OSB GROUP PLC                                        
ISIN: GB00BLDRH360
04 August 2025

LEI number: 213800ZBKL9BHSL2K459

OSB GROUP PLC (the “Company”)
Transaction in Own Shares

The Company announces that on 01 August 2025 it had purchased a total of 82,872 of its ordinary shares of £0.01 each (the "ordinary shares") on the London Stock Exchange, CBOE BXE and CBOE CXE, through the Company's broker Citigroup Global Markets Limited as detailed below. The repurchased ordinary shares will be cancelled.

  London Stock Exchange CBOE BXE CBOE CXE
Number of ordinary shares purchased 82,872 - -
Highest price paid (per ordinary share) 554.00p - -
Lowest price paid (per ordinary share) 544.50p - -
Volume weighted average price paid (per ordinary share) 548.99p - -

The purchases form part of the Company’s share buyback programme announced on 13 March 2025.

Following settlement of the above purchases and cancellation of the purchased ordinary shares, the Company's total number of ordinary shares in issue shall be 363,674,857 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 363,674,857.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as incorporated into and implemented under English law (including by virtue of the European Union (Withdrawal) Act 2018), the detailed breakdown of individual trades made by Citigroup Global Markets Limited on behalf of the Company as part of the share buyback programme is set out below.

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Schedule of Purchases – Individual Transactions

Issuer Name OSB GROUP PLC
LEI 213800ZBKL9BHSL2K459
ISIN GB00BLDRH360
Intermediary Name Citigroup Global Markets Limited
Intermediary Code SBILGB2L
Timezone GMT+1
Currency GBP


