| Director/PDMR Shareholding | 31-Oct-2019 | 17:17 | RNS |
| Contract Win | 31-Oct-2019 | 09:57 | RNS |
| Holding(s) in Company | 28-Oct-2019 | 07:00 | RNS |
| Total Voting Rights | 24-Oct-2019 | 07:00 | RNS |
| Holding(s) in Company | 23-Oct-2019 | 17:06 | RNS |
| Half-year Report | 22-Oct-2019 | 07:00 | RNS |
| Change of Name | 02-Oct-2019 | 17:15 | RNS |
| Completion of Sale of Elektron Technology | 25-Sep-2019 | 07:00 | RNS |
| Elektron Technology UK Limited - Disposal update | 03-Sep-2019 | 13:14 | RNS |
| Director/PDMR Shareholding | 13-Aug-2019 | 16:30 | RNS |
| Second Price Monitoring Extn | 31-Jul-2019 | 14:05 | RNS |
| Price Monitoring Extension | 31-Jul-2019 | 14:00 | RNS |
| Sale of Elektron Technology UK Limited | 31-Jul-2019 | 07:00 | RNS |
| Result of AGM | 30-Jul-2019 | 15:30 | RNS |
| Posting of Annual Report & Notice of AGM | 05-Jul-2019 | 07:00 | RNS |