| 18/07/24 | 16:25:02 | 18 Jul 2024 | | Director/PDMR Shareholding | RNS |
| 18/07/24 | 12:46:36 | 18 Jul 2024 | | Result of AGM | RNS |
| 18/07/24 | 07:00:03 | 18 Jul 2024 | | Transaction in Own Shares | RNS |
| 17/07/24 | 07:00:03 | 17 Jul 2024 | | Transaction in Own Shares | RNS |
| 16/07/24 | 07:00:02 | 16 Jul 2024 | | Transaction in Own Shares | RNS |
| 15/07/24 | 07:00:03 | 15 Jul 2024 | | Transaction in Own Shares | RNS |
| 12/07/24 | 07:00:05 | 12 Jul 2024 | | Transaction in Own Shares | RNS |
| 11/07/24 | 07:00:03 | 11 Jul 2024 | | Transaction in Own Shares | RNS |
| 10/07/24 | 07:00:03 | 10 Jul 2024 | | Transaction in Own Shares | RNS |
| 09/07/24 | 10:34:35 | 9 Jul 2024 | | Holding(s) in Company | RNS |
| 09/07/24 | 07:00:03 | 9 Jul 2024 | | Transaction in Own Shares | RNS |
| 08/07/24 | 07:00:04 | 8 Jul 2024 | | Transaction in Own Shares | RNS |
| 05/07/24 | 07:00:03 | 5 Jul 2024 | | Transaction in Own Shares | RNS |
| 04/07/24 | 17:06:35 | 4 Jul 2024 | | Holding(s) in Company | RNS |
| 04/07/24 | 07:00:03 | 4 Jul 2024 | | Transaction in Own Shares | RNS |
| 03/07/24 | 15:24:09 | 3 Jul 2024 | | Holding(s) in Company | RNS |
| 03/07/24 | 07:00:08 | 3 Jul 2024 | | Share buyback programme | RNS |
| 02/07/24 | 15:04:20 | 2 Jul 2024 | | Holding(s) in Company | RNS |
| 01/07/24 | 14:38:39 | 1 Jul 2024 | | Completion of Medical Device Components sale | RNS |
| 01/07/24 | 07:00:09 | 1 Jul 2024 | | Directorate Change | RNS |
| 27/06/24 | 17:54:38 | 27 Jun 2024 | | Holding(s) in Company | RNS |
| 27/06/24 | 12:03:15 | 27 Jun 2024 | | Holding(s) in Company | RNS |
| 27/06/24 | 07:00:04 | 27 Jun 2024 | | Johnson Matthey: PGM Services seminar | RNS |
| 25/06/24 | 10:35:13 | 25 Jun 2024 | | Holding(s) in Company | RNS |
| 20/06/24 | 12:24:25 | 20 Jun 2024 | | Director/PDMR Shareholding | RNS |
| 14/06/24 | 15:00:39 | 14 Jun 2024 | | Holding(s) in Company | RNS |
| 06/06/24 | 09:00:01 | 6 Jun 2024 | | Annual Financial Report | RNS |
| 28/05/24 | 10:13:07 | 28 May 2024 | | Holding(s) in Company | RNS |
| 23/05/24 | 07:00:11 | 23 May 2024 | | Johnson Matthey Full Year Results | RNS |
| 21/05/24 | 17:04:25 | 21 May 2024 | | Holding(s) in Company | RNS |
| 20/05/24 | 17:04:28 | 20 May 2024 | | Holding(s) in Company | RNS |
| 16/05/24 | 16:43:30 | 16 May 2024 | | Director/PDMR Shareholding | RNS |
| 16/05/24 | 16:11:15 | 16 May 2024 | | Holding(s) in Company | RNS |
| 14/05/24 | 12:05:12 | 14 May 2024 | | Holding(s) in Company | RNS |
| 03/05/24 | 15:31:44 | 3 May 2024 | | Holding(s) in Company | RNS |
| 02/05/24 | 09:00:00 | 2 May 2024 | | Holding(s) in Company | RNS |
| 22/04/24 | 15:39:38 | 22 Apr 2024 | | Holding(s) in Company | RNS |
| 18/04/24 | 17:33:10 | 18 Apr 2024 | | Director/PDMR Shareholding | RNS |
| 17/04/24 | 15:07:24 | 17 Apr 2024 | | Holding(s) in Company | RNS |
| 10/04/24 | 15:10:33 | 10 Apr 2024 | | Holding(s) in Company | RNS |
| 10/04/24 | 09:47:39 | 10 Apr 2024 | | Holding(s) in Company | RNS |
| 09/04/24 | 09:00:00 | 9 Apr 2024 | | Holding(s) in Company | RNS |
| 08/04/24 | 09:00:01 | 8 Apr 2024 | | Holding(s) in Company | RNS |
| 03/04/24 | 17:16:47 | 3 Apr 2024 | | Holding(s) in Company | RNS |
| 02/04/24 | 09:01:01 | 2 Apr 2024 | | Holding(s) in Company | RNS |
| 02/04/24 | 09:00:01 | 2 Apr 2024 | | Holding(s) in Company | RNS |
| 27/03/24 | 13:46:02 | 27 Mar 2024 | | Holding(s) in Company | RNS |
| 22/03/24 | 15:11:53 | 22 Mar 2024 | | Holding(s) in Company | RNS |
| 21/03/24 | 12:13:22 | 21 Mar 2024 | | Director/PDMR Shareholding | RNS |
| 20/03/24 | 07:00:05 | 20 Mar 2024 | | Johnson Matthey sale of Medical Device Components | RNS |
