| 29/12/21 | NG. | 15:00:05 | 29 Dec 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 13/12/21 | NG. | 16:30:04 | 13 Dec 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 09/12/21 | NG. | 13:00:02 | 9 Dec 2021 | | NG. | Scrip Dividend for 2021/22 Interim Dividend | National Grid PLC | RNS |
| 08/12/21 | NG. | 14:49:25 | 8 Dec 2021 | | NG. | Holding(s) in Company | National Grid PLC | RNS |
| 08/12/21 | NG. | 13:02:44 | 8 Dec 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 06/12/21 | NG. | 13:00:01 | 6 Dec 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/12/21 | NG. | 09:30:05 | 3 Dec 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/12/21 | NG. | 10:57:51 | 1 Dec 2021 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 01/12/21 | NG. | 09:15:06 | 1 Dec 2021 | | NG. | National Grid - final RIIO-ED2 business plans | National Grid PLC | RNS |
| 23/11/21 | NG. | 17:40:08 | 23 Nov 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 23/11/21 | NG. | 09:03:45 | 23 Nov 2021 | | NG. | Board Changes | National Grid PLC | RNS |
| 18/11/21 | NG. | 17:02:13 | 18 Nov 2021 | | NG. | Publication of Suppl.Prospcts | National Grid PLC | RNS |
| 18/11/21 | NG. | 07:05:00 | 18 Nov 2021 | | NG. | National Grid - Doing Right Now: Investor Day | National Grid PLC | RNS |
| 18/11/21 | NG. | 07:00:03 | 18 Nov 2021 | | NG. | National Grid 2021/22 Half Year Results Statement | National Grid PLC | RNS |
| 09/11/21 | NG. | 15:00:00 | 9 Nov 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/11/21 | NG. | 10:00:02 | 3 Nov 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/11/21 | NG. | 11:21:19 | 1 Nov 2021 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 28/10/21 | NG. | 07:05:00 | 28 Oct 2021 | | NG. | CMA final determination for RIIO-2 appeals | National Grid PLC | RNS |
| 18/10/21 | NG. | 07:00:06 | 18 Oct 2021 | | NG. | Pre-Close Update ahead of 2021/22 HY Results | National Grid PLC | RNS |
| 08/10/21 | NG. | 16:29:10 | 8 Oct 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 05/10/21 | NG. | 10:30:08 | 5 Oct 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/10/21 | NG. | 07:00:07 | 4 Oct 2021 | | NG. | Massachusetts Gas 2021 Rate Case Order | National Grid PLC | RNS |
| 01/10/21 | NG. | 12:23:54 | 1 Oct 2021 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 28/09/21 | NG. | 07:00:03 | 28 Sept 2021 | | NG. | 3-yr rate plan proposal: NG’s Upstate NY business | National Grid PLC | RNS |
| 17/09/21 | NG. | 11:30:05 | 17 Sept 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 08/09/21 | NG. | 15:00:00 | 8 Sept 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 06/09/21 | NG. | 09:30:01 | 6 Sept 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/09/21 | NG. | 16:00:07 | 2 Sept 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/09/21 | NG. | 13:00:07 | 1 Sept 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/09/21 | NG. | 12:41:46 | 1 Sept 2021 | | NG. | Total Voting Rights | National Grid PLC | RNS |
| 01/09/21 | NG. | 12:00:04 | 1 Sept 2021 | | NG. | Publication of Final Terms | National Grid PLC | RNS |
| 01/09/21 | NG. | 08:00:09 | 1 Sept 2021 | | NG. | CMA clears acquisition of WPD | National Grid PLC | RNS |
| 25/08/21 | NG. | 18:11:41 | 25 Aug 2021 | | NG. | Director/PDMR Shareholding - Amendment | National Grid PLC | RNS |
| 20/08/21 | NG. | 17:16:22 | 20 Aug 2021 | | NG. | Director/PDMR Shareholding | National Grid PLC | RNS |
| 18/08/21 | NG. | 13:00:07 | 18 Aug 2021 | | NG. | Voting Rights and Capital update | National Grid PLC | RNS |
| 17/08/21 | NG. | 09:45:01 | 17 Aug 2021 | | NG. | National Grid plc Scrip Dividend | National Grid PLC | RNS |
| 16/08/21 | NG. | 17:00:01 | 16 Aug 2021 | | NG. | Publication of a Prospectus | National Grid PLC | RNS |
| 11/08/21 | | 07:05:05 | 11 Aug 2021 | | | CMA publishes provisional determination for RIIO-2 | National Grid PLC | RNS |
| 10/08/21 | | 11:30:07 | 10 Aug 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/08/21 | | 16:05:43 | 4 Aug 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/08/21 | | 09:00:01 | 3 Aug 2021 | | | Director’s Other Appointment | National Grid PLC | RNS |
| 02/08/21 | | 13:09:16 | 2 Aug 2021 | | | Total Voting Rights | National Grid PLC | RNS |
| 27/07/21 | | 08:00:07 | 27 Jul 2021 | | | Board Committee Changes | National Grid PLC | RNS |
| 26/07/21 | | 14:15:53 | 26 Jul 2021 | | | Publication of AGM Results | National Grid PLC | RNS |
| 22/07/21 | | 14:00:05 | 22 Jul 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 16/07/21 | | 14:47:36 | 16 Jul 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 08/07/21 | | 12:41:09 | 8 Jul 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 06/07/21 | | 07:00:08 | 6 Jul 2021 | | | Board Appointments | National Grid PLC | RNS |
| 02/07/21 | | 11:32:27 | 2 Jul 2021 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/07/21 | | 11:53:38 | 1 Jul 2021 | | | Total Voting Rights | National Grid PLC | RNS |
