| 21/02/19 | 15:52:08 | 21 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 07/02/19 | 14:43:42 | 7 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 07/02/19 | 09:27:41 | 7 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 07/02/19 | 09:25:22 | 7 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 07/02/19 | 09:23:00 | 7 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 21/01/19 | 10:43:23 | 21 Jan 2019 | | Director/PDMR Shareholding | RNS |
| 17/01/19 | 15:39:28 | 17 Jan 2019 | | Director/PDMR Shareholding | RNS |
| 21/12/18 | 16:21:23 | 21 Dec 2018 | | Director/PDMR Shareholding | RNS |
| 11/12/18 | 10:17:40 | 11 Dec 2018 | | Director/PDMR Shareholding | RNS |
| 22/11/18 | 12:24:15 | 22 Nov 2018 | | Director/PDMR Shareholding | RNS |
| 21/11/18 | 07:00:04 | 21 Nov 2018 | | Half-year Report | RNS |
| 18/10/18 | 17:20:22 | 18 Oct 2018 | | Director/PDMR Shareholding | RNS |
| 20/09/18 | 17:42:09 | 20 Sept 2018 | | Director/PDMR Shareholding | RNS |
| 19/09/18 | 16:57:41 | 19 Sept 2018 | | Director/PDMR Shareholding | RNS |
| 22/08/18 | 12:30:04 | 22 Aug 2018 | | Alan Ferguson - New Directorship | RNS |
| 16/08/18 | 15:44:30 | 16 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 16/08/18 | 14:23:12 | 16 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 15/08/18 | 12:25:20 | 15 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 15/08/18 | 12:22:19 | 15 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 15/08/18 | 12:11:23 | 15 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 09/08/18 | 15:53:28 | 9 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 09/08/18 | 15:20:41 | 9 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 09/08/18 | 15:17:48 | 9 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 08/08/18 | 17:09:24 | 8 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 03/08/18 | 15:01:56 | 3 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 03/08/18 | 15:00:00 | 3 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 02/08/18 | 17:11:41 | 2 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 02/08/18 | 17:10:13 | 2 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 02/08/18 | 17:06:45 | 2 Aug 2018 | | Director/PDMR Shareholding | RNS |
| 26/07/18 | 15:58:13 | 26 Jul 2018 | | Result of AGM | RNS |
| 26/07/18 | 08:00:10 | 26 Jul 2018 | | AGM trading update | RNS |
| 19/07/18 | 17:24:41 | 19 Jul 2018 | | Director/PDMR Shareholding | RNS |
| 12/07/18 | 15:20:47 | 12 Jul 2018 | | Holding(s) in Company | RNS |
| 25/06/18 | 17:04:02 | 25 Jun 2018 | | Holding(s) in Company | RNS |
| 20/06/18 | 08:00:03 | 20 Jun 2018 | | Annual Financial Report | RNS |
| 31/05/18 | 08:00:05 | 31 May 2018 | | Preliminary results for year ended 31st March 2018 | RNS |
| 17/05/18 | 16:29:43 | 17 May 2018 | | Director/PDMR Shareholding | RNS |
| 19/04/18 | 17:41:59 | 19 Apr 2018 | | Director/PDMR Shareholding | RNS |
| 16/04/18 | 08:25:05 | 16 Apr 2018 | | Directorate Change | RNS |
| 23/03/18 | 14:18:02 | 23 Mar 2018 | | Director/PDMR Shareholding | RNS |
| 22/03/18 | 14:48:17 | 22 Mar 2018 | | Director/PDMR Shareholding | RNS |
| 05/03/18 | 07:00:03 | 5 Mar 2018 | | Result of the External Audit Tender | RNS |
| 02/03/18 | 07:00:03 | 2 Mar 2018 | | Appointment of Sector Chief Executive, Health | RNS |
| 09/02/18 | 09:39:55 | 9 Feb 2018 | | Director/PDMR Shareholding | RNS |
| 08/02/18 | 16:48:25 | 8 Feb 2018 | | Director/PDMR Shareholding | RNS |
| 08/02/18 | 16:43:42 | 8 Feb 2018 | | Director/PDMR Shareholding | RNS |
| 08/02/18 | 16:41:37 | 8 Feb 2018 | | Director/PDMR Shareholding | RNS |
| 07/02/18 | 07:00:02 | 7 Feb 2018 | | Johnson Matthey business update | RNS |
| 31/01/18 | 13:00:01 | 31 Jan 2018 | | JM and Cummins Expand Efforts in Electrification | RNS |
| 18/01/18 | 14:12:19 | 18 Jan 2018 | | Director/PDMR Shareholding | RNS |
