| 27/07/26 | 08:46:24 | 27 Jul 2026 | | Form 8.5 (EPT/RI) |
| 24/07/26 | 14:27:34 | 24 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 24/07/26 | 11:58:50 | 24 Jul 2026 | | Form 8.3 System1 Group plc - Stefan Barden |
| 24/07/26 | 09:15:55 | 24 Jul 2026 | | Form 8.3 - System1 Group plc - Sarah Kearon |
| 24/07/26 | 09:12:21 | 24 Jul 2026 | | Form 8.5 (EPT/RI) |
| 23/07/26 | 13:15:01 | 23 Jul 2026 | | Form 8 (OPD) System1 Group Plc |
| 23/07/26 | 13:15:00 | 23 Jul 2026 | | Form 8 (OPD) Brave Bison Group plc |
| 23/07/26 | 09:03:18 | 23 Jul 2026 | | Form 8.5 (EPT/RI) - System1 Group PLC |
| 23/07/26 | 07:12:28 | 23 Jul 2026 | | Form 8.5 (EPT/RI) - System1 Group PL |
| 22/07/26 | 10:06:53 | 22 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 22/07/26 | 09:13:57 | 22 Jul 2026 | | Form 8.5 (EPT/RI) |
| 21/07/26 | 15:30:09 | 21 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 21/07/26 | 12:25:00 | 21 Jul 2026 | | Form 8.3 - System1 Group - Bainsville Commercial |
| 21/07/26 | 08:39:13 | 21 Jul 2026 | | Form 8.5 (EPT/RI) |
| 20/07/26 | 16:02:20 | 20 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 20/07/26 | 09:03:28 | 20 Jul 2026 | | Form 8.5 (EPT/NON-RI) - System1 Group PLC |
| 20/07/26 | 07:56:33 | 20 Jul 2026 | | Form 8.5 (EPT/RI) |
| 20/07/26 | 07:00:06 | 20 Jul 2026 | | Form 8 OPD - System1 Group plc |
| 17/07/26 | 17:46:51 | 17 Jul 2026 | | Clarification statement |
| 17/07/26 | 09:59:13 | 17 Jul 2026 | | Form 8.5 (EPT/RI) |
| 17/07/26 | 09:58:25 | 17 Jul 2026 | | Form 8.3 - System1 - Amendment |
| 17/07/26 | 07:00:03 | 17 Jul 2026 | | Reiteration of unequivocal rejection |
| 16/07/26 | 11:57:31 | 16 Jul 2026 | | Form 8.5 (EPT/RI) |
| 15/07/26 | 16:47:13 | 15 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 15/07/26 | 11:46:48 | 15 Jul 2026 | | Form 8.5 (EPT/RI) |
| 15/07/26 | 09:18:08 | 15 Jul 2026 | | Form 8.5 (EPT/RI) |
| 14/07/26 | 17:32:07 | 14 Jul 2026 | | Form 8.3 - System1 Group plc |
| 14/07/26 | 11:59:27 | 14 Jul 2026 | | Form 8.3 System1 Group plc AXA IM UK |
| 14/07/26 | 10:51:30 | 14 Jul 2026 | | Form 8.5 (EPT/RI) |
| 14/07/26 | 10:17:44 | 14 Jul 2026 | | Form 8.3 - System1 Group plc |
| 13/07/26 | 18:20:33 | 13 Jul 2026 | | Form 8.3 - System1 Group PLC |
| 13/07/26 | 17:49:04 | 13 Jul 2026 | | Form 8.3 - System 1 Group PLC |
| 13/07/26 | 13:24:27 | 13 Jul 2026 | | Form 8 (OPD) - System1 Group plc |
| 13/07/26 | 07:56:00 | 13 Jul 2026 | | Disclosure Table |
| 13/07/26 | 07:45:00 | 13 Jul 2026 | | Disclosure Table |
| 13/07/26 | 07:05:00 | 13 Jul 2026 | | Response to announcement by Brave Bison Group plc |
| 13/07/26 | 07:00:06 | 13 Jul 2026 | | Possible Offer for System1 Group Plc |
| 08/07/26 | 16:15:00 | 8 Jul 2026 | | Dividend Timetable |
| 08/07/26 | 07:00:04 | 8 Jul 2026 | | Final Results |
| 02/07/26 | 07:00:03 | 2 Jul 2026 | | Notice of Investor Presentation |
| 01/05/26 | 16:30:01 | 1 May 2026 | | Holding(s) in Company |
| 21/04/26 | 07:01:01 | 21 Apr 2026 | | Relationship Agreement with Brave Bison |
| 21/04/26 | 07:00:05 | 21 Apr 2026 | | Q4 and Full Year Trading Update |
| 09/04/26 | 07:00:08 | 9 Apr 2026 | | Launch of next evolution of Test Your Ad platform |
| 30/03/26 | 16:30:01 | 30 Mar 2026 | | Holding(s) in Company |
| 30/03/26 | 15:30:00 | 30 Mar 2026 | | Director/PDMR Shareholding |
| 16/03/26 | 07:00:11 | 16 Mar 2026 | | Trading Update |
| 05/03/26 | 15:15:00 | 5 Mar 2026 | | Director/PDMR Shareholding |
| 03/03/26 | 17:15:00 | 3 Mar 2026 | | Holding(s) in Company |
| 03/03/26 | 16:06:34 | 3 Mar 2026 | | Board Change |
