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 directors and company secretary of Tharisa and directors of major subsidiaries In compliance with paragraph 3.63 of the JSE Limited Listings Requirements, Tharisa hereby advises shareholders of the vesting and settlement of Conditional Awards on 30 June 2023, in accordance with the rules of the Tharisa Share Award Plan (TSAP). The vesting percentages, based on the conditions attached to the awards, were finalised on 7 July 2023. In terms of the rules of the TSAP, tax obligations arising on the vesting date are for the account of the participant and a decision has been taken to settle the tax liability of participants in cash, with the net balance being equity settled. Vesting and settlement of Conditional Awards granted on 30 June 2020 1. Details of director/PDMR a. Name: Loucas Pouroulis 2. Reason for notification a. Position/status: Executive Chairman 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 21 209 d. Aggregated information: Total Volume: ZAR392 366.50 21 209 e. Transaction date: 6 July 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 1. Details of director/PDMR a. Name: Phoevos Pouroulis 2. Reason for notification a. Position/status: Executive director – Chief Executive Officer 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 23 307 d. Aggregated information: Total Volume: ZAR431 179.50 23 307 e. Transaction date: 6 July 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 1. Details of director/PDMR a. Name: Michael Gifford Jones 2. Reason for notification a. Position/status: Executive director – Chief Finance Officer 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 12 679 d. Aggregated information: Total Volume: ZAR234 561.50 12 679 e. Transaction date: 6 July 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 1. Details of director/PDMR a. Name: Sanet Findlay 2. Reason for notification a. Position/status: Group Company Secretary 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 3 096 d. Aggregated information: Total Volume: ZAR57 276.00 3 096 e. Transaction date: 6 July 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 1. Details of director/PDMR a. Name: Michelle Louise Taylor 2. Reason for notification a. Position/status: Executive director – Tharisa Minerals (Pty) Ltd 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 10 510 d. Aggregated information: Total Volume: ZAR194 435.00 10 510 e. Transaction date: 6 July 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 1. Details of director/PDMR a. Name: Marios Tavros 2. Reason for notification a. Position/status: Executive director – Arxo Resources Limited 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 Off-market vesting and settlement of Conditional Awards in shares c. Price and volume: Price: Volume: ZAR18.50* per share 8 900 d. Aggregated information: Total Volume: ZAR164 650 8 900 e. Transaction date: 6 July 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 * Using the closing market price of ZAR18.50 on 30 June 2023 Paphos, Cyprus 7 July 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 low-cost, open-pit PGM asset under construction and 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).