| 20/04/2021 | 17:04 | Notice of AGM and Proposed Change of Company Name | |
| 01/04/2021 | 07:04 | Tender Offer of ZDP Shares and Notice of EGM | |
| 31/03/2021 | 07:03 | Final Results for the Year Ended 31 December 2020 | |
| 22/03/2021 | 07:03 | Transaction in Own Shares & Total Voting Rights | |
| 18/03/2021 | 07:03 | Transaction in Own Shares & Total Voting Rights | |
| 02/03/2021 | 07:03 | Transaction in Own Shares & Total Voting Rights | |
| 26/02/2021 | 17:02 | ZDP Tender Offer Update and Buyback Programme | |
| 31/12/2020 | 12:12 | Total Voting Rights, Issue of Bonds and Warrants | |
| 23/12/2020 | 11:12 | TR-1: Notification of Major Holdings | |
| 08/12/2020 | 07:12 | Director/ PDMR Dealing |