Ovoca Bio Plc (to be renamed Talisman Metals PLC)

("Talisman" or the "Company")

Name and TIDM Change

Dublin, Ireland, 5 February 2026 - Talisman announces it has now received approval from the Companies Registration Office for its name change to Talisman Metals PLC after a shareholder vote on 27 January 2026 approving such change. As such, on 6 February 2026 it is expected that trading in the name Talisman Metals PLC on AIM with the TIDM 'TLM' will become effective.

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For further information:

Talisman Metals PLC

Tim McCutcheon (Chief Executive Officer)

Tel +353 (0) 1 525 6710

[email protected]

Beaumont Cornish Limited (Nominated Adviser)

James Biddle / Roland Cornish

Tel: +44 (0) 207 628 3396

CMC Markets UK Plc (Broker)

Thomas Smith / Thomas Curran

Tel: +44 (0) 20 3003 8255

BlytheRay (Financial PR)

Megan Ray / Said Izagaren

Tel: +44 207 138 3204

[email protected]

Nominated Adviser Statement

Beaumont Cornish Limited ("Beaumont Cornish"), is the Company's Nominated Adviser and is authorised and regulated in the United Kingdom by the Financial Conduct Authority. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other person for providing the protections afforded to customers of Beaumont Cornish nor for advising them in relation to the transaction and arrangements described in the announcement or any matter referred to in it.