OSB GROUP PLC                                        
ISIN: GB00BLDRH360
11 August 2025

LEI number: 213800ZBKL9BHSL2K459

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

The Company announces that on 08 August 2025 it had purchased a total of 62,000 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 62,000 - -
Highest price paid (per ordinary share) 560.50p - -
Lowest price paid (per ordinary share) 554.50p - -
Volume weighted average price paid (per ordinary share) 556.65p - -

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 363,407,926 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 363,407,926.

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
08-08-2025 16:28:40 GBp 6 556.00 XLON xHaNq3Bswh2
08-08-2025 16:26:53 GBp 441 555.50 XLON xHaNq3BswJ@
08-08-2025 16:26:25 GBp 210 556.00 XLON xHaNq3Bsxkc
08-08-2025 16:25:11 GBp 1,841 556.00 XLON xHaNq3BsxK9
08-08-2025 16:25:11 GBp 654 556.00 XLON xHaNq3BsxKB
08-08-2025 16:21:31 GBp 101 556.00 XLON xHaNq3BsuO2
08-08-2025 16:21:31 GBp 150 556.00 XLON xHaNq3BsuO4
08-08-2025 16:20:32 GBp 250 556.00 XLON xHaNq3Bsvhf
08-08-2025 16:20:32 GBp 239 556.00 XLON xHaNq3Bsvhh
08-08-2025 16:18:52 GBp 631 555.50 XLON xHaNq3BsvH8
08-08-2025 16:18:52 GBp 747 555.50 XLON xHaNq3BsvHE
08-08-2025 16:09:33 GBp 1,554 554.50 XLON xHaNq3BsbNo
08-08-2025 16:08:44 GBp 8 555.00 XLON xHaNq3BsYXA
08-08-2025 16:08:44 GBp 242 555.00 XLON xHaNq3BsYXC
08-08-2025 16:07:45 GBp 223 555.00 XLON xHaNq3BsYgn
08-08-2025 16:06:46 GBp 211 555.00 XLON xHaNq3BsY4B
08-08-2025 16:04:01 GBp 356 554.50 XLON xHaNq3BsZRg
08-08-2025 16:01:41 GBp 271 555.00 XLON xHaNq3BsWC@
08-08-2025 16:01:41 GBp 635 555.00 XLON xHaNq3BsWC0
08-08-2025 16:01:41 GBp 523 555.00 XLON xHaNq3BsWC4
08-08-2025 16:01:41 GBp 1,805 555.00 XLON xHaNq3BsWCw
08-08-2025 16:01:41 GBp 400 555.00 XLON xHaNq3BsWCy
08-08-2025 15:57:22 GBp 783 554.50 XLON xHaNq3BslZ@
08-08-2025 15:57:22 GBp 283 554.50 XLON xHaNq3BslZy
08-08-2025 15:45:02 GBp 380 554.50 XLON xHaNq3Bsh0k
08-08-2025 15:43:25 GBp 117 555.00 XLON xHaNq3Bsfi0
08-08-2025 15:43:25 GBp 679 555.00 XLON xHaNq3Bsfi2
08-08-2025 15:36:00 GBp 357 555.00 XLON xHaNq3BsK7P
08-08-2025 15:35:31 GBp 217 556.00 XLON xHaNq3BsKB@
08-08-2025 15:35:31 GBp 324 556.00 XLON xHaNq3BsKB0
08-08-2025 15:35:31 GBp 510 556.00 XLON xHaNq3BsKB2
08-08-2025 15:35:31 GBp 324 556.00 XLON xHaNq3BsKB4
08-08-2025 15:35:31 GBp 784 556.00 XLON xHaNq3BsKBu
08-08-2025 15:35:31 GBp 140 556.00 XLON xHaNq3BsKBw
08-08-2025 15:35:31 GBp 35 556.00 XLON xHaNq3BsKBy
08-08-2025 15:35:31 GBp 817 555.50 XLON xHaNq3BsKBA
08-08-2025 15:34:19 GBp 382 556.00 XLON xHaNq3BsLeC
08-08-2025 15:34:19 GBp 877 556.00 XLON xHaNq3BsLeL
08-08-2025 15:10:56 GBp 344 556.50 XLON xHaNq3BsQ1j
08-08-2025 15:10:56 GBp 524 556.50 XLON xHaNq3BsQ1n
08-08-2025 15:10:56 GBp 6 556.00 XLON xHaNq3BsQ1s
