Joint Finalisation Announcement in respect of the Mandatory Offer Bauba Resources Limited Raubex Group Limited Incorporated in the Republic of South Africa (Incorporated in the Republic of South Africa) (Registration number: 1986/004649/06) (Registration number: 2006/023666/06) Share code: BAU ISIN: ZAE000145686 Share code: RBX ISIN: ZAE000093183 ("Bauba") JOINT FINALISATION ANNOUNCEMENT IN RESPECT OF THE MANDATORY OFFER Unless expressly defined in this announcement, or the context indicates otherwise, capitalised terms herein have the meanings given to them in the combined circular distributed to Shareholders on Friday, 25 March 2022 ("Circular"). 1. Introduction Shareholders are referred to the joint announcement regarding the extension of the Closing Date of the Offer released on SENS on Monday, 23 May 2022. Shareholders are reminded again that the Condition Precedent to the Offer has been fulfilled and that acceptances of the Offer will be settled in accordance with the Important Dates and Times below. 2. Important Dates and Times Shareholders are reminded of the important dates and times in relation to the Offer, which are set out in the table below: 2022 Last Day to Trade for Shareholders wishing to accept Tuesday, 7 June the Offer Shares trade "ex" the Offer Wednesday, 8 June Closing Date of Offer at 12:00 Friday, 10 June Record Date for Offer Friday, 10 June Results of Offer to be announced on SENS Monday, 13 June Payment Date Monday, 13 June Notes: • No Dematerialisation or rematerialisation of Shares will take place between the trading ex-date, Wednesday, 8 June 2022 and the Record Date for the Offer, Friday, 10 June 2022 (both days inclusive). • Offerees should note that acceptance of the Offer will be irrevocable. • All times referred to in this announcement are references to South African Standard Time. 3. Raubex Responsibility Statement The Raubex board of directors accepts responsibility for the information contained in this announcement insofar as it relates to Raubex. To the best of its knowledge and belief, such information contained herein is true and nothing has been omitted which is likely to affect the importance of such information. 4. Independent Board Responsibility Statement The Independent Board accepts responsibility for the information contained in this announcement insofar as it relates to Bauba. To the best of its knowledge and belief, such information contained herein is true and nothing has been omitted which is likely to affect the importance of such information. Johannesburg 30 May 2022 Sponsor to Bauba Legal advisor to Bauba Merchantec Capital Webber Wentzel Financial advisor and sponsor to Raubex Legal advisor to Raubex Investec DLA Piper Date: 30-05-2022 09:00:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.