TRANS HEX / GEM - JOINT CAUTIONARY ANNOUNCEMENT

TRANS HEX GROUP LIMITED
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
(REGISTRATION NUMBER 63/07579/06)
("TRANS HEX")
GEM DIAMOND MINING CORPORATION
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
(REGISTRATION NUMBER 86/04840/06)
("GEM")
JOINT CAUTIONARY ANNOUNCEMENT

SHAREHOLDERS OF TRANS HEX AND GEM ARE ADVISED THAT NEGOTIATIONS ARE CURRENTLY
IN PROGRESS BETWEEN THE COMPANIES, THE SUCCESSFUL OUTCOME OF WHICH MAY HAVE AN
EFFECT ON THE PRICE AT WHICH THE SECURITIES OF THE COMPANIES TRADE.

SHAREHOLDERS OF TRANS HEX AND GEM ARE ACCORDINGLY ADVISED TO EXERCISE CAUTION
WHEN DEALING IN THEIR SECURITIES ON THE RESPECTIVE EXCHANGES ON WHICH THE
SECURITIES OF THE COMPANIES ARE TRADED, UNTIL SUCH TIME AS A FURTHER
ANNOUNCEMENT IS MADE.
JOHANNESBURG
19 NOVEMBER 1999
SPONSORING BROKER TO TRANS HEX IN SOUTH AFRICA
DEUTCHE BANK SECURITIES (PROPRIETARY) LIMITED
(REGISTRATION NUMBER 73/06709/07)
MEMBER OF THE JOHANNESBURG STOCK EXCHANGE
SPONSORING BROKER TO TRANS HEX IN NAMIBIA
JOLYON IRWIN
MERCHANT BANK TO GEM
BOE MERCHANT BANK
A DIVISION OF BOE BANK LIMITED
CO. REG. NO. 51/00847/06
SPONSORING BROKER TO GEM
BOE SECURITIES (PTY) LTD
MEMBER OF THE JOHANNESBURG STOCK EXCHANGE
CO. REG. NO. 96/15589/07