| 31.01.2022 09:42 | HEAD | Total Voting Rights | RNS |
| 27.01.2022 07:00 | HEAD | Pre-Close Trading Update | RNS |
| 19.01.2022 16:16 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 04.01.2022 17:18 | HEAD | Exercise of share options / Transfer of shares | RNS |
| 31.12.2021 07:00 | HEAD | Total Voting Rights | RNS |
| 22.12.2021 12:33 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 14.12.2021 07:00 | HEAD | Appointment of Joint Broker | RNS |
| 07.12.2021 15:35 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 30.11.2021 11:36 | HEAD | Total Voting Rights | RNS |
| 25.11.2021 07:00 | HEAD | ESG and Trading Update | RNS |
| 24.11.2021 15:45 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 10.11.2021 11:31 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 08.11.2021 13:26 | HEAD | Director/PDMR Shareholding | RNS |
| 02.11.2021 11:13 | HEAD | Director/PDMR Shareholding | RNS |
| 01.11.2021 14:29 | HEAD | Total Voting Rights | RNS |
| 28.10.2021 13:32 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 13.10.2021 16:08 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 07.10.2021 07:00 | HEAD | Directorate Change | RNS |
| 30.09.2021 13:31 | HEAD | Total Voting Rights | RNS |
| 29.09.2021 13:39 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 24.09.2021 13:04 | HEAD | Director/PDMR Shareholding | RNS |
| 15.09.2021 14:33 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 02.09.2021 16:02 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 02.09.2021 07:00 | HEAD | Interim Results | RNS |
| 31.08.2021 11:11 | HEAD | Total Voting Rights | RNS |
| 18.08.2021 13:48 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 04.08.2021 14:47 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 02.08.2021 13:07 | HEAD | Total Voting Rights | RNS |
| 29.07.2021 07:00 | HEAD | Pre-Close Trading Update | RNS |
| 14.07.2021 13:18 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 07.07.2021 13:53 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 02.07.2021 15:37 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 01.07.2021 07:00 | HEAD | Capital Markets Day and Trading Update | RNS |
| 30.06.2021 12:57 | HEAD | Total Voting Rights | RNS |
| 23.06.2021 09:45 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 22.06.2021 07:00 | HEAD | Appointment of Non-Executive Director | RNS |
| 09.06.2021 13:39 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 01.06.2021 10:47 | HEAD | Total Voting Rights | RNS |
| 21.05.2021 12:51 | HEAD | Result of AGM | RNS |
| 21.05.2021 07:01 | HEAD | Publication of ESG Strategy Report | RNS |
| 21.05.2021 07:00 | HEAD | AGM Trading Update | RNS |
| 14.05.2021 07:00 | HEAD | Appointment of Non-Executive Director | RNS |
| 12.05.2021 13:01 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 30.04.2021 07:00 | HEAD | Disposal of Swiss Business | RNS |
| 09.04.2021 14:28 | HEAD | Performance Share Plan awards | RNS |
| 31.03.2021 16:50 | HEAD | Exercise of share options and TVR | RNS |
| 24.03.2021 11:59 | HEAD | Annual Report and Accounts and Notice of AGM | RNS |
| 10.03.2021 11:56 | HEAD | Dividend Payment Date | RNS |
| 09.03.2021 07:00 | HEAD | Final Results | RNS |
| 01.03.2021 15:58 | HEAD | Total Voting Rights | RNS |
| 02.02.2021 15:36 | HEAD | Option Exercise and Transfer of Treasury Shares. | RNS |
| 01.02.2021 09:48 | HEAD | Total Voting Rights | RNS |
| 21.01.2021 12:19 | HEAD | Holding(s) in Company | RNS |
| 21.01.2021 07:00 | HEAD | Trading Update | RNS |
| 06.01.2021 10:47 | HEAD | Option Exercise and Transfer of Treasury Shares | RNS |
| 06.01.2021 07:00 | HEAD | COVID-19 Operational Update | RNS |
