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 ISIN CY0103562118 (Tharisa) 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 April 2018, Tharisa has 261 000 000 issued ordinary shares of US$0.001 each admitted to trading. During April 2018, Tharisa transferred 18 660 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, 260 212 460 shares have voting rights and 787 540 are held in treasury. The total number of voting rights in Tharisa is therefore 260 212 460. 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 May 2018 JSE Sponsor Investec Bank Limited Investor Relations contact: Tharisa plc Sherilee Lakmidas +27 11 996 3538 +27 79 276 2529 slakmidas@tharisa.com Broker contacts: Peel Hunt LLP (Joint Broker) Ross Allister/James Bavister +44 207 7418 8900 BMO Capital Markets Limited (Joint Broker) Jeffrey Couch/Neil Haycock/Thomas Rider +44 020 7236 1010 Financial PR contacts: Bobby Morse/Anna Michniewicz +44(0) 20 7466 5000 tharisa@buchanan.uk.com Date: 02/05/2018 08:00:00 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.