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')

Results of the Annual General Meeting and dividend conversion rates and timetable

Shareholders are advised that all the resolutions tabled at the Annual General Meeting of shareholders held on Wednesday, 22 February 2023 (in terms of the notice dispatched on Thursday, 22 December 2022), were passed by the requisite majority. A poll was conducted on each resolution.

Details of the results of voting at the Annual General Meeting are as follows:

Total number of shares in issue on 22 February 2023: 302 596 743

Total number of shares entitled to vote at the Annual General Meeting: 299 901 330

Dividend currency conversion rates and timetable

The final dividend of US 4.0 cents per share having been approved by shareholders, Tharisa advises as follows:

Shareholders on the principal Cyprus register will be paid in US$, shareholders whose shares are held through Central Securities Depositary Participants (CSDPs) and brokers and are traded on the JSE will be paid in South African Rand (ZAR) and holders of Depositary Interests traded on the LSE will be paid in Sterling (GBP). The dividend will be paid from income reserves and may therefore be subject to dividend withholding tax depending on the tax residency of the shareholder.

The currency equivalents of the dividend, based on the weighted average of the South African Reserve Bank's daily rate at approximately 10:30 (UTC +2) on 5 December 2022, being the currency conversion date, are as follows:

The timetable for payment of the dividend is as follows:

No dematerialisation or rematerialisation of shares within Strate will be permitted between Wednesday, 1 March 2023 and Friday, 3 March 2023, both days inclusive. No transfers between registers will be permitted between Thursday, 23 February 2023 and Friday, 3 March 2023, both days inclusive.

Tax implications of the dividend

Shareholders and Depositary Interest holders should note that information provided should not be regarded as tax advice.

Shareholders are advised that the dividend declared will be paid out of income reserves and may therefore be subject to dividend withholding tax depending on the tax residency of the shareholder.

South African tax residents

South African shareholders are advised that the dividend constitutes a foreign dividend. For individual South African tax resident shareholders, dividend withholding tax of 20% will be applied to the gross dividend of 69.03480 South African cents per share. Therefore, the net dividend of 55.22784 South African cents per share will be paid after 13.80696 South African cents in terms of dividend withholding tax has been applied. Shareholders who are South African tax resident companies are exempt from dividend tax and will receive the dividend of 69.03480 South African cents per share. This does not constitute legal or tax advice and is based on taxation law and practice in South Africa. Shareholders should consult their brokers, financial and/or tax advisors with regard to how they will be impacted by the payment of the dividend.

UK tax residents

UK tax residents are advised that the dividend constitutes a foreign dividend and that they should consult their brokers, financial and/or tax advisors with regard to how they will be impacted by the payment of the dividend.

Cyprus tax residents

Individual Cyprus tax residents are advised that the dividend constitutes a local dividend and that they should consult their brokers, financial and/or tax advisors with regard to how they will be impacted by the payment of the dividend.

Additional information required by the JSE Listing Requirements

Tharisa has a total of 302 596 743 ordinary shares in issue on 22 February 2023, of which 299 901 330 carry voting rights and are eligible to receive dividends.

Paphos, Cyprus

23 February 2023

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

[email protected]

Financial PR Contacts:

Bobby Morse / Oonagh Reidy

+44 207 466 5000

[email protected]

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).