| 05/11/19 | | 07:00:09 | 5 Nov 2019 | | | Board Change | National Grid PLC | RNS |
| 04/11/19 | | 10:22:37 | 4 Nov 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/11/19 | | 14:25:23 | 1 Nov 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 15/10/19 | | 08:24:46 | 15 Oct 2019 | | | Ofgem publish updated Hinkley-Seabank consultation | National Grid PLC | RNS |
| 08/10/19 | | 17:00:02 | 8 Oct 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/10/19 | | 17:29:31 | 2 Oct 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/10/19 | | 08:00:06 | 2 Oct 2019 | | | Massachusetts Electric 2019 Rate Case Order | National Grid PLC | RNS |
| 01/10/19 | | 13:51:17 | 1 Oct 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 20/09/19 | | 08:00:08 | 20 Sept 2019 | | | Investor teach-in on NG's US regulated businesses | National Grid PLC | RNS |
| 13/09/19 | | 16:30:01 | 13 Sept 2019 | | | Notice of Redemption | National Grid PLC | RNS |
| 11/09/19 | | 15:00:01 | 11 Sept 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/09/19 | | 12:00:01 | 4 Sept 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/09/19 | | 18:23:48 | 3 Sept 2019 | | | Publication of a Prospectus | National Grid PLC | RNS |
| 03/09/19 | | 10:27:40 | 3 Sept 2019 | | | NGG Finance plc Announces Tender Offer Results | National Grid PLC | RNS |
| 02/09/19 | | 11:51:21 | 2 Sept 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 29/08/19 | | 10:40:20 | 29 Aug 2019 | | | NGG Finance PLC Announces Target Acceptance Amount | National Grid PLC | RNS |
| 27/08/19 | | 11:20:16 | 27 Aug 2019 | | | NGG Finance Plc launches Cash Tender Offer | National Grid PLC | RNS |
| 19/08/19 | | 16:59:10 | 19 Aug 2019 | | | Publication of Annual Report - Group Company | National Grid PLC | RNS |
| 19/08/19 | | 16:37:19 | 19 Aug 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 16/08/19 | | 17:12:03 | 16 Aug 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 15/08/19 | | 16:54:47 | 15 Aug 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 14/08/19 | | 17:00:05 | 14 Aug 2019 | | | Total Voting Rights and Capital Update | National Grid PLC | RNS |
| 13/08/19 | | 10:00:03 | 13 Aug 2019 | | | Scrip Dividend | National Grid PLC | RNS |
| 08/08/19 | | 14:50:05 | 8 Aug 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 05/08/19 | | 10:11:48 | 5 Aug 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/08/19 | | 14:18:29 | 1 Aug 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 29/07/19 | | 16:40:06 | 29 Jul 2019 | | | Publication of AGM Results | National Grid PLC | RNS |
| 15/07/19 | | 17:16:46 | 15 Jul 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 10/07/19 | | 10:30:04 | 10 Jul 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 03/07/19 | | 13:32:29 | 3 Jul 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/07/19 | | 18:00:04 | 2 Jul 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/07/19 | | 08:00:08 | 2 Jul 2019 | | | National Grid publishes draft RIIO2 business plans | National Grid PLC | RNS |
| 01/07/19 | | 15:53:41 | 1 Jul 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 28/06/19 | | 12:08:12 | 28 Jun 2019 | | | Completion of sale of final 39% interest in Cadent | National Grid PLC | RNS |
| 18/06/19 | | 17:00:01 | 18 Jun 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 12/06/19 | | 17:20:12 | 12 Jun 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 06/06/19 | | 14:00:02 | 6 Jun 2019 | | | Scrip Dividend for 2018/19 Final Dividend | National Grid PLC | RNS |
| 04/06/19 | | 17:46:28 | 4 Jun 2019 | | | Holding(s) in Company | National Grid PLC | RNS |
| 04/06/19 | | 14:11:04 | 4 Jun 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 04/06/19 | | 10:56:37 | 4 Jun 2019 | | | Publication of Annual Report and Accounts | National Grid PLC | RNS |
| 03/06/19 | | 16:26:26 | 3 Jun 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 28/05/19 | | 17:19:05 | 28 May 2019 | | | Holding(s) in Company | National Grid PLC | RNS |
| 24/05/19 | | 08:07:10 | 24 May 2019 | | | Ofgem's RIIO-2 sector specific consultation update | National Grid PLC | RNS |
| 22/05/19 | | 16:06:57 | 22 May 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 16/05/19 | | 08:00:04 | 16 May 2019 | | | Full year results 2018/19 | National Grid PLC | RNS |
| 15/05/19 | | 11:00:01 | 15 May 2019 | | | Board Appointment and Committee Changes | National Grid PLC | RNS |
| 08/05/19 | | 12:49:41 | 8 May 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 02/05/19 | | 09:54:47 | 2 May 2019 | | | Director/PDMR Shareholding | National Grid PLC | RNS |
| 01/05/19 | | 14:35:09 | 1 May 2019 | | | Total Voting Rights | National Grid PLC | RNS |
| 30/04/19 | | 15:00:01 | 30 Apr 2019 | | | Rate Filing for downstate New York Gas Businesses | National Grid PLC | RNS |
