Mandatory Closed Period Compliance with MAR

BlackRock World Mining Trust plc LEI – LNFFPBEUZJBOSR6PW155 The Directors of BlackRock World Mining Trust plc confirm that they are satisfied that all inside information, which the Directors and BlackRock World Mining Trust plc have leading up to the announcement of results for the year ended 31 December 2025, has previously been notified to a RIS. Accordingly, the Company may continue to buy back its ordinary shares to be held in treasury or for cancellation, or issue new shares, until the end of the mandatory closed period which is expected to be on or around 09 March 2026. Enquiries: Kevin Mayger Company Secretary BlackRock Investment Management (UK) Limited Tel: 0207 743 1098 Date:   09 February 2026