TR-1: Standard form for notification of major holdings Tharisa plc (Incorporated in the Republic of Cyprus with limited liability) (Registration number HE223412) JSE share code: THA LSE share code: THS A2X share code: THA ISIN: CY0103562118 LEI: 213800WW4YWMVVZIJM90 ('Tharisa' or the 'Company') Notification of major holdings 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 1a. Identity of the issuer or the underlying issuer of ex- Tharisa plc isting shares to which voting rights are attachedii: 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) Non-UK issuer X 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 obligationiv Name Rance Holdings Limited City and country of registered office (if applicable) British Virgin Islands 4. Full name of shareholder(s) (if different from 3.)v Name City and country of registered office (if applicable) 5. Date on which the threshold was crossed or reachedvi: 9 April 2021 6. Date on which issuer notified (DD/MM/YYYY): 12 April 2021 7. Total positions of person(s) subject to the notification obligation % of voting rights % of voting rights at- through financial instru- Total of both in % (8.A Total number of vot- tached to shares (total ments + 8.B) ing rights of issuervii of 8. A) (total of 8.B 1 + 8.B 2) Resulting situation on the date on which 14.864% 0.00% 14.864% 269 059 931 threshold was crossed or reached Position of previous notification (if 15.052% 0.00% 15.052% applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii A: Voting rights attached to shares Class/type of Number of voting rightsix % of voting rights shares ISIN code (if possible) Direct Indirect Direct Indirect (Art 9 of Directive (Art 10 of Directive (Art 9 of Directive 2004/109/EC) (Art 10 of Directive 2004/109/EC) (DTR5.1) 2004/109/EC) (DTR5.2.1) (DTR5.1) 2004/109/EC) (DTR5.2.1) CY0103562118 39 994 143 14.864% SUBTOTAL 8. A 39 994 143 14.864% B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a)) Number of voting rights that Type of financial instru- Expiration Exercise/ may be acquired if the in- % of voting rights ment datex Conversion Periodxi strument is exercised/converted. SUBTOTAL 8. B 1 B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b)) Type of financial Expiration Exercise/ Physical or cash Number of vot- Conversion Period % of voting rights instrument datex xi settlementxii ing rights 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 entityxiv (please X add additional rows as necessary) % of voting rights through % of voting rights if it Total of both if it equals or financial instruments if it Namexv equals or is higher than is higher than the notifia- equals or is higher than the notifiable threshold ble threshold the notifiable threshold Rance Holdings Limited 14.864% 0.00% 14.864% 10. In case of proxy voting, please identify: Name of the proxy holder N/A The number and % of voting rights held N/A The date until which the voting rights will be held N/A 11. Additional informationxvi Place of completion Hong Kong Date of completion 12 April 2021 Paphos, Cyprus 13 April 2021 JSE Sponsor Investec Bank Limited Connect with us on LinkedIn and Twitter to get further news and updates about our business. Investor relations contacts: Ilja Graulich (Head of Investor Relations and Communications) +27 11 996 3500 +27 83 604 0820 igraulich@tharisa.com Financial PR contacts: Bobby Morse / Augustine Chipungu / James Husband +44 207 466 5000 tharisa@buchanan.uk.com Broker contacts: Peel Hunt LLP (UK Joint Broker) Ross Allister / David McKeown / Alexander Allen +44 207 7418 8900 BMO Capital Markets Limited (UK Joint Broker) Thomas Rider / Pascal Lussier Duquette / Nick Macann +44 207 236 1010 Berenberg (UK Joint Broker) Matthew Armitt / Jennifer Wyllie / Detlir Elezi +44 203 207 7800 Nedbank Limited (acting through its Corporate and Investment Banking division) (RSA Broker) Carlyle Whittaker +27 11 294 0061 About Tharisa Tharisa is an integrated resource group incorporating mining, processing, exploration and the beneficia- tion, marketing, sales and logistics of PGMs and chrome concentrates. Its principal asset is the Tharisa Mine located in the South-Western Limb of the Bushveld complex, South Africa. The mechanised mine has a 14-year open pit life of mine (LOM) and the ability to extend operations underground by at least 40 years. Tharisa is listed on the Johannesburg Stock Exchange (JSE: THA) and the Main Market of the Lon- don Stock Exchange (LSE: THS). Date: 13-04-2021 03:00:00 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.