| 22/07/13 | 17:20:15 | 22 Jul 2013 | | Treasury Stock | RNS |
| 15/07/13 | 18:21:17 | 15 Jul 2013 | | Index Linked Notes change of interest rate | RNS |
| 15/07/13 | 17:48:22 | 15 Jul 2013 | | Director/PDMR Shareholding | RNS |
| 08/07/13 | 17:52:59 | 8 Jul 2013 | | Director/PDMR Shareholding | RNS |
| 04/07/13 | 08:00:09 | 4 Jul 2013 | | Annual Report and Accounts and Notice of AGM | RNS |
| 03/07/13 | 16:31:42 | 3 Jul 2013 | | Director/PDMR Shareholding | RNS |
| 03/07/13 | 16:15:12 | 3 Jul 2013 | | Director/PDMR Shareholding | RNS |
| 28/06/13 | 11:22:40 | 28 Jun 2013 | | Total Voting Rights | RNS |
| 27/06/13 | 15:55:57 | 27 Jun 2013 | | Director/PDMR Shareholding | RNS |
| 26/06/13 | 16:36:05 | 26 Jun 2013 | | Director/PDMR Shareholding | RNS |
| 20/06/13 | 14:51:54 | 20 Jun 2013 | | Director/PDMR Shareholding | RNS |
| 20/06/13 | 13:33:10 | 20 Jun 2013 | | Treasury Stock | RNS |
| 13/06/13 | 17:02:27 | 13 Jun 2013 | | Treasury Stock | RNS |
| 12/06/13 | 18:08:17 | 12 Jun 2013 | | Director/PDMR Shareholding | RNS |
| 04/06/13 | 17:49:49 | 4 Jun 2013 | | Treasury Stock | RNS |
| 31/05/13 | 13:02:27 | 31 May 2013 | | Total Voting Rights | RNS |
| 28/05/13 | 17:51:44 | 28 May 2013 | | Director/PDMR Shareholding | RNS |
| 23/05/13 | 08:00:33 | 23 May 2013 | | Final Results | RNS |
| 22/05/13 | 11:01:56 | 22 May 2013 | | Holding(s) in Company | RNS |
| 21/05/13 | 19:10:28 | 21 May 2013 | | Director/PDMR Shareholding | RNS |
| 21/05/13 | 17:01:52 | 21 May 2013 | | Treasury Stock | RNS |
| 21/05/13 | 15:41:26 | 21 May 2013 | | Director/PDMR Shareholding | RNS |
| 17/05/13 | 18:27:32 | 17 May 2013 | | Holding(s) in Company | RNS |
| 01/05/13 | 16:28:59 | 1 May 2013 | | Treasury Stock | RNS |
| 01/05/13 | 15:24:18 | 1 May 2013 | | Total Voting Rights | RNS |
| 23/04/13 | 17:34:07 | 23 Apr 2013 | | Director/PDMR Shareholding | RNS |
| 23/04/13 | 17:11:29 | 23 Apr 2013 | | Director/PDMR Shareholding | RNS |
| 08/04/13 | 12:18:10 | 8 Apr 2013 | | Director/PDMR Shareholding | RNS |
| 08/04/13 | 11:57:06 | 8 Apr 2013 | | Director/PDMR Shareholding | RNS |
| 02/04/13 | 15:46:57 | 2 Apr 2013 | | Treasury Stock | RNS |
| 28/03/13 | 11:17:38 | 28 Mar 2013 | | Total Voting Rights | RNS |
| 27/03/13 | 12:35:40 | 27 Mar 2013 | | Scrip Dividend Alternative - Additional Listing | RNS |
| 22/03/13 | 10:08:39 | 22 Mar 2013 | | Director/PDMR Shareholding | RNS |
| 20/03/13 | 16:02:21 | 20 Mar 2013 | | Treasury Stock | RNS |
| 13/03/13 | 16:31:10 | 13 Mar 2013 | | Treasury Stock | RNS |
| 13/03/13 | 09:39:56 | 13 Mar 2013 | | Directorate Change | RNS |
| 07/03/13 | 14:51:56 | 7 Mar 2013 | | Treasury Stock | RNS |
| 06/03/13 | 15:45:26 | 6 Mar 2013 | | Publication of Prospectus | RNS |
| 01/03/13 | 17:14:14 | 1 Mar 2013 | | Issue of Perpetual Capital Securities | RNS |
| 28/02/13 | 14:39:22 | 28 Feb 2013 | | Total Voting Rights | RNS |
| 22/02/13 | 10:45:02 | 22 Feb 2013 | | Director/PDMR Shareholding | RNS |
| 20/02/13 | 15:51:54 | 20 Feb 2013 | | Treasury Stock | RNS |
| 18/02/13 | 17:24:19 | 18 Feb 2013 | | Holding(s) in Company | RNS |
| 18/02/13 | 09:42:03 | 18 Feb 2013 | | SCRIP DIVIDEND ALTERNATIVE | RNS |
| 14/02/13 | 07:00:07 | 14 Feb 2013 | | Interim Management Statement | RNS |
| 01/02/13 | 13:10:39 | 1 Feb 2013 | | Residual Waste Treatment Contract Signed | RNS |
| 01/02/13 | 10:13:01 | 1 Feb 2013 | | Blocklisting Interim Review | RNS |
| 31/01/13 | 10:50:24 | 31 Jan 2013 | | Total Voting Rights | RNS |
| 29/01/13 | 15:46:07 | 29 Jan 2013 | | Replacement - Director/PDMR Shareholding | RNS |
| 29/01/13 | 11:32:01 | 29 Jan 2013 | | Director/PDMR Shareholding | RNS |
