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 Executive Chairman and CEO In compliance with paragraph 3.63 of the JSE Limited Listings Requirements, the following information relating to dealings in securities attributable to the directors is disclosed: 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 On-market purchase of shares c. Price and volume: Price: Volume: ZAR21.00 25 000 d. Aggregated information: Total 25 000 ZAR525 000.00 e. Transaction date: 31 August 2022 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: 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 On-market purchase of shares c. Price and volume: Price: Volume: Lowest traded price per share: ZAR20.50 ZAR20.9232 25 000 Weighted average price per share: ZAR20.9232 Highest traded price per share ZAR21.00 d. Aggregated information: Total 25 000 ZAR523 080.00 e. Transaction date: 1 September 2022 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: 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 On-market purchase of shares c. Price and volume: Price: Volume: Lowest traded price per share: ZAR20.50 ZAR20.9860 20 000 Weighted average price per share: ZAR20.9860 Highest traded price per share ZAR21.00 d. Aggregated information: Total 20 000 ZAR419 720.00 e. Transaction date: 5 September 2022 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: 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 On-market purchase of shares c. Price and volume: Price: Volume: ZAR21.00 25 000 d. Aggregated information: Total 25 000 ZAR525 000.00 e. Transaction date: 31 August 2022 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: 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 On-market purchase of shares c. Price and volume: Price: Volume: Lowest traded price per share: ZAR20.50 ZAR20.9232 25 000 Weighted average price per share: ZAR20.9232 Highest traded per share ZAR21.00 d. Aggregated information: Total 25 000 ZAR523 080.00 e. Transaction date: 1 September 2022 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: 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 On-market purchase of shares c. Price and volume: Price: Volume: Lowest traded price per share: ZAR20.50 ZAR20.98 20 000 Weighted average price per share: ZAR20.98 Highest traded price per share ZAR21.00 d. Aggregated information: Total 20 000 ZAR419 600.00 e. Transaction date: 5 September 2022 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 6 September 2022 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 / Ariadna Peretz +44 207 466 5000 tharisa@buchanan.uk.com Broker Contacts: Peel Hunt LLP (UK Joint Broker) Ross Allister / David McKeown / Alexander Allen +44 207 7418 8900 BMO Capital Markets Limited (UK Joint Broker) Thomas Rider / Pascal Lussier Duquette / 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 mining, processing, exploration, 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 a 20-year open-pit life and the ability to extend operations underground by at least an additional 40 years. Tharisa also owns Karo Mining Holdings and Salene Chrome, development stage, low-cost, open-pit PGM and chrome assets respectively, 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).