Holding(s) in Company

SCHEDULE 10                                  
                   NOTIFICATION OF MAJOR INTERESTS IN SHARES                   

1) Name of company:

BLACKROCK WORLD MINING TRUST PLC

2) Name of shareholder having a major interest:

NUTRACO NOMINEES LIMITED

3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18:

NON-BENEFICIAL

4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them:

NUTRACO NOMINEES LIMITED

5) Number of shares/amount of stock acquired:

NOT NOTIFIED

6) Percentage of issued class:

NOT NOTIFIED

7) Number of shares/amount of stock disposed:

NOT NOTIFIED

8) Percentage of issued class:

NOT NOTIFIED

9) Class of security:

ORDINARY SHARES OF 5p EACH

10) Date of transaction:

N/A

11) Date company became aware of holding:

N/A

12) Total holding following this notification:

2,319,935

13) Total percentage holding of issued class following this notification:

1.30%

14) Any additional information:

BlackRock World Mining Trust plc announces that BlackRock Investment Management
(UK) Limited has a notifiable interest in 2,319,935 ordinary shares, being
1.30% of the issued share capital of the Company (excluding treasury shares).
These shares are held on behalf of participants in the BlackRock investment
trust savings products. BlackRock Investment Management (UK) Limited has a
notifiable interest in these shares because, in certain circumstances and
subject to certain limitations agreed with the Takeover Panel to ensure
compliance with the Takeover Code, with effect from 14 March 2007 BlackRock is
entitled to exercise the voting rights attached to these shares if the relevant
plan participants do not do so.

15) Name of contact and telephone number for queries:

Caroline Driscoll
Tel: [phone]

16) Name and signature of authorised company official responsible for
making this notification:

Caroline Driscoll
For BlackRock Investment Management (UK) Limited
Secretary

17) Date of notification:

1 June 2009