Notification of Major Shareholding

About this update from Savannah Resources Plc

  21 November 2025                                                                    Savannah Resources Plc (AIM: SAV, FWB: SAV and SWB: SAV) ('Savannah', or the 'Company')   Notification of Major Shareholding   An Event Changing the Breakdown of Voting Rights   Savannah Resources Plc, the developer of the Barroso Lithium Project (the 'Project') in Portugal, a 'Strategic Project' under the European Critical Raw Materials Act and Europe's largest spodumene lithium deposit, announces that it has received the following TR-1 notification in relation to an acquisition of shares by Optimize Portugal Golden Opportunities Fund - Fundo de Investimento Mobiliário Aberto, presented below. TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00B647W791 Issuer Name SAVANNAH RESOURCES PLC UK or Non-UK Issuer UK   2. Reason for Notification An acquisition or disposal of voting rights     3. Details of person subject to the notification obligation Name Optimize Portugal Golden Opportunities Fund - Fundo de Investimento Mobiliário Aberto City of registered office (if applicable) Lisbon   Country of registered office (if applicable) Portugal     4. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above   City of registered office (if applicable)   Country of registered office (if applicable)     5. Date on which the threshold was crossed or reached 12 November 2025   6. Date on which Issuer notified  20 November 2025   7. Total positions of person(s) subject to the notification obligation   % of voting rights attached to shares (total of 8.A) % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights held in issuer Resulting situation on the date on which threshold was crossed or reached 5.2154 0.000000 5.2154 134,253,468 Position of previous notification (if applicable)   8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares   Class/Type of shares ISIN code(if possible) Number of direct voting rights (DTR5.1) Number of indirect voting rights (DTR5.2.1) % of direct voting rights (DTR5.1) % of indirect voting rights (DTR5.2.1) GB00B647W791 134,253,468 5.2154% Sub Total 8.A 134,253,468 5.2154%   8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))   Type of financial instrument Expiration date Exercise/conversion period Number of voting rights that may be acquired if the instrument is exercised/converted % of voting rights   Sub Total 8.B1   8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))   Type of financial instrument Expiration date Exercise/conversion period Physical or cash settlement Number of voting rights % of voting rights   Sub Total 8.B2   9. Information in relation to the person subject to the notification obligation 1. Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. Ultimate controlling person Name of controlled undertaking % of voting rights if it equals or is higher than the notifiable threshold % of voting rights through financial instruments if it equals or is higher than the notifiable threshold Total of both if it equals or is higher than the notifiable threshold     10. In case of proxy voting   Name of the proxy holder   The number and % of voting rights held   The date until which the voting rights will be held   11. Additional Information     12. Date of Completion 20 November 2025   13. Place Of Completion Lisbon, Portugal     Savannah - Enabling Europe's energy transition. **ENDS** Follow @SavannahRes on X Follow Savannah Resources on LinkedIn   For further information please visit www.savannahresources .com or contact:   Savannah Resources PLC Emanuel Proença, CEO Tel: +44 20 7117 2489   SP Angel Corporate Finance LLP (Nominated Advisor & Joint Broker) David Hignell/ Charlie Bouverat (Corporate Finance) Grant Barker/Abigail Wayne (Sales & Broking)   Tel: +44 20 3470 0470     Canaccord Genuity Limited (Joint Broker) James Asensio / Charlie Hammond (Corporate Broking) Ben Knott (Sales) Tel: +44 20 7523 8000     Savannah Resources PLC (Portugal Media Relations) Antonio Neves Costa, Communications Manager   Tel: +351 962 678 912       About Savannah Savannah Resources is a mineral resource development company and the sole owner of the Barroso Lithium Project (the 'Project') in northern Portugal. The Project is the largest battery-grade spodumene lithium resource outlined to date in Europe and was classified as a 'Strategic Project' by the European Commission under the Critical Raw Materials Act in March 2025.   Through the Project, Savannah will help Portugal to play an important role in providing a long-term, locally sourced, lithium raw material supply for Europe's lithium battery value chain. Once in operation, the Project will produce enough lithium for at least half a million vehicle battery packs per year and hence ensure that Europe reaches the European Commission's Critical Raw Material Act goal of a minimum 10% of European endogenous lithium production from 2030. Savannah is focused on the responsible development and operation of the Barroso Lithium Project so that its impact on the local environment is minimised, and that its impact on the global energy transition and the socio-economic benefits that it can bring to all its stakeholders are both maximised.   The Company is listed and regulated on the AIM Market of the London Stock Exchange and trades under the ticker "SAV".    

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