Purchase of Own Secs-Replmnt

Mercury World Mining Trust PLC
5 April 2000

The issuer has made the following amendment to the 'Purchase of Own Securities'
announcement released today at 07:01 under RNS No 5093I.

The announcement referred to an incorrect purchase date of 4th March 2000. This
should have read 4th April 2000. 

All other details remain unchanged, except the date of notification.

The full corrected version is shown below.
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PURCHASE OF OWN ORDINARY SHARES IN THE MARKET

1. Date of the purchase: 4th April 2000

2. Number of Ordinary Shares purchased:     1,000,000
          
3. Highest and lowest price paid per share: 79p
  (excluding expenses)                      

4. The issued share capital of the Company following this buy-back will be 

   Ordinary shares     182,699,852
   
                                         
5 Name of contact for queries: Miss T A Bennett
                               020 7220 5307

6. Name of authorised Company official responsible for this      
   notification: Miss T A Bennett
                 for Mercury Asset Management 
                 Group Services Ltd
                 Secretary

6. Date of Notification: 5th April 2000