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 2022

Tharisa will be announcing its results for the year ended 30 September 2022 on Monday,
5 December 2022. 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

CEO Phoevos Pouroulis and CFO Michael Jones will provide a live presentation relating to the FY2022 Annual Results via the Investor Meet Company platform on 5 December 2022 at 08:30 UTC/Johannesburg 10:30.

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

2 December 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

[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 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 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).