| Trading Update | 04-Mar-2008 | 07:00 | RNS |
| Significant Shareholder | 31-Oct-2007 | 10:19 | RNS |
| Interim Results | 25-Oct-2007 | 07:00 | RNS |
| Significant Shareholder | 21-Sep-2007 | 13:03 | RNS |
| Significant Shareholder | 21-Sep-2007 | 09:52 | RNS |
| Significant Shareholding | 06-Sep-2007 | 09:20 | RNS |
| Disposal | 06-Sep-2007 | 07:01 | RNS |
| Holding(s) in Company | 05-Sep-2007 | 10:22 | RNS |
| Directors' Dealings | 15-Aug-2007 | 07:01 | RNS |
| Sifam Properties Disposal | 10-Aug-2007 | 07:01 | RNS |
| Sifam Instruments Acquisition | 09-Aug-2007 | 07:01 | RNS |
| Rule 26 Website | 31-Jul-2007 | 14:59 | RNS |
| Annual Report and Accounts | 23-Jul-2007 | 10:02 | RNS |
| Preliminary Results | 28-Jun-2007 | 07:01 | RNS |
| Significant Holding | 01-May-2007 | 14:48 | RNS |