| 02/08/22 | NG. | 10:00:05 | 2 Aug 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/08/22 | NG. | 12:15:02 | 1 Aug 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 18/07/22 | NG. | 09:30:52 | 18 Jul 2022 | | NG. | Director's Other Appointment | National Grid PLC | RNS |
| 15/07/22 | NG. | 12:30:01 | 15 Jul 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 11/07/22 | NG. | 12:43:07 | 11 Jul 2022 | | NG. | Result of AGM | National Grid PLC | RNS |
| 05/07/22 | NG. | 09:00:06 | 5 Jul 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/07/22 | NG. | 11:30:04 | 1 Jul 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 30/06/22 | NG. | 13:00:06 | 30 Jun 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 29/06/22 | NG. | 07:10:04 | 29 Jun 2022 | | NG. | RIIO-ED2 price control draft determinations | National Grid PLC | RNS |
| 28/06/22 | NG. | 07:00:08 | 28 Jun 2022 | | NG. | Responsible Business Report 21/22:Investor Webinar | National Grid PLC | RNS |
| 17/06/22 | NG. | 15:45:03 | 17 Jun 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 15/06/22 | NG. | 12:00:06 | 15 Jun 2022 | | NG. | Director's Other Appointment | National Grid PLC | RNS |
| 10/06/22 | NG. | 13:00:06 | 10 Jun 2022 | | NG. | Scrip Dividend for 2021/22 Final Dividend | National Grid PLC | RNS |
| 09/06/22 | NG. | 13:00:01 | 9 Jun 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 08/06/22 | NG. | 14:30:00 | 8 Jun 2022 | | NG. | Holding(s) in Company | National Grid PLC | RNS |
| 07/06/22 | NG. | 15:13:06 | 7 Jun 2022 | | NG. | Annual Report & Accounts and Notice of 2022 AGM | National Grid PLC | RNS |
| 06/06/22 | NG. | 14:30:05 | 6 Jun 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/06/22 | NG. | 13:30:01 | 1 Jun 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 30/05/22 | NG. | 08:00:03 | 30 May 2022 | | NG. | Publication of Final Terms | National Grid PLC | RNS |
| 25/05/22 | NG. | 14:20:07 | 25 May 2022 | | NG. | Sale completion of Narragansett Electric Company | National Grid PLC | RNS |
| 19/05/22 | NG. | 15:30:05 | 19 May 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 19/05/22 | NG. | 15:00:04 | 19 May 2022 | | NG. | Publication of a Supplementary Prospectus | National Grid PLC | RNS |
| 19/05/22 | NG. | 07:00:12 | 19 May 2022 | | NG. | Board Changes | National Grid PLC | RNS |
| 19/05/22 | NG. | 07:00:10 | 19 May 2022 | | NG. | National Grid Full Year Results 2021/22 | National Grid PLC | RNS |
| 10/05/22 | NG. | 12:00:02 | 10 May 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/05/22 | NG. | 11:00:01 | 3 May 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/05/22 | NG. | 11:00:01 | 3 May 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 14/04/22 | NG. | 07:00:05 | 14 Apr 2022 | | NG. | Pre-Close Update ahead of 21/22 Full Year Results | National Grid PLC | RNS |
| 11/04/22 | NG. | 17:00:02 | 11 Apr 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 08/04/22 | NG. | 16:30:08 | 8 Apr 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 05/04/22 | NG. | 09:30:04 | 5 Apr 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/04/22 | NG. | 10:30:05 | 1 Apr 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 28/03/22 | NG. | 07:00:06 | 28 Mar 2022 | | NG. | Sale of majority interest in NGGT and Metering | National Grid PLC | RNS |
| 22/03/22 | NG. | 08:00:01 | 22 Mar 2022 | | NG. | Publication of Final Terms | National Grid PLC | RNS |
| 15/03/22 | NG. | 11:00:25 | 15 Mar 2022 | | NG. | Sale of interest in St William Homes LLP JV | National Grid PLC | RNS |
| 08/03/22 | NG. | 11:30:07 | 8 Mar 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/03/22 | NG. | 10:33:17 | 2 Mar 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/03/22 | NG. | 11:37:36 | 1 Mar 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 08/02/22 | NG. | 17:08:41 | 8 Feb 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/02/22 | NG. | 12:00:10 | 4 Feb 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/02/22 | NG. | 09:44:04 | 1 Feb 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 26/01/22 | NG. | 18:32:06 | 26 Jan 2022 | | NG. | Holding(s) in Company | National Grid PLC | RNS |
| 21/01/22 | NG. | 16:39:01 | 21 Jan 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 19/01/22 | NG. | 14:00:03 | 19 Jan 2022 | | NG. | Voting Rights and Capital Update | National Grid PLC | RNS |
| 19/01/22 | NG. | 07:00:08 | 19 Jan 2022 | | NG. | Board Appointment | National Grid PLC | RNS |
| 18/01/22 | NG. | 09:00:07 | 18 Jan 2022 | | NG. | National Grid plc Scrip Dividend | National Grid PLC | RNS |
| 10/01/22 | NG. | 13:30:06 | 10 Jan 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 05/01/22 | NG. | 14:00:05 | 5 Jan 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/01/22 | NG. | 09:30:07 | 4 Jan 2022 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/01/22 | NG. | 09:00:04 | 4 Jan 2022 | | NG. | Total Voting Rights | National Grid PLC | RNS |