08-08-2025 15:10:56 GBp 680 556.00 XLON xHaNq3BsQ1u
08-08-2025 14:59:34 GBp 440 556.00 XLON xHaNq3Bs6Fa
08-08-2025 14:59:34 GBp 266 556.00 XLON xHaNq3Bs6Fc
08-08-2025 14:59:34 GBp 57 556.00 XLON xHaNq3Bs6Fe
08-08-2025 14:59:34 GBp 554 555.50 XLON xHaNq3Bs6Fm
08-08-2025 14:52:02 GBp 524 556.00 XLON xHaNq3Bs5uk
08-08-2025 14:52:02 GBp 22 556.50 XLON xHaNq3Bs5uv
08-08-2025 14:52:02 GBp 499 556.50 XLON xHaNq3Bs5ux
08-08-2025 14:52:02 GBp 67 556.50 XLON xHaNq3Bs5uz
08-08-2025 14:52:02 GBp 13 556.50 XLON xHaNq3Bs5u$
08-08-2025 14:46:47 GBp 505 556.00 XLON xHaNq3Bs2PL
08-08-2025 14:46:01 GBp 2,031 556.50 XLON xHaNq3Bs3YZ
08-08-2025 14:46:01 GBp 67 556.50 XLON xHaNq3Bs3Yb
08-08-2025 14:46:01 GBp 78 556.50 XLON xHaNq3Bs3Yd
08-08-2025 14:46:01 GBp 2 556.50 XLON xHaNq3Bs3Yf
08-08-2025 14:46:01 GBp 96 556.50 XLON xHaNq3Bs3Yh
08-08-2025 14:46:01 GBp 25 556.50 XLON xHaNq3Bs3Yj
08-08-2025 14:46:01 GBp 342 556.50 XLON xHaNq3Bs3Yl
08-08-2025 14:31:01 GBp 772 556.00 XLON xHaNq3BsFHR
08-08-2025 14:25:16 GBp 213 556.50 XLON xHaNq3BsD8Z
08-08-2025 14:25:16 GBp 79 556.50 XLON xHaNq3BsD8b
08-08-2025 14:25:16 GBp 700 556.00 XLON xHaNq3BsD8d
08-08-2025 14:25:16 GBp 499 556.00 XLON xHaNq3BsD8j
08-08-2025 14:19:35 GBp 174 557.00 XLON xHaNq3BsBl@
08-08-2025 14:19:35 GBp 150 557.00 XLON xHaNq3BsBl0
08-08-2025 14:17:00 GBp 330 556.50 XLON xHaNq3BsBPy
08-08-2025 14:14:56 GBp 342 556.00 XLON xHaNq3Bs86K
08-08-2025 14:14:56 GBp 561 556.00 XLON xHaNq3Bs86V
08-08-2025 14:06:27 GBp 113 556.50 XLON xHaNq3Btsni
08-08-2025 14:06:27 GBp 432 556.50 XLON xHaNq3Btsnk
08-08-2025 14:06:27 GBp 22 556.50 XLON xHaNq3Btsno
08-08-2025 14:03:20 GBp 375 556.50 XLON xHaNq3BttiL
08-08-2025 14:03:20 GBp 230 556.50 XLON xHaNq3BttiR
08-08-2025 14:03:20 GBp 315 556.50 XLON xHaNq3BttiT
08-08-2025 13:44:19 GBp 444 557.00 XLON xHaNq3Btp7j
08-08-2025 13:41:57 GBp 192 557.50 XLON xHaNq3Btmc1
08-08-2025 13:41:57 GBp 573 557.50 XLON xHaNq3Btmc3
08-08-2025 13:40:17 GBp 322 558.50 XLON xHaNq3Btmtr
08-08-2025 13:40:17 GBp 464 559.00 XLON xHaNq3Btmtt
08-08-2025 13:29:40 GBp 404 558.50 XLON xHaNq3Bt@mT
08-08-2025 13:29:40 GBp 700 558.50 XLON xHaNq3Bt@mV
08-08-2025 13:29:40 GBp 463 558.00 XLON xHaNq3Bt@pb
08-08-2025 13:19:35 GBp 196 558.50 XLON xHaNq3BtyYb
08-08-2025 13:19:35 GBp 463 558.50 XLON xHaNq3BtyYe
08-08-2025 13:09:46 GBp 281 558.00 XLON xHaNq3Btz3X
08-08-2025 13:05:50 GBp 355 558.00 XLON xHaNq3Btwgz
08-08-2025 13:02:53 GBp 205 558.00 XLON xHaNq3BtwL5
08-08-2025 12:59:56 GBp 359 558.00 XLON xHaNq3Btxe6
08-08-2025 12:56:59 GBp 229 558.00 XLON xHaNq3BtxFM
08-08-2025 12:53:03 GBp 362 558.00 XLON xHaNq3Bturx
08-08-2025 12:39:08 GBp 244 557.50 XLON xHaNq3Btv9E
08-08-2025 12:39:06 GBp 250 557.50 XLON xHaNq3Btv9U
08-08-2025 12:36:45 GBp 320 557.50 XLON xHaNq3BtvP$
08-08-2025 12:29:33 GBp 661 557.50 XLON xHaNq3BtcFl
