Transaction in own shares and Total Voting Rights

OSB GROUP PLC                                        
ISIN: GB00BLDRH360
02 January 2025

LEI number: 213800ZBKL9BHSL2K459

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

The Company announces that on 31 December 2024 it had purchased a total of 4,644 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	4,644	-	-
Highest price paid (per ordinary share)	402.00p	-	-
Lowest price paid (per ordinary share)	400.80p	-	-
Volume weighted average price paid (per ordinary share)	401.71p	-	-

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 372,031,694 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting rights in the Company is 372,031,694 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
31/12/2024	09:49:29	GBp	190	401.40	XLON	xeaNJoebm9F
31/12/2024	09:49:29	GBp	200	401.40	XLON	xeaNJoebm9H
31/12/2024	09:49:28	GBp	1,411	401.60	XLON	xeaNJoebm9K
31/12/2024	09:49:28	GBp	104	402.00	XLON	xeaNJoebm8a
31/12/2024	09:49:28	GBp	45	402.00	XLON	xeaNJoebm8c
31/12/2024	09:49:28	GBp	4	402.00	XLON	xeaNJoebm8Y
31/12/2024	09:48:52	GBp	70	402.00	XLON	xeaNJoebmJ4
31/12/2024	09:48:52	GBp	69	402.00	XLON	xeaNJoebmJ6
31/12/2024	09:48:52	GBp	102	402.00	XLON	xeaNJoebmJ8
31/12/2024	09:48:52	GBp	77	402.00	XLON	xeaNJoebmJA
31/12/2024	09:48:52	GBp	240	402.00	XLON	xeaNJoebmJE
31/12/2024	09:48:52	GBp	356	402.00	XLON	xeaNJoebmJP
31/12/2024	09:48:52	GBp	105	402.00	XLON	xeaNJoebmJR
31/12/2024	09:48:52	GBp	66	402.00	XLON	xeaNJoebmJT
31/12/2024	09:48:52	GBp	27	402.00	XLON	xeaNJoebmJV
31/12/2024	09:48:52	GBp	160	401.80	XLON	xeaNJoebmIa
31/12/2024	09:48:52	GBp	49	402.00	XLON	xeaNJoebmIf
31/12/2024	09:48:52	GBp	81	402.00	XLON	xeaNJoebmIh
31/12/2024	09:48:52	GBp	160	401.60	XLON	xeaNJoebmIm
31/12/2024	09:48:52	GBp	105	401.80	XLON	xeaNJoebmIy
31/12/2024	09:48:52	GBp	125	401.80	XLON	xeaNJoebmI@
31/12/2024	09:30:58	GBp	230	401.80	XLON	xeaNJoebysB
31/12/2024	09:22:37	GBp	122	402.00	XLON	xeaNJoebz0N
31/12/2024	09:22:37	GBp	230	402.00	XLON	xeaNJoebz3X
31/12/2024	08:33:50	GBp	116	400.80	XLON	xeaNJoebbs6
31/12/2024	08:33:50	GBp	200	400.80	XLON	xeaNJoebbs8