Publication of Annual Accounts, Notice of AGM

Tertiary Minerals plc

www.tertiaryminerals.com

("Tertiary" or "the Company")

23 December 2020

Publication of Annual Report & Accounts, and Notice of Annual General Meeting

Tertiary Minerals plc, the AIM-traded mineral exploration and development company is pleased to announce that the Annual Report for the year ending 30 September 2020, including the Notice of Annual General Meeting ("AGM"), is now available on the Company's website at https://www.tertiaryminerals.com/investor-media/financial-reports and will be posted to shareholders today.

The AGM will be held on Thursday 28 January 2021 at 2:00 p.m. at the Company's offices at Silk Point, Queens Avenue, Macclesfield, Cheshire SK10 2BB.

Due to the restrictions imposed by the Government in connection with the COVID-19 pandemic, the Meeting will be held as a closed meeting, with only the minimum number of shareholders and directors in attendance as will be required to ensure that the Meeting is quorate. This being the case, shareholders are advised not to travel to attend the Meeting as they will not be admitted. Shareholders are therefore urged to register a proxy vote appointing the Chairman to vote in accordance with their instructions.

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