| 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 |
| Disposal update | 07-Jun-2013 | 07:00 | RNS |
| Analyst and investor site visit | 06-Jun-2013 | 07:00 | RNS |
| Directors' dealings | 16-May-2013 | 12:27 | RNS |
| Director/PDMR Shareholding | 03-May-2013 | 15:31 | RNS |
| Annual Financial Report and Notice of AGM | 23-Apr-2013 | 09:00 | RNS |