Osb Group PlcLSE: OSB

OSB GROUP PLC - Transaction in Own Shares and Total Voting Rights

· Issued by Osb Group Plc

OSB GROUP PLC                                        
ISIN: GB00BLDRH360
02 February 2026

LEI number: 213800ZBKL9BHSL2K459

OSB GROUP PLC (the “Company”)
Transaction in Own Shares and Total Voting Rights

The Company announces that on 30 January 2026 it had purchased a total of 69,083 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

69,083

-

-

Highest price paid (per ordinary share)

615.00p

-

-

Lowest price paid (per ordinary share)

603.50p

-

-

Volume weighted average price paid (per ordinary share)

611.04p

-

-

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 354,505,347 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 354,505,347 and may be used by shareholders (and others with notification obligations) as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change in their interest in, the Company under the Financial Conduct Authority’s Disclosure Guidance and Transparency Rules.

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

30-01-2026

16:27:15

GBp

122

609.50

XLON

xeaMVQYgyq7

30-01-2026

16:25:00

GBp

455

609.50

XLON

xeaMVQYguaq

30-01-2026

16:24:43

GBp

256

610.00

XLON

xeaMVQYgup@

30-01-2026

16:24:43

GBp

270

610.00

XLON

xeaMVQYgup0

30-01-2026

16:24:43

GBp

227

610.00

XLON

xeaMVQYgup2

30-01-2026

16:24:43

GBp

779

610.00

XLON

xeaMVQYgup4

30-01-2026

16:24:43

GBp

392

610.00

XLON

xeaMVQYgup6

30-01-2026

16:23:40

GBp

457

609.50

XLON

xeaMVQYgvF7

30-01-2026

16:22:10

GBp

40

609.50

XLON

xeaMVQYgd9E

30-01-2026

16:22:10

GBp

751

609.50

XLON

xeaMVQYgd9K

30-01-2026

16:21:33

GBp

188

609.50

XLON

xeaMVQYgaCn

30-01-2026

16:19:40

GBp

770

610.00

XLON

xeaMVQYgZ6p

30-01-2026

16:19:39

GBp

883

610.00

XLON

xeaMVQYgZ6u

30-01-2026

16:16:58

GBp

725

610.50

XLON

xeaMVQYglDC

30-01-2026

16:15:51

GBp

246

610.50

XLON

xeaMVQYgjya

30-01-2026

16:14:45

GBp

1,566

611.00

XLON

xeaMVQYghrd

30-01-2026

16:14:45

GBp

424

611.00

XLON

xeaMVQYghrf

30-01-2026

16:14:45

GBp

273

611.00

XLON

xeaMVQYghrh

30-01-2026

16:14:45

GBp

204

611.00

XLON

xeaMVQYghrj

30-01-2026

16:14:45

GBp

550

611.00

XLON

xeaMVQYghrl

30-01-2026

16:14:45

GBp

460

611.00

XLON

xeaMVQYghrn

30-01-2026

16:14:45

GBp

287

611.00

XLON

xeaMVQYghrp

30-01-2026

16:14:45

GBp

257

611.00

XLON

xeaMVQYghrv

30-01-2026

16:10:36

GBp

253

610.50

XLON

xeaMVQYgLqf

30-01-2026

16:10:29

GBp

800

610.50

XLON

xeaMVQYgLwn

30-01-2026

16:06:21

GBp

788

610.50

XLON

xeaMVQYgVjb

30-01-2026

16:00:41

GBp

129

610.50

XLON

xeaMVQYg62@

30-01-2026

16:00:41

GBp

317

610.50

XLON

xeaMVQYg620

30-01-2026

15:39:21

GBp

380

611.00

XLON

xeaMVQYhYXE

30-01-2026

15:32:28

GBp

58

610.50

XLON

xeaMVQYhe2t

30-01-2026

15:32:28

GBp

218

610.50

XLON

xeaMVQYhe2v

30-01-2026

15:29:33

GBp

680

610.50

XLON

xeaMVQYhL1J

30-01-2026

15:29:33

GBp

233

610.50

XLON

xeaMVQYhL1L

