| 30-Sep-11 07:00 | RNS | Transaction in Own Shares | Transaction in Own Shares |
| 29-Sep-11 07:00 | RNS | Transaction in Own Shares | Transaction in Own Shares |
| 28-Sep-11 07:00 | RNS | Transaction in Own Shares | Transaction in Own Shares |
| 27-Sep-11 07:00 | RNS | Transaction in Own Shares | Transaction in Own Shares |
| 26-Sep-11 07:00 | RNS | Employee share scheme purchases | Company Announcement - General |
| 21-Sep-11 17:46 | RNS | Blocklisting Interim Review | Company Announcement - General |
| 21-Sep-11 07:00 | RNS | Drilling Update | Results and Trading Reports |
| 20-Sep-11 16:49 | RNS | Blocklisting Interim Review | Company Announcement - General |
| 20-Sep-11 15:14 | RNS | Total Voting Rights | Company Announcement - General |
| 20-Sep-11 09:38 | RNS | Holding(s) in Company | Holding(s) in Company |
| 12-Sep-11 09:44 | RNS | Dividend Exchange Rate | Company Announcement - General |
| 09-Sep-11 15:24 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 09-Sep-11 11:35 | RNS | Holding(s) in Company | Holding(s) in Company |
| 10-Aug-11 11:37 | RNS | Replacement 2011 Interim Results | Results and Trading Reports |
| 10-Aug-11 07:00 | RNS | 2011 Interim Results | Results and Trading Reports |
| 03-Aug-11 07:00 | RNS | Drilling Update | Results and Trading Reports |
| 21-Jul-11 07:00 | RNS | Trading Statement | Results and Trading Reports |
| 13-Jul-11 07:04 | RNS | Drilling Update | Results and Trading Reports |
| 07-Jul-11 07:00 | RNS | Drilling Update | Results and Trading Reports |
| 21-Jun-11 11:56 | RNS | Change of Auditor | Company Announcement - General |
| 17-Jun-11 07:00 | RNS | Drilling Update | Results and Trading Reports |
| 09-Jun-11 13:56 | RNS | Replacement Director/PDMR Shareholding | Directors' Dealings |
| 03-Jun-11 08:24 | RNS | Drilling Update | Company Announcement - General |
| 18-May-11 15:39 | RNS | Result of AGM | Results and Trading Reports |
| 16-May-11 14:28 | RNS | 2010 Dividend Exchange Rates | Dividends |
| 10-May-11 07:00 | RNS | Drilling Update | Results and Trading Reports |
| 09-May-11 08:47 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 26-Apr-11 16:13 | RNS | Annual Information Update | Company Announcement - General |
| 26-Apr-11 12:03 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 21-Apr-11 07:00 | RNS | Interim Management Statement | Company Announcement - General |