Osirium Technologies PLC announced further to the announcement by the company on 22 November 2022 (the Announcement) containing details of, inter alia, proposed changes to the board, the company confirms that the board changes set out in the Announcement have taken effect from 1 January 2023 and the composition of the company's board of directors is now as follows: David Guyatt, Executive Chairman; Stuart McGregor, Chief Executive Officer; Rupert Hutton, Chief Financial Officer; Simon Lee, Senior Independent Non-Executive Director; Simon Hember, Independent Non-Executive Director.