Arxo Metals to operate Western Platinum’s K3 chrome plant, market and sell UG2 chrome concentrate 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) Arxo Metals to operate Western Platinum’s K3 chrome plant, market and sell UG2 chrome concentrate Arxo Metals Proprietary Limited (Arxo Metals), a producer of specialised higher margin chemical and foundry grade chrome concentrates and a subsidiary of Tharisa, has entered into an agreement with Western Platinum Limited, a subsidiary of Lonmin Plc, on the operation of its K3 UG2 chrome plant (K3) and for the marketing and sales of the UG2 chrome concentrate produced. The agreement is effective as of 29 August 2017. Arxo Metals will unlock greater value for Lonmin from K3 using innovative technology already in use at Tharisa’s operations, where chrome recoveries for the six months to 31 March 2017 improved to 68.4% with a target recovery of 65%. The agreement is in line with Tharisa’s strategic objective of initiating third-party trading, adding approximately 200 kt to chrome sales annually. “The marketing and sales of UG2 chrome from K3 expands the basket of chrome concentrates sold by Tharisa and leverages off its established logistics and marketing platforms,” said Tharisa CEO Phoevos Pouroulis. Paphos, Cyprus 31 August 2017 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/ Chris Burrows +44 207 7418 8900 BMO Capital Markets Limited (Joint Broker) Jeffrey Couch/Neil Haycock/Thomas Rider +44 020 7236 1010 Financial PR contacts: Buchanan +44(0) 20 7466 5000 tharisa@buchanan.uk.com Date: 31/08/2017 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.