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')

CHANGE OF INDEPENDENT EXTERNAL AUDITORS - FY2024

In compliance with Section 3.75 of the Listings Requirements of the JSE Limited, the Board of Directors of Tharisa ("the Board") hereby announces that the Audit Committee has recommended, and the Board has endorsed, the proposed appointment of BDO Limited, incorporated in Cyprus ("BDO Cyprus"), with Terence Kiely being the designated audit partner, as external auditors of Tharisa for the financial year ending 30 September 2024. The appointment of BDO Cyprus will be put to shareholders of Tharisa at the Annual General Meeting scheduled for 21 February 2024.

The Company's incumbent external auditors, Ernst & Young Cyprus Limited ("EY Cyprus") have served as external auditors for six years and the designated registered auditor, Stavros Pantzaris, notified Tharisa that he was resigning as Executive Chairman of EY and as audit partner on the Tharisa account with effect from 31 December 2023. BDO Cyprus had been appointed as the external auditors of the Karo Mining Holdings plc and its subsidiaries effective from the financial year ended 30 September 2022 and the Board is of the opinion that consolidation of the external auditors across the Tharisa group would streamline the audit process going forward.

The Board thanks EY Cyprus for their diligence, commitment to excellence, attention to detail and professionalism, which have contributed to Tharisa's financial integrity and transparency over the past six years.

Paphos, Cyprus

23 January 2024

JSE Sponsor

Investec Bank Limited

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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

+44 207 418 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 mine has a 13-year open pit life and is strategically advancing the vast mechanised underground resource which extends for over 60 years. Tharisa is developing the Karo Platinum Project, a 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 to become net carbon neutral by 2050. As part of this energy transition, the 40 MW solar project adjacent to the Tharisa Mine is well advanced. Redox One is accelerating the development of a proprietary iron chromium redox flow long duration battery utilising the commodities we mine. Tharisa plc is listed on the Johannesburg Stock Exchange (JSE: THA) and the Main Board of the London Stock Exchange (LSE: THS).