| 21st Jul 2016 1:34 pm | RNS | Issue of Equity | 
                                                                            
                                            | 30th Jun 2016 7:00 am | RNS | Half-year Report | 
                                                                            
                                            | 30th Mar 2016 4:00 pm | RNS | Issue of Equity | 
                                                                            
                                            | 21st Mar 2016 4:19 pm | RNS | Result of AGM | 
                                                                            
                                            | 21st Mar 2016 12:00 pm | RNS | AGM Trading Update and Contract Win | 
                                                                            
                                            | 28th Jan 2016 7:00 am | RNS | Issue of Equity | 
                                                                            
                                            | 21st Jan 2016 7:00 am | RNS | Final Results | 
                                                                            
                                            | 11th Jan 2016 3:57 pm | RNS | Additional Proceeds from 2013 Land Sale | 
                                                                            
                                            | 2nd Nov 2015 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 25th Jun 2015 7:00 am | RNS | Half Yearly Report | 
                                                                            
                                            | 15th Apr 2015 7:00 am | RNS | Appointment of Broker | 
                                                                            
                                            | 14th Apr 2015 4:32 pm | RNS | Director Disclosure | 
                                                                            
                                            | 31st Mar 2015 11:22 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 31st Mar 2015 7:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 26th Mar 2015 3:22 pm | RNS | Result of AGM | 
                                                                            
                                            | 26th Mar 2015 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 20th Mar 2015 12:26 pm | RNS | Re: Broker | 
                                                                            
                                            | 5th Feb 2015 11:53 am | RNS | Issue of Equity | 
                                                                            
                                            | 22nd Jan 2015 7:00 am | RNS | Final Results | 
                                                                            
                                            | 24th Oct 2014 10:58 am | RNS | Issue of Equity | 
                                                                            
                                            | 7th Oct 2014 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 28th Aug 2014 9:48 am | RNS | Directorate Change | 
                                                                            
                                            | 5th Aug 2014 7:00 am | RNS | Successful Move to New Shire Hill Facility | 
                                                                            
                                            | 31st Jul 2014 4:16 pm | RNS | Change of Registered Office | 
                                                                            
                                            | 26th Jun 2014 7:00 am | RNS | Half Yearly Report | 
                                                                            
                                            | 27th May 2014 3:17 pm | RNS | Issue of Equity | 
                                                                            
                                            | 7th Apr 2014 10:17 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 20th Mar 2014 5:19 pm | RNS | Issue of Equity | 
                                                                            
                                            | 11th Mar 2014 11:53 am | RNS | Issue of Equity | 
                                                                            
                                            | 6th Mar 2014 12:50 pm | RNS | Result of AGM | 
                                                                            
                                            | 6th Mar 2014 11:45 am | RNS | AGM Trading Update | 
                                                                            
                                            | 10th Feb 2014 3:46 pm | RNS | Issue of Equity | 
                                                                            
                                            | 23rd Jan 2014 7:00 am | RNS | Final Results | 
                                                                            
                                            | 19th Nov 2013 4:55 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 30th Sep 2013 4:51 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 26th Sep 2013 7:00 am | RNS | Preferred bidder status for Hitachi trains | 
                                                                            
                                            | 27th Aug 2013 4:00 pm | RNS | Sale of Saffron Walden premises for £2.6m | 
                                                                            
                                            | 23rd Aug 2013 2:31 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 13th Aug 2013 2:33 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 27th Jun 2013 10:38 am | RNS | Half Yearly Report |