Non-ownership Filings
| COVID-19 Update | Apr. 02, 2020 |
| COVID-19 Update | Apr. 02, 2020 |
| Unaudited Preliminary Results | Mar. 11, 2020 |
| Block listing Interim Review | Mar. 10, 2020 |
| FDA Approval of LiquiBand® Rapid(TM) | Mar. 10, 2020 |
| Year End Trading Update | Jan. 15, 2020 |
| Total Voting Rights | Dec. 31, 2019 |
Ownership Update Filings
| Holdings in Company | Mar. 30, 2020 |
| Holding(s) in Company | Mar. 13, 2020 |
| Holding(s) in Company | Feb. 11, 2020 |
| Holding(s) in Company | Oct. 31, 2019 |
| Holding(s) in Company | Sep. 16, 2019 |
| Director/PDMR Shareholding | Sep. 16, 2019 |
| Director/PDMR Shareholding | Apr. 29, 2019 |