LONMIN PLC

24 AUGUST 1999

LONMIN PLC HAS TODAY BEEN NOTIFIED BY MERCURY ASSET MANAGEMENT LIMITED (MAM) OF
33 KING WILLIAM STREET, LONDON EC4R 9AS IN ACCORDANCE WITH SECTIONS 198-202 (AS
AMENDED) OF THE COMPANIES ACT 1985 THAT THERE HAS BEEN A CHANGE OF

CIRCUMSTANCES AFFECTING THE INTERESTS WHICH MAM DISCLOSED TO THE COMPANY ON 17
AUGUST 1999 AND THAT MAM NOW HAS A DISCLOSABLE INTEREST IN 20,942,770 ORDINARY
SHARES OF GBP1 EACH OF THE COMPANY (REPRESENTING 13.12 PER CENT OF THE ISSUED
SHARE CAPITAL) AS DETAILED BELOW. SAVE WHERE SPECIFICALLY IDENTIFIED TO THE
CONTRARY SUCH INTERESTS ARISE BY REASON OF DISCRETIONARY INVESTMENT MANAGEMENT
ARRANGEMENTS ENTERED INTO BY MAM OR BY ITS AFFILIATES IN THE MERCURY ASSET
MANAGEMENT GROUP. EACH SUCH AFFILIATE IS INTERESTED IN THE RELEVANT SHARE
CAPITAL TO THE EXTENT SET OUT BELOW AND WHERE APPLICABLE THE NOTIFICATION
CONSTITUTES DISCLOSURE ON BEHALF OF SUCH AFFILIATES.

REGISTERED HOLDER                              NO OF SHARES     BENEFICIAL
(IF KNOWN)                                                      INTERESTS
                                                                (YES/NO)
NUTRACO NOMINEES LIMITED                       14,553,083       NO
(DESIGNATED & UNDESIGNATED)

WIMCO NOMINEES LIMITED                         165,000          YES

MERCURY LIFE NOMINEES LIMITED                  246,628          YES
A/C NONCERT

BARCLAYS NOMINEES (LOMBARD                     1,897,000        NO
STREET) LIMITED

CORPORATION OF LLOYDS                          25,750           NO

NORTRUST NOMINEES LIMITED                      958,500          NO

BANK OF NEW YORK (NOMINEES)                    443,750          NO
LIMITED

CHASE NOMINEES LIMITED                         636,750          NO

RBSTB NOMINEES LIMITED                         363,500          NO

VIDACOS NOMINEES LIMITED                       698,809          NO

STATE STREET NOMINEES LIMITED                  125,000          NO

OTHER NAMES                                    826,000          NO

TOTAL                                          20,942,770