Total Voting Rights

1 September 2020

Tertiary Minerals plc ("Tertiary" or the "Company")

Total Voting Rights

Tertiary Minerals plc announces that in accordance with Financial Conduct Authority's Disclosure and Transparency Rules ("DTRs"), the total issued share capital of the Company with voting rights is 831,647,037 ordinary shares.

There are no shares currently held in treasury. The total number of voting rights in the Company is therefore 831,647,037 and this figure may be used by shareholders as the denominator for the calculations by which they determine if they are required to notify their interest in, or a change to their interest in, the Company under the DTRS.

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Note to Editors:

Tertiary Minerals plc (ticker symbol 'TYM') is an AIM-traded mineral exploration and development company building a multi-commodity project portfolio.