| 29th Jan 2018 2:30 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 2:28 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 2:25 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 2:25 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 1:47 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 1:43 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 1:38 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 1:38 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 29th Jan 2018 10:46 am | RNS | Transaction in Own Shares | 
                                                                            
                                            | 29th Jan 2018 10:23 am | RNS | Transaction in Own Shares | 
                                                                            
                                            | 26th Jan 2018 12:32 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 26th Jan 2018 12:26 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 23rd Jan 2018 10:41 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 22nd Jan 2018 10:11 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2018 10:08 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2018 10:03 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2018 10:02 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2018 10:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 22nd Jan 2018 10:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 18th Jan 2018 7:00 am | RNS | FULL YEAR RESULTS | 
                                                                            
                                            | 3rd Jan 2018 9:59 am | RNS | Block listing Interim Review | 
                                                                            
                                            | 2nd Jan 2018 9:55 am | RNS | Total Voting Rights | 
                                                                            
                                            | 19th Dec 2017 10:30 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 19th Dec 2017 10:21 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 14th Dec 2017 5:09 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 11th Dec 2017 11:26 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 1st Dec 2017 9:43 am | RNS | Total Voting Rights | 
                                                                            
                                            | 27th Nov 2017 11:05 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 14th Nov 2017 7:00 am | RNS | POST-CLOSE STATEMENT | 
                                                                            
                                            | 1st Nov 2017 9:05 am | RNS | Total Voting Rights | 
                                                                            
                                            | 30th Oct 2017 4:02 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 27th Oct 2017 1:03 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 27th Oct 2017 10:10 am | RNS | Director Declaration | 
                                                                            
                                            | 6th Oct 2017 7:00 am | RNS | Contract Update | 
                                                                            
                                            | 2nd Oct 2017 9:44 am | RNS | Total Voting Rights | 
                                                                            
                                            | 20th Sep 2017 4:39 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 18th Sep 2017 5:09 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 5th Sep 2017 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 1st Sep 2017 9:47 am | RNS | Total Voting Rights | 
                                                                            
                                            | 7th Aug 2017 7:00 am | RNS | Contract Award |