| 27/05/22 | 16:45:05 | 27 May 2022 | | Holding(s) in Company | RNS |
| 26/05/22 | 07:00:08 | 26 May 2022 | | Johnson Matthey FY results and strategy update | RNS |
| 26/05/22 | 07:00:07 | 26 May 2022 | | Johnson Matthey sale of Battery Materials | RNS |
| 25/05/22 | 16:04:14 | 25 May 2022 | | Holding(s) in Company | RNS |
| 25/05/22 | 13:24:44 | 25 May 2022 | | Johnson Matthey expands presence in green hydrogen | RNS |
| 19/05/22 | 10:30:05 | 19 May 2022 | | Director/PDMR Shareholding | RNS |
| 17/05/22 | 16:01:48 | 17 May 2022 | | Holding(s) in Company | RNS |
| 16/05/22 | 07:00:06 | 16 May 2022 | | Transaction in Own Shares | RNS |
| 13/05/22 | 07:00:02 | 13 May 2022 | | Transaction in Own Shares | RNS |
| 12/05/22 | 07:00:04 | 12 May 2022 | | Transaction in Own Shares | RNS |
| 11/05/22 | 07:00:04 | 11 May 2022 | | Transaction in Own Shares | RNS |
| 10/05/22 | 07:00:02 | 10 May 2022 | | Transaction in Own Shares | RNS |
| 09/05/22 | 11:45:01 | 9 May 2022 | | Holding(s) in Company | RNS |
| 09/05/22 | 07:00:04 | 9 May 2022 | | Transaction in Own Shares | RNS |
| 04/05/22 | 16:26:11 | 4 May 2022 | | Holding(s) in Company | RNS |
| 03/05/22 | 17:55:02 | 3 May 2022 | | Holding(s) in Company | RNS |
| 03/05/22 | 16:04:37 | 3 May 2022 | | Total Voting Rights | RNS |
| 03/05/22 | 07:00:13 | 3 May 2022 | | Transaction in Own Shares | RNS |
| 29/04/22 | 07:00:06 | 29 Apr 2022 | | Holding(s) in Company | RNS |
| 29/04/22 | 07:00:04 | 29 Apr 2022 | | Transaction in Own Shares | RNS |
| 28/04/22 | 12:06:12 | 28 Apr 2022 | | Holding(s) in Company | RNS |
| 28/04/22 | 07:00:06 | 28 Apr 2022 | | Transaction in Own Shares | RNS |
| 27/04/22 | 07:00:10 | 27 Apr 2022 | | Transaction in Own Shares | RNS |
| 26/04/22 | 09:00:06 | 26 Apr 2022 | | Holding(s) in Company | RNS |
| 26/04/22 | 07:00:09 | 26 Apr 2022 | | Transaction in Own Shares | RNS |
| 25/04/22 | 07:00:08 | 25 Apr 2022 | | Transaction in Own Shares | RNS |
| 22/04/22 | 07:00:02 | 22 Apr 2022 | | Transaction in Own Shares | RNS |
| 21/04/22 | 16:49:02 | 21 Apr 2022 | | Holding(s) in Company | RNS |
| 21/04/22 | 12:15:02 | 21 Apr 2022 | | Director/PDMR Shareholding | RNS |
| 21/04/22 | 07:00:05 | 21 Apr 2022 | | Transaction in Own Shares | RNS |
| 20/04/22 | 07:00:03 | 20 Apr 2022 | | Transaction in Own Shares | RNS |
| 19/04/22 | 07:00:10 | 19 Apr 2022 | | Transaction in Own Shares | RNS |
| 14/04/22 | 07:00:04 | 14 Apr 2022 | | Transaction in Own Shares | RNS |
| 13/04/22 | 07:00:10 | 13 Apr 2022 | | Transaction in Own Shares | RNS |
| 12/04/22 | 07:00:04 | 12 Apr 2022 | | Transaction in Own Shares | RNS |
| 11/04/22 | 07:00:07 | 11 Apr 2022 | | Transaction in Own Shares | RNS |
| 08/04/22 | 07:15:01 | 8 Apr 2022 | | Transaction in Own Shares | RNS |
| 08/04/22 | 07:00:03 | 8 Apr 2022 | | Pre-close trading update | RNS |
| 07/04/22 | 07:00:04 | 7 Apr 2022 | | Transaction in Own Shares | RNS |
| 06/04/22 | 07:00:05 | 6 Apr 2022 | | Transaction in Own Shares | RNS |
| 05/04/22 | 09:00:06 | 5 Apr 2022 | | Holding(s) in Company | RNS |
| 05/04/22 | 07:00:04 | 5 Apr 2022 | | Transaction in Own Shares | RNS |
| 04/04/22 | 07:00:06 | 4 Apr 2022 | | Transaction in Own Shares | RNS |
| 01/04/22 | 16:08:55 | 1 Apr 2022 | | Total Voting Rights | RNS |
| 01/04/22 | 07:00:08 | 1 Apr 2022 | | Transaction in Own Shares | RNS |
| 31/03/22 | 14:05:05 | 31 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 31/03/22 | 13:45:04 | 31 Mar 2022 | | Holding(s) in Company | RNS |
| 31/03/22 | 07:00:07 | 31 Mar 2022 | | Transaction in Own Shares | RNS |
| 30/03/22 | 15:44:13 | 30 Mar 2022 | | Transaction in Own Shares | RNS |
| 29/03/22 | 07:00:06 | 29 Mar 2022 | | Transaction in Own Shares | RNS |
