| 14/04/22 | 07:00:05 | 14 Apr 2022 | | Pre-Close Update ahead of 21/22 Full Year Results |
| 11/04/22 | 17:00:02 | 11 Apr 2022 | | Director/PDMR Shareholding |
| 08/04/22 | 16:30:08 | 8 Apr 2022 | | Director/PDMR Shareholding |
| 05/04/22 | 09:30:04 | 5 Apr 2022 | | Director/PDMR Shareholding |
| 01/04/22 | 10:30:05 | 1 Apr 2022 | | Total Voting Rights |
| 28/03/22 | 07:00:06 | 28 Mar 2022 | | Sale of majority interest in NGGT and Metering |
| 22/03/22 | 08:00:01 | 22 Mar 2022 | | Publication of Final Terms |
| 15/03/22 | 11:00:25 | 15 Mar 2022 | | Sale of interest in St William Homes LLP JV |
| 08/03/22 | 11:30:07 | 8 Mar 2022 | | Director/PDMR Shareholding |
| 02/03/22 | 10:33:17 | 2 Mar 2022 | | Director/PDMR Shareholding |
| 01/03/22 | 11:37:36 | 1 Mar 2022 | | Total Voting Rights |
| 08/02/22 | 17:08:41 | 8 Feb 2022 | | Director/PDMR Shareholding |
| 04/02/22 | 12:00:10 | 4 Feb 2022 | | Director/PDMR Shareholding |
| 01/02/22 | 09:44:04 | 1 Feb 2022 | | Total Voting Rights |
| 26/01/22 | 18:32:06 | 26 Jan 2022 | | Holding(s) in Company |
| 21/01/22 | 16:39:01 | 21 Jan 2022 | | Director/PDMR Shareholding |
| 19/01/22 | 14:00:03 | 19 Jan 2022 | | Voting Rights and Capital Update |
| 19/01/22 | 07:00:08 | 19 Jan 2022 | | Board Appointment |
| 18/01/22 | 09:00:07 | 18 Jan 2022 | | National Grid plc Scrip Dividend |
| 10/01/22 | 13:30:06 | 10 Jan 2022 | | Director/PDMR Shareholding |
| 05/01/22 | 14:00:05 | 5 Jan 2022 | | Director/PDMR Shareholding |
| 04/01/22 | 09:30:07 | 4 Jan 2022 | | Director/PDMR Shareholding |
| 04/01/22 | 09:00:04 | 4 Jan 2022 | | Total Voting Rights |
| 29/12/21 | 15:00:05 | 29 Dec 2021 | | Director/PDMR Shareholding |
| 13/12/21 | 16:30:04 | 13 Dec 2021 | | Director/PDMR Shareholding |
| 09/12/21 | 13:00:02 | 9 Dec 2021 | | Scrip Dividend for 2021/22 Interim Dividend |
| 08/12/21 | 14:49:25 | 8 Dec 2021 | | Holding(s) in Company |
| 08/12/21 | 13:02:44 | 8 Dec 2021 | | Director/PDMR Shareholding |
| 06/12/21 | 13:00:01 | 6 Dec 2021 | | Director/PDMR Shareholding |
| 03/12/21 | 09:30:05 | 3 Dec 2021 | | Director/PDMR Shareholding |
| 01/12/21 | 10:57:51 | 1 Dec 2021 | | Total Voting Rights |
| 01/12/21 | 09:15:06 | 1 Dec 2021 | | National Grid - final RIIO-ED2 business plans |
| 23/11/21 | 17:40:08 | 23 Nov 2021 | | Director/PDMR Shareholding |
| 23/11/21 | 09:03:45 | 23 Nov 2021 | | Board Changes |
| 18/11/21 | 17:02:13 | 18 Nov 2021 | | Publication of Suppl.Prospcts |
| 18/11/21 | 07:05:00 | 18 Nov 2021 | | National Grid - Doing Right Now: Investor Day |
| 18/11/21 | 07:00:03 | 18 Nov 2021 | | National Grid 2021/22 Half Year Results Statement |
| 09/11/21 | 15:00:00 | 9 Nov 2021 | | Director/PDMR Shareholding |
| 03/11/21 | 10:00:02 | 3 Nov 2021 | | Director/PDMR Shareholding |
| 01/11/21 | 11:21:19 | 1 Nov 2021 | | Total Voting Rights |
| 28/10/21 | 07:05:00 | 28 Oct 2021 | | CMA final determination for RIIO-2 appeals |
| 18/10/21 | 07:00:06 | 18 Oct 2021 | | Pre-Close Update ahead of 2021/22 HY Results |
| 08/10/21 | 16:29:10 | 8 Oct 2021 | | Director/PDMR Shareholding |
| 05/10/21 | 10:30:08 | 5 Oct 2021 | | Director/PDMR Shareholding |
| 04/10/21 | 07:00:07 | 4 Oct 2021 | | Massachusetts Gas 2021 Rate Case Order |
| 01/10/21 | 12:23:54 | 1 Oct 2021 | | Total Voting Rights |
| 28/09/21 | 07:00:03 | 28 Sept 2021 | | 3-yr rate plan proposal: NG’s Upstate NY business |
| 17/09/21 | 11:30:05 | 17 Sept 2021 | | Director/PDMR Shareholding |
| 08/09/21 | 15:00:00 | 8 Sept 2021 | | Director/PDMR Shareholding |
| 06/09/21 | 09:30:01 | 6 Sept 2021 | | Director/PDMR Shareholding |
