| 30/06/20 | 16:40:53 | 30 Jun 2020 | | Second Price Monitoring Extn | RNS |
| 30/06/20 | 16:35:57 | 30 Jun 2020 | | Price Monitoring Extension | RNS |
| 30/06/20 | 12:32:45 | 30 Jun 2020 | | Notification of Major Holdings | RNS |
| 24/06/20 | 16:26:51 | 24 Jun 2020 | | Notification of Major Holdings | RNS |
| 02/06/20 | 07:00:02 | 2 Jun 2020 | | Cessation of Mining Operations & Full Year Update | RNS |
| 20/05/20 | 16:41:07 | 20 May 2020 | | Second Price Monitoring Extn | RNS |
| 20/05/20 | 16:35:51 | 20 May 2020 | | Price Monitoring Extension | RNS |
| 19/05/20 | 16:41:53 | 19 May 2020 | | Second Price Monitoring Extn | RNS |
| 19/05/20 | 16:36:45 | 19 May 2020 | | Price Monitoring Extension | RNS |
| 04/05/20 | 07:00:05 | 4 May 2020 | | Conditional Contract Exchange and Covid-19 Update | RNS |
| 14/04/20 | 14:16:04 | 14 Apr 2020 | | Transfer of Shares held in Treasury | RNS |
| 09/04/20 | 16:42:07 | 9 Apr 2020 | | Second Price Monitoring Extn | RNS |
| 09/04/20 | 16:37:38 | 9 Apr 2020 | | Price Monitoring Extension | RNS |
| 02/04/20 | 08:00:04 | 2 Apr 2020 | | Board Appointment | RNS |
| 26/03/20 | 07:00:02 | 26 Mar 2020 | | Deferral of Interim Dividend and Trading Update | RNS |
| 06/03/20 | 15:57:58 | 6 Mar 2020 | | Holding(s) in Company | RNS |
| 06/03/20 | 09:15:27 | 6 Mar 2020 | | Holding(s) in Company | RNS |
| 05/03/20 | 15:50:35 | 5 Mar 2020 | | Holding(s) in Company | RNS |
| 03/03/20 | 09:33:18 | 3 Mar 2020 | | Holding(s) in Company | RNS |
| 04/02/20 | 11:52:19 | 4 Feb 2020 | | Notification of Major Holdings | RNS |
| 29/01/20 | 14:15:18 | 29 Jan 2020 | | Notification of Major Holdings | RNS |
| 29/01/20 | 07:00:03 | 29 Jan 2020 | | Interim Results | RNS |
| 09/01/20 | 17:16:45 | 9 Jan 2020 | | Share Option Award to a PDMR | RNS |
| 24/12/19 | 08:39:34 | 24 Dec 2019 | | Director/PDMR Shareholding | RNS |
| 19/12/19 | 12:44:31 | 19 Dec 2019 | | Transfer of shares held in Treasury | RNS |
| 18/12/19 | 11:12:16 | 18 Dec 2019 | | Transfer of shares held in Treasury | RNS |
| 17/12/19 | 07:00:05 | 17 Dec 2019 | | Director/PDMR Shareholding | RNS |
| 13/12/19 | 07:00:06 | 13 Dec 2019 | | Share Option Awards to Executive Directors & PDMRs | RNS |
| 12/12/19 | 12:03:16 | 12 Dec 2019 | | Transfer of shares held in Treasury | RNS |
| 11/12/19 | 15:44:02 | 11 Dec 2019 | | Director/PDMR Shareholding | RNS |
| 10/12/19 | 07:00:05 | 10 Dec 2019 | | Acquisition by HRMS | RNS |
| 03/12/19 | 07:00:08 | 3 Dec 2019 | | Pre-Close Trading Update and Results Notification | RNS |
| 02/12/19 | 07:00:10 | 2 Dec 2019 | | Recent Progress at Hemerdon Tungsten Mine | RNS |
| 13/11/19 | 14:14:26 | 13 Nov 2019 | | Notification of Major Holdings | RNS |
| 30/10/19 | 12:12:06 | 30 Oct 2019 | | Result of AGM | RNS |
| 30/10/19 | 07:00:02 | 30 Oct 2019 | | AGM Statement | RNS |
| 03/10/19 | 17:02:16 | 3 Oct 2019 | | Notification of Major Holdings | RNS |
| 02/10/19 | 18:12:07 | 2 Oct 2019 | | Transfer of shares held in Treasury | RNS |
| 30/08/19 | 12:03:05 | 30 Aug 2019 | | Transfer of Shares held in Treasury | RNS |
| 28/08/19 | 08:00:03 | 28 Aug 2019 | | Posting of Annual Report and Notice of AGM | RNS |
| 16/08/19 | 08:00:04 | 16 Aug 2019 | | Holding(s) in Company | RNS |
| 31/07/19 | 16:03:21 | 31 Jul 2019 | | Holding(s) in Company | RNS |
| 31/07/19 | 08:00:05 | 31 Jul 2019 | | Preliminary Results | RNS |
| 16/07/19 | 16:35:35 | 16 Jul 2019 | | Holding(s) in Company | RNS |
| 12/07/19 | 16:48:51 | 12 Jul 2019 | | Holding(s) in Company | RNS |
| 04/06/19 | 08:00:04 | 4 Jun 2019 | | Full Year Trading Update and Results Notification | RNS |
| 24/05/19 | 08:00:07 | 24 May 2019 | | Conditional Sale to Bellway of Land at Blindwells | RNS |
| 22/05/19 | 08:00:05 | 22 May 2019 | | British Steel | RNS |
| 29/04/19 | 14:52:06 | 29 Apr 2019 | | Holding(s) in Company | RNS |
| 23/04/19 | 15:40:37 | 23 Apr 2019 | | Holding(s) in Company | RNS |