Transaction Date Trade Time Currency Volume Price Trading Venue Transaction ID
01-08-2025 16:27:29 GBp 89 549.00 XLON xeaNp6wVYL5
01-08-2025 16:27:11 GBp 288 549.00 XLON xeaNp6wVZXn
01-08-2025 16:22:42 GBp 1,487 549.00 XLON xeaNp6wVioA
01-08-2025 16:22:39 GBp 419 549.00 XLON xeaNp6wViwH
01-08-2025 16:20:01 GBp 508 549.50 XLON xeaNp6wVhxW
01-08-2025 16:20:01 GBp 700 549.50 XLON xeaNp6wVhxY
01-08-2025 16:20:01 GBp 2,083 549.50 XLON xeaNp6wVhuK
01-08-2025 16:20:01 GBp 695 549.50 XLON xeaNp6wVhuM
01-08-2025 16:20:01 GBp 390 549.50 XLON xeaNp6wVhuQ
01-08-2025 16:20:01 GBp 250 549.50 XLON xeaNp6wVhuS
01-08-2025 16:20:01 GBp 93 549.50 XLON xeaNp6wVhuU
01-08-2025 16:20:01 GBp 483 549.00 XLON xeaNp6wVhxe
01-08-2025 16:20:01 GBp 14 549.00 XLON xeaNp6wVhxg
01-08-2025 16:20:01 GBp 9 549.00 XLON xeaNp6wVhxi
01-08-2025 16:20:01 GBp 148 549.00 XLON xeaNp6wVhxk
01-08-2025 16:20:01 GBp 833 549.00 XLON xeaNp6wVhxm
01-08-2025 16:17:00 GBp 651 549.00 XLON xeaNp6wVMU1
01-08-2025 16:17:00 GBp 1,111 549.50 XLON xeaNp6wVMUT
01-08-2025 16:17:00 GBp 382 549.50 XLON xeaNp6wVMUV
01-08-2025 16:17:00 GBp 2,100 549.50 XLON xeaNp6wVMPX
01-08-2025 16:17:00 GBp 6,300 549.50 XLON xeaNp6wVMPZ
01-08-2025 16:16:59 GBp 1,539 549.50 XLON xeaNp6wVMRj
01-08-2025 16:16:59 GBp 718 549.50 XLON xeaNp6wVMRl
01-08-2025 16:16:59 GBp 373 549.50 XLON xeaNp6wVMRz
01-08-2025 16:16:59 GBp 1,485 549.50 XLON xeaNp6wVMRH
01-08-2025 16:16:00 GBp 1,439 550.00 XLON xeaNp6wVNVa
01-08-2025 16:11:38 GBp 185 550.00 XLON xeaNp6wVGg7
01-08-2025 16:10:08 GBp 725 549.50 XLON xeaNp6wVHK2
01-08-2025 16:00:10 GBp 524 549.00 XLON xeaNp6wV4kB
01-08-2025 15:58:52 GBp 926 549.00 XLON xeaNp6wV2cJ
01-08-2025 15:49:00 GBp 360 549.00 XLON xeaNp6wV9Ok
01-08-2025 15:49:00 GBp 100 549.00 XLON xeaNp6wV9Om
01-08-2025 15:49:00 GBp 21 549.00 XLON xeaNp6wV9Oo
01-08-2025 15:47:54 GBp 515 549.50 XLON xeaNp6wOtxk
01-08-2025 15:41:10 GBp 354 548.50 XLON xeaNp6wO$G5
01-08-2025 15:41:07 GBp 507 549.00 XLON xeaNp6wO$Rp
01-08-2025 15:41:07 GBp 1,148 549.00 XLON xeaNp6wO$Rv
01-08-2025 15:40:13 GBp 252 549.50 XLON xeaNp6wOzbD
01-08-2025 15:38:51 GBp 12 549.50 XLON xeaNp6wOwJ9
01-08-2025 15:38:51 GBp 2 549.50 XLON xeaNp6wOwJB
01-08-2025 15:38:51 GBp 35 549.50 XLON xeaNp6wOwJD
01-08-2025 15:37:11 GBp 252 549.50 XLON xeaNp6wOvqb
01-08-2025 15:37:11 GBp 1,233 549.50 XLON xeaNp6wOvqh
01-08-2025 15:37:02 GBp 512 549.00 XLON xeaNp6wOv3W
01-08-2025 15:29:23 GBp 595 549.00 XLON xeaNp6wOiiJ
01-08-2025 15:27:52 GBp 595 549.50 XLON xeaNp6wOga0
01-08-2025 15:07:58 GBp 417 545.00 XLON xeaNp6wOEqt
01-08-2025 15:07:00 GBp 468 545.50 XLON xeaNp6wOCaT
01-08-2025 15:07:00 GBp 298 545.50 XLON xeaNp6wOCaV
01-08-2025 15:05:55 GBp 266 546.00 XLON xeaNp6wOD0H
01-08-2025 15:05:55 GBp 609 546.00 XLON xeaNp6wOD0J
01-08-2025 15:05:48 GBp 66 546.00 XLON xeaNp6wODLb
01-08-2025 15:05:48 GBp 38 546.00 XLON xeaNp6wODLv
01-08-2025 15:05:48 GBp 49 546.00 XLON xeaNp6wODLx
01-08-2025 15:00:30 GBp 876 544.50 XLON xeaNp6wPoCb
