| 09/05/23 | 11:41:08 | 9 May 2023 | | Holding(s) in Company |
| 09/05/23 | 09:16:17 | 9 May 2023 | | Contract Win |
| 02/05/23 | 14:47:24 | 2 May 2023 | | Director/PDMR Shareholding |
| 02/05/23 | 14:42:28 | 2 May 2023 | | EBT Purchase of Shares |
| 02/05/23 | 14:36:43 | 2 May 2023 | | Total Voting Rights |
| 27/04/23 | 09:00:00 | 27 Apr 2023 | | Contract Announcement |
| 05/04/23 | 07:00:06 | 5 Apr 2023 | | Contract Announcement |
| 03/04/23 | 10:30:21 | 3 Apr 2023 | | Total Voting Rights |
| 03/04/23 | 07:00:16 | 3 Apr 2023 | | Block Listing Six Monthly Return |
| 23/03/23 | 07:00:06 | 23 Mar 2023 | | MASS contracted to supply EW Operation Support |
| 22/03/23 | 07:00:09 | 22 Mar 2023 | | Chess awarded contract extension |
| 14/03/23 | 10:30:01 | 14 Mar 2023 | | Director/PDMR Shareholding |
| 01/03/23 | 12:38:50 | 1 Mar 2023 | | Total Voting Rights |
| 28/02/23 | 07:00:10 | 28 Feb 2023 | | Recording of Investor Presentation |
| 24/02/23 | 13:25:01 | 24 Feb 2023 | | Block listing Interim Review |
| 17/02/23 | 10:13:09 | 17 Feb 2023 | | Director/PDMR Shareholding |
| 15/02/23 | 10:30:01 | 15 Feb 2023 | | Director/PDMR Shareholding |
| 01/02/23 | 09:42:36 | 1 Feb 2023 | | Total Voting Rights |
| 27/01/23 | 15:30:00 | 27 Jan 2023 | | EBT Purchase of Shares |
| 20/01/23 | 07:00:04 | 20 Jan 2023 | | Investor Presentation |
| 16/01/23 | 07:00:04 | 16 Jan 2023 | | Interim Report 2022 |
| 03/01/23 | 16:00:01 | 3 Jan 2023 | | EBT Purchase of Shares |
| 03/01/23 | 15:30:02 | 3 Jan 2023 | | Total Voting Rights |
| 22/12/22 | 17:14:50 | 22 Dec 2022 | | EBT Purchase of Shares |
| 14/12/22 | 16:51:51 | 14 Dec 2022 | | Holding(s) in Company |
| 14/12/22 | 07:00:03 | 14 Dec 2022 | | Half Year Results |
| 05/12/22 | 11:30:01 | 5 Dec 2022 | | Notice of Results |
| 30/11/22 | 16:41:25 | 30 Nov 2022 | | Second Price Monitoring Extn |
| 30/11/22 | 16:36:11 | 30 Nov 2022 | | Price Monitoring Extension |
| 30/11/22 | 15:18:41 | 30 Nov 2022 | | Total Voting Rights |
| 24/11/22 | 07:00:05 | 24 Nov 2022 | | MASS awarded contract extension |
| 31/10/22 | 16:50:28 | 31 Oct 2022 | | Total Voting Rights |
| 21/10/22 | 16:40:00 | 21 Oct 2022 | | Director/PDMR Shareholding |
| 21/10/22 | 09:44:28 | 21 Oct 2022 | | Director/PDMR Shareholding |
| 11/10/22 | 14:15:16 | 11 Oct 2022 | | Director/PDMR Shareholding |
| 05/10/22 | 16:46:18 | 5 Oct 2022 | | BLOCK LISTING SIX MONTHLY RETURN |
| 30/09/22 | 11:04:16 | 30 Sept 2022 | | Total Voting Rights |
| 29/09/22 | 17:18:08 | 29 Sept 2022 | | Director/PDMR Shareholding |
| 28/09/22 | 07:00:10 | 28 Sept 2022 | | Result of AGM |
| 27/09/22 | 07:00:08 | 27 Sept 2022 | | AGM Statement and First Quarter Update |
| 08/09/22 | 07:00:14 | 8 Sept 2022 | | Director/PDMR Shareholding |
| 07/09/22 | 07:00:01 | 7 Sept 2022 | | SEA AWARDED UPGRADE CONTRACT WITH MOD |
| 31/08/22 | 14:15:05 | 31 Aug 2022 | | Total Voting Rights |
| 25/08/22 | 07:00:01 | 25 Aug 2022 | | Annual Report and Notice of Annual General Meeting |
| 24/08/22 | 09:30:01 | 24 Aug 2022 | | Block listing Interim Review |
| 12/08/22 | 10:04:43 | 12 Aug 2022 | | Director Share Awards and Shareholdings |
| 11/08/22 | 12:06:37 | 11 Aug 2022 | | Transfer of Shares |
| 10/08/22 | 14:59:37 | 10 Aug 2022 | | Director/PDMR Shareholding |
| 29/07/22 | 12:40:37 | 29 Jul 2022 | | Total Voting Rights |
| 28/07/22 | 07:00:18 | 28 Jul 2022 | | Directorate Change |