Net Asset Value(s)

NET ASSET VALUE

BLACKROCK WORLD MINING TRUST PLC

The unaudited net asset values for BlackRock World Mining Trust plc at close of
business on 7 October 2014 were:

389.62p Capital only (undiluted)
399.96p including current year income (undiluted)

Notes:

1. London Mining issued today an update on its financial position stating that
they believe there to be little or no value remaining in the listed securities
and highlighting the uncertainties surrounding the future of its Marampa mine.
The Board has therefore concluded that the most prudent approach is to value
the Company's holdings in the London Mining Marampa royalty contract and
convertible bond at nil (previously valued at £47.8m and £4.6m respectively,
including accrued income) and to recognise income on the royalty contract and
the convertible bond only to the extent that it has already been received. The
Board will make a further announcement on the carrying value of these holdings
if the position changes

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

3. The undiluted net asset value per share has been calculated on 177,287,242
ordinary shares excluding 15,724,600 held in treasury.

4. 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).

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