Transaction in own shares

OSB GROUP PLC                                        
ISIN: GB00BLDRH360
27 January 2025

LEI number: 213800ZBKL9BHSL2K459

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

The Company announces that on 24 January 2025 it had purchased a total of 14,913 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	14,913	-	-
Highest price paid (per ordinary share)	395.40p	-	-
Lowest price paid (per ordinary share)	390.60p	-	-
Volume weighted average price paid (per ordinary share)	392.91p	-	-

The purchases form part of the Company’s share buyback programme announced on 05 September 2024.

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 370,022,638 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 370,022,638.

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
24/01/2025	16:21:43	GBp	348	391.20	XLON	xeaNM6tBwVM
24/01/2025	16:20:02	GBp	20	391.20	XLON	xeaNM6tBuUD
24/01/2025	16:20:02	GBp	95	391.20	XLON	xeaNM6tBuUG
24/01/2025	16:17:59	GBp	368	391.20	XLON	xeaNM6tBdpa
24/01/2025	16:12:55	GBp	402	391.00	XLON	xeaNM6tBWmQ
24/01/2025	16:02:52	GBp	245	391.00	XLON	xeaNM6tBMFf
24/01/2025	15:59:43	GBp	227	390.60	XLON	xeaNM6tBLv7
24/01/2025	15:55:02	GBp	305	391.80	XLON	xeaNM6tBHxH
24/01/2025	15:55:02	GBp	440	392.00	XLON	xeaNM6tBHxN
24/01/2025	15:40:48	GBp	167	391.20	XLON	xeaNM6tB0il
24/01/2025	15:40:13	GBp	242	391.00	XLON	xeaNM6tB0St
24/01/2025	15:40:13	GBp	516	391.00	XLON	xeaNM6tB0SG
24/01/2025	15:20:20	GBp	189	390.80	XLON	xeaNM6t4wnk
24/01/2025	15:20:20	GBp	223	391.00	XLON	xeaNM6t4wnI
24/01/2025	15:11:51	GBp	300	391.00	XLON	xeaNM6t4Z@v
24/01/2025	15:06:24	GBp	257	391.40	XLON	xeaNM6t4jKP
24/01/2025	15:01:25	GBp	202	392.00	XLON	xeaNM6t4NDZ
24/01/2025	14:57:53	GBp	213	392.40	XLON	xeaNM6t4GZv
24/01/2025	14:57:53	GBp	20	392.40	XLON	xeaNM6t4GZx
24/01/2025	14:52:04	GBp	296	392.60	XLON	xeaNM6t4QvO
24/01/2025	14:46:48	GBp	136	392.40	XLON	xeaNM6t447X
24/01/2025	14:46:48	GBp	136	392.40	XLON	xeaNM6t447Z
24/01/2025	14:46:10	GBp	422	392.40	XLON	xeaNM6t45ZH
24/01/2025	14:39:15	GBp	349	392.40	XLON	xeaNM6t4D1e
24/01/2025	14:27:22	GBp	202	392.20	XLON	xeaNM6t5$X4
24/01/2025	14:20:28	GBp	249	392.40	XLON	xeaNM6t5uEo
24/01/2025	14:11:06	GBp	200	392.80	XLON	xeaNM6t5Z0l
24/01/2025	14:04:39	GBp	327	393.60	XLON	xeaNM6t5iqf
24/01/2025	13:53:00	GBp	240	393.80	XLON	xeaNM6t5L0R
24/01/2025	13:41:24	GBp	171	394.00	XLON	xeaNM6t5QT1
24/01/2025	13:41:24	GBp	245	394.20	XLON	xeaNM6t5QT3
24/01/2025	13:35:00	GBp	287	394.20	XLON	xeaNM6t54uv
24/01/2025	13:18:21	GBp	217	394.40	XLON	xeaNM6t59i7
24/01/2025	12:59:42	GBp	270	394.40	XLON	xeaNM6t6zhS
24/01/2025	12:43:21	GBp	214	394.60	XLON	xeaNM6t6Z54
24/01/2025	12:43:21	GBp	242	394.40	XLON	xeaNM6t6Z5C
24/01/2025	12:43:21	GBp	14	394.40	XLON	xeaNM6t6Z5E
24/01/2025	12:29:50	GBp	289	394.40	XLON	xeaNM6t6ewJ
24/01/2025	12:29:50	GBp	195	394.60	XLON	xeaNM6t6ewL
24/01/2025	12:20:34	GBp	195	394.40	XLON	xeaNM6t6JZn
24/01/2025	11:42:41	GBp	226	394.20	XLON	xeaNM6t69Cr
24/01/2025	11:32:26	GBp	226	395.00	XLON	xeaNM6t7mxK
24/01/2025	11:32:26	GBp	326	395.20	XLON	xeaNM6t7mxM
24/01/2025	10:59:37	GBp	183	394.80	XLON	xeaNM6t7eoZ
24/01/2025	10:51:27	GBp	244	395.20	XLON	xeaNM6t7IKI
24/01/2025	10:48:41	GBp	289	395.40	XLON	xeaNM6t7Hjc
24/01/2025	10:19:55	GBp	210	393.00	XLON	xeaNM6t0@G4
24/01/2025	10:19:28	GBp	303	393.20	XLON	xeaNM6t0$pq
24/01/2025	09:56:47	GBp	16	393.40	XLON	xeaNM6t0f81
24/01/2025	09:56:47	GBp	5	393.40	XLON	xeaNM6t0f83
24/01/2025	09:56:47	GBp	65	393.40	XLON	xeaNM6t0f85
24/01/2025	09:56:47	GBp	96	393.60	XLON	xeaNM6t0f87
24/01/2025	09:56:47	GBp	104	393.60	XLON	xeaNM6t0f89
24/01/2025	09:56:47	GBp	8	393.60	XLON	xeaNM6t0f8B
24/01/2025	09:56:47	GBp	13	393.60	XLON	xeaNM6t0f8D
24/01/2025	09:36:31	GBp	214	392.80	XLON	xeaNM6t0P0g
24/01/2025	09:26:25	GBp	18	392.00	XLON	xeaNM6t01Ur
24/01/2025	09:26:25	GBp	333	392.20	XLON	xeaNM6t01Uw
24/01/2025	09:09:55	GBp	163	393.00	XLON	xeaNM6t1pBv
24/01/2025	09:03:24	GBp	283	393.80	XLON	xeaNM6t1zky
24/01/2025	08:49:52	GBp	231	394.00	XLON	xeaNM6t1Z4K
24/01/2025	08:49:51	GBp	287	394.20	XLON	xeaNM6t1Z68
24/01/2025	08:25:58	GBp	172	392.40	XLON	xeaNM6t1GLF
24/01/2025	08:25:54	GBp	211	392.60	XLON	xeaNM6t1GGk
24/01/2025	08:25:54	GBp	2	392.60	XLON	xeaNM6t1GGm
24/01/2025	08:25:54	GBp	1	392.60	XLON	xeaNM6t1GJv
24/01/2025	08:18:33	GBp	14	393.60	XLON	xeaNM6t1Qlj
24/01/2025	08:18:30	GBp	159	393.60	XLON	xeaNM6t1QfD
24/01/2025	08:18:30	GBp	251	393.60	XLON	xeaNM6t1QfE
24/01/2025	08:18:30	GBp	240	393.80	XLON	xeaNM6t1QfN
24/01/2025	08:18:30	GBp	345	394.00	XLON	xeaNM6t1QfP