30-01-2026

15:29:33

GBp

64

610.50

XLON

xeaMVQYhL1N

30-01-2026

15:29:33

GBp

515

610.50

XLON

xeaMVQYhL1P

30-01-2026

15:29:32

GBp

380

610.00

XLON

xeaMVQYhL0Y

30-01-2026

15:21:03

GBp

546

610.00

XLON

xeaMVQYh7lh

30-01-2026

15:15:14

GBp

525

610.00

XLON

xeaMVQYhCmc

30-01-2026

15:11:02

GBp

273

610.50

XLON

xeaMVQYassY

30-01-2026

15:10:42

GBp

583

611.00

XLON

xeaMVQYasL4

30-01-2026

15:08:42

GBp

400

611.00

XLON

xeaMVQYar0Q

30-01-2026

15:06:09

GBp

203

610.50

XLON

xeaMVQYanoH

30-01-2026

15:04:17

GBp

199

611.00

XLON

xeaMVQYayxt

30-01-2026

14:58:47

GBp

533

610.50

XLON

xeaMVQYabE@

30-01-2026

14:53:17

GBp

384

610.50

XLON

xeaMVQYagVR

30-01-2026

14:52:29

GBp

391

611.00

XLON

xeaMVQYaetz

30-01-2026

14:50:03

GBp

575

611.50

XLON

xeaMVQYaKGh

30-01-2026

14:43:03

GBp

462

612.00

XLON

xeaMVQYa7BD

30-01-2026

14:38:40

GBp

347

613.00

XLON

xeaMVQYaFtb

30-01-2026

14:38:40

GBp

530

613.50

XLON

xeaMVQYaFt@

30-01-2026

14:34:53

GBp

389

614.00

XLON

xeaMVQYbsm5

30-01-2026

14:34:10

GBp

57

614.50

XLON

xeaMVQYbt9c

30-01-2026

14:34:10

GBp

655

614.50

XLON

xeaMVQYbt9e

30-01-2026

14:34:10

GBp

139

614.50

XLON

xeaMVQYbt9g

30-01-2026

14:32:05

GBp

219

614.00

XLON

xeaMVQYbmgp

30-01-2026

14:31:37

GBp

104

614.00

XLON

xeaMVQYbnfR

30-01-2026

14:31:37

GBp

57

614.00

XLON

xeaMVQYbnfT

30-01-2026

14:30:40

GBp

215

614.00

XLON

xeaMVQYb$z8

30-01-2026

14:30:40

GBp

161

614.00

XLON

xeaMVQYb$yz

30-01-2026

14:30:39

GBp

238

614.00

XLON

xeaMVQYb$$0

30-01-2026

14:25:42

GBp

357

612.50

XLON

xeaMVQYbasq

30-01-2026

14:25:42

GBp

224

612.50

XLON

xeaMVQYbass

30-01-2026

14:22:47

GBp

441

613.50

XLON

xeaMVQYbWyh

30-01-2026

14:22:47

GBp

240

613.50

XLON

xeaMVQYbWyj

30-01-2026

14:22:47

GBp

58

613.50

XLON

xeaMVQYbWyl

30-01-2026

14:22:47

GBp

498

613.50

XLON

xeaMVQYbWyn

30-01-2026

14:22:47

GBp

613

613.50

XLON

xeaMVQYbWyp

30-01-2026

14:22:47

GBp

380

613.00

XLON

xeaMVQYbWy0

30-01-2026

14:10:28

GBp

219

613.50

XLON

xeaMVQYbU@R

30-01-2026

14:04:24

GBp

377

613.50

XLON

xeaMVQYb6L3

30-01-2026

14:04:24

GBp

309

613.50

XLON

xeaMVQYb6LK

30-01-2026

14:04:24

GBp

282

613.50

XLON

xeaMVQYb6LM

30-01-2026

14:04:24

GBp

286

613.50

XLON

xeaMVQYb6Kh

30-01-2026

14:04:24

GBp

273

613.50

XLON

xeaMVQYb6Kv

30-01-2026

14:04:24

GBp

114

613.50

XLON

xeaMVQYb6Kx

30-01-2026

14:04:24

GBp

1,167

613.50

XLON

xeaMVQYb6K1

30-01-2026

14:04:24

GBp

141

613.50

XLON

xeaMVQYb6K3

30-01-2026

14:04:24

GBp

60

613.50

XLON

xeaMVQYb6K5

30-01-2026

14:00:03

GBp

380

613.00

XLON

xeaMVQYb1jV

30-01-2026

13:57:23

GBp

380

613.50

XLON

xeaMVQYbC62

30-01-2026

13:37:04

GBp

380

614.00

XLON

xeaMVQYcZJ9

30-01-2026

13:30:01

GBp

227

614.50

XLON

xeaMVQYcfCO

30-01-2026

13:30:01

GBp

161

614.50

XLON

xeaMVQYcfE$

30-01-2026

13:30:01

GBp

380

614.00

XLON

xeaMVQYcf9Y

30-01-2026

13:30:01

GBp

380

614.00

