| 06/11/23 | 08:39:03 | 6 Nov 2023 | | Italia MDC update and share ownership |
| 16/10/23 | 07:00:15 | 16 Oct 2023 | | Director/PDMR Shareholding |
| 13/10/23 | 16:28:30 | 13 Oct 2023 | | Director/PDMR Shareholding |
| 06/10/23 | 10:55:01 | 6 Oct 2023 | | Holding(s) in Company |
| 04/10/23 | 07:00:04 | 4 Oct 2023 | | Director/PDMR Shareholding |
| 02/10/23 | 14:25:01 | 2 Oct 2023 | | Director Dealing |
| 28/09/23 | 07:00:10 | 28 Sept 2023 | | Interim results |
| 26/09/23 | 07:00:05 | 26 Sept 2023 | | Project update |
| 20/09/23 | 16:15:01 | 20 Sept 2023 | | Legal claim against Logik Developments |
| 20/09/23 | 12:25:02 | 20 Sept 2023 | | Discontinuation of Billingham Project |
| 04/09/23 | 07:00:04 | 4 Sept 2023 | | Bank Refinance of Italy Market Development Centre |
| 17/08/23 | 07:00:03 | 17 Aug 2023 | | Contract signed with Idex for FEED at France MDC |
| 31/07/23 | 07:00:07 | 31 Jul 2023 | | Successful Steam-Oxygen Gasification Tests |
| 25/07/23 | 07:00:11 | 25 Jul 2023 | | Collaboration Framework Agreement with Domi Ost |
| 12/07/23 | 07:00:03 | 12 Jul 2023 | | Sale of France Market Development Centre to Idex |
| 23/06/23 | 09:40:01 | 23 Jun 2023 | | Grant of Long-term Incentive Plan Options |
| 22/06/23 | 12:55:01 | 22 Jun 2023 | | Completion of Italy MDC handover |
| 21/06/23 | 16:15:01 | 21 Jun 2023 | | Results of 2023 AGM |
| 25/05/23 | 07:00:10 | 25 May 2023 | | Notice of 2023 AGM |
| 05/05/23 | 07:00:02 | 5 May 2023 | | Final Results |
| 21/04/23 | 16:30:01 | 21 Apr 2023 | | Result of Broker Option |
| 18/04/23 | 07:00:07 | 18 Apr 2023 | | Publication of 2022 annual report |
| 17/04/23 | 14:15:41 | 17 Apr 2023 | | Collaboration Framework Agreement |
| 04/04/23 | 07:00:04 | 4 Apr 2023 | | Update re Director remuneration and Broker Option |
| 27/03/23 | 07:00:03 | 27 Mar 2023 | | France project award with Idex Group |
| 23/03/23 | 07:00:04 | 23 Mar 2023 | | France government award for potential RNG project |
| 21/03/23 | 11:05:36 | 21 Mar 2023 | | Second Price Monitoring Extn |
| 21/03/23 | 11:00:27 | 21 Mar 2023 | | Price Monitoring Extension |
| 21/03/23 | 08:14:28 | 21 Mar 2023 | | Proposed Equity Issue to raise approximately £3.5m |
| 14/03/23 | 16:35:35 | 14 Mar 2023 | | Price Monitoring Extension |
| 14/03/23 | 09:00:14 | 14 Mar 2023 | | Price Monitoring Extension |
| 14/03/23 | 07:00:06 | 14 Mar 2023 | | Italy Market Development Centre operational |
| 01/03/23 | 07:00:12 | 1 Mar 2023 | | Holding(s) in Company |
| 01/03/23 | 07:00:10 | 1 Mar 2023 | | Update on Deeside project share purchase agreement |
| 28/02/23 | 14:05:28 | 28 Feb 2023 | | Second Price Monitoring Extn |
| 28/02/23 | 14:00:19 | 28 Feb 2023 | | Price Monitoring Extension |
| 06/02/23 | 07:00:03 | 6 Feb 2023 | | 2022 Trading Update |
| 22/12/22 | 08:00:01 | 22 Dec 2022 | | Amendments to Employment Incentive Warrant Pool |
| 22/12/22 | 07:00:03 | 22 Dec 2022 | | Mechanical and electrical completion at Italia MDC |
| 20/12/22 | 07:00:10 | 20 Dec 2022 | | Option for Grant of a Lease for Billingham Site |
| 09/12/22 | 07:00:04 | 9 Dec 2022 | | Agreement of loan facility with Altair Group |
| 01/12/22 | 11:05:38 | 1 Dec 2022 | | Second Price Monitoring Extn |
| 01/12/22 | 11:00:18 | 1 Dec 2022 | | Price Monitoring Extension |
| 01/12/22 | 07:00:05 | 1 Dec 2022 | | Deeside Project SPV Sale and Trading Updates |
| 29/11/22 | 07:00:06 | 29 Nov 2022 | | Director Dealing and Exercise of Warrants |
| 22/11/22 | 14:05:51 | 22 Nov 2022 | | Second Price Monitoring Extn |
| 22/11/22 | 14:00:26 | 22 Nov 2022 | | Price Monitoring Extension |
| 22/11/22 | 07:00:06 | 22 Nov 2022 | | Italia MDC: Project update and new investment |
| 04/11/22 | 11:05:51 | 4 Nov 2022 | | Second Price Monitoring Extn |
| 04/11/22 | 11:00:38 | 4 Nov 2022 | | Price Monitoring Extension |
