| 02/03/21 | 16:20:05 | 2 Mar 2021 | | Holding(s) in Company | RNS |
| 02/03/21 | 11:50:06 | 2 Mar 2021 | | Director / PDMR Shareholding | RNS |
| 26/02/21 | 07:00:08 | 26 Feb 2021 | | Implementation of New Long-Term Incentive Plan | RNS |
| 26/02/21 | 07:00:06 | 26 Feb 2021 | | Total Voting Rights | RNS |
| 24/02/21 | 16:41:05 | 24 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 24/02/21 | 16:35:38 | 24 Feb 2021 | | Price Monitoring Extension | RNS |
| 24/02/21 | 14:05:31 | 24 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 24/02/21 | 14:00:30 | 24 Feb 2021 | | Price Monitoring Extension | RNS |
| 22/02/21 | 15:53:30 | 22 Feb 2021 | | Update on CLN conversions & Total Voting Rights | RNS |
| 19/02/21 | 11:11:20 | 19 Feb 2021 | | Result of General Meeting & CLN conversion update | RNS |
| 04/02/21 | 10:59:44 | 4 Feb 2021 | | Posting of circular and Notice of General Meeting | RNS |
| 02/02/21 | 16:41:44 | 2 Feb 2021 | | Second Price Monitoring Extn | RNS |
| 02/02/21 | 16:36:30 | 2 Feb 2021 | | Price Monitoring Extension | RNS |
| 02/02/21 | 07:00:03 | 2 Feb 2021 | | Confirmation of successful Fundraising of £7m | RNS |
| 01/02/21 | 16:35:00 | 1 Feb 2021 | | PrimaryBid.com Offer | RNS |
| 01/02/21 | 16:30:10 | 1 Feb 2021 | | Proposed Fundraising, CLN Restructuring | RNS |
| 14/01/21 | 16:21:53 | 14 Jan 2021 | | Standard form for notification of major holdings | RNS |
| 13/01/21 | 07:00:06 | 13 Jan 2021 | | Conversion of Convertible Loan Notes | RNS |
| 11/01/21 | 07:00:08 | 11 Jan 2021 | | Layout images of CoalSwitch™ reference plant | RNS |
| 06/01/21 | 11:05:55 | 6 Jan 2021 | | Second Price Monitoring Extn | RNS |
| 06/01/21 | 11:00:46 | 6 Jan 2021 | | Price Monitoring Extension | RNS |
| 04/01/21 | 09:05:50 | 4 Jan 2021 | | Second Price Monitoring Extn | RNS |
| 04/01/21 | 09:00:21 | 4 Jan 2021 | | Price Monitoring Extension | RNS |
| 31/12/20 | 11:06:16 | 31 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 31/12/20 | 11:00:46 | 31 Dec 2020 | | Price Monitoring Extension | RNS |
| 29/12/20 | 11:05:54 | 29 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 29/12/20 | 11:00:44 | 29 Dec 2020 | | Price Monitoring Extension | RNS |
| 23/12/20 | 09:05:57 | 23 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 23/12/20 | 09:00:52 | 23 Dec 2020 | | Price Monitoring Extension | RNS |
| 22/12/20 | 14:06:02 | 22 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 22/12/20 | 14:01:15 | 22 Dec 2020 | | Price Monitoring Extension | RNS |
| 22/12/20 | 11:06:05 | 22 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 22/12/20 | 11:00:50 | 22 Dec 2020 | | Price Monitoring Extension | RNS |
| 22/12/20 | 09:05:18 | 22 Dec 2020 | | Second Price Monitoring Extn | RNS |
| 22/12/20 | 09:00:14 | 22 Dec 2020 | | Price Monitoring Extension | RNS |
| 22/12/20 | 07:00:02 | 22 Dec 2020 | | First order for CoalSwitch™ received | RNS |
| 10/12/20 | 07:00:07 | 10 Dec 2020 | | Patent Awarded for CoalSwitch™ | RNS |
| 03/12/20 | 07:00:05 | 3 Dec 2020 | | Engineering progress at CoalSwitch plant Lumberton | RNS |
| 23/11/20 | 07:00:08 | 23 Nov 2020 | | Appointment of Finance Director | RNS |
| 30/10/20 | 07:00:06 | 30 Oct 2020 | | Total Voting Rights | RNS |
| 05/10/20 | 14:31:34 | 5 Oct 2020 | | Conversion of existing Convertible Loan Notes | RNS |
| 30/09/20 | 14:46:41 | 30 Sept 2020 | | Result of AGM | RNS |
| 30/09/20 | 14:32:13 | 30 Sept 2020 | | Total Voting Rights | RNS |
| 29/09/20 | 09:45:10 | 29 Sept 2020 | | Holding(s) in Company | RNS |
| 29/09/20 | 07:00:02 | 29 Sept 2020 | | Interim Results for Six Months Ended 30 June 2020 | RNS |
| 09/09/20 | 07:00:11 | 9 Sept 2020 | | Standard form for notification of major holdings | RNS |
| 07/09/20 | 16:30:06 | 7 Sept 2020 | | Notice of Annual General Meeting | RNS |
| 07/09/20 | 12:28:23 | 7 Sept 2020 | | Placing Completion & Share Capital Reorganisation | RNS |
| 04/09/20 | 07:00:03 | 4 Sept 2020 | | Awarded London Stock Exchange's Green Economy Mark | RNS |
| 25/08/20 | 07:00:04 | 25 Aug 2020 | | Conversion of existing Convertible Loan Notes | RNS |