01-08-2025 14:54:37 GBp 364 544.50 XLON xeaNp6wPxQH
01-08-2025 14:52:47 GBp 79 545.00 XLON xeaNp6wPcVA
01-08-2025 14:52:47 GBp 374 545.00 XLON xeaNp6wPcVC
01-08-2025 14:52:46 GBp 872 545.00 XLON xeaNp6wPcVR
01-08-2025 14:49:22 GBp 911 544.50 XLON xeaNp6wPWr9
01-08-2025 14:43:33 GBp 534 544.50 XLON xeaNp6wPfM7
01-08-2025 14:39:48 GBp 368 545.00 XLON xeaNp6wPJjt
01-08-2025 14:39:47 GBp 746 545.50 XLON xeaNp6wPJli
01-08-2025 14:34:08 GBp 376 546.00 XLON xeaNp6wPRvO
01-08-2025 14:34:01 GBp 56 546.00 XLON xeaNp6wPRAY
01-08-2025 14:33:01 GBp 407 546.00 XLON xeaNp6wPPdX
01-08-2025 14:33:01 GBp 10 546.00 XLON xeaNp6wPPdY
01-08-2025 14:32:11 GBp 791 546.50 XLON xeaNp6wP6r@
01-08-2025 14:31:09 GBp 416 546.50 XLON xeaNp6wP4lG
01-08-2025 14:30:52 GBp 394 547.00 XLON xeaNp6wP4Gt
01-08-2025 14:30:43 GBp 413 547.50 XLON xeaNp6wP5cv
01-08-2025 14:30:43 GBp 468 547.50 XLON xeaNp6wP5cx
01-08-2025 14:30:43 GBp 105 547.50 XLON xeaNp6wP5cz
01-08-2025 14:30:19 GBp 595 547.00 XLON xeaNp6wP5KQ
01-08-2025 14:30:18 GBp 231 547.00 XLON xeaNp6wP5Mv
01-08-2025 14:30:18 GBp 421 547.00 XLON xeaNp6wP5Mx
01-08-2025 14:13:00 GBp 154 547.00 XLON xeaNp6wQpHc
01-08-2025 14:13:00 GBp 154 547.00 XLON xeaNp6wQpHe
01-08-2025 14:12:36 GBp 38 547.00 XLON xeaNp6wQmgn
01-08-2025 14:10:48 GBp 400 547.50 XLON xeaNp6wQ@Yo
01-08-2025 14:10:48 GBp 195 547.50 XLON xeaNp6wQ@Yq
01-08-2025 13:55:30 GBp 416 547.00 XLON xeaNp6wQWSz
01-08-2025 13:55:11 GBp 34 548.00 XLON xeaNp6wQXjc
01-08-2025 13:55:11 GBp 142 548.00 XLON xeaNp6wQXje
01-08-2025 13:55:11 GBp 34 548.00 XLON xeaNp6wQXjg
01-08-2025 13:55:11 GBp 700 548.00 XLON xeaNp6wQXji
01-08-2025 13:55:11 GBp 595 547.50 XLON xeaNp6wQXjp
01-08-2025 13:54:37 GBp 1,268 548.00 XLON xeaNp6wQXBp
01-08-2025 13:54:37 GBp 194 548.00 XLON xeaNp6wQXBr
01-08-2025 13:35:11 GBp 590 545.50 XLON xeaNp6wQSGQ
01-08-2025 13:35:11 GBp 789 545.50 XLON xeaNp6wQSJa
01-08-2025 13:30:21 GBp 607 546.00 XLON xeaNp6wQ6Kr
01-08-2025 13:30:03 GBp 954 546.00 XLON xeaNp6wQ7ug
01-08-2025 13:22:54 GBp 623 546.50 XLON xeaNp6wQ1bB
01-08-2025 13:16:01 GBp 293 546.50 XLON xeaNp6wQAoL
01-08-2025 13:16:01 GBp 316 546.50 XLON xeaNp6wQAoN
01-08-2025 13:14:13 GBp 151 547.00 XLON xeaNp6wQB8h
01-08-2025 13:14:13 GBp 835 547.00 XLON xeaNp6wQB8j
01-08-2025 13:00:51 GBp 277 548.00 XLON xeaNp6wRnFn
01-08-2025 13:00:51 GBp 267 548.00 XLON xeaNp6wRnFp
01-08-2025 13:00:51 GBp 473 548.00 XLON xeaNp6wRnFr
01-08-2025 13:00:51 GBp 231 548.00 XLON xeaNp6wRnFt
01-08-2025 13:00:51 GBp 420 548.00 XLON xeaNp6wRnFv
01-08-2025 13:00:51 GBp 246 548.00 XLON xeaNp6wRnFx
01-08-2025 13:00:51 GBp 454 548.00 XLON xeaNp6wRnF1
01-08-2025 13:00:51 GBp 467 548.00 XLON xeaNp6wRnF3
01-08-2025 13:00:51 GBp 236 547.50 XLON xeaNp6wRnF6
01-08-2025 13:00:51 GBp 359 547.50 XLON xeaNp6wRnF8
01-08-2025 13:00:30 GBp 595 548.00 XLON xeaNp6wR@c0
01-08-2025 12:59:56 GBp 296 548.00 XLON xeaNp6wR@Db
01-08-2025 12:59:56 GBp 299 548.00 XLON xeaNp6wR@Dd
