Transaction in own shares and Total Voting Rights

OSB GROUP PLC                                        
ISIN: GB00BLDRH360
03 February 2025

LEI number: 213800ZBKL9BHSL2K459

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

The Company announces that on 31 January 2025 it had purchased a total of 48,983 of its ordinary shares of £0.01 each (the "ordinary shares") on the London Stock Exchange, 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	33,237	15,746	-
Highest price paid (per ordinary share)	416.20p	416.20p	-
Lowest price paid (per ordinary share)	403.00p	403.00p	-
Volume weighted average price paid (per ordinary share)	410.99p	410.61p	-

The purchases form part of the Company’s share buyback programme announced on 05 September 2024. In accordance with the terms of the programme, no further shares will be repurchased.

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 369,666,514 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 369,666,514 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
Currency	GBP

Transaction Date	Trade Time	Currency	Volume	Price	Trading Venue	Transaction ID
31/01/2025	09:58:47	GBp	327	415.40	XLON	xHaNN38X9TP
31/01/2025	09:57:06	GBp	85	415.80	XLON	xHaNN38X9OX
31/01/2025	09:57:06	GBp	118	415.80	XLON	xHaNN38X9PV
31/01/2025	09:57:06	GBp	234	416.00	BATE	xHaNN38X9Ob
31/01/2025	09:57:06	GBp	291	416.00	XLON	xHaNN38X9OZ
31/01/2025	09:53:58	GBp	212	416.20	XLON	xHaNN38YsjN
31/01/2025	09:53:58	GBp	312	416.20	BATE	xHaNN38YsjR
31/01/2025	09:48:20	GBp	109	415.20	XLON	xHaNN38YswF
31/01/2025	09:46:50	GBp	144	415.00	XLON	xHaNN38Ys0a
31/01/2025	09:46:50	GBp	196	415.00	XLON	xHaNN38Ys0c
31/01/2025	09:46:27	GBp	156	415.20	XLON	xHaNN38Ys3j
31/01/2025	09:46:27	GBp	13	415.20	XLON	xHaNN38Ys3l
31/01/2025	09:46:27	GBp	169	415.20	XLON	xHaNN38Ys3r
31/01/2025	09:43:05	GBp	74	414.80	XLON	xHaNN38YsMl
31/01/2025	09:43:05	GBp	475	414.80	XLON	xHaNN38YsMn
31/01/2025	09:41:49	GBp	377	414.60	XLON	xHaNN38YsIX
31/01/2025	09:41:49	GBp	391	414.60	XLON	xHaNN38YsIZ
31/01/2025	09:40:48	GBp	232	413.60	XLON	xHaNN38YsUb
31/01/2025	09:40:48	GBp	267	413.60	XLON	xHaNN38YsUX
31/01/2025	09:40:48	GBp	400	413.40	XLON	xHaNN38YsUg
31/01/2025	09:40:48	GBp	328	413.40	BATE	xHaNN38YsUi
31/01/2025	09:36:58	GBp	247	413.40	BATE	xHaNN38YtlR
31/01/2025	09:34:12	GBp	278	413.60	XLON	xHaNN38Ytsj
31/01/2025	09:34:12	GBp	400	413.80	XLON	xHaNN38Ytsl
31/01/2025	09:34:12	GBp	342	413.60	BATE	xHaNN38Ytsn
31/01/2025	09:34:12	GBp	191	413.80	BATE	xHaNN38Ytsp
31/01/2025	09:34:12	GBp	300	413.80	BATE	xHaNN38Ytsr
31/01/2025	09:30:02	GBp	489	414.00	XLON	xHaNN38Yt6d
31/01/2025	09:30:02	GBp	473	414.00	BATE	xHaNN38Yt6f
31/01/2025	09:24:12	GBp	444	414.00	XLON	xHaNN38YtJ3
31/01/2025	09:24:12	GBp	233	414.20	XLON	xHaNN38YtJ5
31/01/2025	09:24:12	GBp	202	414.20	BATE	xHaNN38YtJ7
