| 23/06/20 | 14:33:48 | 23 Jun 2020 | | Director/PDMR Shareholding | RNS |
| 04/06/20 | 07:00:07 | 4 Jun 2020 | | Pennon Full Year Results 2019/20 | RNS |
| 01/06/20 | 13:28:18 | 1 Jun 2020 | | Total Voting Rights | RNS |
| 28/05/20 | 12:26:21 | 28 May 2020 | | Result of Meeting | RNS |
| 20/05/20 | 17:14:17 | 20 May 2020 | | Director/PDMR Shareholding | RNS |
| 07/05/20 | 13:52:45 | 7 May 2020 | | Publication of Circular and Notice of GM | RNS |
| 06/05/20 | 07:00:08 | 6 May 2020 | | Redemption of £300m Capital Securities | RNS |
| 01/05/20 | 12:35:41 | 1 May 2020 | | Total Voting Rights | RNS |
| 24/04/20 | 14:30:53 | 24 Apr 2020 | | Holding(s) in Company | RNS |
| 22/04/20 | 13:36:56 | 22 Apr 2020 | | Director/PDMR Shareholding | RNS |
| 09/04/20 | 17:19:14 | 9 Apr 2020 | | Director/PDMR Shareholding | RNS |
| 01/04/20 | 18:17:58 | 1 Apr 2020 | | Total Voting Rights | RNS |
| 30/03/20 | 08:00:07 | 30 Mar 2020 | | Full Year 2019/20 Trading Statement | RNS |
| 24/03/20 | 13:20:14 | 24 Mar 2020 | | Holding(s) in Company | RNS |
| 20/03/20 | 16:54:27 | 20 Mar 2020 | | Director/PDMR Shareholding | RNS |
| 18/03/20 | 15:06:46 | 18 Mar 2020 | | Proposed Sale of Viridor for £4.2 billion to KKR | RNS |
| 28/02/20 | 12:26:15 | 28 Feb 2020 | | Total Voting Rights | RNS |
| 21/02/20 | 10:03:12 | 21 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 14/02/20 | 14:50:12 | 14 Feb 2020 | | Holding(s) in Company | RNS |
| 14/02/20 | 07:00:04 | 14 Feb 2020 | | South West Water Accepts Final Determination | RNS |
| 03/02/20 | 11:26:24 | 3 Feb 2020 | | Block listing Interim Review | RNS |
| 31/01/20 | 14:00:02 | 31 Jan 2020 | | Total Voting Rights | RNS |
| 21/01/20 | 15:15:55 | 21 Jan 2020 | | Director/PDMR Shareholding | RNS |
| 31/12/19 | 12:28:08 | 31 Dec 2019 | | Total Voting Rights | RNS |
| 20/12/19 | 14:15:11 | 20 Dec 2019 | | Director/PDMR Shareholding | RNS |
| 16/12/19 | 07:00:09 | 16 Dec 2019 | | Final Determination for South West Water | RNS |
| 29/11/19 | 15:55:15 | 29 Nov 2019 | | Total Voting Rights | RNS |
| 26/11/19 | 07:00:14 | 26 Nov 2019 | | Pennon Group plc Half Year Results | RNS |
| 21/11/19 | 11:17:52 | 21 Nov 2019 | | Director/PDMR Shareholding | RNS |
| 06/11/19 | 11:18:24 | 6 Nov 2019 | | Holding(s) in Company | RNS |
| 31/10/19 | 13:59:04 | 31 Oct 2019 | | Total Voting Rights | RNS |
| 25/10/19 | 11:11:35 | 25 Oct 2019 | | Holding(s) in Company | RNS |
| 23/10/19 | 17:58:12 | 23 Oct 2019 | | Director/PDMR Shareholding | RNS |
| 22/10/19 | 11:21:39 | 22 Oct 2019 | | Holding(s) in Company | RNS |
| 18/10/19 | 16:52:09 | 18 Oct 2019 | | Holding(s) in Company | RNS |
| 01/10/19 | 12:57:48 | 1 Oct 2019 | | Total Voting Rights | RNS |
| 27/09/19 | 08:00:08 | 27 Sept 2019 | | Pennon Trading Statement | RNS |
| 24/09/19 | 15:10:50 | 24 Sept 2019 | | Holding(s) in Company | RNS |
| 23/09/19 | 13:01:06 | 23 Sept 2019 | | Director/PDMR Shareholding | RNS |
| 17/09/19 | 10:59:39 | 17 Sept 2019 | | Director Notification | RNS |
| 06/09/19 | 18:10:34 | 6 Sept 2019 | | Director/PDMR Shareholding | RNS |
| 30/08/19 | 12:27:48 | 30 Aug 2019 | | Total Voting Rights | RNS |
| 20/08/19 | 16:29:55 | 20 Aug 2019 | | Director/PDMR Shareholding | RNS |
| 13/08/19 | 16:24:35 | 13 Aug 2019 | | Director/PDMR Shareholding | RNS |
| 06/08/19 | 12:00:48 | 6 Aug 2019 | | Director/PDMR Shareholding | RNS |
| 01/08/19 | 11:51:54 | 1 Aug 2019 | | Block Listing Interim Review | RNS |
| 31/07/19 | 12:49:03 | 31 Jul 2019 | | Total Voting Rights | RNS |
| 26/07/19 | 15:25:09 | 26 Jul 2019 | | Director/PDMR Shareholding | RNS |
| 26/07/19 | 14:21:15 | 26 Jul 2019 | | Director/PDMR Shareholding | RNS |
| 26/07/19 | 10:47:47 | 26 Jul 2019 | | Block listing application | RNS |
