AFROX/PRESMED - JOINT CAUTIONARY ANNOUNCEMENT

AFRICAN OXYGEN LIMITED
REGISTRATION NUMBER 05/00089/06
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
("AFROX")
PRESMED
MEDICAL CARE THAT MAKES SENSE.
PRESIDENT MEDICAL INVESTMENTS LIMITED
REGISTRATION NUMBER 85/01313/06
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
("PRESMED")
JOINT CAUTIONARY ANNOUNCEMENT

FURTHER TO THE SEPARATE CAUTIONARY ANNOUNCEMENTS PUBLISHED BY AFROX AND PRESMED
ON 11 MAY 1999, EQUITY HOLDERS ARE ADVISED THAT NEGOTIATIONS BETWEEN THE TWO
COMPANIES ARE CONTINUING, WHICH IF SUCCESSFULLY CONCLUDED MAY HAVE AN EFFECT ON
THE PRICE AT WHICH THE SECURITIES OF THE COMPANIES TRADE ON THE JOHANNESBURG
STOCK EXCHANGE.

ACCORDINGLY, AFROX AND PRESMED EQUITY HOLDERS ARE REQUESTED TO EXERCISE CAUTION
WHEN DEALING IN THEIR SECURITIES UNTIL A FURTHER ANNOUNCEMENT IS MADE.
JOHANNESBURG
31 MAY 1999
MERCHANT BANK TO AFROX
BOE - MERCHANT BANK

A DIVISION OF BOE BANK LIMITED CO.REG.NO. 51/00847/06
SPONSORING BROKER TO AFROX IN SOUTH AFRICA
HSBC
HSBC SIMPSON MCKIE (PTY) LIMITED

MEMBER OF THE JOHANNESBURG STOCK EXCHANGE REG.NO. 84/01736/07
MERCHANT BANK TO PRESMED
THE BUSINESS BANK
A NEW FORCE IN MERCHANT BANKING
SPONSORING BROKER TO AFROX IN NAMIBIA
HSBC

WIKUS HANEKOM. MEMBER NAMIBIA STOCK EXCHANGE TRADING AS HSBS SIMPSON MCKIE.
JOINT SPONSORING BROKERS TO PRESMED
PLJ FINANSIELE DIENSTE BEPERK
PLJ FINANCIAL SERVICES LIMITED

MEMBER OF THE JOHANNESBURG STOCK EXCHANGE REG.NO 69/13227/06
BOE SECURITIES

BOE SECURITIES (PTY) LTD. MEMBER OF THE JOHANNESBURG STOCK EXCHANGE. CO.REG.NO.
96/15589/07