| 08/12/22 | 14:10:22 | 8 Dec 2022 | | Director/PDMR Shareholding | RNS |
| 30/11/22 | 07:00:03 | 30 Nov 2022 | | Sale of Chromium business | RNS |
| 23/11/22 | 15:54:04 | 23 Nov 2022 | | Holding(s) in Company | RNS |
| 16/11/22 | 13:43:11 | 16 Nov 2022 | | Holding(s) in Company | RNS |
| 10/11/22 | 09:40:09 | 10 Nov 2022 | | Holding(s) in Company | RNS |
| 10/11/22 | 07:00:11 | 10 Nov 2022 | | Directorate Change | RNS |
| 01/11/22 | 09:48:47 | 1 Nov 2022 | | Total Voting Rights | RNS |
| 31/10/22 | 15:23:49 | 31 Oct 2022 | | Holding(s) in Company | RNS |
| 26/10/22 | 07:00:04 | 26 Oct 2022 | | Q3 Trading Update | RNS |
| 18/10/22 | 15:13:16 | 18 Oct 2022 | | Holding(s) in Company | RNS |
| 03/10/22 | 09:39:13 | 3 Oct 2022 | | Total Voting Rights | RNS |
| 29/09/22 | 12:45:42 | 29 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 29/09/22 | 10:12:09 | 29 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 22/09/22 | 11:17:54 | 22 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 21/09/22 | 16:58:10 | 21 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 21/09/22 | 15:48:45 | 21 Sept 2022 | | Director/PDMR Shareholding | RNS |
| 06/09/22 | 12:52:06 | 6 Sept 2022 | | Director Declaration | RNS |
| 05/09/22 | 16:14:12 | 5 Sept 2022 | | Additional Listing | RNS |
| 01/09/22 | 12:39:14 | 1 Sept 2022 | | Holding(s) in Company | RNS |
| 01/09/22 | 09:15:05 | 1 Sept 2022 | | Block listing Interim Review | RNS |
| 01/09/22 | 09:00:05 | 1 Sept 2022 | | Total Voting Rights | RNS |
| 02/08/22 | 07:00:03 | 2 Aug 2022 | | Half-year Report | RNS |
| 01/08/22 | 11:08:58 | 1 Aug 2022 | | Total Voting Rights | RNS |
| 21/07/22 | 15:14:48 | 21 Jul 2022 | | Holding(s) in Company | RNS |
| 01/07/22 | 09:47:45 | 1 Jul 2022 | | Total Voting Rights | RNS |
| 20/06/22 | 13:54:22 | 20 Jun 2022 | | Holding(s) in Company | RNS |
| 17/06/22 | 16:35:28 | 17 Jun 2022 | | Price Monitoring Extension | RNS |
| 03/05/22 | 10:27:59 | 3 May 2022 | | Total Voting Rights | RNS |
| 03/05/22 | 07:00:14 | 3 May 2022 | | Company Secretary Change | RNS |
| 26/04/22 | 12:28:31 | 26 Apr 2022 | | Result of AGM | RNS |
| 26/04/22 | 07:00:09 | 26 Apr 2022 | | AGM Trading Statement | RNS |
| 05/04/22 | 16:17:34 | 5 Apr 2022 | | Director/PDMR Shareholding | RNS |
| 23/03/22 | 15:52:11 | 23 Mar 2022 | | Additional Listing | RNS |
| 22/03/22 | 16:18:03 | 22 Mar 2022 | | Annual Financial Report & Notice of AGM | RNS |
| 15/03/22 | 07:53:01 | 15 Mar 2022 | | Directorate Change | RNS |
| 08/03/22 | 12:18:33 | 8 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 08/03/22 | 12:17:27 | 8 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 08/03/22 | 11:47:25 | 8 Mar 2022 | | Holding(s) in Company | RNS |
| 08/03/22 | 10:43:55 | 8 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 08/03/22 | 10:39:50 | 8 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 07/03/22 | 15:26:46 | 7 Mar 2022 | | Holding(s) in Company | RNS |
| 03/03/22 | 07:00:08 | 3 Mar 2022 | | Preliminary results year ended 31 December 2021 | RNS |
| 01/03/22 | 14:03:00 | 1 Mar 2022 | | Director Declaration | RNS |
| 01/03/22 | 11:18:58 | 1 Mar 2022 | | Block listing Interim Review | RNS |
| 18/01/22 | 07:00:04 | 18 Jan 2022 | | Trading Update | RNS |
| 10/01/22 | 13:20:23 | 10 Jan 2022 | | Holding(s) in Company | RNS |
| 04/01/22 | 11:48:45 | 4 Jan 2022 | | Total Voting Rights | RNS |
| 01/12/21 | 11:10:13 | 1 Dec 2021 | | Total Voting Rights | RNS |
| 10/11/21 | 12:20:21 | 10 Nov 2021 | | Holding(s) in Company | RNS |
| 03/11/21 | 11:25:10 | 3 Nov 2021 | | Holding(s) in Company | RNS |
