| 06/12/23 | 16:33:02 | 6 Dec 2023 | | Holding(s) in Company | RNS |
| 01/12/23 | 12:13:10 | 1 Dec 2023 | | Total Voting Rights | RNS |
| 23/11/23 | 07:00:12 | 23 Nov 2023 | | Directorship Changes | RNS |
| 22/11/23 | 14:31:10 | 22 Nov 2023 | | Additional Listing | RNS |
| 03/11/23 | 16:15:28 | 3 Nov 2023 | | Holding(s) in Company | RNS |
| 02/11/23 | 07:00:05 | 2 Nov 2023 | | Trading Update | RNS |
| 01/11/23 | 11:14:18 | 1 Nov 2023 | | Total Voting Rights | RNS |
| 26/10/23 | 16:43:35 | 26 Oct 2023 | | Holding(s) in Company | RNS |
| 20/10/23 | 09:05:11 | 20 Oct 2023 | | Block listing Interim Review | RNS |
| 10/10/23 | 11:44:21 | 10 Oct 2023 | | Additional Listing | RNS |
| 12/09/23 | 15:12:12 | 12 Sept 2023 | | Holding(s) in Company | RNS |
| 04/09/23 | 12:51:57 | 4 Sept 2023 | | AGM Voting Update | RNS |
| 01/09/23 | 09:45:48 | 1 Sept 2023 | | Total Voting Rights | RNS |
| 22/08/23 | 15:56:09 | 22 Aug 2023 | | Additional Listing | RNS |
| 10/08/23 | 11:50:36 | 10 Aug 2023 | | Director/PDMR Shareholding | RNS |
| 10/08/23 | 11:45:25 | 10 Aug 2023 | | Director/PDMR Shareholding | RNS |
| 02/08/23 | 18:30:45 | 2 Aug 2023 | | Results for the Half Year (HY) Ended 30 June 2023 | RNS |
| 01/08/23 | 11:13:34 | 1 Aug 2023 | | Total Voting Rights | RNS |
| 10/07/23 | 07:00:07 | 10 Jul 2023 | | Notice of Half Year Results | RNS |
| 03/07/23 | 10:37:15 | 3 Jul 2023 | | Total Voting Rights | RNS |
| 29/06/23 | 07:00:04 | 29 Jun 2023 | | Trading Update | RNS |
| 14/06/23 | 14:10:04 | 14 Jun 2023 | | Additional Listing | RNS |
| 14/06/23 | 09:13:42 | 14 Jun 2023 | | Holding(s) in Company | RNS |
| 12/06/23 | 15:50:57 | 12 Jun 2023 | | Holding(s) in Company | RNS |
| 01/06/23 | 09:16:54 | 1 Jun 2023 | | Total Voting Rights | RNS |
| 31/05/23 | 16:10:16 | 31 May 2023 | | Holding(s) in Company | RNS |
| 10/05/23 | 11:19:05 | 10 May 2023 | | Additional Listing | RNS |
| 05/05/23 | 14:38:32 | 5 May 2023 | | Holding(s) in Company | RNS |
| 04/05/23 | 12:44:52 | 4 May 2023 | | Result of AGM | RNS |
| 04/05/23 | 07:00:03 | 4 May 2023 | | Trading Update | RNS |
| 20/04/23 | 10:24:09 | 20 Apr 2023 | | Block listing Interim Review | RNS |
| 23/03/23 | 13:51:29 | 23 Mar 2023 | | Annual Financial Report | RNS |
| 21/03/23 | 16:24:54 | 21 Mar 2023 | | Additional Listing | RNS |
| 16/03/23 | 15:34:20 | 16 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 16/03/23 | 13:52:05 | 16 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 14/03/23 | 07:00:07 | 14 Mar 2023 | | UK Government Self Remediation Contract | RNS |
| 13/03/23 | 14:40:37 | 13 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 03/03/23 | 11:58:43 | 3 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 03/03/23 | 11:57:38 | 3 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 02/03/23 | 16:42:20 | 2 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 02/03/23 | 16:41:16 | 2 Mar 2023 | | Director/PDMR Shareholding | RNS |
| 01/03/23 | 11:28:08 | 1 Mar 2023 | | Total Voting Rights | RNS |
| 23/02/23 | 07:00:08 | 23 Feb 2023 | | Final Results | RNS |
| 06/02/23 | 07:00:04 | 6 Feb 2023 | | Notice of Full Year Results | RNS |
| 01/02/23 | 13:04:33 | 1 Feb 2023 | | Total Voting Rights | RNS |
| 25/01/23 | 14:59:06 | 25 Jan 2023 | | Holding(s) in Company | RNS |
| 03/01/23 | 13:56:24 | 3 Jan 2023 | | Total Voting Rights | RNS |
| 12/12/22 | 08:25:39 | 12 Dec 2022 | | Holding(s) in Company | RNS |
| 05/12/22 | 15:37:26 | 5 Dec 2022 | | Holding(s) in Company | RNS |
| 02/12/22 | 09:06:58 | 2 Dec 2022 | | Total Voting Rights | RNS |
