Transaction in Own Shares

BlackRock World Mining Trust plc (‘the Company’) LEI – LNFFPBEUZJBOSR6PW155 Transaction in own shares: purchase of own shares to be held in treasury The Company announces that it has today purchased 54,220 of its Ordinary Shares at an average price of 695.97 pence per share to be held in treasury. Following settlement of this purchase on 20 October 2025 the issued share capital of the Company will be 187,183,816 Ordinary Shares, excluding 5,828,026 shares which are held in treasury.   Shares held in treasury do not carry any voting rights; 3.02% of the Company’s total issued share capital (193,011,842 Ordinary Shares, including treasury shares) will be held in treasury following settlement. For reporting purposes under the FCA's Disclosure Guidance and Transparency Rules the market should exclude any shares held in treasury and should use the figure of 187,183,816 following settlement when determining if they are required to notify their interest in, or a change to their interest in the Company. All enquiries:

Kevin Mayger

Company Secretary BlackRock Investment Management (UK) Limited Tel: 0207 743 1098

16 October 2025