| 21/03/23 | 11:00:27 | 21 Mar 2023 | | Price Monitoring Extension | RNS |
| 21/03/23 | 08:14:28 | 21 Mar 2023 | | Proposed Equity Issue to raise approximately £3.5m | RNS |
| 14/03/23 | 16:35:35 | 14 Mar 2023 | | Price Monitoring Extension | RNS |
| 14/03/23 | 09:00:14 | 14 Mar 2023 | | Price Monitoring Extension | RNS |
| 14/03/23 | 07:00:06 | 14 Mar 2023 | | Italy Market Development Centre operational | RNS |
| 01/03/23 | 07:00:12 | 1 Mar 2023 | | Holding(s) in Company | RNS |
| 01/03/23 | 07:00:10 | 1 Mar 2023 | | Update on Deeside project share purchase agreement | RNS |
| 28/02/23 | 14:05:28 | 28 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 28/02/23 | 14:00:19 | 28 Feb 2023 | | Price Monitoring Extension | RNS |
| 06/02/23 | 07:00:03 | 6 Feb 2023 | | 2022 Trading Update | RNS |
| 22/12/22 | 08:00:01 | 22 Dec 2022 | | Amendments to Employment Incentive Warrant Pool | RNS |
| 22/12/22 | 07:00:03 | 22 Dec 2022 | | Mechanical and electrical completion at Italia MDC | RNS |
| 20/12/22 | 07:00:10 | 20 Dec 2022 | | Option for Grant of a Lease for Billingham Site | RNS |
| 09/12/22 | 07:00:04 | 9 Dec 2022 | | Agreement of loan facility with Altair Group | RNS |
| 01/12/22 | 11:05:38 | 1 Dec 2022 | | Second Price Monitoring Extn | RNS |
| 01/12/22 | 11:00:18 | 1 Dec 2022 | | Price Monitoring Extension | RNS |
| 01/12/22 | 07:00:05 | 1 Dec 2022 | | Deeside Project SPV Sale and Trading Updates | RNS |
| 29/11/22 | 07:00:06 | 29 Nov 2022 | | Director Dealing and Exercise of Warrants | RNS |
| 22/11/22 | 14:05:51 | 22 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 22/11/22 | 14:00:26 | 22 Nov 2022 | | Price Monitoring Extension | RNS |
| 22/11/22 | 07:00:06 | 22 Nov 2022 | | Italia MDC: Project update and new investment | RNS |
| 04/11/22 | 11:05:51 | 4 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 04/11/22 | 11:00:38 | 4 Nov 2022 | | Price Monitoring Extension | RNS |
| 31/10/22 | 07:00:07 | 31 Oct 2022 | | R&D facility upgraded for hydrogen and RNG testing | RNS |
| 14/10/22 | 16:41:18 | 14 Oct 2022 | | Second Price Monitoring Extn | RNS |
| 14/10/22 | 16:36:26 | 14 Oct 2022 | | Price Monitoring Extension | RNS |
| 12/10/22 | 16:17:15 | 12 Oct 2022 | | North Fork project finance update | RNS |
| 07/10/22 | 07:00:04 | 7 Oct 2022 | | Holdings in MetalNRG plc and Convertible Loan Note | RNS |
| 30/09/22 | 11:45:19 | 30 Sept 2022 | | Variation to Billingham Land Purchase Agreement | RNS |
| 29/09/22 | 07:00:11 | 29 Sept 2022 | | Interim results | RNS |
| 28/09/22 | 10:36:19 | 28 Sept 2022 | | Notice of Results and Investor Presentation | RNS |
| 26/09/22 | 07:00:10 | 26 Sept 2022 | | Heads of Terms toward Sale of Deeside Project | RNS |
| 21/09/22 | 07:00:06 | 21 Sept 2022 | | Southport Project Ownership Update | RNS |
| 13/09/22 | 07:00:12 | 13 Sept 2022 | | Appointment of Joint Broker | RNS |
| 08/09/22 | 07:00:11 | 8 Sept 2022 | | Mixed feedstock MDC approved by French government | RNS |
| 01/09/22 | 07:00:08 | 1 Sept 2022 | | Update on Deeside Project | RNS |
| 20/07/22 | 13:02:33 | 20 Jul 2022 | | Favourable Ruling for Acquisition of France MDC | RNS |
| 18/07/22 | 07:05:05 | 18 Jul 2022 | | Resolution to grant planning consent at Southport | RNS |
| 18/07/22 | 07:00:05 | 18 Jul 2022 | | Petrofac selected for FEED on Billingham Project | RNS |
| 14/07/22 | 07:00:08 | 14 Jul 2022 | | Result of Placing, Subscription, PrimaryBid Offer | RNS |
| 13/07/22 | 16:52:45 | 13 Jul 2022 | | PrimaryBid Offer | RNS |
| 13/07/22 | 16:50:32 | 13 Jul 2022 | | Proposed Placing, PrimaryBid Offer & Subscription | RNS |
| 11/07/22 | 07:00:06 | 11 Jul 2022 | | Appointment of Black & Veatch on Deeside Project | RNS |
| 07/07/22 | 09:34:44 | 7 Jul 2022 | | Collaboration Framework Agreement with CompactGTL | RNS |
| 04/07/22 | 11:05:49 | 4 Jul 2022 | | Second Price Monitoring Extn | RNS |
| 04/07/22 | 11:00:26 | 4 Jul 2022 | | Price Monitoring Extension | RNS |
| 01/07/22 | 16:35:59 | 1 Jul 2022 | | Price Monitoring Extension | RNS |
| 30/06/22 | 07:05:04 | 30 Jun 2022 | | Wood Selected for Waste-to-Hydrogen at Southport | RNS |
| 30/06/22 | 07:00:08 | 30 Jun 2022 | | Deeside Project Update and Extension to SPA | RNS |
| 24/06/22 | 10:32:53 | 24 Jun 2022 | | Collaboration with Anaergia for Southport Project | RNS |