31/01/2025	09:24:12	GBp	341	414.40	XLON	xHaNN38YtJF
31/01/2025	09:24:12	GBp	290	414.40	BATE	xHaNN38YtJH
31/01/2025	09:24:11	GBp	70	415.00	XLON	xHaNN38YtJT
31/01/2025	09:24:11	GBp	1,518	415.00	XLON	xHaNN38YtJV
31/01/2025	09:24:11	GBp	278	414.60	BATE	xHaNN38YtIa
31/01/2025	09:24:11	GBp	278	414.60	XLON	xHaNN38YtIc
31/01/2025	09:24:11	GBp	400	414.80	XLON	xHaNN38YtIe
31/01/2025	09:24:11	GBp	400	414.80	BATE	xHaNN38YtIg
31/01/2025	09:20:56	GBp	400	415.00	XLON	xHaNN38YqdG
31/01/2025	09:20:56	GBp	400	415.00	BATE	xHaNN38YqdI
31/01/2025	09:08:11	GBp	864	415.00	XLON	xHaNN38YqQm
31/01/2025	09:08:11	GBp	278	414.80	XLON	xHaNN38YqQt
31/01/2025	09:08:11	GBp	273	414.80	BATE	xHaNN38YqQv
31/01/2025	09:08:11	GBp	393	415.00	BATE	xHaNN38YqQz
31/01/2025	09:08:11	GBp	400	415.00	XLON	xHaNN38YqQx
31/01/2025	09:08:11	GBp	400	415.20	XLON	xHaNN38YqQ6
31/01/2025	09:08:11	GBp	617	415.20	BATE	xHaNN38YqQ8
31/01/2025	09:06:15	GBp	28	416.00	XLON	xHaNN38YrZ2
31/01/2025	09:06:15	GBp	55	416.00	XLON	xHaNN38YrZ4
31/01/2025	09:06:15	GBp	80	416.00	XLON	xHaNN38YrZ6
31/01/2025	09:06:15	GBp	278	416.00	XLON	xHaNN38YrZ8
31/01/2025	09:06:15	GBp	685	416.00	BATE	xHaNN38YrZL
31/01/2025	09:06:15	GBp	425	416.00	XLON	xHaNN38YrZQ
31/01/2025	09:06:15	GBp	40	416.00	XLON	xHaNN38YrZS
31/01/2025	09:04:22	GBp	7	415.80	XLON	xHaNN38Yre7
31/01/2025	09:04:22	GBp	225	415.80	XLON	xHaNN38Yre9
31/01/2025	09:04:22	GBp	196	415.80	XLON	xHaNN38YreB
31/01/2025	09:04:15	GBp	227	415.40	XLON	xHaNN38Yrht
31/01/2025	09:04:15	GBp	196	415.40	XLON	xHaNN38Yrhv
31/01/2025	09:04:15	GBp	278	414.80	XLON	xHaNN38Yrh2
31/01/2025	09:04:15	GBp	424	414.80	BATE	xHaNN38Yrh4
31/01/2025	09:04:15	GBp	400	415.00	XLON	xHaNN38YrhD
31/01/2025	09:04:15	GBp	400	415.00	BATE	xHaNN38YrhF
31/01/2025	09:01:19	GBp	5,984	414.80	XLON	xHaNN38Yr0c
31/01/2025	09:01:19	GBp	1,240	414.80	BATE	xHaNN38Yr0i
31/01/2025	09:01:19	GBp	565	414.80	BATE	xHaNN38Yr0k
31/01/2025	09:01:07	GBp	173	414.00	XLON	xHaNN38Yr37
31/01/2025	09:01:07	GBp	135	413.80	BATE	xHaNN38Yr3K
31/01/2025	09:01:07	GBp	100	413.80	BATE	xHaNN38Yr3M
31/01/2025	09:01:07	GBp	226	414.00	BATE	xHaNN38Yr3O
31/01/2025	09:00:47	GBp	400	413.40	XLON	xHaNN38YrCF
31/01/2025	09:00:00	GBp	5	412.80	BATE	xHaNN38YrKa
31/01/2025	09:00:00	GBp	4	412.80	BATE	xHaNN38YrKc
31/01/2025	09:00:00	GBp	4	412.80	BATE	xHaNN38YrKe
31/01/2025	09:00:00	GBp	4	412.80	BATE	xHaNN38YrKg
31/01/2025	08:59:20	GBp	226	411.00	XLON	xHaNN38YrGG
31/01/2025	08:45:18	GBp	463	408.20	XLON	xHaNN38YoSR
31/01/2025	08:45:18	GBp	226	408.60	BATE	xHaNN38YoST
31/01/2025	08:45:18	GBp	278	408.40	BATE	xHaNN38YoSV
31/01/2025	08:32:40	GBp	235	404.80	BATE	xHaNN38Ymjw
31/01/2025	08:32:37	GBp	207	405.20	BATE	xHaNN38Ymj$
31/01/2025	08:32:37	GBp	328	405.20	BATE	xHaNN38Ymj5
31/01/2025	08:32:37	GBp	328	405.20	BATE	xHaNN38YmjB
31/01/2025	08:32:37	GBp	227	405.20	BATE	xHaNN38YmjH
31/01/2025	08:32:37	GBp	137	405.40	XLON	xHaNN38YmjN
