| 2nd Dec 2009 11:13 am | PRN | Holding(s) in Company | 
                                                                            
                                            | 17th Nov 2009 9:55 am | PRN | Holding(s) in Company | 
                                                                            
                                            | 13th Nov 2009 2:10 pm | PRN | Director/PDMR Shareholding | 
                                                                            
                                            | 11th Nov 2009 6:02 pm | PRN | Grant of Options | 
                                                                            
                                            | 11th Nov 2009 3:38 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 6th Nov 2009 3:41 pm | PRN | Director/PDMR Shareholding | 
                                                                            
                                            | 4th Nov 2009 5:26 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 30th Oct 2009 3:03 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 19th Oct 2009 2:23 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 9th Oct 2009 12:34 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 29th Sep 2009 7:00 am | RNS | Interim Results | 
                                                                            
                                            | 24th Aug 2009 11:00 am | RNS | Notice of Results | 
                                                                            
                                            | 20th May 2009 2:59 pm | RNS | Result of AGM | 
                                                                            
                                            | 20th May 2009 7:00 am | RNS | AGM Statement | 
                                                                            
                                            | 31st Mar 2009 7:00 am | RNS | Final Results | 
                                                                            
                                            | 30th Jan 2009 4:15 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Jan 2009 7:00 am | PRN | Grants of Options | 
                                                                            
                                            | 26th Jan 2009 5:26 pm | PRN | Correction : Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2009 7:00 am | RNS | Notice of Results | 
                                                                            
                                            | 16th Jan 2009 11:49 am | PRN | Director/PDMR Shareholding | 
                                                                            
                                            | 12th Jan 2009 2:35 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 29th Sep 2008 7:00 am | RNS | Interim Results | 
                                                                            
                                            | 16th Sep 2008 7:00 am | RNS | Notice of Results | 
                                                                            
                                            | 11th Jul 2008 7:00 am | RNS | Directorate Change | 
                                                                            
                                            | 25th Jun 2008 2:15 pm | RNS | Result of AGM | 
                                                                            
                                            | 25th Jun 2008 12:00 pm | RNS | AGM Statement | 
                                                                            
                                            | 23rd Jun 2008 7:00 am | PRN | Director/PDMR Shareholding | 
                                                                            
                                            | 13th Jun 2008 1:18 pm | RNS | Notice of AGM | 
                                                                            
                                            | 8th May 2008 1:00 pm | RNS | Change of Company Address | 
                                                                            
                                            | 29th Apr 2008 7:01 am | RNS | Final Results | 
                                                                            
                                            | 7th Apr 2008 7:00 am | RNS | Notice of Results | 
                                                                            
                                            | 9th Nov 2007 7:01 am | RNS | Grant of Options | 
                                                                            
                                            | 2nd Oct 2007 7:01 am | RNS | Directorate Appointment | 
                                                                            
                                            | 27th Sep 2007 7:02 am | RNS | Interim Results | 
                                                                            
                                            | 14th Sep 2007 7:00 am | RNS | Notice of Results | 
                                                                            
                                            | 20th Aug 2007 7:02 am | RNS | AIM Rule 26 Information | 
                                                                            
                                            | 30th Jul 2007 7:01 am | RNS | US Distribution Agreement | 
                                                                            
                                            | 29th Jun 2007 12:13 pm | PRN | Holding(s) in Company | 
                                                                            
                                            | 29th Jun 2007 11:44 am | PRN | Total Voting Rights | 
                                                                            
                                            | 25th Jun 2007 2:15 pm | RNS | Result of AGM |