XLON

xeaMVQYcf82

30-01-2026

13:12:04

GBp

496

614.50

XLON

xeaMVQYc39q

30-01-2026

13:01:42

GBp

301

614.50

XLON

xeaMVQYdtfY

30-01-2026

12:54:53

GBp

1,031

614.50

XLON

xeaMVQYd@J6

30-01-2026

12:54:52

GBp

224

615.00

XLON

xeaMVQYd@Ia

30-01-2026

12:54:52

GBp

18

615.00

XLON

xeaMVQYd@Ic

30-01-2026

12:54:34

GBp

1,106

615.00

XLON

xeaMVQYd$eh

30-01-2026

12:54:34

GBp

38

615.00

XLON

xeaMVQYd$ej

30-01-2026

12:54:34

GBp

212

615.00

XLON

xeaMVQYd$eA

30-01-2026

12:32:46

GBp

380

614.00

XLON

xeaMVQYdLW5

30-01-2026

12:13:47

GBp

380

614.50

XLON

xeaMVQYdETZ

30-01-2026

12:07:42

GBp

56

614.50

XLON

xeaMVQYd9vB

30-01-2026

12:07:42

GBp

543

614.50

XLON

xeaMVQYd9vD

30-01-2026

12:07:42

GBp

311

614.50

XLON

xeaMVQYd9vF

30-01-2026

12:07:42

GBp

380

614.00

XLON

xeaMVQYd9vL

30-01-2026

12:03:17

GBp

380

614.00

XLON

xeaMVQYWoyx

30-01-2026

11:44:13

GBp

380

612.50

XLON

xeaMVQYWi47

30-01-2026

11:25:14

GBp

104

612.50

XLON

xeaMVQYW4Bu

30-01-2026

11:25:14

GBp

149

612.50

XLON

xeaMVQYW4Bw

30-01-2026

11:25:14

GBp

511

612.50

XLON

xeaMVQYW4By

30-01-2026

11:24:03

GBp

23

612.00

XLON

xeaMVQYW2tE

30-01-2026

11:24:03

GBp

142

612.00

XLON

xeaMVQYW2tG

30-01-2026

11:24:03

GBp

714

612.00

XLON

xeaMVQYW2tI

30-01-2026

11:24:03

GBp

270

612.00

XLON

xeaMVQYW2tM

30-01-2026

11:21:13

GBp

380

611.50

XLON

xeaMVQYW1C9

30-01-2026

11:14:59

GBp

380

612.00

XLON

xeaMVQYW8SA

30-01-2026

11:14:10

GBp

380

612.00

XLON

xeaMVQYW9Ci

30-01-2026

11:03:34

GBp

246

612.00

XLON

xeaMVQYXzI9

30-01-2026

11:00:50

GBp

412

611.50

XLON

xeaMVQYXvrM

30-01-2026

10:55:28

GBp

759

612.00

XLON

xeaMVQYXZ3s

30-01-2026

10:55:27

GBp

161

612.50

XLON

xeaMVQYXZDb

30-01-2026

10:55:27

GBp

1,498

612.50

XLON

xeaMVQYXZDk

30-01-2026

10:55:27

GBp

2

612.50

XLON

xeaMVQYXZDm

30-01-2026

10:55:27

GBp

2

612.50

XLON

xeaMVQYXZDo

30-01-2026

10:51:47

GBp

311

612.50

XLON

xeaMVQYXlJE

30-01-2026

10:51:47

GBp

69

612.50

XLON

xeaMVQYXlJG

30-01-2026

10:50:48

GBp

281

612.50

XLON

xeaMVQYXiQM

30-01-2026

10:39:10

GBp

380

612.50

XLON

xeaMVQYXUyo

30-01-2026

10:31:27

GBp

99

612.50

XLON

xeaMVQYX7Rb

30-01-2026

10:31:27

GBp

97

612.50

XLON

xeaMVQYX7RZ

30-01-2026

10:29:29

GBp

211

612.50

XLON

xeaMVQYX2zc

30-01-2026

10:27:35

GBp

182

612.50

XLON

xeaMVQYX0sR

30-01-2026

10:27:35

GBp

161

612.50

XLON

xeaMVQYX0pP

30-01-2026

10:27:35

GBp

289

612.50

XLON

xeaMVQYX0oc

30-01-2026

10:27:35

GBp

15

612.50

XLON

xeaMVQYX0oe

30-01-2026

10:27:35

GBp

65

612.50

XLON

xeaMVQYX0og

30-01-2026

10:27:35

GBp

534

612.50

XLON

xeaMVQYX0oi

30-01-2026

10:27:35

GBp

567

612.50

XLON

xeaMVQYX0om

30-01-2026

10:27:35

GBp

380

612.00

XLON

xeaMVQYX0ot

30-01-2026

10:19:05

GBp

380

612.00

XLON

xeaMVQYYsov

30-01-2026

10:12:33

GBp

321

611.50

XLON

xeaMVQYY@1$

30-01-2026

10:12:33

GBp

287

611.50

XLON

xeaMVQYY@11

30-01-2026

10:12:33

