CALGRO M3 HOLDINGS LIMITED (Incorporated in the Republic of South Africa) (Registration number: 2005/027663/06) JSE Share code: CGR ISIN: ZAE000109203 (“Calgro” or “the Company”) APPOINTMENT OF GROUP COMPANY SECRETARY In accordance with paragraph 3.59 of the JSE Limited Listings Requirements, the board of directors of the Company (“the Board”) wishes to advise that Ms. Itumeleng April (“Tumi”), will step down as company secretary of the Company with effect from 1 September 2022. Tumi will remain at the Company and will transition into a wider senior legal function within the group. The Board wishes to advise that Juba Statutory Services (Pty) Ltd (“Juba Statutory Services”), represented by Mrs Sirkien van Schalkwyk (“Sirkien”), has been appointed as company secretary of the Company with effect from 1 September 2022. The Board is satisfied that Sirkien has the experience, qualifications and expertise to take up the position of company secretary of Calgro. Sirkien (BLC, LLB) has 20 years’ company secretarial experience and has acted as company secretary for a number of companies, including JSE listed companies. Juba Statutory Services was founded in 2010 by Sirkien, focussing on servicing a limited number of clients to ensure a high quality of service. The Board welcomes Sirkien and looks forward to her contribution to the Company and would like to thank Tumi for her valuable contribution during her tenure. Johannesburg 30 August 2022 Sponsor PSG Capital