POWERTECH/BIDVEST/VOLTEX - POOL AGREEMENT

POWER TECHNOLOGIES LIMITED
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
(REGISTRATION NUMBER 05/22346/06)
("POWERTECH")
THE BIDVEST GROUP LIMITED
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
(REGISTRATION NUMBER 05/21180/06)
("BIDVEST")
VOLTEX HOLDINGS LIMITED
(INCORPORATED IN THE REPUBLIC OF SOUTH AFRICA)
(REGISTRATION NUMBER 81/06220/06)
("VOLTEX")

POOL AGREEMENT BETWEEN POWERTECH AND BIDVEST AND RESULTS OF THE STANDBY OFFER
TO MINORITY SHAREHOLDERS OF VOLTEX SHAREHOLDERS ARE REFERRED TO THE JOINT
ANNOUNCEMENT AND STANDBY OFFER MADE BY BIDVEST AND POWERTECH TO ACQUIRE THE
SHARES HELD BY THE MINORITY SHAREHOLDERS OF VOLTEX AT A PRICE OF 200 CENTS PER
SHARE, PUBLISHED IN THE PRESS ON WEDNESDAY 21 APRIL 1999. THIS OFFER OPENED ON
WEDNESDAY 21 APRIL 1999 AND CLOSED ON WEDNESDAY 12 MAY 1999.

IN TERMS OF THE STANDBY OFFER AND THE POOLING AGREEMENT, BIDVEST ACQUIRED 399
500 VOLTEX SHARES. CONSEQUENTLY THE SHAREHOLDING OF BIDVEST IN VOLTEX HAS
INCREASED TO 38 133 212 SHARES (29,733%). THE SHAREHOLDING OF POWERTECH,
TOGETHER WITH ALLIED ELECTRONICS CORPORATION LIMITED (ALTRON) AND CONCERT
PARTIES HAS REMAINED AT 33,528%. ACCORDINGLY AND IN TERMS OF THE POOL AGREEMENT
THE PARTIES HAVE EACH POOLED 38 133 212 SHARES, BEING A TOTAL OF 76 266 424
SHARES (59,466%) OF THE ISSUED SHARE CAPITAL OF VOLTEX. THE BALANCE OF THE
SHARES HELD BY ALTRON AND CONCERT PARTIES FALLS OUTSIDE THE POOL AGREEMENT.
JOHANNESBURG
17 MAY 1999

SPONSORING BROKERS:      MERRILL LYNCH SMITH BORKUM HARE

                         REGISTRATION NUMBER 95/01805/07

                         MEMBER OF THE JOHANNESBURG STOCK EXCHANGE

                         HSBC SIMPSON MCKIE (PTY)LIMITED

                         MEMBER OF THE JOHANNESBURG STOCK EXCHANGE
                         REG. NO. 84/01736/07

                         SG FRANKEL POLLAK SECURITIES (PTY)LTD
                         REG. NO. 96/05886/07

                         MEMBER OF THE JOHANNESBURG STOCK EXCHANGE
ATTORNEYS TO BIDVEST     WERKMANS ATTORNEYS
ATTORNEYS TO POWERTECH   HR LEVIN

MERCHANT BANKERS TO BIDVEST    INVESTEC BANK LIMITED

                         (REGISTRATION NUMBER 69/04763/06)

MERCHANT BANKERS TO POWERTECH  STANDARD CORPORATE AND MERCHANT BANK

                         (A DIVISION OF THE STANDARD BANK OF SOUTH AFRICA
                         LIMITED)

                         (REGISTRATION NUMBER 62/00738/06)