REG-OSB GROUP PLC - Transaction in Own Shares

OsbAnnouncement

26/05/2026 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:20260526:nGNE8bmhTh&default-theme=true


OSB GROUP PLC
ISIN: GB00BLDRH360
26 May 2026

LEI number: 213800ZBKL9BHSL2K459

OSB GROUP PLC (the “Company”) 
Share Buyback Programme – Transactions in Own Shares

The Company announces that, for the period from 18 May 2026 to 22 May 2026,
inclusive, it had purchased a total of 1,477,945 of its ordinary shares of
£0.01 each (the "ordinary shares") on the London Stock Exchange, CBOE BXE
,CBOE CXE and Aquis Exchange, through the Company’s broker Jefferies
International Limited as detailed below. The repurchased ordinary shares will
be cancelled.

 18 May 2026                                              London Stock Exchange  CBOE BXE  CBOE CXE  Aquis Exchange  
 Number of ordinary shares purchased                      122,586                143,651   34,152    16,903          
 Highest price paid (per ordinary share)                  498.60p                498.60p   498.60p   498.60p         
 Lowest price paid (per ordinary share)                   487.20p                487.40p   487.20p   487.20p         
 Volume weighted average price paid (per ordinary share)  492.89p                492.89p   492.89p   492.95p         



 19 May 2026                                              London Stock Exchange  CBOE BXE  CBOE CXE  Aquis Exchange  
 Number of ordinary shares purchased                      119,484                140,194   33,433    16,476          
 Highest price paid (per ordinary share)                  501.00p                500.50p   500.50p   500.50p         
 Lowest price paid (per ordinary share)                   491.60p                492.00p   492.20p   492.00p         
 Volume weighted average price paid (per ordinary share)  496.63p                496.64p   496.64p   496.64p         



 20 May 2026                                              London Stock Exchange  CBOE BXE  CBOE CXE  Aquis Exchange  
 Number of ordinary shares purchased                      118,506                139,049   33,157    16,358          
 Highest price paid (per ordinary share)                  501.00p                501.00p   501.50p   501.00p         
 Lowest price paid (per ordinary share)                   489.40p                489.40p   489.40p   489.40p         
 Volume weighted average price paid (per ordinary share)  494.26p                494.25p   494.28p   494.28p         



 21 May 2026                                              London Stock Exchange  CBOE BXE  CBOE CXE  Aquis Exchange  
 Number of ordinary shares purchased                      109,289                119,558   32,709    14,903          
 Highest price paid (per ordinary share)                  504.50p                504.50p   504.50p   504.00p         
 Lowest price paid (per ordinary share)                   494.00p                494.40p   494.40p   497.40p         
 Volume weighted average price paid (per ordinary share)  500.89p                500.89p   500.92p   500.94p         



 22 May 2026                                              London Stock Exchange  CBOE BXE  CBOE CXE  Aquis Exchange  
 Number of ordinary shares purchased                      108,951                111,917   31,102    15,567          
 Highest price paid (per ordinary share)                  503.00p                502.50p   502.00p   501.50p         
 Lowest price paid (per ordinary share)                   496.00p                496.00p   496.00p   496.00p         
 Volume weighted average price paid (per ordinary share)  499.70p                499.60p   499.56p   499.52p         

The purchases form part of the Company's share buyback programme announced on
5 March 2026.

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 344,548,228 ordinary shares.

No ordinary shares are held in treasury. Therefore, the total number of voting
rights in the Company is 344,548,228.

In accordance with Article 5(2)(b) of Regulation (EU) No 596/2024 as
incorporated into and implemented under English law (including by virtue of
the European Union (Withdrawal) Act 2028), the detailed breakdown of
individual trades made by Jefferies International 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

 Issuer Name        OSB GROUP PLC                    
 LEI                223800ZBKL9BHSL2K459             
 ISIN               GB00BLDRH360                     
 Intermediary Name  Jefferies International Limited  
 Intermediary Code  JEFFGB2XXXX                      
 Timezone           GMT                              
 Currency           GBP                              

Individual Transactions:

Please see attached PDF for full list of transactions.

Attachment
*     2026.05.22_OSBG Buyback Fills
(https://ml-eu.globenewswire.com/Resource/Download/608a07de-0d32-43dd-88d1-8223bd62e96f)