Annual results announcement for the year ended 30 September 2023 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') Annual results announcement for the year ended 30 September 2023 Tharisa will be announcing its results for the year ended 30 September 2023 on Thursday, 14 December 2023. The announcement will be released on SENS by 08:00 (Johannesburg UTC +2) and RNS at 07:00 (London UTC). The audited annual financial statements, including the audit report, will be available for download on the Tharisa website at www.tharisa.com on Thursday, 14 December 2023. CEO Phoevos Pouroulis and CFO Michael Jones will provide a live presentation relating to the FY2023 Annual Results via the Investor Meet Company platform on 14 December 2023 at 10:30 (Johannesburg UTC +2) and 08:30 (London UTC). The presentation is open to all existing and potential shareholders. Investors can sign up to Investor Meet Company for free and add to meet Tharisa via: https://www.investormeetcompany.com/tharisa-plc/register-investor Investors who already follow Tharisa on the Investor Meet Company platform will automatically be invited. Paphos, Cyprus 13 December 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 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 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 Platinum, 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). Date: 13-12-2023 07:30:00 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.