
| 2011 | 2010 | 2009 | 2008 | 2007 | 2006 |
| 2011 | |
| 22 December | Block Admission Return and Total Voting Rights |
| 02 December | Long Term Incentive Plans |
| 29 November | Interim Results |
| 17 November | Notifiable Interests |
| 06 October | Trading Update |
| 06 September | Result of AGM |
| 04 August | Annual Report and Notice of AGM |
| 01 August | Change of Registered Office |
| 28 June | Preliminary Results |
| 21 June | Block Admission Return and Total Voting Rights |
| 21 April | Trading Update |
| 02 March | Directors Dealing in respect of Block Admission |
| 02 February | Director/PDMR Shareholding |
| 02 February | Board Appointment |