01-08-2025 12:36:52 GBp 595 548.00 XLON xeaNp6wRlLh
01-08-2025 12:36:52 GBp 595 548.00 XLON xeaNp6wRlLk
01-08-2025 11:38:56 GBp 548 547.50 XLON xeaNp6wK$n8
01-08-2025 11:34:53 GBp 275 547.50 XLON xeaNp6wKxqW
01-08-2025 11:28:00 GBp 543 548.00 XLON xeaNp6wKb6b
01-08-2025 11:27:00 GBp 636 548.50 XLON xeaNp6wKYmm
01-08-2025 11:23:51 GBp 120 548.50 XLON xeaNp6wKXZ9
01-08-2025 11:20:38 GBp 157 548.50 XLON xeaNp6wKluI
01-08-2025 11:19:01 GBp 967 549.00 XLON xeaNp6wKi0V
01-08-2025 11:07:41 GBp 236 548.50 XLON xeaNp6wKI3g
01-08-2025 10:59:56 GBp 320 549.50 XLON xeaNp6wKTQd
01-08-2025 10:54:57 GBp 69 550.00 XLON xeaNp6wK7vB
01-08-2025 10:54:56 GBp 557 550.50 XLON xeaNp6wK7xu
01-08-2025 10:53:03 GBp 599 550.50 XLON xeaNp6wK5EG
01-08-2025 10:53:03 GBp 216 550.50 XLON xeaNp6wK5EI
01-08-2025 10:53:03 GBp 135 550.50 XLON xeaNp6wK5EK
01-08-2025 10:53:03 GBp 495 550.50 XLON xeaNp6wK5EM
01-08-2025 10:53:03 GBp 595 550.00 XLON xeaNp6wK5ET
01-08-2025 10:53:03 GBp 595 550.50 XLON xeaNp6wK59Z
01-08-2025 10:24:15 GBp 667 550.00 XLON xeaNp6wLc9l
01-08-2025 10:17:49 GBp 415 549.50 XLON xeaNp6wLW6a
01-08-2025 10:05:48 GBp 24 549.00 XLON xeaNp6wLKTP
01-08-2025 10:05:07 GBp 383 549.50 XLON xeaNp6wLLC5
01-08-2025 10:04:46 GBp 461 550.00 XLON xeaNp6wLIdm
01-08-2025 09:59:31 GBp 244 550.50 XLON xeaNp6wLVr@
01-08-2025 09:59:31 GBp 127 550.50 XLON xeaNp6wLVr0
01-08-2025 09:53:01 GBp 400 551.00 XLON xeaNp6wL6gk
01-08-2025 09:52:09 GBp 635 551.00 XLON xeaNp6wL7ez
01-08-2025 09:42:46 GBp 331 551.50 XLON xeaNp6wLA8W
01-08-2025 09:39:05 GBp 543 551.50 XLON xeaNp6wMsgZ
01-08-2025 09:39:05 GBp 545 551.50 XLON xeaNp6wMsgf
01-08-2025 09:30:07 GBp 401 552.00 XLON xeaNp6wM$12
01-08-2025 09:27:44 GBp 116 552.00 XLON xeaNp6wMzHS
01-08-2025 09:26:59 GBp 379 552.50 XLON xeaNp6wMw9O
01-08-2025 09:26:59 GBp 872 552.50 XLON xeaNp6wMw8w
01-08-2025 09:11:00 GBp 282 553.00 XLON xeaNp6wMMZL
01-08-2025 09:11:00 GBp 168 553.00 XLON xeaNp6wMMYx
01-08-2025 09:10:41 GBp 523 553.50 XLON xeaNp6wMMme
01-08-2025 09:06:33 GBp 665 554.00 XLON xeaNp6wMGad
01-08-2025 09:00:11 GBp 441 553.00 XLON xeaNp6wMOCt
01-08-2025 08:54:58 GBp 471 552.50 XLON xeaNp6wM2aP
01-08-2025 08:46:10 GBp 109 553.00 XLON xeaNp6wMDKO
01-08-2025 08:46:10 GBp 16 553.00 XLON xeaNp6wMDKQ
01-08-2025 08:46:10 GBp 17 553.00 XLON xeaNp6wMDKS
01-08-2025 08:46:10 GBp 8 553.00 XLON xeaNp6wMDKU
01-08-2025 08:46:10 GBp 264 553.00 XLON xeaNp6wMDNb
01-08-2025 08:46:10 GBp 89 553.00 XLON xeaNp6wMDNZ
01-08-2025 08:45:35 GBp 718 553.50 XLON xeaNp6wMAww
01-08-2025 08:38:33 GBp 654 554.00 XLON xeaNp6wNtRy
01-08-2025 08:30:00 GBp 493 552.00 XLON xeaNp6wNyhc
01-08-2025 08:30:00 GBp 705 552.50 XLON xeaNp6wNyhe
01-08-2025 08:18:44 GBp 560 553.00 XLON xeaNp6wNYTA
01-08-2025 08:18:43 GBp 255 553.00 XLON xeaNp6wNYSD
01-08-2025 08:18:43 GBp 389 553.00 XLON xeaNp6wNYSF
01-08-2025 08:05:20 GBp 300 553.00 XLON xeaNp6wNHju
01-08-2025 08:05:20 GBp 432 553.50 XLON xeaNp6wNHjw
01-08-2025 08:05:20 GBp 957 554.00 XLON xeaNp6wNHj5