| 28 Sep 2023 | 
                                        STX Interim Results 2023 | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 28 Sep 2023 | 
                                        Interim results update and business update  | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 29 Jun 2023 | 
                                        Results of 2023 Annual General Meeting | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 31 May 2023 | 
                                        Peel Hunt Consent Letter (2.7 Announcement) | 
                                                                                                                                
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                                        | 31 May 2023 | 
                                        Peel Hunt Consent Letter (Offer Document) | 
                                                                                                                                
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                                        | 31 May 2023 | 
                                        Numis Consent Letter (Offer Document) | 
                                                                                                                                
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                                        | 31 May 2023 | 
                                        Numis Consent Letter (2.7 Announcement) | 
                                                                                                                                
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                                        | 25 May 2023 | 
                                        Mandatory Cash Offer Document  | 
                                                                                                                                
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                                        | 25 May 2023 | 
                                        Letter from Peel Hunt  | 
                                                                                                                                
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                                        | 19 May 2023 | 
                                        Notice of Annual General Meeting 2023 | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 19 May 2023 | 
                                        2022 Annual Report and Accounts | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 19 May 2023 | 
                                        Letter to Shareholders | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 18 May 2023 | 
                                        Form 8 - PUBLIC OPENING POSITION DISCLOSURE BY A PARTY TO AN OFFER | 
                                                                                                                                
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                                        | 09 May 2023 | 
                                        Rule 2.9 Announcement and Total Voting Rights Update | 
                                                                                                                                
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                                        | 05 May 2023 | 
                                        Director's Irrevocable Undertaking- G Madison | 
                                                                                                                                
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                                        | 05 May 2023 | 
                                        Director's Irrevocable Undertaking - HP Hasler | 
                                                                                                                                
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                                        | 05 May 2023 | 
                                        Director's Irrevocable Undertaking- P Llewellyn-Davies | 
                                                                                                                                
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                                        | 05 May 2023 | 
                                        Director's Irrevocable Undertaking- A Lundstrom | 
                                                                                                                                
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                                        | 05 May 2023 | 
                                        Director's Irrevocable Undertaking - F Lacerca-Allen | 
                                                                                                                                
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                                        | 04 May 2023 | 
                                        Letter of Intent – Jupiter Asset Management | 
                                                                                                                                
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                                        | 04 May 2023 | 
                                        AOP Loan Conversion and Mandatory Cash Offer | 
                                                                                                                                
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                                        | 04 May 2023 | 
                                        Rule 2.11 Letter to Shareholders and Optionholders | 
                                                                                                                                
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                                        | 04 May 2023 | 
                                        Rule 2.11 Letter to Employees | 
                                                                                                                                
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                                        | 27 Apr 2023 | 
                                        2022 Final Results and Q1 2023 Update | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 27 Apr 2023 | 
                                        2022 Final Results and Q1 2023 Update - Investor Presentation | 
                                                                                                                                
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                                        | 27 Apr 2023 | 
                                        Business Update and Unaudited Results | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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                                        | 05 Jan 2023 | 
                                        Results of 2023 General Meeting | 
                                                                                                                                
                                                                                                    
                                                        
                                                    
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