| 06/10/21 | 11:52:37 | 6 Oct 2021 | | Director/PDMR Shareholding & TVR | RNS |
| 21/09/21 | 15:09:28 | 21 Sept 2021 | | Holding(s) in Company | RNS |
| 17/09/21 | 14:47:11 | 17 Sept 2021 | | Holding(s) in Company | RNS |
| 15/09/21 | 15:15:59 | 15 Sept 2021 | | Holding(s) in Company | RNS |
| 27/08/21 | 16:02:15 | 27 Aug 2021 | | Notice of AGM and posting of Annual Report | RNS |
| 02/08/21 | 09:50:12 | 2 Aug 2021 | | Director/PDMR Shareholding | RNS |
| 28/07/21 | 07:00:08 | 28 Jul 2021 | | Results for the year ended 31 May 2021 | RNS |
| 22/07/21 | 13:15:05 | 22 Jul 2021 | | Trading Update ahead of Preliminary Results | RNS |
| 20/07/21 | 12:44:35 | 20 Jul 2021 | | Holding(s) in Company | RNS |
| 14/07/21 | 07:00:04 | 14 Jul 2021 | | Full Year Results Analyst Briefing | RNS |
| 05/07/21 | 14:20:11 | 5 Jul 2021 | | Change in Registrar | RNS |
| 09/06/21 | 16:42:22 | 9 Jun 2021 | | Director/PCA Dealing | RNS |
| 02/06/21 | 07:00:03 | 2 Jun 2021 | | Pre-Close Trading Update | RNS |
| 18/05/21 | 13:10:06 | 18 May 2021 | | Trading Update | RNS |
| 06/05/21 | 07:00:04 | 6 May 2021 | | Holding(s) in Company | RNS |
| 26/04/21 | 07:00:06 | 26 Apr 2021 | | Advanced Completion of Land Sale at Unity JV | RNS |
| 20/04/21 | 07:00:03 | 20 Apr 2021 | | Trading Update | RNS |
| 06/04/21 | 07:00:08 | 6 Apr 2021 | | Further Developments at Blindwells | RNS |
| 24/03/21 | 07:00:14 | 24 Mar 2021 | | Contract Award | RNS |
| 24/02/21 | 07:00:05 | 24 Feb 2021 | | PDMR Shareholding and Total Voting Rights | RNS |
| 08/02/21 | 17:19:04 | 8 Feb 2021 | | Holding(s) in Company | RNS |
| 05/02/21 | 07:00:02 | 5 Feb 2021 | | Further Developments at Blindwells | RNS |
| 02/02/21 | 17:14:21 | 2 Feb 2021 | | Notification of Major Holdings | RNS |
| 27/01/21 | 13:05:48 | 27 Jan 2021 | | Director/PDMR Dealing | RNS |
| 27/01/21 | 07:00:02 | 27 Jan 2021 | | Interim Results | RNS |
| 24/12/20 | 07:01:01 | 24 Dec 2020 | | Director/PDMR Dealings | RNS |
| 24/12/20 | 07:00:03 | 24 Dec 2020 | | Sale of Speciality Coal to HRMS | RNS |
| 09/12/20 | 07:00:04 | 9 Dec 2020 | | Trading Update and Notification of Interim Results | RNS |
| 24/11/20 | 07:00:04 | 24 Nov 2020 | | Director/PDMR Dealings | RNS |
| 09/11/20 | 16:42:03 | 9 Nov 2020 | | Second Price Monitoring Extn | RNS |
| 09/11/20 | 16:35:56 | 9 Nov 2020 | | Price Monitoring Extension | RNS |
| 28/10/20 | 11:30:09 | 28 Oct 2020 | | Result of AGM | RNS |
| 28/10/20 | 07:00:02 | 28 Oct 2020 | | AGM Statement | RNS |
| 14/10/20 | 16:35:29 | 14 Oct 2020 | | Price Monitoring Extension | RNS |
| 01/10/20 | 15:42:33 | 1 Oct 2020 | | Share Option Award to a PDMR | RNS |
| 09/09/20 | 07:00:11 | 9 Sept 2020 | | Board Appointment | RNS |
| 04/09/20 | 07:00:04 | 4 Sept 2020 | | Posting of Annual Report and Notice of AGM | RNS |
| 21/08/20 | 15:10:51 | 21 Aug 2020 | | Notification of Major Holdings | RNS |
| 21/08/20 | 14:43:21 | 21 Aug 2020 | | Notification of Major Holdings | RNS |
| 14/08/20 | 17:46:01 | 14 Aug 2020 | | Notification of Major Holdings | RNS |
| 13/08/20 | 17:54:11 | 13 Aug 2020 | | Notification of Major Holdings | RNS |
| 11/08/20 | 17:02:25 | 11 Aug 2020 | | Notification of Major Holdings | RNS |
| 11/08/20 | 13:16:10 | 11 Aug 2020 | | Holding(s) in Company | RNS |
| 06/08/20 | 07:00:09 | 6 Aug 2020 | | Share Option Awards | RNS |
| 04/08/20 | 13:29:04 | 4 Aug 2020 | | Notification of Major Holdings | RNS |
| 30/07/20 | 11:54:49 | 30 Jul 2020 | | Notification of Major Holdings | RNS |
| 29/07/20 | 07:00:07 | 29 Jul 2020 | | Preliminary Results | RNS |
| 28/07/20 | 16:36:00 | 28 Jul 2020 | | Price Monitoring Extension | RNS |
| 24/07/20 | 13:50:00 | 24 Jul 2020 | | Holding(s) in Company | RNS |
| 20/07/20 | 07:00:05 | 20 Jul 2020 | | Full Year Results Analyst Meeting | RNS |