08-08-2025 12:22:48 GBp 182 557.50 XLON xHaNq3BtdqG
08-08-2025 12:22:48 GBp 481 557.50 XLON xHaNq3BtdqI
08-08-2025 12:14:57 GBp 151 557.50 XLON xHaNq3BtaWj
08-08-2025 12:14:57 GBp 501 557.50 XLON xHaNq3BtaWl
08-08-2025 12:04:27 GBp 505 557.50 XLON xHaNq3BtbhI
08-08-2025 12:02:03 GBp 271 557.50 XLON xHaNq3Btb6R
08-08-2025 11:57:56 GBp 223 558.00 XLON xHaNq3BtYcz
08-08-2025 11:57:56 GBp 712 557.50 XLON xHaNq3BtYc3
08-08-2025 11:57:51 GBp 463 558.00 XLON xHaNq3BtYXZ
08-08-2025 11:50:07 GBp 199 558.00 XLON xHaNq3BtYSy
08-08-2025 11:47:10 GBp 298 558.00 XLON xHaNq3BtZem
08-08-2025 11:35:30 GBp 732 557.50 XLON xHaNq3BtWn3
08-08-2025 11:21:14 GBp 304 558.00 XLON xHaNq3BtXM2
08-08-2025 11:21:14 GBp 484 558.00 XLON xHaNq3BtXMB
08-08-2025 11:14:38 GBp 418 558.00 XLON xHaNq3Btkxx
08-08-2025 11:07:58 GBp 379 558.50 XLON xHaNq3Btlef
08-08-2025 11:05:01 GBp 611 558.50 XLON xHaNq3Btl3c
08-08-2025 11:02:06 GBp 783 559.00 XLON xHaNq3Btigm
08-08-2025 10:59:46 GBp 53 558.50 XLON xHaNq3BtiPa
08-08-2025 10:59:46 GBp 143 558.50 XLON xHaNq3BtiPc
08-08-2025 10:59:46 GBp 974 558.50 XLON xHaNq3BtiPJ
08-08-2025 10:59:46 GBp 226 558.50 XLON xHaNq3BtiOu
08-08-2025 10:59:46 GBp 224 558.50 XLON xHaNq3BtiO5
08-08-2025 10:59:46 GBp 1,592 558.50 XLON xHaNq3BtiOF
08-08-2025 10:14:28 GBp 320 556.50 XLON xHaNq3BtNB1
08-08-2025 10:14:28 GBp 43 556.50 XLON xHaNq3BtNB5
08-08-2025 10:14:28 GBp 200 556.50 XLON xHaNq3BtNB9
08-08-2025 10:14:28 GBp 886 556.50 XLON xHaNq3BtNBD
08-08-2025 10:13:18 GBp 463 556.00 XLON xHaNq3BtNUd
08-08-2025 09:56:00 GBp 145 556.00 XLON xHaNq3BtJaQ
08-08-2025 09:56:00 GBp 320 556.00 XLON xHaNq3BtJaU
08-08-2025 09:55:38 GBp 494 556.00 XLON xHaNq3BtJWy
08-08-2025 09:42:24 GBp 3,400 556.00 XLON xHaNq3BtGLg
08-08-2025 09:38:38 GBp 347 555.50 XLON xHaNq3BtHqM
08-08-2025 09:38:32 GBp 21 555.50 XLON xHaNq3BtHtt
08-08-2025 09:38:30 GBp 44 556.00 XLON xHaNq3BtHsX
08-08-2025 09:38:30 GBp 279 556.00 XLON xHaNq3BtHsZ
08-08-2025 09:38:29 GBp 390 556.50 XLON xHaNq3BtHsg
08-08-2025 09:38:29 GBp 463 556.50 XLON xHaNq3BtHsm
08-08-2025 09:36:05 GBp 13 556.50 XLON xHaNq3BtHM1
08-08-2025 09:31:45 GBp 3 556.50 XLON xHaNq3BtUvm
08-08-2025 09:07:02 GBp 252 556.50 XLON xHaNq3BtQBH
08-08-2025 09:04:00 GBp 463 557.00 XLON xHaNq3BtRsl
08-08-2025 09:03:19 GBp 463 557.50 XLON xHaNq3BtR@p
08-08-2025 08:29:53 GBp 400 558.00 XLON xHaNq3Bt4Ck
08-08-2025 08:29:53 GBp 463 557.50 XLON xHaNq3Bt4Cq
08-08-2025 08:18:35 GBp 581 558.00 XLON xHaNq3Bt5Ro
08-08-2025 08:11:10 GBp 308 558.00 XLON xHaNq3Bt33W
08-08-2025 08:11:10 GBp 16 558.00 XLON xHaNq3Bt33Y
08-08-2025 08:09:19 GBp 262 557.50 XLON xHaNq3Bt0bh
08-08-2025 08:06:15 GBp 470 558.00 XLON xHaNq3Bt001
08-08-2025 08:03:48 GBp 545 558.50 XLON xHaNq3Bt1W5
08-08-2025 08:02:58 GBp 144 560.50 XLON xHaNq3Bt1gQ
08-08-2025 08:02:58 GBp 450 560.50 XLON xHaNq3Bt1gS