 | 2 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 01/12/25 | 12:00:01 | 1 Dec 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 01/12/25 | 08:27:59 | 1 Dec 2025 | | Form 8.3 - Sintana Energy Inc. |
| 28/11/25 | 12:00:00 | 28 Nov 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 27/11/25 | 12:00:01 | 27 Nov 2025 | | Form 8.5 (EPT/RI) - Challenger Energy Group PLC |
| 26/11/25 | 08:29:41 | 26 Nov 2025 | | Form 8.3 - Sintana Energy Inc. |
