'Purchase of Own Securities' - Replacement

Mercury World Mining Trust PLC
16 December 1999

REPLACEMENT

The Issuer has advised that the Mercury World Mining Trust PLC, 'Purchase of Own
Securities' announcement released today at 07:01 am under RNS No 6134C has been
withdrawn and should be disregarded.  The announcement duplicated information
which was released under RNS No 6118C.