REG-Transaction in own shares

OsbAnnouncement

25/09/2025 07:00

For best results when printing this announcement, please click on link below:
https://newsfile.refinitiv.com/getnewsfile/v1/story?guid=urn:newsml:reuters.com:20250925:nGNE58jxx4&default-theme=true


OSB GROUP
PLC                                        
ISIN: GB00BLDRH360
25 September 2025

LEI number: 213800ZBKL9BHSL2K459

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

The Company announces that on 24 September 2025 it had purchased a total of
7,964 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                      7,964                  -         -         
 Highest price paid (per ordinary share)                  551.00p                -         -         
 Lowest price paid (per ordinary share)                   544.50p                -         -         
 Volume weighted average price paid (per ordinary share)  547.96p                -         -         

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 360,295,729 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting
rights in the Company is 360,295,729.

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  
 24-09-2025        12:42:49    GBp       23      551.00  XLON           xeaNirL7oef     
 24-09-2025        12:42:49    GBp       388     551.00  XLON           xeaNirL7oeh     
 24-09-2025        12:22:25    GBp       406     550.00  XLON           xeaNirL7bls     
 24-09-2025        12:04:00    GBp       479     550.00  XLON           xeaNirL7MvA     
 24-09-2025        12:02:43    GBp       519     550.50  XLON           xeaNirL7Nu3     
 24-09-2025        11:23:02    GBp       235     550.50  XLON           xeaNirL78yn     
 24-09-2025        11:13:01    GBp       228     550.50  XLON           xeaNirL0pef     
 24-09-2025        11:03:00    GBp       249     549.50  XLON           xeaNirL0xap     
 24-09-2025        11:02:25    GBp       3       549.50  XLON           xeaNirL0xwK     
 24-09-2025        11:02:25    GBp       18      549.50  XLON           xeaNirL0xwM     
 24-09-2025        10:51:07    GBp       207     549.50  XLON           xeaNirL0ZVO     
 24-09-2025        10:44:00    GBp       343     548.50  XLON           xeaNirL0iTl     
 24-09-2025        10:28:27    GBp       343     550.00  XLON           xeaNirL0JK$     
 24-09-2025        10:25:45    GBp       366     549.00  XLON           xeaNirL0H4r     
 24-09-2025        09:58:27    GBp       394     548.50  XLON           xeaNirL0DR8     
 24-09-2025        09:41:37    GBp       290     547.00  XLON           xeaNirL1@WE     
 24-09-2025        09:28:31    GBp       360     547.00  XLON           xeaNirL1d3q     
 24-09-2025        09:26:27    GBp       134     547.00  XLON           xeaNirL1bhg     
 24-09-2025        09:26:27    GBp       153     547.00  XLON           xeaNirL1bhi     
 24-09-2025        09:04:38    GBp       353     546.50  XLON           xeaNirL1ICs     
 24-09-2025        08:50:39    GBp       201     548.00  XLON           xeaNirL16tq     
 24-09-2025        08:43:53    GBp       264     547.00  XLON           xeaNirL10eL     
 24-09-2025        08:32:57    GBp       88      544.50  XLON           xeaNirL2s85     
 24-09-2025        08:32:57    GBp       217     544.50  XLON           xeaNirL2s87     
 24-09-2025        08:22:16    GBp       473     545.00  XLON           xeaNirL2yxL     
 24-09-2025        08:03:54    GBp       432     544.50  XLON           xeaNirL2ibR     
 24-09-2025        08:03:54    GBp       405     545.00  XLON           xeaNirL2iaa     
 24-09-2025        08:03:54    GBp       393     545.50  XLON           xeaNirL2iac