| Director/PDMR Shareholding | 10-Dec-2019 | 17:18 | RNS |
| Director Dealings and Related Party Transactions | 10-Dec-2019 | 09:47 | RNS |
| Holding(s) in Company | 09-Dec-2019 | 16:30 | RNS |
| Completion of Tender Offer & Total Voting Rights | 03-Dec-2019 | 14:48 | RNS |
| Result of Tender Offer | 26-Nov-2019 | 07:00 | RNS |
| Result of General Meeting | 25-Nov-2019 | 14:00 | RNS |
| Proposed Tender Offer and Notice of GM | 01-Nov-2019 | 07:00 | RNS |
| 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 |