Purchase of Own Securities

MERCURY WORLD MINING TRUST PLC 20 August 1999 PURCHASE OF OWN ORDINARY SHARES IN THE MARKET 1. Date of the purchase: 19th August 1999 2. Number of Ordinary Shares purchased: 2,250,000 3. Highest and lowest price paid per share: 86.5p (excluding expenses) 4. The issued share capital of the Company following this buy-back will be Ordinary shares 194,424,852 5 Name of contact for queries: Miss A J Marsh 0171 220 5430 6. Name of authorised Company official responsible for this notification: Miss A J Marsh for Mercury Asset Management Group Services Ltd Secretary 6. Date of Notification: 19th August 1999
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