| 21/04/23 | 07:00:01 | 21 Apr 2023 | | Transaction in Own Shares | RNS |
| 20/04/23 | 07:00:03 | 20 Apr 2023 | | Transaction in Own Shares | RNS |
| 19/04/23 | 07:00:02 | 19 Apr 2023 | | Transaction in Own Shares | RNS |
| 18/04/23 | 07:00:06 | 18 Apr 2023 | | Transaction in Own Shares | RNS |
| 17/04/23 | 15:32:20 | 17 Apr 2023 | | Notice of AGM | RNS |
| 17/04/23 | 07:00:03 | 17 Apr 2023 | | Transaction in Own Shares | RNS |
| 14/04/23 | 07:00:03 | 14 Apr 2023 | | Transaction in Own Shares | RNS |
| 13/04/23 | 07:00:03 | 13 Apr 2023 | | Transaction in Own Shares | RNS |
| 12/04/23 | 07:00:03 | 12 Apr 2023 | | Transaction in Own Shares | RNS |
| 11/04/23 | 07:00:06 | 11 Apr 2023 | | Transaction in Own Shares | RNS |
| 06/04/23 | 08:19:11 | 6 Apr 2023 | | Director/PDMR Shareholding | RNS |
| 06/04/23 | 07:00:04 | 6 Apr 2023 | | Transaction in Own Shares | RNS |
| 05/04/23 | 07:00:02 | 5 Apr 2023 | | Transaction in Own Shares | RNS |
| 04/04/23 | 08:49:54 | 4 Apr 2023 | | Director/PDMR Shareholding | RNS |
| 04/04/23 | 07:00:04 | 4 Apr 2023 | | Transaction in Own Shares | RNS |
| 03/04/23 | 07:02:05 | 3 Apr 2023 | | Director/PDMR Shareholding | RNS |
| 03/04/23 | 07:00:10 | 3 Apr 2023 | | Transaction in Own Shares | RNS |
| 30/03/23 | 07:00:04 | 30 Mar 2023 | | Transaction in Own Shares | RNS |
| 29/03/23 | 07:05:01 | 29 Mar 2023 | | Statement re Launch of Share Buyback Programme | RNS |
| 29/03/23 | 07:00:05 | 29 Mar 2023 | | Results for the Full Year Ended 31 December 2022 | RNS |
| 21/03/23 | 16:03:40 | 21 Mar 2023 | | Statement re 2022 Full Year Results Revised Date | RNS |
| 02/03/23 | 10:20:01 | 2 Mar 2023 | | Notice of Full Year 2022 Results | RNS |
| 01/03/23 | 09:19:21 | 1 Mar 2023 | | Total Voting Rights | RNS |
| 21/02/23 | 08:00:02 | 21 Feb 2023 | | Holding(s) in Company | RNS |
| 02/02/23 | 07:00:03 | 2 Feb 2023 | | Special Dividend and Share Buyback Programme | RNS |
| 01/02/23 | 08:00:01 | 1 Feb 2023 | | Total Voting Rights | RNS |
| 18/01/23 | 12:06:46 | 18 Jan 2023 | | Director Declaration | RNS |
| 06/01/23 | 07:00:04 | 6 Jan 2023 | | FY22 Pre-Close Trading Update | RNS |
| 03/01/23 | 07:10:05 | 3 Jan 2023 | | Total Voting Rights | RNS |
| 03/01/23 | 07:00:09 | 3 Jan 2023 | | Directorate Change | RNS |
| 20/12/22 | 10:47:52 | 20 Dec 2022 | | Holding(s) in Company | RNS |
| 16/12/22 | 07:00:04 | 16 Dec 2022 | | Directorate Change | RNS |
| 16/12/22 | 07:00:04 | 16 Dec 2022 | | Holding(s) in Company | RNS |
| 14/12/22 | 07:00:04 | 14 Dec 2022 | | Holding(s) in Company | RNS |
| 07/12/22 | 12:00:02 | 7 Dec 2022 | | Holding(s) in Company | RNS |
| 05/12/22 | 10:31:00 | 5 Dec 2022 | | Completion of the sale of Filters business | RNS |
| 05/12/22 | 09:10:27 | 5 Dec 2022 | | Total Voting Rights | RNS |
| 01/12/22 | 08:00:02 | 1 Dec 2022 | | Holding(s) in Company | RNS |
| 01/12/22 | 07:00:05 | 1 Dec 2022 | | Acquisition of the Wixroyd Group | RNS |
| 28/11/22 | 07:00:09 | 28 Nov 2022 | | Holding(s) in Company | RNS |
| 17/11/22 | 14:40:10 | 17 Nov 2022 | | Holding(s) in Company | RNS |
| 15/11/22 | 07:00:04 | 15 Nov 2022 | | Capital Markets Event | RNS |
| 10/11/22 | 10:43:32 | 10 Nov 2022 | | Holding(s) in Company | RNS |
| 09/11/22 | 12:49:00 | 9 Nov 2022 | | Result of General Meeting | RNS |
| 07/11/22 | 07:00:10 | 7 Nov 2022 | | Holding(s) in Company | RNS |
| 02/11/22 | 07:00:06 | 2 Nov 2022 | | Total Voting Rights | RNS |
| 28/10/22 | 14:36:04 | 28 Oct 2022 | | Capital Markets Event - date rescheduled | RNS |
| 21/10/22 | 14:48:22 | 21 Oct 2022 | | Circ re. Publication of Class 1 and Notice of GM | RNS |
| 21/10/22 | 07:00:03 | 21 Oct 2022 | | Q3 2022 Trading Update | RNS |
| 18/10/22 | 16:04:31 | 18 Oct 2022 | | Holding(s) in Company | RNS |
