BlackRock World Mining Trust plc

    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 2016, 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 until the end of the mandatory closed
    period which is expected to be on or around 23 February 2017.

    Enquiries:

    Ms C Driscoll
    Company Secretary
    BlackRock Investment Management (UK) Limited
    Tel:  020 7743 2427

    Date:  24 January 2017