| 16/02/23 | 17:00:00 | 16 Feb 2023 | | Director/PDMR Shareholding | RNS |
| 14/02/23 | 07:00:06 | 14 Feb 2023 | | LTIP Grant | RNS |
| 03/02/23 | 18:00:04 | 3 Feb 2023 | | Block listing Interim Review | RNS |
| 31/01/23 | 07:00:09 | 31 Jan 2023 | | Interim Results and Strategic Update | RNS |
| 23/01/23 | 07:00:04 | 23 Jan 2023 | | Notice of Interim Results | RNS |
| 17/01/23 | 16:00:01 | 17 Jan 2023 | | Director/PDMR Shareholding | RNS |
| 16/01/23 | 07:00:06 | 16 Jan 2023 | | Trading & Operational Update | RNS |
| 15/12/22 | 16:00:01 | 15 Dec 2022 | | Director/PDMR Shareholding | RNS |
| 01/12/22 | 07:01:03 | 1 Dec 2022 | | Deferral of Trading Update | RNS |
| 01/12/22 | 07:00:06 | 1 Dec 2022 | | Resignation of Graham Cooley | RNS |
| 25/11/22 | 07:00:04 | 25 Nov 2022 | | Appointment of CEO | RNS |
| 15/11/22 | 16:00:01 | 15 Nov 2022 | | Director/PDMR Shareholding | RNS |
| 31/10/22 | 07:00:08 | 31 Oct 2022 | | Motive Ltd. the ITM/Vitol JV appoints CEO | RNS |
| 28/10/22 | 18:00:05 | 28 Oct 2022 | | Result of Annual General Meeting | RNS |
| 27/10/22 | 07:00:06 | 27 Oct 2022 | | Trading Update | RNS |
| 17/10/22 | 16:00:04 | 17 Oct 2022 | | Director/PDMR Shareholding | RNS |
| 12/10/22 | 09:07:18 | 12 Oct 2022 | | WA Government Funding | RNS |
| 03/10/22 | 18:00:01 | 3 Oct 2022 | | Total Voting Rights | RNS |
| 30/09/22 | 15:32:14 | 30 Sept 2022 | | Notice of AGM | RNS |
| 21/09/22 | 09:03:25 | 21 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 20/09/22 | 10:00:02 | 20 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 15/09/22 | 16:00:01 | 15 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 15/09/22 | 07:00:14 | 15 Sept 2022 | | Block Listing Application | RNS |
| 14/09/22 | 07:01:03 | 14 Sept 2022 | | Planned Board Change | RNS |
| 14/09/22 | 07:00:11 | 14 Sept 2022 | | Final Results | RNS |
| 31/08/22 | 13:00:06 | 31 Aug 2022 | | Holding(s) in Company | RNS |
| 16/08/22 | 15:45:03 | 16 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 04/08/22 | 11:00:06 | 4 Aug 2022 | | Block listing Interim Review | RNS |
| 01/08/22 | 07:00:12 | 1 Aug 2022 | | Notice of Final Results | RNS |
| 25/07/22 | 07:00:07 | 25 Jul 2022 | | Appointment of Non-Executive Director | RNS |
| 15/07/22 | 16:00:01 | 15 Jul 2022 | | Director/PDMR Shareholding | RNS |
| 15/06/22 | 16:00:04 | 15 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 09/06/22 | 07:00:04 | 9 Jun 2022 | | Trading & Corporate Update | RNS |
| 19/05/22 | 10:10:03 | 19 May 2022 | | Gigastack Testing Platform UK Government Contract | RNS |
| 17/05/22 | 16:00:01 | 17 May 2022 | | Director/PDMR Shareholding | RNS |
| 20/04/22 | 16:00:04 | 20 Apr 2022 | | Director/PDMR Shareholding | RNS |
| 23/03/22 | 12:23:21 | 23 Mar 2022 | | Motive Ltd - a new Joint Venture with Vitol | RNS |
| 16/03/22 | 16:00:02 | 16 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 16/03/22 | 07:00:04 | 16 Mar 2022 | | Leuna Contract Update | RNS |
| 16/02/22 | 16:00:07 | 16 Feb 2022 | | Director/PDMR Shareholding | RNS |
| 04/02/22 | 12:00:10 | 4 Feb 2022 | | Block listing Interim Review | RNS |
| 28/01/22 | 10:30:01 | 28 Jan 2022 | | Holding(s) in Company | RNS |
| 28/01/22 | 07:00:07 | 28 Jan 2022 | | 24 MW Sale to Yara | RNS |
| 27/01/22 | 07:00:08 | 27 Jan 2022 | | Half-year Report | RNS |
| 24/01/22 | 10:46:15 | 24 Jan 2022 | | Notice of Results | RNS |
| 17/01/22 | 16:00:01 | 17 Jan 2022 | | Director/PDMR Shareholding | RNS |
| 10/01/22 | 07:00:09 | 10 Jan 2022 | | Grant Award in Germany for SINEWAVE Project | RNS |
| 17/12/21 | 15:30:02 | 17 Dec 2021 | | Director/PDMR Shareholding | RNS |
| 16/12/21 | 07:00:06 | 16 Dec 2021 | | Trading Update | RNS |
| 15/12/21 | 16:00:01 | 15 Dec 2021 | | Director/PDMR Shareholding | RNS |