THARISA PLC - Tharisa plc Transaction in Own Shares

Tharisa plc Transaction in Own Shares

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')


THARISA PLC TRANSACTION IN OWN SHARES

Tharisa, the mining, metals, and innovation company dual-listed on the Johannesburg and London
stock exchanges, announces that, in accordance with the terms of its share repurchase programme
announced on 29 May 2025 (the 'Repurchase Programme'), it purchased the following number of
ordinary shares of USD0.001 each in the Company ('Ordinary Shares') through Peel Hunt LLP ('Peel
Hunt'). The Ordinary Shares purchased will be held in treasury for a period not exceeding two
calendar years from the repurchase date and, unless reissued, will be cancelled.

Purchases during the period 17 November 2025 to 21 November 2025

 Johannesburg Stock Exchange ('JSE') purchases
 Date of purchase                                                 17 November 2025 to 21 November 2025
 Aggregate number of Ordinary Shares purchased on JSE                                           10 400
 Lowest price paid per share:                                                               ZAR21.4000
 Highest price paid per share:                                                              ZAR22.0000
 Volume weighted average price paid per share:                                              ZAR21.6611

 The aggregate number of shares purchased on the JSE in terms of the Repurchase Programme since
 29 May 2025 is 339 538 shares at an average price of ZAR21.0512 per share and a total cost (including
 dealing and associated costs) of ZAR7 147 679.94.

 London Stock Exchange ('LSE') purchases
 Date of purchase                                                 17 November 2025 to 21 November 2025
 Aggregate number of Ordinary Shares purchased on LSE                                          313 375
 Lowest price paid per share:                                                              93.00 pence
 Highest price paid per share:                                                             97.28 pence
 Volume weighted average price paid per share:                                             95.84 pence

 The aggregate number of shares purchased on the LSE in terms of the Repurchase Programme since
 29 May 2025 is 3 204 694 shares at an average price of 89.87 pence per share and a total cost (including
 dealing and associated costs) of GBP2 879 989.66.


Following the purchases during this period, the Company has 302 596 743 Ordinary Shares in issue,
of which 8 895 121 Ordinary Shares are held in treasury.

The total number of voting rights in Tharisa is therefore 293 701 622. This figure may be used by
shareholders as the denominator for the calculations by which they will determine if they are
required to notify their interest in, or a change to their interest in, the Company under the FCA's
Disclosure Guidance and Transparency Rules.

The information contained in this update is the responsibility of the board of directors and has not
been reviewed or reported on by the Group's external auditors.

During any of Tharisa's closed periods, Peel Hunt will make trading decisions in relation to the
Company's securities independently of the Company. Any share purchases during these periods
will be undertaken within certain pre-set parameters and in accordance with the Company's
general authority to repurchase shares.

Paphos, Cyprus
24 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
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 - 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).

Date: 24-11-2025 03:00:00
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