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') Dealings in securities by a director of the Company In compliance with paragraph 3.63 of the JSE Limited Listings Requirements and pursuant to the announcement released on 9 June 2022, the following information relating to dealings in securities attributable to a director of the Company, is disclosed: Sale of shares relating to the exercise of Appreciation Rights granted on 30 June 2017 Shareholders are hereby advised of the sale of shares in the open market by the administrator of the Tharisa Share Award Plan (TSAP), on behalf of the following participant of the TSAP, resulting from the exercise and settlement of Appreciation Rights granted on 30 June 2017 announced on 9 June 2022. 1. Details of director/PDMR a. Name: Michael Gifford Jones 2. Reason for notification a. Position/status: Chief Finance Director b. Initial notification/amendment: Initial notification 3. Details of issuer a. Company name: Tharisa plc b. LEI: 213800WW4YWMVVZIJM90 4. Details of transaction a. Description of instrument: Ordinary shares of US$0.001 Identification code: CY0103562118 b. Nature of transaction On-market sale of shares c. Price and volume: Price: Volume: ZAR22.00 87 731 d. Aggregated information: Total Volume: ZAR1 930 082 87 731 e. Transaction date: 31 January 2023 f. Place of transaction: Johannesburg Stock Exchange Information disclosed in accordance with the JSE Listings Requirements Nature of interest: Direct, beneficial Clearance to deal: Yes Paphos, Cyprus 2 February 2023 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 / Oonagh Reidy +44 207 466 5000 tharisa@buchanan.uk.com Broker Contacts: Peel Hunt LLP (UK Joint Broker) Ross Allister / Georgia Langoulant +44 207 7418 8900 BMO Capital Markets Limited (UK Joint Broker) Thomas Rider / Nick Macann +44 207 236 1010 Berenberg (UK Joint Broker) Matthew Armitt / Jennifer Lee / 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 critical to the energy transition and decarbonisation of economies. It incorporates exploration, mining, processing and the beneficiation, marketing, sales, and logistics of PGMs and chrome concentrates, using innovation and technology as enablers. Its principal operating asset is the Tharisa Mine, located in the south-western limb of the Bushveld Complex, South Africa. The mechanised mine has an 18 year pit life and can extend operations underground by at least 40 years. Tharisa also owns Karo Mining Holdings a development stage, low-cost, open-pit PGM asset located on the Great Dyke in Zimbabwe. The Company is committed to reducing its carbon emissions by 30% by 2030 and the development of a roadmap is continuing to be net carbon neutral by 2050. Tharisa plc is listed on the Johannesburg Stock Exchange (JSE: THA) and the Main Board of the London Stock Exchange (LSE: THS).