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

An event changing the breakdown of voting rights: ( )

Other (please specify) : ( )

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

Legal & General Group Plc (L&G)

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

Legal & General Assurance (Pensions Management) Limited (PMC)

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

3 April 2009

(6). Date on which issuer notified:

6 April 2009

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

From 4% to 3% (L&G)

(8). Notified details:


A: Voting rights attached to shares

Class/type of shares (if possible using the ISIN code): Ord/5p

Situation previous to the triggering transaction(vi):
Number of Shares: 7,127,710
Number of Voting rights(viii): 7,127,710

Resulting situation after the triggering transaction(vii):
Number of shares: 7,087,510

Number of voting rights (ix):
Direct (x): 7,087,510
Indirect (xi):

% of voting rights:
Direct: 3.98%
Indirect:


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:

Total (A + B):

Number of voting rights: 7,087,510

% of voting rights: 3.98%


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

Legal & General Group Plc (Direct and Indirect) (Group)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and
Indirect)

Legal & General Investment Management Limited (Indirect) (LGIM)

Legal & General Group Plc (Direct) (L&G) (7,087,510 - 3.98% = LGAS, LGPL and
PMC)

Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD)
(6,412,528 - 3.60% = PMC)

Legal & General Insurance Holdings Limited (Direct) (LGIH)

Legal & General Assurance (Pensions Management) Limited (PMC) (6,412,528 -
3.60% = PMC)

Legal & General Assurance Society Limited (LGAS & LGPL)

Legal & General Pensions Limited (Direct) (LGPL)

Proxy Voting:

(10). Name of the proxy holder:

N/A

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

N/A

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

N/A

(13). Additional information:

Notification using the total voting rights figure of 178,567,729

(14). Contact name:

Ms C Driscoll
For BlackRock Investment Management (UK) Limited
Secretary

(15). Contact telephone number:

020 7743 2427


6 April 2009