recommended acquisition of mim holdings limited and rights issue supplementary prospectus 17 april 2003 xstrata plc bahnhofstrasse 2 po box 102 6301 zug switzerland tel 41 726 6070 fax 6089 www com circular cover ver3 4 03 38 pm page 1 this document is important requires your immediate attention if you are in any doubt about the action to be taken seek own personal financial advice immediately from stockbroker solicitor accountant or other independent adviser duly authorised under services markets act 2000 sell have sold otherwise transferred all holding ordinary shares than ex certificated form before 9 may date please forward as soon possible purchaser transferee bank agent through whom sale transfer was effected for delivery registered held uncertificated a claim transaction will automatically generated by