| 16/06/25 | 17:21:51 | 16 Jun 2025 | | Director/PDMR Shareholding |
| 10/06/25 | 14:00:07 | 10 Jun 2025 | | Director/PDMR Shareholding |
| 05/06/25 | 16:30:01 | 5 Jun 2025 | | Scrip Dividend for 2024/25 Final Dividend |
| 04/06/25 | 17:35:14 | 4 Jun 2025 | | Holding(s) in Company |
| 02/06/25 | 14:45:00 | 2 Jun 2025 | | Total Voting Rights |
| 30/05/25 | 16:30:00 | 30 May 2025 | | Holding(s) in Company |
| 30/05/25 | 07:00:06 | 30 May 2025 | | Completion of sale of National Grid Renewables |
| 29/05/25 | 17:15:00 | 29 May 2025 | | Holding(s) in Company |
| 29/05/25 | 15:01:11 | 29 May 2025 | | Publication of Annual Report and Accounts & AGM |
| 28/05/25 | 17:15:00 | 28 May 2025 | | Holding(s) in Company |
| 27/05/25 | 17:15:56 | 27 May 2025 | | Holding(s) in Company |
| 22/05/25 | 17:15:00 | 22 May 2025 | | Holding(s) in Company |
| 15/05/25 | 13:30:00 | 15 May 2025 | | Director Declaration |
| 15/05/25 | 07:00:08 | 15 May 2025 | | FY2025 Full Year Results Statement |
| 08/05/25 | 13:15:00 | 8 May 2025 | | Director/PDMR Shareholding |
| 01/05/25 | 16:45:00 | 1 May 2025 | | Total Voting Rights |
| 01/05/25 | 07:00:10 | 1 May 2025 | | National Grid plc announces CEO succession plan |
| 28/04/25 | 07:00:07 | 28 Apr 2025 | | 3-year rate plan proposal filed for NIMO |
| 10/04/25 | 07:00:08 | 10 Apr 2025 | | Pre-Close Update ahead of Full Year 24/25 Results |
| 08/04/25 | 14:00:01 | 8 Apr 2025 | | Director/PDMR Shareholding |
| 02/04/25 | 15:45:00 | 2 Apr 2025 | | Director/PDMR Shareholding |
| 01/04/25 | 15:00:00 | 1 Apr 2025 | | Total Voting Rights |
| 25/03/25 | 17:30:00 | 25 Mar 2025 | | Director Declaration |
| 11/03/25 | 10:15:00 | 11 Mar 2025 | | Director/PDMR Shareholding |
| 10/03/25 | 13:00:00 | 10 Mar 2025 | | Director/PDMR Shareholding |
| 03/03/25 | 16:50:00 | 3 Mar 2025 | | Total Voting Rights |
| 24/02/25 | 07:00:08 | 24 Feb 2025 | | Sale of National Grid Renewables |
| 10/02/25 | 13:30:00 | 10 Feb 2025 | | Director/PDMR Shareholding |
| 05/02/25 | 11:30:00 | 5 Feb 2025 | | Director/PDMR Shareholding |
| 03/02/25 | 12:00:04 | 3 Feb 2025 | | Total Voting Rights |
| 17/01/25 | 13:34:02 | 17 Jan 2025 | | Director/PDMR Shareholding |
| 15/01/25 | 13:45:00 | 15 Jan 2025 | | Director/PDMR Shareholding |
| 14/01/25 | 13:30:00 | 14 Jan 2025 | | Director/PDMR Shareholding |
| 14/01/25 | 12:15:01 | 14 Jan 2025 | | Voting Rights and Capital Update |
| 13/01/25 | 09:30:00 | 13 Jan 2025 | | National Grid plc Scrip Dividend |
| 08/01/25 | 14:15:00 | 8 Jan 2025 | | Director/PDMR Shareholding |
| 02/01/25 | 10:17:18 | 2 Jan 2025 | | Total Voting Rights |
| 18/12/24 | 07:00:04 | 18 Dec 2024 | | National Grid: RIIO-T3 Business Plan published |
| 10/12/24 | 13:45:01 | 10 Dec 2024 | | Director/PDMR Shareholding |
| 02/12/24 | 16:15:00 | 2 Dec 2024 | | Total Voting Rights |
| 28/11/24 | 13:30:00 | 28 Nov 2024 | | Scrip Dividend for 2024/25 Interim Dividend |
| 28/11/24 | 10:01:53 | 28 Nov 2024 | | Holding(s) in Company |
| 26/11/24 | 16:51:02 | 26 Nov 2024 | | Holding(s) in Company |
| 25/11/24 | 17:15:52 | 25 Nov 2024 | | Holding(s) in Company |
| 18/11/24 | 16:47:27 | 18 Nov 2024 | | Holding(s) in Company |
| 08/11/24 | 17:09:59 | 8 Nov 2024 | | Director/PDMR Shareholding |
| 07/11/24 | 07:00:07 | 7 Nov 2024 | | National Grid plc Half-Year Results 2024/25 |
| 01/11/24 | 16:30:00 | 1 Nov 2024 | | Total Voting Rights |
| 08/10/24 | 17:00:01 | 8 Oct 2024 | | Director/PDMR Shareholding |
| 04/10/24 | 15:00:00 | 4 Oct 2024 | | Director/PDMR Shareholding |
