| Notice of AGM & Publication of 2018 Annual Report | 12 Apr 2019 | 07:00 | RNS |
| Preliminary Results | 19 Mar 2019 | 07:00 | RNS |
| Notice of Results | 05 Mar 2019 | 07:00 | RNS |
| 2018 Trading Update | 25 Jan 2019 | 07:00 | RNS |
| Holding(s) in Company | 09 Nov 2018 | 09:30 | RNS |
| Placing and Acquisition | 06 Nov 2018 | 07:00 | RNS |
| Result of Scrip Dividend | 01 Nov 2018 | 10:19 | RNS |
| Half-year Report | 12 Sep 2018 | 07:00 | RNS |
| Trading Update | 02 Aug 2018 | 07:00 | RNS |
| Acquisition of Shire Systems Limited | 05 Jul 2018 | 07:00 | RNS |
| Result of Scrip Dividend | 14 Jun 2018 | 07:00 | RNS |
| Appointment of Corporate Development Director | 06 Jun 2018 | 07:00 | RNS |
| Results of AGM | 17 May 2018 | 14:30 | RNS |
| Trading Update | 17 May 2018 | 07:00 | RNS |
| Notice of AGM | 20 Apr 2018 | 07:00 | RNS |