Tharisa PLC

Report Publication Announcement • Nov 28, 2025

National Storage Mechanism | Additional information

RNS Number : 3190J

Tharisa PLC

28 November 2025

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')

Notification of annual results announcement for the year ended 30 September 2025

Tharisa will be announcing its results for the year ended 30 September 2025 on Monday, 1 December 2025. 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 FY2025 Annual Results via the Investor Meet Company platform on 1 December 2025 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

28 November 2025

JSE Sponsor

Investec Bank Limited

Connect with us on LinkedIn 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]

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 - delivering on expansion and growth opportunities, commercialising technology solutions

Tharisa is an integrated resource group playing a pivotal role in the global energy transition and the decarbonisation of economies. Leveraging innovation and technology, Tharisa covers the entire value chain-exploration, mining, processing, beneficiation, marketing, sales, and logistics-for platinum group metals (PGMs) and chrome concentrates. The multi-generational Tharisa Mine on the south-western limb of the Bushveld Complex, South Africa-one of the richest sources of PGMs and chrome globally, while development of the Karo Platinum Project, a tier-one PGM project on Zimbabwe's Great Dyke, further reinforces Tharisa's growth strategy. Investments in beneficiation, including chrome and PGM alloy production, add significant downstream value. Tharisa is committed to reducing carbon emissions by 30% by and the  sustainability roadmap targets net carbon neutrality by 2050. Through Redox One, Tharisa is advancing proprietary iron chromium redox flow battery technology, utilising the very commodities it mines to support long-duration energy storage-a key component in the transition to renewable energy.

Tharisa plc is listed on the Johannesburg Stock Exchange (JSE: THA) and the London Stock Exchange (LSE: THS, Equity Shares (Transition) Category).

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