LONMIN PLC

23 NOVEMBER 1999

FOLLOWING THE APPOINTMENT OF MR E H J STOYELL AS A DIRECTOR OF THE COMPANY ON
12 NOVEMBER 1999 MR STOYELL HAS TODAY NOTIFIED THE COMPANY IN ACCORDANCE WITH
SECTION 324 OF THE COMPANIES ACT THAT HE HAS THE FOLLOWING INTERESTS:

1. OPTIONS OVER ORDINARY SHARES OF GBP1 EACH OF LONMIN PLC UNDER THE FOLLOWING
OPTION SCHEME OF LONMIN PLC :

NAME OF          DATE OF      NO OF      SUBSCRIPTION    EXERCISE

SCHEME           GRANT        SHARES     PRICE           PERIOD

THE LONMIN       28.8.98      60,000     250.00P         28.8.2001 -

OVERSEAS &                                               28.8.2008

ASSOCIATE        14.2.95      2,113      490.0334P       14.2.1998 -

SHARE OPTION                                             14.2.2005

SCHEME 1994      20.7.94      2,113      408.6272P       20.7.1997 -

                                                         20.7.2004

THE EXERCISE OF THE OPTIONS IS SUBJECT TO PRIOR ATTAINMENT OF PERFORMANCE
CONDITIONS.

2. OPTIONS OVER 227,000 SHARES OF 3.5 CENTS EACH OF DUIKER MINING LIMITED, A
SOUTH AFRICAN LISTED SUBSIDIARY OF LONMIN PLC.