| 30th Jan 2019 11:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 29th Jan 2019 10:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 24th Jan 2019 7:00 am | 
                                            RNS | 
                                            Block 7 Zama appraisal success | 
                                        
                                                                            
                                            | 23rd Jan 2019 10:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 18th Jan 2019 11:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 17th Jan 2019 11:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 14th Jan 2019 3:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 14th Jan 2019 8:41 am | 
                                            RNS | 
                                            Statement re Market speculation | 
                                        
                                                                            
                                            | 10th Jan 2019 11:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 10th Jan 2019 7:00 am | 
                                            RNS | 
                                            Trading and Operations Update | 
                                        
                                                                            
                                            | 4th Jan 2019 3:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 4th Jan 2019 11:00 am | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 3rd Jan 2019 1:00 pm | 
                                            RNS | 
                                            Total Voting Rights and Warrant Update | 
                                        
                                                                            
                                            | 3rd Jan 2019 1:00 pm | 
                                            RNS | 
                                            Block listing Interim Review | 
                                        
                                                                            
                                            | 2nd Jan 2019 12:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 31st Dec 2018 10:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 27th Dec 2018 3:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 27th Dec 2018 3:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 14th Dec 2018 11:00 am | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 7th Dec 2018 7:00 am | 
                                            RNS | 
                                            Completion of Babbage sale & operations update | 
                                        
                                                                            
                                            | 4th Dec 2018 5:30 pm | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 3rd Dec 2018 9:00 am | 
                                            RNS | 
                                            Total Voting Rights and Warrant Update | 
                                        
                                                                            
                                            | 19th Nov 2018 11:00 am | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 15th Nov 2018 7:00 am | 
                                            RNS | 
                                            Trading and Operations Update | 
                                        
                                                                            
                                            | 2nd Nov 2018 4:30 pm | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 10th Oct 2018 5:30 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 5th Oct 2018 5:40 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 3rd Oct 2018 10:00 am | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 1st Oct 2018 1:00 pm | 
                                            RNS | 
                                            Total Voting Rights and Warrant Update | 
                                        
                                                                            
                                            | 7th Sep 2018 9:00 am | 
                                            RNS | 
                                            Total Voting Rights | 
                                        
                                                                            
                                            | 5th Sep 2018 6:30 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 5th Sep 2018 7:00 am | 
                                            RNS | 
                                            Mandatory Conversion of Convertible Bonds | 
                                        
                                                                            
                                            | 4th Sep 2018 12:00 pm | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 3rd Sep 2018 1:00 pm | 
                                            RNS | 
                                            Total Voting Rights and Warrant Update | 
                                        
                                                                            
                                            | 23rd Aug 2018 7:00 am | 
                                            RNS | 
                                            Half-Year Results | 
                                        
                                                                            
                                            | 20th Aug 2018 7:00 am | 
                                            RNS | 
                                            Tolmount development sanctioned | 
                                        
                                                                            
                                            | 16th Aug 2018 3:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 14th Aug 2018 5:00 pm | 
                                            RNS | 
                                            Holding(s) in Company | 
                                        
                                                                            
                                            | 2nd Aug 2018 5:00 pm | 
                                            RNS | 
                                            Director/PDMR Shareholding | 
                                        
                                                                            
                                            | 1st Aug 2018 9:00 am | 
                                            RNS | 
                                            Total Voting Rights and Warrant Update |