| 9th Jan 2025 10:12 am | RNS | TR1 - Dowgate | 
                                                                            
                                            | 2nd Jan 2025 7:00 am | RNS | Block listing Interim Review | 
                                                                            
                                            | 27th Dec 2024 7:00 am | RNS | TR-1 | 
                                                                            
                                            | 26th Nov 2024 1:05 pm | RNS | TR-1 | 
                                                                            
                                            | 21st Nov 2024 11:01 am | RNS | TR-1 | 
                                                                            
                                            | 16th Oct 2024 10:27 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Oct 2024 4:22 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 30th Sep 2024 7:00 am | RNS | Interim Results 2024 | 
                                                                            
                                            | 19th Sep 2024 7:00 am | RNS | Notice of Results and Online Presentation | 
                                                                            
                                            | 6th Sep 2024 11:11 am | RNS | TR-1 | 
                                                                            
                                            | 5th Sep 2024 7:00 am | RNS | Filtration Licence Agreement with Donlim Group | 
                                                                            
                                            | 5th Sep 2024 7:00 am | RNS | Trading Update | 
                                                                            
                                            | 22nd Jul 2024 2:28 pm | RNS | TR-1 | 
                                                                            
                                            | 22nd Jul 2024 2:25 pm | RNS | TR-1 | 
                                                                            
                                            | 12th Jul 2024 4:16 pm | RNS | TR-1 | 
                                                                            
                                            | 11th Jul 2024 9:40 am | RNS | TR-1 | 
                                                                            
                                            | 4th Jul 2024 12:00 pm | RNS | Additional Subscription Shares Timetable | 
                                                                            
                                            | 3rd Jul 2024 7:00 am | RNS | Grant of Options | 
                                                                            
                                            | 1st Jul 2024 7:00 am | RNS | Block listing Interim Review | 
                                                                            
                                            | 25th Jun 2024 12:51 pm | RNS | Result of AGM | 
                                                                            
                                            | 21st Jun 2024 11:42 am | RNS | TR-1 | 
                                                                            
                                            | 20th Jun 2024 7:00 am | RNS | Additional Subscription Shares | 
                                                                            
                                            | 30th May 2024 9:47 am | RNS | Notice of AGM and Posting of Annual Report | 
                                                                            
                                            | 28th May 2024 7:00 am | RNS | FULL YEAR RESULTS 2023 | 
                                                                            
                                            | 24th May 2024 10:38 am | RNS | TR-1 | 
                                                                            
                                            | 22nd May 2024 7:00 am | RNS | Notice of Results and Online Presentation | 
                                                                            
                                            | 3rd May 2024 7:00 am | RNS | Appointment of Board Observer | 
                                                                            
                                            | 1st May 2024 2:14 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 30th Apr 2024 1:45 pm | RNS | TR-1 | 
                                                                            
                                            | 29th Apr 2024 5:20 pm | RNS | TR-1 | 
                                                                            
                                            | 29th Apr 2024 3:40 pm | RNS | TR-1 | 
                                                                            
                                            | 29th Apr 2024 3:14 pm | RNS | TR-1 | 
                                                                            
                                            | 29th Apr 2024 2:18 pm | RNS | TR-1 | 
                                                                            
                                            | 29th Apr 2024 2:14 pm | RNS | TR-1 | 
                                                                            
                                            | 26th Apr 2024 5:01 pm | RNS | TR-1 | 
                                                                            
                                            | 26th Apr 2024 12:09 pm | RNS | TR-1 | 
                                                                            
                                            | 25th Apr 2024 2:09 pm | RNS | Result of GM, Director Dealings and TVR | 
                                                                            
                                            | 19th Apr 2024 1:13 pm | RNS | Result of Retail Offer | 
                                                                            
                                            | 9th Apr 2024 2:58 pm | RNS | TR-1 | 
                                                                            
                                            | 8th Apr 2024 4:30 pm | RNS | Posting of Circular and Notice of General Meeting |