| 07/03/23 | 16:35:18 | 7 Mar 2023 | | Price Monitoring Extension | RNS |
| 12/01/23 | 16:40:22 | 12 Jan 2023 | | Second Price Monitoring Extn | RNS |
| 12/01/23 | 16:35:18 | 12 Jan 2023 | | Price Monitoring Extension | RNS |
| 09/01/23 | 12:16:52 | 9 Jan 2023 | | Director Dealing | RNS |
| 03/01/23 | 09:39:50 | 3 Jan 2023 | | TR1: Notification of Major Holdings | RNS |
| 30/12/22 | 07:00:03 | 30 Dec 2022 | | Issue of Equity | RNS |
| 28/12/22 | 11:44:27 | 28 Dec 2022 | | Replacement - Director Dealing | RNS |
| 28/12/22 | 07:00:08 | 28 Dec 2022 | | Director Dealing | RNS |
| 21/12/22 | 16:34:12 | 21 Dec 2022 | | Result of AGM | RNS |
| 19/12/22 | 07:00:08 | 19 Dec 2022 | | Change of Nominated Adviser & Director Appointment | RNS |
| 05/12/22 | 07:00:04 | 5 Dec 2022 | | Director Dealing | RNS |
| 01/12/22 | 10:20:28 | 1 Dec 2022 | | Director Dealing | RNS |
| 01/12/22 | 07:00:05 | 1 Dec 2022 | | Additional Test Orders from Vestas | RNS |
| 30/11/22 | 16:41:08 | 30 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 30/11/22 | 16:36:28 | 30 Nov 2022 | | Price Monitoring Extension | RNS |
| 30/11/22 | 14:05:45 | 30 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 30/11/22 | 14:00:25 | 30 Nov 2022 | | Price Monitoring Extension | RNS |
| 29/11/22 | 16:19:57 | 29 Nov 2022 | | Director Dealing | RNS |
| 28/11/22 | 09:05:55 | 28 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 28/11/22 | 09:00:20 | 28 Nov 2022 | | Price Monitoring Extension | RNS |
| 28/11/22 | 07:37:36 | 28 Nov 2022 | | Update | RNS |
| 25/11/22 | 18:31:16 | 25 Nov 2022 | | Interim Results | RNS |
| 25/11/22 | 18:30:47 | 25 Nov 2022 | | Final Results | RNS |
| 25/11/22 | 12:41:54 | 25 Nov 2022 | | Result of AGM | RNS |
| 23/11/22 | 17:13:07 | 23 Nov 2022 | | Updated Results Timetable | RNS |
| 09/11/22 | 07:05:01 | 9 Nov 2022 | | Proposed Placing and Notice of General Meeting | RNS |
| 09/11/22 | 07:00:04 | 9 Nov 2022 | | China Distribution Agreement | RNS |
| 25/10/22 | 14:11:24 | 25 Oct 2022 | | Holding(s) in Company | RNS |
| 20/10/22 | 12:34:55 | 20 Oct 2022 | | Holding(s) in Company | RNS |
| 14/10/22 | 16:06:52 | 14 Oct 2022 | | Holding(s) in Company | RNS |
| 29/06/22 | 07:00:07 | 29 Jun 2022 | | Update on Trading and Publication of Final Results | RNS |
| 23/12/21 | 08:47:30 | 23 Dec 2021 | | Further Volume Vestas Order Received | RNS |
| 24/11/21 | 16:41:08 | 24 Nov 2021 | | Second Price Monitoring Extn | RNS |
| 24/11/21 | 16:36:10 | 24 Nov 2021 | | Price Monitoring Extension | RNS |
| 24/11/21 | 14:05:42 | 24 Nov 2021 | | Second Price Monitoring Extn | RNS |
| 24/11/21 | 14:00:41 | 24 Nov 2021 | | Price Monitoring Extension | RNS |
| 24/11/21 | 12:45:20 | 24 Nov 2021 | | First Volume Order Received from Vestas | RNS |
| 29/09/21 | 07:00:09 | 29 Sept 2021 | | Half-year Report | RNS |
| 26/07/21 | 15:53:12 | 26 Jul 2021 | | Result of AGM | RNS |
| 30/06/21 | 18:15:12 | 30 Jun 2021 | | Final Results and Notice of AGM | RNS |
| 07/06/21 | 07:00:12 | 7 Jun 2021 | | New mobile emission detection project | RNS |
| 23/03/21 | 13:51:36 | 23 Mar 2021 | | Holdings in Company | RNS |
| 16/03/21 | 07:14:47 | 16 Mar 2021 | | Directorate Change | RNS |
| 26/02/21 | 16:41:23 | 26 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 26/02/21 | 16:36:11 | 26 Feb 2021 | | Price Monitoring Extension | RNS |
| 17/02/21 | 11:06:00 | 17 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 17/02/21 | 11:00:48 | 17 Feb 2021 | | Price Monitoring Extension | RNS |
| 17/02/21 | 09:05:21 | 17 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 17/02/21 | 09:00:08 | 17 Feb 2021 | | Price Monitoring Extension | RNS |
| 16/02/21 | 14:06:07 | 16 Feb 2021 | | Second Price Monitoring Extn | RNS |