Holding(s) in Company

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

(1). Identity of the issuer or the underlying issuer of existing shares to
which voting rights are attached (ii):

BLACKROCK WORLD MINING TRUST PLC

(2). Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights: (X)

An acquisition or disposal of qualifying financial instruments which may result
in the acquisition of shares already issued to which voting rights are
attached: ( )

An acquisition or disposal of instruments with similar economic effect to
qualifying financial instruments: ( )

An event changing the breakdown of voting rights: ( )

Other (please specify) : ( )

(3). Full name of person(s) subject to the notification obligation (iii):

Brewin Dolphin Limited

(4). Full name of shareholder(s) (if different from 3.) (iv):


(5). Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):

24 April 2014

(6). Date on which issuer notified:

25 April 2014

(7). Threshold(s) that is/are crossed or reached:

5%

(8). Notified details:

A: Voting rights attached to shares

Class/type of shares (if possible using the ISIN code): Ordinary GBP0.05 /
GB0005774855

Situation previous to the triggering transaction (vi):
Number of Shares: Below 5%
Number of Voting rights (viii): Below 5%

Resulting situation after the triggering transaction (vii):
Number of shares:
DIRECT: N/A
Number of voting rights (ix):
Direct (x): N/A
Indirect (xi): 8,901,705

% of voting rights:
Direct: N/A
Indirect: 5.0210%


B. Financial Instruments

Resulting situation after the triggering transaction (xii):

Type of financial instrument:

Expiration date (xiii):

Exercise/Conversion Period/Date (xiv):

Number of voting rights that may be acquired if the instrument is exercised/
converted:

% of voting rights:

C. Financial Instruments with similar economic effect to Qualifying Instruments
(xv), (xvi):

Resulting situation after the triggering transaction:

Type of financial instrument:

Exercise Price:

Expiration date (xvii):

Exercise/Conversion Period/Date (xviii):

Number of voting rights instrument refers to:

% of voting rights (xix) (xx):


Nominal:
Delta:

Total (A + B + C):

Number of voting rights: 8,901,705

% of voting rights: 5.0210%


(9). Chain of controlled undertakings through which the voting rights and/or
the financial instruments are effectively held, if applicable (xv):

Indirect - Brewin Nominees (Channel Islands) Limited: 121,751 - 0.0687%
Indirect - Brewin Nominees Limited:                 1,794,651 - 1.0123%
Indirect - Giltspur Nominees Limited:               3,752,768 - 2.1167%
Indirect - BDS Nominees Limited:                    1,994,815 - 1.1252%
Indirect - Brewin Nominees Limited A/C Charity:       783,273 - 0.4418%
Indirect - Brewin Nominees Limited A/C Offbond:       454,447 - 0.2563%
Grand Total:                                        8,901,705 - 5.0210%

Proxy Voting:

(10). Name of the proxy holder:


(11). Number of voting rights proxy holder will cease to hold:


(12). Date on which proxy holder will cease to hold voting rights:


(13). Additional information:

Figures based on shares in issue of 177,287,242 total shares. The indirect
voting rights under (9) relate to shares held in client portfolios,

managed by those firms, under discretionary investment management agreements.

(14). Contact name:

Barbara Powley

(15). Contact telephone number:

020 7743 5610

25 April 2014