| 07/08/24 | 07:00:05 | 7 Aug 2024 | | Appointment of Broker | RNS |
| 28/06/24 | 07:00:12 | 28 Jun 2024 | | Result of AGM | RNS |
| 19/06/24 | 07:00:05 | 19 Jun 2024 | | Delivery of Kiln to Technical Centre | RNS |
| 10/06/24 | 07:00:08 | 10 Jun 2024 | | Directorate Update | RNS |
| 07/06/24 | 13:21:55 | 7 Jun 2024 | | Exercise of Warrants | RNS |
| 06/06/24 | 07:00:04 | 6 Jun 2024 | | Exercise of Warrants | RNS |
| 03/06/24 | 07:00:09 | 3 Jun 2024 | | Audited Results for Year Ended 31 December 2023 | RNS |
| 22/05/24 | 07:00:09 | 22 May 2024 | | Resolution of European Patent Challenge | RNS |
| 21/05/24 | 09:46:47 | 21 May 2024 | | Granting of GB Patent Application | RNS |
| 16/04/24 | 07:00:06 | 16 Apr 2024 | | Technical Centre Update | RNS |
| 18/03/24 | 07:00:08 | 18 Mar 2024 | | Subsidiary Contract | RNS |
| 11/03/24 | 07:00:04 | 11 Mar 2024 | | Update on Longford Project JV | RNS |
| 22/02/24 | 07:00:03 | 22 Feb 2024 | | Framework Agreement with National Hydrogen | RNS |
| 19/02/24 | 12:32:31 | 19 Feb 2024 | | Corporate Activity Update | RNS |
| 06/02/24 | 17:20:27 | 6 Feb 2024 | | Update on European Patent Claim | RNS |
| 31/01/24 | 07:00:11 | 31 Jan 2024 | | Appointment of Nominated & Financial Adviser | RNS |
| 12/12/23 | 07:00:15 | 12 Dec 2023 | | Director’s Dealing | RNS |
| 11/12/23 | 07:00:10 | 11 Dec 2023 | | Director’s Dealing | RNS |
| 08/12/23 | 07:00:07 | 8 Dec 2023 | | Directorate Update | RNS |
| 27/11/23 | 07:00:10 | 27 Nov 2023 | | Directorate Update | RNS |
| 15/11/23 | 07:00:12 | 15 Nov 2023 | | Directorate Change | RNS |
| 06/11/23 | 07:00:14 | 6 Nov 2023 | | European Patent update | RNS |
| 30/10/23 | 07:00:16 | 30 Oct 2023 | | Deferral of Commitment to JV with HUI | RNS |
| 06/10/23 | 14:16:33 | 6 Oct 2023 | | Powerhouse Technology Centre Project Update | RNS |
| 15/09/23 | 07:00:05 | 15 Sept 2023 | | European Patent Grant Confirmed | RNS |
| 07/09/23 | 16:05:18 | 7 Sept 2023 | | Result of AGM | RNS |
| 06/09/23 | 07:05:01 | 6 Sept 2023 | | Half Year Report | RNS |
| 06/09/23 | 07:00:06 | 6 Sept 2023 | | Change of directorate | RNS |
| 22/08/23 | 07:00:06 | 22 Aug 2023 | | Placing to raise £1,000,000 and issue of equity | RNS |
| 16/08/23 | 07:00:07 | 16 Aug 2023 | | Notice of AGM | RNS |
| 13/07/23 | 07:00:03 | 13 Jul 2023 | | European Patent Application Allowed | RNS |
| 30/06/23 | 07:00:04 | 30 Jun 2023 | | Audited Results for Year Ended 31 December 2022 | RNS |
| 22/06/23 | 07:00:03 | 22 Jun 2023 | | Acquisition of entire shareholding of Engsolve Ltd | RNS |
| 30/05/23 | 07:00:06 | 30 May 2023 | | Appointment of representative in Northern Ireland | RNS |
| 02/05/23 | 07:00:10 | 2 May 2023 | | Acquisition of the entire shareholding of Protos | RNS |
| 03/04/23 | 07:00:09 | 3 Apr 2023 | | Extension of agreements with Peel | RNS |
| 31/03/23 | 07:00:09 | 31 Mar 2023 | | PHE discussions with National Hydrogen Australia | RNS |
| 21/03/23 | 07:00:01 | 21 Mar 2023 | | Joint Venture with HUI Plc | RNS |
| 16/03/23 | 09:00:01 | 16 Mar 2023 | | Completion of lease on Technology Centre | RNS |
| 27/02/23 | 07:00:08 | 27 Feb 2023 | | Holding(s) in Company | RNS |
| 27/02/23 | 07:00:08 | 27 Feb 2023 | | Holding(s) in Company | RNS |
| 27/02/23 | 07:00:08 | 27 Feb 2023 | | Holding(s) in Company | RNS |
| 22/02/23 | 16:40:36 | 22 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 22/02/23 | 16:35:25 | 22 Feb 2023 | | Price Monitoring Extension | RNS |
| 22/02/23 | 11:05:35 | 22 Feb 2023 | | Second Price Monitoring Extn | RNS |
| 22/02/23 | 11:00:23 | 22 Feb 2023 | | Price Monitoring Extension | RNS |
| 22/02/23 | 07:00:08 | 22 Feb 2023 | | Framework Services agreement with Petrofac | RNS |
| 16/02/23 | 11:05:01 | 16 Feb 2023 | | Directorate Change | RNS |
| 23/01/23 | 12:27:01 | 23 Jan 2023 | | Update on Konin facility, Poland | RNS |
| 12/01/23 | 11:05:33 | 12 Jan 2023 | | Second Price Monitoring Extn | RNS |
