| Year end trading update | 11-Feb-2014 | 07:00 | RNS |
| Directorate Change | 13-Jan-2014 | 07:00 | RNS |
| Third quarter trading update | 17-Dec-2013 | 07:00 | RNS |
| Exit from China manufacturing | 04-Nov-2013 | 07:00 | RNS |
| Director's Dealing | 24-Oct-2013 | 07:00 | RNS |
| Directorate Change | 09-Oct-2013 | 07:00 | RNS |
| Half Year Results | 12-Sep-2013 | 07:00 | RNS |
| Holding(s) in Company | 11-Sep-2013 | 10:36 | RNS |
| Holding(s) in Company | 16-Aug-2013 | 07:00 | RNS |
| Holding(s) in Company | 16-Aug-2013 | 07:00 | RNS |
| Notice of Results | 15-Aug-2013 | 09:25 | RNS |
| Result of AGM | 27-Jun-2013 | 16:49 | RNS |
| AGM Statement | 27-Jun-2013 | 07:00 | RNS |
| Director Dealing | 17-Jun-2013 | 14:21 | RNS |
| Completion of sale of Total Carbide Limited | 12-Jun-2013 | 07:00 | RNS |