ZINNWALD LITHIUM PLC — Proxy Solicitation & Information Statement 2026

May 18, 2026

National Storage Mechanism | Additional information

RNS Number : 5682E

Zinnwald Lithium PLC

18 May 2026

Zinnwald Lithium plc / EPIC: ZNWD.L / Market: AIM / Sector: Mining

18 May 2026

Zinnwald Lithium plc 

("Zinnwald Lithium" or the "Company")

Notice of 2026 AGM

Zinnwald Lithium plc, the German focused lithium development company, is pleased to announce that its Annual General Meeting ("AGM") will be held at 22A St James's Square, London, SW1Y 4JH on 10 June 2026 at 11.00 a.m.

The formal business of the AGM will only be to consider and vote upon the resolutions set out in the notice of meeting. The resolutions proposed at this AGM relate solely to matters in the ordinary course of business and are of a similar nature to those proposed at previous AGMs. The formal business of the AGM will not deal with any matters pertaining to the offer for the Company by AMG Critical Minerals N.V., details of which were announced on 14 May 2026.

A copy of the Annual Report and Financial Statement for the year ended 31 December 2025 is available for download at the Company's dedicated investor relations platform: https://investors.zinnwaldlithium.com/documents.

Documents will be posted to registered shareholders who have requested hard copy documents and also to shareholders who have joined the register since the last notice of AGM.

ENDS

To engage with us directly via our investor hub, please sign up at: https://investors.zinnwaldlithium.com/auth/signup

For further information visit www.zinnwaldlithium.com or contact:

Anton du Plessis Cherif Rifaat	Zinnwald Lithium plc	[email protected]
David Hart Liz Kirchner	Allenby Capital (Nominated Adviser)	+44 (0) 20 3328 5656
Michael Seabrook Adam Pollock	Oberon Capital Ltd (Joint Broker)	+44 (0) 20 3179 5300
Isabel de Salis Paul Dulieu	St Brides Partners (Financial PR)	[email protected]

Notes

AIM quoted Zinnwald Lithium plc (EPIC: ZNWD.L) is focused on becoming an important supplier of lithium hydroxide to Europe's fast-growing battery sector. The Company owns 100% of the Zinnwald Lithium Project in Germany, which has an approved mining licence, is located in the heart of Europe's chemical and automotive industries, and has the potential to be one of Europe's more advanced battery grade lithium projects.

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