| 30/08/22 | 12:37:52 | 30 Aug 2022 | | Holding(s) in Company | RNS |
| 30/08/22 | 12:26:05 | 30 Aug 2022 | | Holding(s) in Company | RNS |
| 26/08/22 | 09:37:49 | 26 Aug 2022 | | Holding(s) in Company | RNS |
| 25/08/22 | 15:19:17 | 25 Aug 2022 | | Holding(s) in Company | RNS |
| 25/08/22 | 14:28:26 | 25 Aug 2022 | | Holding(s) in Company | RNS |
| 24/08/22 | 10:55:18 | 24 Aug 2022 | | Holding(s) in Company | RNS |
| 22/08/22 | 12:20:50 | 22 Aug 2022 | | Holding(s) in Company | RNS |
| 18/08/22 | 15:57:09 | 18 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 17/08/22 | 16:16:39 | 17 Aug 2022 | | Holding(s) in Company | RNS |
| 15/08/22 | 17:23:00 | 15 Aug 2022 | | Holding(s) in Company | RNS |
| 15/08/22 | 12:39:36 | 15 Aug 2022 | | Holding(s) in Company | RNS |
| 11/08/22 | 15:57:50 | 11 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 11/08/22 | 15:45:31 | 11 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 11/08/22 | 08:30:58 | 11 Aug 2022 | | Holding(s) in Company | RNS |
| 10/08/22 | 15:53:06 | 10 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 09/08/22 | 14:31:24 | 9 Aug 2022 | | Holding(s) in Company | RNS |
| 05/08/22 | 11:10:35 | 5 Aug 2022 | | Holding(s) in Company | RNS |
| 03/08/22 | 16:31:55 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 16:23:44 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 16:21:27 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 16:04:33 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 15:59:55 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 15:50:49 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 03/08/22 | 15:41:44 | 3 Aug 2022 | | Director/PDMR Shareholding | RNS |
| 01/08/22 | 07:00:05 | 1 Aug 2022 | | JM restated HY numbers for new reporting structure | RNS |
| 29/07/22 | 14:49:15 | 29 Jul 2022 | | Holding(s) in Company | RNS |
| 27/07/22 | 16:15:05 | 27 Jul 2022 | | Holding(s) in Company | RNS |
| 27/07/22 | 16:00:05 | 27 Jul 2022 | | Holding(s) in Company | RNS |
| 26/07/22 | 15:00:05 | 26 Jul 2022 | | Holding(s) in Company | RNS |
| 22/07/22 | 15:23:08 | 22 Jul 2022 | | Director/PDMR Shareholding | RNS |
| 21/07/22 | 16:00:00 | 21 Jul 2022 | | Result of AGM | RNS |
| 18/07/22 | 11:00:07 | 18 Jul 2022 | | Holding(s) in Company | RNS |
| 18/07/22 | 07:00:06 | 18 Jul 2022 | | Johnson Matthey announces new hydrogen gigafactory | RNS |
| 15/07/22 | 09:12:28 | 15 Jul 2022 | | Holding(s) in Company | RNS |
| 14/07/22 | 10:01:30 | 14 Jul 2022 | | Holding(s) in Company | RNS |
| 12/07/22 | 16:11:03 | 12 Jul 2022 | | Holding(s) in Company | RNS |
| 08/07/22 | 16:25:40 | 8 Jul 2022 | | Holding(s) in Company | RNS |
| 08/07/22 | 11:00:00 | 8 Jul 2022 | | Holding(s) in Company | RNS |
| 06/07/22 | 11:32:38 | 6 Jul 2022 | | Holding(s) in Company | RNS |
| 17/06/22 | 11:38:21 | 17 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 17/06/22 | 09:30:02 | 17 Jun 2022 | | Holding(s) in Company | RNS |
| 15/06/22 | 10:33:33 | 15 Jun 2022 | | Annual Financial Report | RNS |
| 14/06/22 | 12:45:54 | 14 Jun 2022 | | Director/PDMR Shareholding | RNS |
| 10/06/22 | 17:21:57 | 10 Jun 2022 | | Holding(s) in Company | RNS |
| 06/06/22 | 11:20:06 | 6 Jun 2022 | | Holding(s) in Company | RNS |
| 01/06/22 | 09:00:01 | 1 Jun 2022 | | Total Voting Rights | RNS |
| 01/06/22 | 07:00:07 | 1 Jun 2022 | | Johnson Matthey completion of Health sale | RNS |
| 30/05/22 | 11:20:08 | 30 May 2022 | | Director/PDMR Shareholding | RNS |
| 27/05/22 | 16:50:07 | 27 May 2022 | | Holding(s) in Company | RNS |
| 27/05/22 | 16:48:03 | 27 May 2022 | | Holding(s) in Company | RNS |
