| 19/06/26 | 15:20:00 | 19 Jun 2026 | | Pentwater Capital Management LP - Form 8.3 - Senior PLC | PRN |
| 08/06/26 | 15:20:00 | 8 Jun 2026 | | Pentwater Capital Management LP - Form 8.3 - Senior PLC | PRN |
| 02/04/26 | 09:58:51 | 2 Apr 2026 | | Form 8.5 (EPT/RI) - Senior plc | RNS |
| 01/04/26 | 15:20:32 | 1 Apr 2026 | | Form 8.3 - Senior plc | RNS |
| 01/04/26 | 15:20:00 | 1 Apr 2026 | | Form 8.3 - Senior plc | RNS |
| 01/04/26 | 15:01:20 | 1 Apr 2026 | | Form 8.3 - SENIOR PLC | RNS |
| 01/04/26 | 14:40:34 | 1 Apr 2026 | | Form 8.3 - Senior PLC | RNS |
| 01/04/26 | 12:17:53 | 1 Apr 2026 | | Form 8.3 - Senior plc | RNS |
| 01/04/26 | 12:10:55 | 1 Apr 2026 | | Form 8.5 (EPT/NON-RI) - SENIOR PLC | RNS |
| 01/04/26 | 11:55:01 | 1 Apr 2026 | | Form 8.5 (EPT/RI) - Senior Plc | RNS |
| 01/04/26 | 11:47:34 | 1 Apr 2026 | | Form 8.5 (EPT/RI) - SENIOR PLC | RNS |
| 01/04/26 | 11:41:32 | 1 Apr 2026 | | Form 8.5 (EPT/NON-RI) Senior Plc Replacement | RNS |
| 01/04/26 | 11:38:56 | 1 Apr 2026 | | Form 8.5 EPT/Non RI SENIOR PLC | RNS |
| 01/04/26 | 11:34:11 | 1 Apr 2026 | | Form 8.5 (EPT/NON-RI) Senior Plc Replacement | RNS |
| 01/04/26 | 10:55:47 | 1 Apr 2026 | | Form 8.3 - Senior Plc | RNS |
| 01/04/26 | 10:03:10 | 1 Apr 2026 | | Form 8.5 (EPT/NON-RI) Senior Plc | RNS |
| 01/04/26 | 09:52:16 | 1 Apr 2026 | | Form 8.5 (EPT/RI) - Senior plc | RNS |
| 01/04/26 | 09:26:01 | 1 Apr 2026 | | Disclosure Table | RNS |
| 01/04/26 | 08:55:40 | 1 Apr 2026 | | No intention to make an offer | RNS |
| 31/03/26 | 15:46:31 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 15:20:00 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 14:51:12 | 31 Mar 2026 | | Form 8.3 - SENIOR PLC | RNS |
| 31/03/26 | 14:47:23 | 31 Mar 2026 | | Form 8.3 - Senior PLC | RNS |
| 31/03/26 | 14:17:15 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 14:11:00 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 12:46:14 | 31 Mar 2026 | | Form 8.5 (EPT/NON-RI) - SENIOR PLC | RNS |
| 31/03/26 | 12:22:55 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 11:55:01 | 31 Mar 2026 | | Form 8.5 (EPT/RI) - Senior Plc | RNS |
| 31/03/26 | 11:25:15 | 31 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 31/03/26 | 11:23:34 | 31 Mar 2026 | | Form 8.5 (EPT/RI) - SENIOR PLC | RNS |
| 31/03/26 | 10:50:59 | 31 Mar 2026 | | Form 8.5 (EPT/RI) - Senior plc | RNS |
| 31/03/26 | 10:29:40 | 31 Mar 2026 | | Form 8.3 - Senior Plc | RNS |
| 31/03/26 | 10:19:47 | 31 Mar 2026 | | Form 8.5 (EPT/NON-RI) Senior plc | RNS |
| 31/03/26 | 09:49:31 | 31 Mar 2026 | | Form 8.5 EPT/Non RI SENIOR PLC | RNS |
| 31/03/26 | 07:00:09 | 31 Mar 2026 | | Extension of PUSU Deadline | RNS |
| 30/03/26 | 15:20:00 | 30 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 30/03/26 | 14:22:18 | 30 Mar 2026 | | Form 8.3 - Senior PLC | RNS |
| 30/03/26 | 14:06:06 | 30 Mar 2026 | | Form 8.3 - Senior PLC | RNS |
| 30/03/26 | 13:14:56 | 30 Mar 2026 | | Form 8.5 (EPT/NON-RI) - Senior Plc Replacement | RNS |
| 30/03/26 | 13:08:07 | 30 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 30/03/26 | 12:40:31 | 30 Mar 2026 | | Form 8.3 - SENIOR PLC | RNS |
| 30/03/26 | 12:03:42 | 30 Mar 2026 | | Form 8.5 (EPT/NON-RI) - Senior Plc | RNS |
| 30/03/26 | 11:59:59 | 30 Mar 2026 | | Form 8.5 (EPT/RI) - Senior Plc | RNS |
| 30/03/26 | 11:58:41 | 30 Mar 2026 | | Form 8.5 (EPT/NON-RI) - SENIOR PLC | RNS |
| 30/03/26 | 11:52:16 | 30 Mar 2026 | | Form 8.5 (EPT/RI) - SENIOR PLC | RNS |
| 30/03/26 | 11:10:53 | 30 Mar 2026 | | Form 8.3 - Senior plc | RNS |
| 30/03/26 | 10:35:39 | 30 Mar 2026 | | Form 8.3 - Senior Plc | RNS |
| 30/03/26 | 10:32:34 | 30 Mar 2026 | | Form 8.5 (EPT/NON-RI) Senior Plc | RNS |
| 30/03/26 | 10:18:54 | 30 Mar 2026 | | Form 8.5 EPT/Non RI SENIOR PLC | RNS |
| 30/03/26 | 10:06:34 | 30 Mar 2026 | | Form 8.5 (EPT/RI) - Senior plc | RNS |
