| 07/10/26 | 07:00:05 | 7 Oct 2026 | | LoI to Explore Caribbean Waste-to-Energy Research | RNS |
| 21/09/26 | 07:00:08 | 21 Sept 2026 | | Half-year Financial Report | RNS |
| 03/09/26 | 15:10:40 | 3 Sept 2026 | | Result of AGM | RNS |
| 28/07/26 | 07:00:06 | 28 Jul 2026 | | Notice of Annual General Meeting | RNS |
| 29/06/26 | 07:00:09 | 29 Jun 2026 | | 2025 Audited Results & Upcoming Board Changes | RNS |
| 08/06/26 | 07:00:12 | 8 Jun 2026 | | Major New Horizon Europe Project | RNS |
| 02/06/26 | 17:00:00 | 2 Jun 2026 | | Oversubscribed Retail Offer and TVR | RNS |
| 01/06/26 | 07:05:00 | 1 Jun 2026 | | Retail Offer through the BookBuild platform | RNS |
| 01/06/26 | 07:00:12 | 1 Jun 2026 | | Results of Placing and TVR | RNS |
| 29/05/26 | 13:45:01 | 29 May 2026 | | Proposed Placing and Retail Offer | RNS |
| 18/05/26 | 07:00:10 | 18 May 2026 | | Energy From Waste Innovation Award | RNS |
| 14/05/26 | 12:57:16 | 14 May 2026 | | Result of General Meeting and TVR | RNS |
| 28/04/26 | 07:00:11 | 28 Apr 2026 | | Operational Update | RNS |
| 27/04/26 | 07:00:10 | 27 Apr 2026 | | Oversubscribed Retail Offer | RNS |
| 23/04/26 | 07:05:01 | 23 Apr 2026 | | Retail Offer through the BookBuild Platform | RNS |
| 23/04/26 | 07:00:07 | 23 Apr 2026 | | Conditional Placing to Raise £400,000 | RNS |
| 13/04/26 | 07:00:09 | 13 Apr 2026 | | Granting of non-exclusive licence to HUI | RNS |
| 17/03/26 | 09:20:39 | 17 Mar 2026 | | Publication of Research Report | RNS |
| 02/03/26 | 07:00:15 | 2 Mar 2026 | | MENA, GCC and Asia Marketing Agreement | RNS |
| 28/01/26 | 07:00:09 | 28 Jan 2026 | | Submission of Planning Application | RNS |
| 26/01/26 | 07:00:07 | 26 Jan 2026 | | Signing of Agreement to Lease Site in Ballymena | RNS |
| 05/12/25 | 07:00:07 | 5 Dec 2025 | | Change of Advisers | RNS |
| 01/12/25 | 07:00:05 | 1 Dec 2025 | | Australian Project update | RNS |
| 24/11/25 | 07:00:11 | 24 Nov 2025 | | Engsolve Trading update | RNS |
| 20/11/25 | 07:00:15 | 20 Nov 2025 | | Further Patent Grants | RNS |
| 18/09/25 | 07:00:03 | 18 Sept 2025 | | Feedstock Testing Unit update | RNS |
| 16/09/25 | 07:00:12 | 16 Sept 2025 | | Half Year Report for 6 months ended 30 June 2025 | RNS |
| 01/09/25 | 07:00:12 | 1 Sept 2025 | | Publication of Research Report | RNS |
| 31/07/25 | 12:36:26 | 31 Jul 2025 | | Director’s Dealing | RNS |
| 10/07/25 | 14:12:32 | 10 Jul 2025 | | Result of AGM | RNS |
| 10/07/25 | 07:00:02 | 10 Jul 2025 | | AGM Update | RNS |
| 03/07/25 | 07:00:13 | 3 Jul 2025 | | Letter of Intent – Hydrogen offtake, Ballymena, NI | RNS |
| 30/06/25 | 07:00:03 | 30 Jun 2025 | | Completion of FEED for NH2 | RNS |
| 10/06/25 | 07:00:08 | 10 Jun 2025 | | Audited Results for Year Ended 31 December 2024 | RNS |
| 29/05/25 | 14:36:10 | 29 May 2025 | | New Website | RNS |
| 22/05/25 | 07:00:10 | 22 May 2025 | | Further Patent Grants | RNS |
| 20/05/25 | 08:52:00 | 20 May 2025 | | Engsolve Trading update | RNS |
| 25/04/25 | 14:31:48 | 25 Apr 2025 | | Director’s Dealing | RNS |
| 20/03/25 | 07:00:09 | 20 Mar 2025 | | Result of Retail Offering and TVR | RNS |
| 14/03/25 | 17:15:01 | 14 Mar 2025 | | Retail Offer | RNS |
| 14/03/25 | 17:15:00 | 14 Mar 2025 | | £1.25m Placing, Options Grant, Retail Offer & TVR | RNS |
| 04/03/25 | 07:00:06 | 4 Mar 2025 | | Capital Markets Day Presentation | RNS |
| 10/02/25 | 07:00:09 | 10 Feb 2025 | | Notice of Capital Markets Day | RNS |
| 20/01/25 | 07:00:08 | 20 Jan 2025 | | Proposed collaboration agreement with Avioxx | RNS |
| 16/12/24 | 07:00:03 | 16 Dec 2024 | | Technical Centre Update – Mechanical Completion | RNS |
| 18/11/24 | 07:00:02 | 18 Nov 2024 | | Award of FEED to Engsolve | RNS |
| 11/11/24 | 07:00:08 | 11 Nov 2024 | | Japanese Patent Grant Confirmed | RNS |
| 25/10/24 | 16:13:28 | 25 Oct 2024 | | Award of share options | RNS |
| 15/10/24 | 07:00:04 | 15 Oct 2024 | | European Patent Grant Confirmed | RNS |
| 01/10/24 | 07:00:13 | 1 Oct 2024 | | Update on Technical Centre | RNS |