Incorporated in Guernsey. Guernsey registration Number: 47656 South African external company registration number 2009/012636/10 Share code on JSE: GML / AIM: GEM ISIN: GG00BG0KTL52 | LEI: 21380017GAVXTCYS5R31 ("Gemfields" or the "Company") TR-1: Standard form for notification of major holdings NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible) i ISIN No: GG00BG0KTL52 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are at- Gemfields Group Limited tached ii: 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) UK issuer 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) An acquisition or disposal of voting rights X An acquisition or disposal of financial instruments An event changing the breakdown of voting rights Other (please specify) iii: 3. Details of person subject to the notification obligation iv Name Assore International Holdings Limited City and country of registered office (if applicable) London, United Kingdom 4. Full name of shareholder(s) (if different from 3.) v Name Assore International Holdings Limited City and country of registered office (if applicable) Winchester, United Kingdom 5. Date on which the threshold was crossed or 18 October 2023 reached vi: 6. Date on which issuer notified (DD/MM/YYYY): 1 November 2023 7. Total positions of person(s) subject to the notification obligation % of voting rights Total number of % of voting rights at- through financial instru- Total of both in % voting rights held tached to shares (to- ments (8.A + 8.B) in issuer (8.A + tal of 8. A) (total of 8.B 1 + 8.B 2) 8.B) vii Resulting situation on the date on which threshold was 28.269% 28.269% 340,367,121 crossed or reached Position of previous notification (if 27.23% 27.23% 328,147,940 applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii A: Voting rights attached to shares Class/type of Number of voting rights ix % of voting rights shares ISIN code (if possible) Direct Indirect Direct Indirect (DTR5.1) (DTR5.2.1) (DTR5.1) (DTR5.2.1) GG00BG0KTL52 340,367,121 28.269% SUBTOTAL 8. A B 1: Financial Instruments according to DTR5.3.1R (1) (a) Number of voting rights Type of financial in- Expiration Exercise/ that may be acquired if % of voting rights strument date x Conversion Period xi the instrument is exercised/converted. SUBTOTAL 8. B 1 B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b) Exercise/ Physical or Type of financial Expiration Number of Conversion Pe- cash % of voting rights instrument date x voting rights riod xi Settlement xii SUBTOTAL 8.B.2 9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”) Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity X (please add additional rows as necessary) xiv % of voting rights % of voting rights if it Total of both if it through financial in- equals or is higher equals or is higher Name xv struments if it equals than the notifiable than the notifiable or is higher than the threshold threshold notifiable threshold Assore Holding Proprie- 28.269% 28.269% tary Limited Assore International 28.269% 28.269% Holdings Limited 10. In case of proxy voting, please identify: Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional information xvi Place of completion Winchester Date of completion 18 October 2 November 2023 Sponsor: Investec Bank Limited