| 26-09-07 | Director/PDMR Shareholding | |
| 19-09-07 | Block listing interim review | |
| 05-09-07 | Holding in Company | |
| 05-09-07 | Director/PDMR Shareholding |
| 31-05-07 | Director/PDMR shareholding | |
| 29-05-07 | Director/PDMR shareholding | |
| 17-05-07 | Holding in Company | |
| 01-05-07 | Change of Name | |
| 01-05-07 | Holding in Company |
| 30-03-07 | Total Voting Rights | |
| 23-03-07 | Holding in Company | |
| 22-03-07 | Holding in Company | |
| 20-03-07 | Holding in Company | |
| 20-03-07 | Holding in Company | |
| 13-03-07 | Annual Report | |
| 07-03-07 | Additional Listing |
| 27-02-07 | Director/PDMR Shareholding | |
| 26-02-07 | Total Voting Rights | |
| 21-02-07 | Holding in Company | |
| 12-02-07 | 2006 Results Preliminary |
| 30-01-07 | Director/PDMR Shareholding | |
| 25-01-07 | Notice of Results | |
| 23-01-07 | Holding in Company |
| 27-12-06 | Director/PDMR Shareholding | |
| 27-12-06 | Total Voting Rights | |
| 11-12-06 | Holding in Company | |
| 11-12-06 | Block listing interim review |
| 28-11-06 | Director/PDMR Shareholding |
| 05-10-06 | Director/PDMR Shareholding |
| 26-09-06 | Director/PDMR Shareholding | |
| 04-09-06 | Director/PDMR Shareholding |
| 30-08-06 | Additional Listing | |
| 21-08-06 | Interim Report |
| 31-07-06 | Interim Results | |
| 27-07-06 | Director/PDMR Shareholding | |
| 18-07-06 | Notice of Results |
| 27-06-06 | Director/PDMR Shareholding | |
| 23-06-06 | Holding in Company | |
| 20-06-06 | Holding in Company | |
| 09-06-06 | Block listing interim review | |
| 01-06-06 | Director/PDMR Shareholding |
| 03-05-06 | Holding in Company |
| 27-04-06 | Holding in Company | |
| 26-04-06 | Result of AGM | |
| 24-04-06 | Director/PDMR Shareholding | |
| 24-04-06 | Director/PDMR Shareholding | |
| 20-04-06 | Patent Infringement Claim | |
| 07-04-06 | Annual Information Update |
| 29-03-06 | Director/PDMR Shareholding | |
| 06-03-06 | Director/PDMR Shareholding | |
| 01-03-06 | Director/PDMR Shareholding |
| 28-02-06 | Holding in Company | |
| 23-02-06 | Holding in Company | |
| 21-02-06 | EGM Statement | |
| 13-02-06 | Dividend Declaration | |
| 13-02-06 | 2005 Results Preliminary | |
| 01-02-06 | Director/PDMR Shareholding |
| 25-01-06 | Notice of Results | |
| 23-01-06 | Notice of EGM | |
| 23-01-06 | Holding in Company |
| 28-10-05 | Director/PDMR Shareholding | |
| 12-10-05 | Director/PDMR Shareholding | |
| 04-10-05 | Director/PDMR Shareholding |
| 29-09-05 | Director/PDMR Shareholding | |
| 05-09-05 | Holding in Company | |
| 01-09-05 | Director/PDMR Shareholding |
| 15-08-05 | Holding in Company | |
| 01-08-05 | Holding in Company | |
| 01-08-05 | Interim Results |
| 13-07-05 | Notice of Results | |
| 05-07-05 | Holding in Company |
| 28-06-05 | Director/PDMR Shareholding | |
| 09-06-05 | Blocklisting Interim Review | |
| 03-06-05 | Director Shareholding |
| 03-03-05 | Director Shareholding | |
| 03-03-05 | Holding in Company | |
| 01-03-05 | Holding in Company |
| 27-01-05 | Director Shareholding | |
| 24-01-05 | Patent Infringement claim | |
| 12-01-05 | Holding in Company |
| 30-09-04 | Director Shareholding | |
| 29-09-04 | Director Shareholding | |
| 23-09-04 | Holding in Company | |
| 03-09-04 | Director Shareholding |
| 31-08-04 | Holding in Company | |
| 17-08-04 | Director Shareholding | |
| 17-08-04 | Director Shareholding | |
| 12-08-04 | Director Shareholding | |
| 12-08-04 | Holding in Company |
| 27-07-04 | Director Shareholding | |
| 26-07-04 | Interim Results | |
| 08-07-04 | Notice of Results | |
| 01-07-04 | Director Shareholding |