| 05/08/26 | 07:00:05 | 5 Aug 2026 | | Rost 1-26, Rost 2-26 and Brobee Operations Update |
| 28/07/26 | 07:00:06 | 28 Jul 2026 | | Warrant Extension, Director Shareholding & RPT |
| 27/07/26 | 07:00:06 | 27 Jul 2026 | | Settlement Agreement & Issue of Equity |
| 02/07/26 | 14:05:00 | 2 Jul 2026 | | Exercise of warrants |
| 30/06/26 | 07:00:05 | 30 Jun 2026 | | Operations update |
| 16/06/26 | 07:00:08 | 16 Jun 2026 | | Admission to AIM & First Day of Dealings |
| 12/06/26 | 08:00:00 | 12 Jun 2026 | | Release of Updated AIM Schedule One |
| 12/06/26 | 07:30:00 | 12 Jun 2026 | | Schedule One Update - Mendell Helium PLC |
| 01/06/26 | 08:00:00 | 1 Jun 2026 | | Release of AIM Schedule One |
| 01/06/26 | 07:30:01 | 1 Jun 2026 | | Schedule One - Mendell Helium PLC |
| 27/05/26 | 17:37:06 | 27 May 2026 | | Holding(s) in Company |
| 26/05/26 | 12:00:00 | 26 May 2026 | | Issue of Equity, TVR & Director Dealing |
| 26/05/26 | 07:00:15 | 26 May 2026 | | Operations update |
| 18/05/26 | 11:30:00 | 18 May 2026 | | Result of GM & Completion of Acquisition |
| 12/05/26 | 07:00:07 | 12 May 2026 | | Further leases secured in Fort Dodge |
| 05/05/26 | 16:03:43 | 5 May 2026 | | Correction to Circular |
| 05/05/26 | 07:00:14 | 5 May 2026 | | Publication of Circular & Notice of GM |
| 30/04/26 | 07:00:10 | 30 Apr 2026 | | Placing and subscription to raise £5 million |
| 24/04/26 | 09:32:18 | 24 Apr 2026 | | Exercise of warrants |
| 22/04/26 | 09:00:01 | 22 Apr 2026 | | Jumbo tube trailer secured & Exercise of warrants |
| 20/04/26 | 07:00:07 | 20 Apr 2026 | | Exercise of warrants |
| 17/04/26 | 07:00:06 | 17 Apr 2026 | | Proposal to install helium production facility |
| 16/04/26 | 07:00:05 | 16 Apr 2026 | | Update on drilling the Rost twin well |
| 10/04/26 | 12:45:00 | 10 Apr 2026 | | Exercise of warrants |
| 08/04/26 | 07:00:09 | 8 Apr 2026 | | Exercise of warrants |
| 01/04/26 | 07:00:07 | 1 Apr 2026 | | Update on drilling the Rost twin & move to AIM |
| 25/03/26 | 07:00:09 | 25 Mar 2026 | | Agreement with Ritchie Exploration |
| 18/03/26 | 10:50:49 | 18 Mar 2026 | | Holding(s) in Company |
| 17/03/26 | 14:45:00 | 17 Mar 2026 | | Holding(s) in Company |
| 12/03/26 | 07:00:11 | 12 Mar 2026 | | Update on new production wells at Fort Dodge |
| 02/03/26 | 07:00:15 | 2 Mar 2026 | | Operations update & Update on move to AIM |
| 27/01/26 | 07:00:08 | 27 Jan 2026 | | Placing to raise £700,000 to fund production well |
| 20/01/26 | 07:00:08 | 20 Jan 2026 | | Issue of Equity, Conversion of CLNs & PDMR Dealing |
| 30/12/25 | 07:00:06 | 30 Dec 2025 | | Conversion of CLNs |
| 22/12/25 | 07:00:08 | 22 Dec 2025 | | Half-year Report |
| 15/12/25 | 07:00:08 | 15 Dec 2025 | | Updated flow rate on Rost 1-26 well |
| 09/12/25 | 07:00:10 | 9 Dec 2025 | | Further re Broker Option, CLN & Joint Broker |
| 04/12/25 | 07:00:14 | 4 Dec 2025 | | Extension of Broker Option & Subscription |
| 01/12/25 | 07:00:13 | 1 Dec 2025 | | Update on Fort Dodge & Kansas Option Extension |
| 25/11/25 | 07:00:20 | 25 Nov 2025 | | Broker Option Extension & Additional Subscription |
| 17/11/25 | 07:00:12 | 17 Nov 2025 | | Subscription, Issue of Equity and Warrants |
| 10/11/25 | 10:00:00 | 10 Nov 2025 | | Director/PDMR Shareholding |
| 10/11/25 | 07:00:10 | 10 Nov 2025 | | Helium Production commences at Rost |
| 30/10/25 | 12:03:00 | 30 Oct 2025 | | Result of AGM |
| 22/10/25 | 08:15:00 | 22 Oct 2025 | | Issue of Equity, Total Voting Rights &PDMR dealing |
| 22/10/25 | 07:00:10 | 22 Oct 2025 | | Rost Helium Production & Nebraska Update |
| 13/10/25 | 07:00:12 | 13 Oct 2025 | | Operations Update |
| 30/09/25 | 07:00:27 | 30 Sept 2025 | | Final Results |
| 15/09/25 | 07:00:12 | 15 Sept 2025 | | De-watering begins at Rost Well |
| 08/09/25 | 07:00:10 | 8 Sept 2025 | | Further update on Fort Dodge & Nebraska operations |
