This announcement is a correction to the announcement published at 10:57 on the 18th July 2017. This was published under the incorrect headline Base Rate Change, which should have been Net Asset Value(s). The announcement content remains the same.

NET ASSET VALUE

BLACKROCK WORLD MINING TRUST PLC
LNFFPBEUZJBOSR6PW155

The unaudited net asset values for BlackRock World Mining Trust plc at close of
business on 17 July 2017 were:

395.35p  Capital only (undiluted)
401.00p  Including current year income (undiluted)

Notes:

1.        Revenue items included in net asset value, with dividends payable
deducted on the ex-dividend date.

2.        Following the buyback of 112,008 ordinary shares on 25 April 2016,
the Company has 176,455,242 ordinary shares in issue, excluding 16,556,600
which are held in treasury.

3.        For the latest daily net asset value, previous month end performance
statistics, asset allocation and ten largest holdings of the BlackRock managed
Investment Trusts; see BLRKINDEX on Reuters or page 8800 on ICB (Topic 3).

4.        Investments have been valued on a bid price basis.