| 26/01/22 | 07:00:04 | 26 Jan 2022 | | AGM Statement | RNS |
| 19/01/22 | 17:09:04 | 19 Jan 2022 | | Director/PDMR Shareholding | RNS |
| 21/12/21 | 07:00:03 | 21 Dec 2021 | | Annual Report & Accounts and Notice of AGM | RNS |
| 16/12/21 | 07:00:05 | 16 Dec 2021 | | Issue of Equity & Director Dealing | RNS |
| 09/12/21 | 07:00:07 | 9 Dec 2021 | | Directorate Change | RNS |
| 09/12/21 | 07:00:04 | 9 Dec 2021 | | Final Results | RNS |
| 06/12/21 | 17:01:12 | 6 Dec 2021 | | Final Results Revised Date | RNS |
| 29/11/21 | 17:12:01 | 29 Nov 2021 | | Holding(s) in Company | RNS |
| 01/10/21 | 07:00:07 | 1 Oct 2021 | | Appointment of Joint Broker | RNS |
| 07/09/21 | 07:00:02 | 7 Sept 2021 | | Trading Update | RNS |
| 01/06/21 | 10:02:46 | 1 Jun 2021 | | Interim Report & Accounts | RNS |
| 01/06/21 | 07:00:12 | 1 Jun 2021 | | Acquisition of Rail Electrification Limited (REL) | RNS |
| 18/05/21 | 07:00:03 | 18 May 2021 | | Half-year Report | RNS |
| 26/03/21 | 07:00:04 | 26 Mar 2021 | | Acquisition & Trading Update | RNS |
| 09/02/21 | 07:41:29 | 9 Feb 2021 | | Holding(s) in Company | RNS |
| 27/01/21 | 11:58:06 | 27 Jan 2021 | | Result of AGM | RNS |
| 27/01/21 | 07:00:02 | 27 Jan 2021 | | AGM Statement | RNS |
| 04/01/21 | 11:37:32 | 4 Jan 2021 | | Annual Report & Accounts and Notice of AGM | RNS |
| 15/12/20 | 15:10:55 | 15 Dec 2020 | | Director/PDMR Shareholding | RNS |
| 15/12/20 | 14:09:54 | 15 Dec 2020 | | Issue of Equity & Exercise of LTIPs | RNS |
| 08/12/20 | 07:00:06 | 8 Dec 2020 | | Final Results | RNS |
| 03/12/20 | 07:00:06 | 3 Dec 2020 | | Buy-in of Pension Scheme Liabilities | RNS |
| 04/09/20 | 07:00:03 | 4 Sept 2020 | | Trading Update | RNS |
| 03/07/20 | 07:00:05 | 3 Jul 2020 | | Director/PDMR Shareholding | RNS |
| 30/06/20 | 17:55:01 | 30 Jun 2020 | | Director/PDMR Shareholding | RNS |
| 30/06/20 | 10:35:46 | 30 Jun 2020 | | Holding(s) in Company | RNS |
| 11/06/20 | 07:00:07 | 11 Jun 2020 | | Interim Report & Accounts | RNS |
| 19/05/20 | 07:00:03 | 19 May 2020 | | Half-year Report | RNS |
| 01/04/20 | 08:00:06 | 1 Apr 2020 | | H1 Period End Trading Update | RNS |
| 09/03/20 | 12:08:19 | 9 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 09/03/20 | 12:02:56 | 9 Mar 2020 | | Price Monitoring Extension | RNS |
| 02/03/20 | 07:00:07 | 2 Mar 2020 | | Appointment to Board committees | RNS |
| 21/02/20 | 16:21:56 | 21 Feb 2020 | | Holding(s) in Company | RNS |
| 21/02/20 | 07:00:05 | 21 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 05/02/20 | 07:00:05 | 5 Feb 2020 | | Issue of Equity & Exercise of LTIPs | RNS |
| 30/01/20 | 07:00:08 | 30 Jan 2020 | | Acquisition and Placing | RNS |
| 29/01/20 | 11:35:01 | 29 Jan 2020 | | Result of AGM | RNS |
| 29/01/20 | 07:00:03 | 29 Jan 2020 | | AGM Statement | RNS |
| 14/01/20 | 07:00:07 | 14 Jan 2020 | | Director Appointment | RNS |
| 23/12/19 | 07:00:08 | 23 Dec 2019 | | Annual Report & Accounts and Notice of AGM | RNS |
| 26/11/19 | 07:00:05 | 26 Nov 2019 | | Final Results | RNS |
| 18/10/19 | 11:20:21 | 18 Oct 2019 | | Director/PDMR Shareholding | RNS |
| 01/10/19 | 08:00:09 | 1 Oct 2019 | | Year End Trading Update | RNS |
| 15/08/19 | 13:02:58 | 15 Aug 2019 | | Price Monitoring Extension | RNS |
| 08/07/19 | 11:07:36 | 8 Jul 2019 | | Director/PDMR Shareholding | RNS |
| 04/06/19 | 08:00:03 | 4 Jun 2019 | | Interim Report & Accounts | RNS |
| 29/05/19 | 14:57:54 | 29 May 2019 | | Holding(s) in Company | RNS |
| 21/05/19 | 08:00:06 | 21 May 2019 | | Interim results | RNS |
| 01/04/19 | 08:00:04 | 1 Apr 2019 | | Trading Update | RNS |
| 25/03/19 | 15:31:29 | 25 Mar 2019 | | Holding(s) in Company | RNS |
