| 8th Sep 2017 1:02 pm | RNS | Amendment to Covenant Measurement | 
                                                                            
                                            | 17th Aug 2017 8:41 am | RNS | Notification of Major Holdings | 
                                                                            
                                            | 8th Aug 2017 11:37 am | RNS | NOTIFICATION OF MAJOR HOLDINGS | 
                                                                            
                                            | 24th Jul 2017 7:00 am | RNS | FY 2017 Trading Update and FY 2018 Guidance | 
                                                                            
                                            | 3rd Jul 2017 7:00 am | RNS | Block Listing Six Monthly Return | 
                                                                            
                                            | 28th Jun 2017 7:00 am | RNS | Market Update | 
                                                                            
                                            | 22nd Jun 2017 12:00 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 20th Jun 2017 8:30 am | RNS | TR-1: Notification Of Major Interest In Shares | 
                                                                            
                                            | 15th Jun 2017 4:10 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 31st May 2017 7:00 am | RNS | Total Voting Rights | 
                                                                            
                                            | 24th May 2017 2:12 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 19th May 2017 2:45 pm | RNS | Notification of Transaction of Director / PDMR | 
                                                                            
                                            | 24th Apr 2017 3:50 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 24th Apr 2017 7:00 am | RNS | Q3 FY 2017 Production and Sales Report | 
                                                                            
                                            | 21st Apr 2017 3:20 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 18th Apr 2017 9:00 am | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 12th Apr 2017 1:05 pm | RNS | Existing Notes Redemption | 
                                                                            
                                            | 6th Apr 2017 7:00 am | RNS | Pricing of US$650 Million Notes Issue | 
                                                                            
                                            | 4th Apr 2017 2:01 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 30th Mar 2017 7:00 am | RNS | Proposed US$600M Notes Issue & Debt Restructuring | 
                                                                            
                                            | 21st Mar 2017 2:42 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 14th Mar 2017 3:47 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 13th Mar 2017 7:00 am | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 6th Mar 2017 3:40 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 3rd Mar 2017 12:17 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 20th Feb 2017 7:00 am | RNS | Interim results for the six months to 31 Dec 2016 | 
                                                                            
                                            | 23rd Jan 2017 7:00 am | RNS | Trading Update for the 6 Months ended 31 Dec 2016 | 
                                                                            
                                            | 20th Jan 2017 2:14 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 19th Jan 2017 4:18 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 16th Jan 2017 4:53 pm | RNS | TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES | 
                                                                            
                                            | 9th Jan 2017 7:00 am | RNS | Notification of H1 FY 2017 Trading Update | 
                                                                            
                                            | 5th Jan 2017 4:15 pm | RNS | Block listing six monthly return (correction) | 
                                                                            
                                            | 30th Dec 2016 7:00 am | RNS | Total Voting Rights | 
                                                                            
                                            | 29th Dec 2016 7:00 am | RNS | Full Report on Payments to Governments | 
                                                                            
                                            | 23rd Dec 2016 7:00 am | RNS | Block Listing Six Monthly Return | 
                                                                            
                                            | 21st Dec 2016 7:00 am | RNS | Report on Payments to Governments | 
                                                                            
                                            | 9th Dec 2016 7:00 am | RNS | PDMR dealing notification | 
                                                                            
                                            | 2nd Dec 2016 4:25 pm | RNS | TR1 Notification of Major Interest in Shares | 
                                                                            
                                            | 30th Nov 2016 10:34 am | RNS | Total Voting Rights | 
                                                                            
                                            | 28th Nov 2016 2:10 pm | RNS | Results of AGM |