| 22/05/26 | 17:14:00 | 22 May 2026 | | Transaction in Own Shares |
| 15/05/26 | 17:24:55 | 15 May 2026 | | Transaction in Own Shares |
| 08/05/26 | 17:25:59 | 8 May 2026 | | Transaction in Own Shares |
| 30/04/26 | 17:37:34 | 30 Apr 2026 | | Transactions in own shares and Total Voting Rights |
| 24/04/26 | 17:17:09 | 24 Apr 2026 | | Transactions in Own Shares |
| 22/04/26 | 16:00:00 | 22 Apr 2026 | | Result of AGM |
| 17/04/26 | 17:34:31 | 17 Apr 2026 | | Transactions in Own Shares |
| 10/04/26 | 17:39:33 | 10 Apr 2026 | | Transactions in Own Shares |
| 10/04/26 | 15:46:24 | 10 Apr 2026 | | Director/PDMR Shareholding |
| 07/04/26 | 17:35:00 | 7 Apr 2026 | | Director/PDMR Shareholding |
| 02/04/26 | 17:25:11 | 2 Apr 2026 | | Transactions in Own Shares |
| 31/03/26 | 17:21:20 | 31 Mar 2026 | | Transactions in Own Shares and Total Voting Rights |
| 27/03/26 | 18:03:58 | 27 Mar 2026 | | Transactions in Own Shares |
| 27/03/26 | 15:03:09 | 27 Mar 2026 | | Director/PDMR Shareholding |
| 20/03/26 | 17:50:33 | 20 Mar 2026 | | Transaction in Own Shares |
| 18/03/26 | 17:15:00 | 18 Mar 2026 | | Holding(s) in Company |
| 18/03/26 | 11:00:00 | 18 Mar 2026 | | Publication of the 2025 ARA and 2026 Notice of AGM |
| 13/03/26 | 17:25:54 | 13 Mar 2026 | | Transaction in Own Shares |
| 11/03/26 | 17:46:55 | 11 Mar 2026 | | Transaction in Own Shares and Total Voting Rights |
| 05/03/26 | 07:02:00 | 5 Mar 2026 | | Share Repurchase Programme |
| 05/03/26 | 07:00:09 | 5 Mar 2026 | | 2025 full year results |
| 19/02/26 | 17:45:01 | 19 Feb 2026 | | Holding(s) in Company |
| 09/02/26 | 17:30:00 | 9 Feb 2026 | | Holding(s) in Company |
| 05/02/26 | 12:30:00 | 5 Feb 2026 | | Holding(s) in Company |
| 02/02/26 | 17:45:00 | 2 Feb 2026 | | Total Voting Rights and Capital |
| 29/01/26 | 17:30:01 | 29 Jan 2026 | | Holding(s) in Company |
| 05/01/26 | 17:30:00 | 5 Jan 2026 | | Holding(s) in Company |
| 31/12/25 | 09:00:00 | 31 Dec 2025 | | Total Voting Rights and Capital |
| 23/12/25 | 16:00:01 | 23 Dec 2025 | | Holding(s) in Company |
| 19/12/25 | 07:30:00 | 19 Dec 2025 | | Cancellation of Treasury Shares |
| 17/12/25 | 07:01:01 | 17 Dec 2025 | | CFO Retirement |
| 17/12/25 | 07:00:08 | 17 Dec 2025 | | Serco pre-close trading update |
| 04/12/25 | 07:00:05 | 4 Dec 2025 | | Transaction in Own Shares |
| 03/12/25 | 16:30:00 | 3 Dec 2025 | | Block listing Interim Review |
| 03/12/25 | 07:00:02 | 3 Dec 2025 | | Transaction in Own Shares |
| 02/12/25 | 07:00:03 | 2 Dec 2025 | | Transaction in Own Shares |
| 01/12/25 | 07:00:05 | 1 Dec 2025 | | Serco awarded UK prison contract |
| 28/11/25 | 18:20:00 | 28 Nov 2025 | | Transactions in own shares and Total Voting Rights |
| 28/11/25 | 07:00:02 | 28 Nov 2025 | | Transaction in Own Shares |
| 27/11/25 | 07:00:05 | 27 Nov 2025 | | Transaction in Own Shares |
| 26/11/25 | 07:00:03 | 26 Nov 2025 | | Transaction in Own Shares |
| 25/11/25 | 07:00:05 | 25 Nov 2025 | | Transaction in Own Shares |
| 24/11/25 | 07:00:07 | 24 Nov 2025 | | Transaction in Own Shares |
| 21/11/25 | 07:00:06 | 21 Nov 2025 | | Transaction in Own Shares |
| 20/11/25 | 07:00:03 | 20 Nov 2025 | | Transaction in Own Shares |
| 19/11/25 | 07:00:03 | 19 Nov 2025 | | Transaction in Own Shares |
| 18/11/25 | 07:00:03 | 18 Nov 2025 | | Transaction in Own Shares |
| 17/11/25 | 07:00:06 | 17 Nov 2025 | | Transaction in Own Shares |
| 14/11/25 | 07:00:02 | 14 Nov 2025 | | Transaction in Own Shares |
| 13/11/25 | 07:00:05 | 13 Nov 2025 | | Transaction in Own Shares |
