| 23rd Mar 2015 7:00 am | RNS | Half Yearly Report | 
                                                                            
                                            | 7th Jan 2015 11:25 am | RNS | Result of EGM | 
                                                                            
                                            | 5th Dec 2014 9:21 am | RNS | Result of AGM | 
                                                                            
                                            | 4th Dec 2014 12:00 pm | RNS | Notice of EGM | 
                                                                            
                                            | 31st Oct 2014 10:38 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 30th Oct 2014 3:35 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Oct 2014 3:55 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 27th Oct 2014 4:45 pm | RNS | Annual Report & Notice of AGM | 
                                                                            
                                            | 23rd Oct 2014 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 23rd Oct 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 13th Oct 2014 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 13th Oct 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 10th Oct 2014 4:20 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 8th Oct 2014 7:00 am | RNS | Final results - Correction | 
                                                                            
                                            | 6th Oct 2014 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 6th Oct 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 6th Oct 2014 7:00 am | RNS | Final Results | 
                                                                            
                                            | 2nd Oct 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 6th Aug 2014 11:14 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 4th Aug 2014 3:31 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 1st Aug 2014 5:14 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 21st Jul 2014 11:09 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 17th Jul 2014 9:43 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 10th Jul 2014 12:33 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 9th Jul 2014 12:03 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 8th Jul 2014 12:22 pm | RNS | Disposal | 
                                                                            
                                            | 25th Jun 2014 7:00 am | RNS | Update on Carbon Arbitration | 
                                                                            
                                            | 24th Jun 2014 7:00 am | RNS | Return of cash to shareholders | 
                                                                            
                                            | 13th Jun 2014 3:45 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 12th Jun 2014 10:12 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 9th Jun 2014 1:01 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 9th Jun 2014 11:08 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Jun 2014 5:45 pm | RNS | Return of Cash to Shareholders | 
                                                                            
                                            | 21st May 2014 7:00 am | RNS | Distribution Timetable | 
                                                                            
                                            | 20th May 2014 7:00 am | RNS | Proposed Distribution | 
                                                                            
                                            | 11th Apr 2014 4:40 pm | RNS | Second Price Monitoring Extn | 
                                                                            
                                            | 11th Apr 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 1st Apr 2014 10:31 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Mar 2014 4:35 pm | RNS | Price Monitoring Extension | 
                                                                            
                                            | 24th Mar 2014 7:00 am | RNS | Half Yearly Report |