| 6th Dec 2022 7:00 am | RNS | Approval of genesig COVID-19 3G PCR test in UK | 
                                                                            
                                            | 1st Dec 2022 5:00 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 10th Nov 2022 7:00 am | RNS | Directorate Change | 
                                                                            
                                            | 1st Nov 2022 5:00 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 27th Oct 2022 6:45 pm | RNS | CORRECTION: UK CTDA approval of Winterplex 3G | 
                                                                            
                                            | 26th Oct 2022 7:00 am | RNS | UK Approval of genesig® SARS-CoV-2 Winterplex® 3G | 
                                                                            
                                            | 3rd Oct 2022 3:30 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 29th Sep 2022 7:00 am | RNS | Half year 2022 results | 
                                                                            
                                            | 15th Sep 2022 7:00 am | RNS | Notice of Results and Investor Presentation | 
                                                                            
                                            | 1st Sep 2022 12:00 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 4th Aug 2022 7:00 am | RNS | Launch of first fully lyophilised PROmate® assays | 
                                                                            
                                            | 1st Aug 2022 2:30 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 28th Jul 2022 7:00 am | RNS | Launch of research-use-only adenovirus F41 assay | 
                                                                            
                                            | 20th Jul 2022 3:00 pm | RNS | Results of AGM | 
                                                                            
                                            | 15th Jul 2022 7:00 am | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 15th Jul 2022 7:00 am | RNS | Approval of exsig™ COVID-19 Direct test in the UK | 
                                                                            
                                            | 7th Jul 2022 3:00 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 7th Jul 2022 7:00 am | RNS | Trading update and progress against strategy | 
                                                                            
                                            | 5th Jul 2022 11:45 am | RNS | Holdings in Company | 
                                                                            
                                            | 1st Jul 2022 12:30 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 28th Jun 2022 7:00 am | RNS | Launch of monkeypox assay | 
                                                                            
                                            | 21st Jun 2022 2:00 pm | RNS | Notice of rescheduled AGM | 
                                                                            
                                            | 16th Jun 2022 7:00 am | RNS | DHSC dispute update | 
                                                                            
                                            | 13th Jun 2022 7:00 am | RNS | AGM Voting | 
                                                                            
                                            | 1st Jun 2022 1:00 pm | RNS | Liquidity Agreement and Total Voting Rights | 
                                                                            
                                            | 1st Jun 2022 7:00 am | RNS | CTDA approval and CE mark | 
                                                                            
                                            | 1st Jun 2022 7:00 am | RNS | Publication of Annual Report and AGM voting | 
                                                                            
                                            | 13th May 2022 7:00 am | RNS | Notice of Annual General Meeting | 
                                                                            
                                            | 3rd May 2022 12:21 pm | RNS | Liquidity Agreement Update and Total Voting Rights | 
                                                                            
                                            | 28th Apr 2022 7:00 am | RNS | Full year results and update on growth strategy | 
                                                                            
                                            | 26th Apr 2022 7:00 am | RNS | DHSC dispute update | 
                                                                            
                                            | 20th Apr 2022 7:00 am | RNS | Notice of Results and Investor Presentation | 
                                                                            
                                            | 12th Apr 2022 7:00 am | RNS | Approval of COVID-19 test under CTDA legislation | 
                                                                            
                                            | 1st Apr 2022 11:45 am | RNS | Liquidity Agreement Update and Total Voting Rights | 
                                                                            
                                            | 25th Mar 2022 5:25 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 18th Mar 2022 6:00 pm | RNS | Director/PCA Dealing | 
                                                                            
                                            | 15th Mar 2022 2:30 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 11th Mar 2022 8:00 am | RNS | Holdings in Company | 
                                                                            
                                            | 1st Mar 2022 1:00 pm | RNS | Liquidity Agreement Update and Total Voting Rights | 
                                                                            
                                            | 18th Feb 2022 4:05 pm | RNS | Holdings in Company |