| 17th Sep 2014 4:34 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Sep 2014 5:29 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 5th Sep 2014 10:17 am | RNS | Additional Listing | 
                                                                            
                                            | 3rd Sep 2014 7:00 am | RNS | Notice of Interim Results | 
                                                                            
                                            | 5th Aug 2014 7:00 am | RNS | CRISPR Experts Join Scientific Advisory Board | 
                                                                            
                                            | 28th Jul 2014 3:57 pm | RNS | Additional Listing | 
                                                                            
                                            | 25th Jul 2014 7:00 am | RNS | HZD sign Collaboration Agreement with Otsuka | 
                                                                            
                                            | 23rd Jul 2014 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 3rd Jul 2014 7:00 am | RNS | Licenses AAV Gene Delivery Technology | 
                                                                            
                                            | 19th Jun 2014 10:48 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 17th Jun 2014 3:35 pm | RNS | Additional Listing | 
                                                                            
                                            | 16th Jun 2014 7:00 am | RNS | TSB Grant for next generation cancer diagnostics | 
                                                                            
                                            | 12th Jun 2014 7:00 am | RNS | Licenses CRISPR Technology from Broad Institute | 
                                                                            
                                            | 11th Jun 2014 12:11 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 9th Jun 2014 7:00 am | RNS | Appointment of two Non-Executive Directors | 
                                                                            
                                            | 2nd Jun 2014 7:00 am | RNS | Completion of Acquisition of CombinatoRx | 
                                                                            
                                            | 15th May 2014 7:00 am | RNS | Acquisition | 
                                                                            
                                            | 8th May 2014 7:00 am | RNS | Holding in Company | 
                                                                            
                                            | 8th May 2014 7:00 am | RNS | Licenses Gene Editing Technology from ERS Genomics | 
                                                                            
                                            | 6th May 2014 5:48 pm | RNS | Additional Listing | 
                                                                            
                                            | 30th Apr 2014 10:36 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 16th Apr 2014 5:09 pm | RNS | Stmnt re Share Price Movement | 
                                                                            
                                            | 11th Apr 2014 5:30 pm | RNS | Employee SAYE Share Plan | 
                                                                            
                                            | 31st Mar 2014 7:00 am | RNS | Holding in Company | 
                                                                            
                                            | 31st Mar 2014 7:00 am | RNS | Holding in Company | 
                                                                            
                                            | 27th Mar 2014 8:03 am | RNS | First Day of Dealings on AIM |