GBp

631

611.50

XLON

xeaMVQYY@13

30-01-2026

10:12:33

GBp

382

611.50

XLON

xeaMVQYY@19

30-01-2026

10:12:33

GBp

562

611.50

XLON

xeaMVQYY@1B

30-01-2026

10:12:33

GBp

21

611.50

XLON

xeaMVQYY@1D

30-01-2026

10:12:33

GBp

169

611.50

XLON

xeaMVQYY@1z

30-01-2026

10:05:25

GBp

380

611.00

XLON

xeaMVQYYdyr

30-01-2026

09:41:02

GBp

455

609.50

XLON

xeaMVQYYPFy

30-01-2026

09:41:02

GBp

455

610.00

XLON

xeaMVQYYPF5

30-01-2026

09:37:00

GBp

505

610.50

XLON

xeaMVQYY3gp

30-01-2026

09:33:56

GBp

799

611.00

XLON

xeaMVQYYFk$

30-01-2026

09:33:56

GBp

61

611.00

XLON

xeaMVQYYFk1

30-01-2026

09:20:14

GBp

271

610.50

XLON

xeaMVQYZyog

30-01-2026

09:17:07

GBp

418

610.50

XLON

xeaMVQYZukj

30-01-2026

09:17:05

GBp

539

611.00

XLON

xeaMVQYZuqh

30-01-2026

09:15:23

GBp

297

612.00

XLON

xeaMVQYZcT$

30-01-2026

09:15:23

GBp

265

612.00

XLON

xeaMVQYZcT1

30-01-2026

09:15:23

GBp

786

612.00

XLON

xeaMVQYZcT5

30-01-2026

09:06:00

GBp

190

610.00

XLON

xeaMVQYZeyK

30-01-2026

09:04:55

GBp

200

610.00

XLON

xeaMVQYZMaV

30-01-2026

09:04:17

GBp

188

610.00

XLON

xeaMVQYZMS0

30-01-2026

09:03:32

GBp

31

610.00

XLON

xeaMVQYZNSj

30-01-2026

09:03:32

GBp

250

610.00

XLON

xeaMVQYZNSl

30-01-2026

09:00:57

GBp

283

609.50

XLON

xeaMVQYZJ6n

30-01-2026

08:57:46

GBp

248

609.50

XLON

xeaMVQYZS0c

30-01-2026

08:55:27

GBp

320

607.00

XLON

xeaMVQYZRQB

30-01-2026

08:55:27

GBp

459

607.50

XLON

xeaMVQYZRQD

30-01-2026

08:54:10

GBp

343

608.00

XLON

xeaMVQYZPNd

30-01-2026

08:54:10

GBp

1,200

608.00

XLON

xeaMVQYZPNf

30-01-2026

08:54:10

GBp

244

608.00

XLON

xeaMVQYZPNh

30-01-2026

08:54:10

GBp

706

608.00

XLON

xeaMVQYZPNj

30-01-2026

08:54:05

GBp

238

607.00

XLON

xeaMVQYZPQ6

30-01-2026

08:49:46

GBp

275

607.00

XLON

xeaMVQYZ3Vl

30-01-2026

08:45:32

GBp

161

607.50

XLON

xeaMVQYZDhm

30-01-2026

08:45:32

GBp

308

607.00

XLON

xeaMVQYZDhs

30-01-2026

08:42:27

GBp

273

607.00

XLON

xeaMVQYZ9$G

30-01-2026

08:39:11

GBp

249

607.00

XLON

xeaMVQXSr20

30-01-2026

08:37:23

GBp

170

607.00

XLON

xeaMVQXSpTm

30-01-2026

08:34:26

GBp

202

607.00

XLON

xeaMVQXSyfK

30-01-2026

08:32:00

GBp

258

607.00

XLON

xeaMVQXSxvn

30-01-2026

08:30:15

GBp

614

607.00

XLON

xeaMVQXSvV7

30-01-2026

08:30:15

GBp

2,882

607.00

XLON

xeaMVQXSvVE

30-01-2026

08:30:15

GBp

61

607.00

XLON

xeaMVQXSvVG

30-01-2026

08:30:15

GBp

14

607.00

XLON

xeaMVQXSvVI

30-01-2026

08:30:15

GBp

302

607.00

XLON

xeaMVQXSvVQ

30-01-2026

08:30:15

GBp

640

607.00

XLON

xeaMVQXSvUf

30-01-2026

08:28:30

GBp

143

606.00

XLON

xeaMVQXSar6

30-01-2026

08:17:50

GBp

287

605.00

XLON

xeaMVQXSfKQ

30-01-2026

08:14:09

GBp

12

604.00

XLON

xeaMVQXSLMJ

30-01-2026

08:12:17

GBp

289

604.50

XLON

xeaMVQXSJsN

30-01-2026

08:11:29

GBp

380

604.00

XLON

xeaMVQXSGXl

30-01-2026

08:09:09

GBp

380

603.50

XLON

xeaMVQXSUH@

30-01-2026

08:06:29

GBp

380

604.00

XLON

xeaMVQXSTbi