Transfer of treasury shares and total voting rights 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') Transfer of treasury shares and total voting rights In compliance with the FCA’s Disclosure and Transparency Rule 5.6.1, Tharisa hereby notifies the market that as at 30 June 2021, Tharisa has 275 000 000 issued ordinary shares of US$0.001 each admitted to trading. During June 2021, Tharisa transferred 54 725 ordinary shares from its treasury shares account to satisfy the exercise of Appreciation Rights by the participants of the Tharisa Share Award Plan. Following these transactions, 269 157 056 shares have voting rights and 5 842 944 are held in treasury. The total number of voting rights in Tharisa is therefore 269 157 056. This figure may be used by shareholders as the denominator for the calculations by which they will determine whether they are required to notify their interest in, or a change in their interest in Tharisa under the FCA’s Disclosure and Transparency Rules. Paphos, Cyprus 1 July 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 beneficiation, 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 open pit, 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 London Stock Exchange (LSE: THS). Date: 01-07-2021 07:05:00 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.