OSB GROUP PLC ISIN: GB00BLDRH36003 November 2025 LEI number: 213800ZBKL9BHSL2K459 OSB GROUP PLC (the “Company”) Transaction in Own Shares and Total Voting Rights The Company announces that on 31 October 2025 it had purchased a total of 183,527 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 ...