| Director/PDMR Shareholding | 01-Aug-2016 | 07:00 | RNS |
| Result of AGM | 28-Jul-2016 | 15:56 | RNS |
| Trading Update | 28-Jul-2016 | 07:00 | RNS |
| Lapsing of Options | 04-Jul-2016 | 10:40 | RNS |
| Annual Report and Notice of AGM | 30-Jun-2016 | 07:00 | RNS |
| Final Results | 09-Jun-2016 | 07:00 | RNS |
| Disposal of Agar Scientific | 23-May-2016 | 07:00 | RNS |
| Holding(s) in Company | 18-May-2016 | 09:56 | RNS |
| Holding(s) in Company | 13-May-2016 | 10:06 | RNS |
| Derivative Claim - Update | 20-Apr-2016 | 14:54 | RNS |
| Trading Update | 22-Feb-2016 | 07:00 | RNS |
| Directorate Change | 26-Jan-2016 | 07:00 | RNS |
| Holding(s) in Company | 20-Jan-2016 | 15:22 | RNS |
| Product Launch | 25-Nov-2015 | 07:00 | RNS |
| Holding(s) in Company | 24-Nov-2015 | 15:21 | RNS |