| 4th Jan 2021 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 11th Dec 2020 7:00 am | RNS | Financing and reporting update | 
                                                                            
                                            | 7th Dec 2020 2:00 pm | RNS | Appointment of Non-Executive Director | 
                                                                            
                                            | 1st Dec 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 11th Nov 2020 11:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Nov 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 28th Oct 2020 10:00 am | RNS | Update on 2020 Annual General Meeting vote | 
                                                                            
                                            | 23rd Oct 2020 7:00 am | RNS | 2020 Third Quarter Trading Update | 
                                                                            
                                            | 21st Oct 2020 10:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 7th Oct 2020 9:17 am | RNS | Result of Tender Offer | 
                                                                            
                                            | 6th Oct 2020 5:37 pm | RNS | Publication of Final Terms | 
                                                                            
                                            | 5th Oct 2020 5:15 pm | RNS | Publication of Supplement to Base Prospectus | 
                                                                            
                                            | 1st Oct 2020 5:05 pm | RNS | Maximum Acceptance Amount | 
                                                                            
                                            | 1st Oct 2020 3:15 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 1st Oct 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 29th Sep 2020 9:35 am | RNS | Tender Offer | 
                                                                            
                                            | 16th Sep 2020 4:00 pm | RNS | Publication of a Prospectus | 
                                                                            
                                            | 1st Sep 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 11th Aug 2020 7:02 am | RNS | Board Update | 
                                                                            
                                            | 11th Aug 2020 7:01 am | RNS | Board Update | 
                                                                            
                                            | 11th Aug 2020 7:00 am | RNS | Half-year Report | 
                                                                            
                                            | 3rd Aug 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 1st Jul 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 30th Jun 2020 7:00 am | RNS | Pre-close update | 
                                                                            
                                            | 1st Jun 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 1st Jun 2020 11:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 28th May 2020 2:03 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 26th May 2020 2:00 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 26th May 2020 11:00 am | RNS | Director Declaration | 
                                                                            
                                            | 14th May 2020 2:00 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 7th May 2020 2:58 pm | RNS | Result of AGM | 
                                                                            
                                            | 7th May 2020 7:00 am | RNS | First Quarter Trading Update | 
                                                                            
                                            | 1st May 2020 2:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 27th Apr 2020 2:00 pm | RNS | Disclosure Of Rights Attached To Equity Shares | 
                                                                            
                                            | 27th Apr 2020 7:00 am | RNS | Financing and current trading update | 
                                                                            
                                            | 7th Apr 2020 11:30 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 7th Apr 2020 10:00 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Apr 2020 3:00 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Apr 2020 2:00 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 1st Apr 2020 2:02 pm | RNS | Total Voting Rights |