| 30/11/22 | 07:11:32 | 30 Nov 2022 | | Ofgem’s RIIO-ED2 Final Determination published |
| 10/11/22 | 07:00:10 | 10 Nov 2022 | | National Grid 2022/23 Half Year Results Statement |
| 08/11/22 | 15:30:00 | 8 Nov 2022 | | Director/PDMR Shareholding |
| 02/11/22 | 10:00:00 | 2 Nov 2022 | | Director/PDMR Shareholding |
| 01/11/22 | 10:30:01 | 1 Nov 2022 | | Total Voting Rights |
| 10/10/22 | 13:00:03 | 10 Oct 2022 | | Director/PDMR Shareholding |
| 10/10/22 | 07:00:07 | 10 Oct 2022 | | Pre-Close Update ahead of 2022/23 HY Results |
| 04/10/22 | 12:30:01 | 4 Oct 2022 | | Director/PDMR Shareholding |
| 03/10/22 | 11:00:01 | 3 Oct 2022 | | Total Voting Rights |
| 12/09/22 | 16:30:05 | 12 Sept 2022 | | Director/PDMR Shareholding |
| 08/09/22 | 16:00:00 | 8 Sept 2022 | | Holding(s) in Company |
| 02/09/22 | 14:01:49 | 2 Sept 2022 | | Director/PDMR Shareholding |
| 01/09/22 | 10:30:06 | 1 Sept 2022 | | Total Voting Rights |
| 19/08/22 | 13:00:06 | 19 Aug 2022 | | Director/PDMR Shareholding |
| 17/08/22 | 14:30:01 | 17 Aug 2022 | | Voting Rights and Capital Update |
| 16/08/22 | 09:00:06 | 16 Aug 2022 | | National Grid plc Scrip Dividend |
| 11/08/22 | 16:30:05 | 11 Aug 2022 | | Publication of a Prospectus |
| 10/08/22 | 10:30:06 | 10 Aug 2022 | | Director/PDMR Shareholding |
| 03/08/22 | 16:45:10 | 3 Aug 2022 | | Director/PDMR Shareholding |
| 02/08/22 | 16:07:00 | 2 Aug 2022 | | Publication of a Supplementary Prospectus |
| 02/08/22 | 10:00:05 | 2 Aug 2022 | | Director/PDMR Shareholding |
| 01/08/22 | 12:15:02 | 1 Aug 2022 | | Total Voting Rights |
| 18/07/22 | 09:30:52 | 18 Jul 2022 | | Director's Other Appointment |
| 15/07/22 | 12:30:01 | 15 Jul 2022 | | Director/PDMR Shareholding |
| 11/07/22 | 12:43:07 | 11 Jul 2022 | | Result of AGM |
| 05/07/22 | 09:00:06 | 5 Jul 2022 | | Director/PDMR Shareholding |
| 01/07/22 | 11:30:04 | 1 Jul 2022 | | Total Voting Rights |
| 30/06/22 | 13:00:06 | 30 Jun 2022 | | Director/PDMR Shareholding |
| 29/06/22 | 07:10:04 | 29 Jun 2022 | | RIIO-ED2 price control draft determinations |
| 28/06/22 | 07:00:08 | 28 Jun 2022 | | Responsible Business Report 21/22:Investor Webinar |
| 17/06/22 | 15:45:03 | 17 Jun 2022 | | Director/PDMR Shareholding |
| 16/06/22 | 14:30:09 | 16 Jun 2022 | | Stabilisation Notice - National Grid |
| 15/06/22 | 12:00:06 | 15 Jun 2022 | | Director's Other Appointment |
| 10/06/22 | 13:00:06 | 10 Jun 2022 | | Scrip Dividend for 2021/22 Final Dividend |
| 09/06/22 | 13:00:01 | 9 Jun 2022 | | Director/PDMR Shareholding |
| 08/06/22 | 14:30:00 | 8 Jun 2022 | | Holding(s) in Company |
| 07/06/22 | 15:13:06 | 7 Jun 2022 | | Annual Report & Accounts and Notice of 2022 AGM |
| 06/06/22 | 14:30:05 | 6 Jun 2022 | | Director/PDMR Shareholding |
| 01/06/22 | 13:30:01 | 1 Jun 2022 | | Total Voting Rights |
| 30/05/22 | 08:00:03 | 30 May 2022 | | Publication of Final Terms |
| 25/05/22 | 14:20:07 | 25 May 2022 | | Sale completion of Narragansett Electric Company |
| 23/05/22 | 17:32:32 | 23 May 2022 | | Stabilisation Notice - National Grid |
| 23/05/22 | 08:45:23 | 23 May 2022 | | Stabilisation Notice - National Grid plc |
| 19/05/22 | 15:30:05 | 19 May 2022 | | Director/PDMR Shareholding |
| 19/05/22 | 15:00:04 | 19 May 2022 | | Publication of a Supplementary Prospectus |
| 19/05/22 | 07:00:12 | 19 May 2022 | | Board Changes |
| 19/05/22 | 07:00:10 | 19 May 2022 | | National Grid Full Year Results 2021/22 |
| 10/05/22 | 12:00:02 | 10 May 2022 | | Director/PDMR Shareholding |
| 03/05/22 | 11:00:01 | 3 May 2022 | | Director/PDMR Shareholding |
| 03/05/22 | 11:00:01 | 3 May 2022 | | Total Voting Rights |
