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 28 February 2020, Tharisa has 270 000 000 issued ordinary shares of US$0.001 each admitted to trading. During February 2020, Tharisa transferred 629 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, 266 610 951 shares have voting rights and 3 389 049 are held in treasury. The total number of voting rights in Tharisa is therefore 266 610 951. 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 2 March 2020 JSE Sponsor Investec Bank Limited 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 / James Husband +44 020 7466 5000 tharisa@buchanan.uk.com Broker contacts: Peel Hunt LLP (UK Joint Broker) Ross Allister / David McKeown +44 207 7418 8900 BMO Capital Markets Limited (UK Joint Broker) Thomas Rider / Neil Elliot / Michael Rechsteiner +44 020 7236 1010 Berenberg (UK Joint Broker) Matthew Armitt / Detlir Elezi +44 20 3207 7800 Nedbank Limited (acting through its Corporate and Investment Banking division) (RSA Broker) Shabbir Norath +27 11 295 6575 Date: 02-03-2020 07:10:00 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.