31/01/2025	08:32:37	GBp	82	405.40	XLON	xHaNN38YmjP
31/01/2025	08:32:37	GBp	226	405.20	XLON	xHaNN38YmjS
31/01/2025	08:32:37	GBp	349	405.00	XLON	xHaNN38YmjU
31/01/2025	08:32:37	GBp	502	405.60	XLON	xHaNN38Ymid
31/01/2025	08:32:37	GBp	3,300	405.60	XLON	xHaNN38Ymif
31/01/2025	08:32:14	GBp	424	405.00	BATE	xHaNN38Yml$
31/01/2025	08:22:20	GBp	278	404.80	XLON	xHaNN38YmSC
31/01/2025	08:22:19	GBp	146	405.40	XLON	xHaNN38YmVa
31/01/2025	08:22:19	GBp	120	405.40	XLON	xHaNN38YmVY
31/01/2025	08:14:52	GBp	277	404.20	BATE	xHaNN38Yn63
31/01/2025	08:14:29	GBp	244	404.20	BATE	xHaNN38YnCa
31/01/2025	08:14:17	GBp	138	404.20	BATE	xHaNN38Yn9l
31/01/2025	08:14:07	GBp	400	404.20	XLON	xHaNN38Yn8J
31/01/2025	08:10:30	GBp	95	404.40	XLON	xHaNN38Y@jF
31/01/2025	08:10:30	GBp	93	404.40	XLON	xHaNN38Y@jH
31/01/2025	08:10:30	GBp	159	404.40	BATE	xHaNN38Y@jJ
31/01/2025	08:10:30	GBp	29	404.40	BATE	xHaNN38Y@jL
31/01/2025	08:10:01	GBp	226	405.40	XLON	xHaNN38Y@lr
31/01/2025	08:10:01	GBp	437	405.60	XLON	xHaNN38Y@lu
31/01/2025	08:10:01	GBp	624	405.80	XLON	xHaNN38Y@lw
31/01/2025	08:10:01	GBp	226	405.60	BATE	xHaNN38Y@ly
31/01/2025	08:10:01	GBp	328	405.80	BATE	xHaNN38Y@l@
31/01/2025	08:08:05	GBp	400	405.00	BATE	xHaNN38Y@hV
31/01/2025	08:08:05	GBp	330	405.20	XLON	xHaNN38Y@gd
31/01/2025	08:08:05	GBp	473	405.40	XLON	xHaNN38Y@gf
31/01/2025	08:08:05	GBp	278	405.20	BATE	xHaNN38Y@gh
31/01/2025	08:08:05	GBp	400	405.40	BATE	xHaNN38Y@gj
31/01/2025	08:06:05	GBp	249	405.80	XLON	xHaNN38Y@oz
31/01/2025	08:06:05	GBp	400	405.40	XLON	xHaNN38Y@o0
31/01/2025	08:05:35	GBp	187	405.40	BATE	xHaNN38Y@@H
31/01/2025	08:05:34	GBp	49	405.00	XLON	xHaNN38Y@@N
31/01/2025	08:05:34	GBp	49	405.00	XLON	xHaNN38Y@vb
31/01/2025	08:05:34	GBp	216	405.00	XLON	xHaNN38Y@vd
31/01/2025	08:05:34	GBp	598	405.40	XLON	xHaNN38Y@vf
31/01/2025	08:05:34	GBp	200	405.20	XLON	xHaNN38Y@vh
31/01/2025	08:05:34	GBp	413	405.20	XLON	xHaNN38Y@vk
31/01/2025	08:05:29	GBp	922	405.20	XLON	xHaNN38Y@vQ
31/01/2025	08:01:37	GBp	175	403.00	BATE	xHaNN38Y$a5
31/01/2025	08:01:37	GBp	175	403.00	XLON	xHaNN38Y$a3
31/01/2025	08:01:30	GBp	259	403.60	XLON	xHaNN38Y$dC
31/01/2025	08:01:30	GBp	237	403.80	XLON	xHaNN38Y$dE
31/01/2025	08:01:30	GBp	197	403.80	XLON	xHaNN38Y$dG
31/01/2025	08:01:30	GBp	267	404.00	BATE	xHaNN38Y$dI
31/01/2025	08:01:05	GBp	20	403.80	XLON	xHaNN38Y$lL
31/01/2025	08:01:05	GBp	21	403.80	BATE	xHaNN38Y$lN
31/01/2025	08:01:05	GBp	54	404.00	XLON	xHaNN38Y$lP
31/01/2025	08:01:05	GBp	322	404.00	XLON	xHaNN38Y$lR
31/01/2025	08:01:05	GBp	57	404.00	BATE	xHaNN38Y$lT
31/01/2025	08:01:05	GBp	336	404.00	BATE	xHaNN38Y$lV
31/01/2025	08:01:04	GBp	283	404.20	BATE	xHaNN38Y$kb
31/01/2025	08:01:04	GBp	526	404.20	BATE	xHaNN38Y$kd
31/01/2025	08:01:04	GBp	90	404.20	BATE	xHaNN38Y$kf
31/01/2025	08:01:04	GBp	539	404.20	XLON	xHaNN38Y$kX
31/01/2025	08:01:04	GBp	10	404.20	XLON	xHaNN38Y$kZ