Tertiary Minerals Regulatory News (TYM)

07 November 2017

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

Tertiary Minerals Wins National Award in the USA

Tertiary Minerals plc, the AIM traded company building a strategic position in the fluorspar sector, is pleased to announce that its 100% owned subsidiary, Tertiary Minerals US Inc. ("the US Company"), has been chosen to receive the Bureau of Land Management's (BLM) 2017 Hardrock Small Operator Award for its outstanding and innovative reclamation and sustainable mineral development work on the Company's MB Fluorspar Project in Nevada.

Highlights:

· The US Company received the award at an awards luncheon hosted by the National Mining Association (NMA) and the U.S. Department of Interior held in Washington DC on 06 November 2017

· The US Company is one of only two winners selected for the 2017 Hardrock Small Operator Award - one of five categories of awards under the BLM's Reclamation and Sustainable Minerals Development Awards Programme

· The US Company was nominated for the award by the regional BLM Mount Lewis Field Office

· The official press release by the NMA can be viewed using the link below:

https://nma.org/2017/11/06/nma-joins-federal-agencies-honoring-top-mine-safety-environmental-technology-leaders-2/

Commenting today, Managing Director, Richard Clemmey said: "We are delighted to receive this prestigious award which is a testament to the operational and environmental excellence the Company strives for and to the quality of the carefully selected contractors employed on our operations. I would like say a special thank you to our consulting geologists, Hunsaker Inc, and earthmoving contractors, DV Gravel & Exploration LLC, for their continued hard work and commitment to the MB Project, without which the award would not have been possible".

Notes to Editors

Tertiary Minerals plc (ticker symbol 'TYM') is an AIM-traded mineral exploration and development company building a significant strategic position in the fluorspar sector. Fluorspar is an essential raw material in the chemical, steel and aluminium industries. Tertiary controls two significant Scandinavian projects (Storuman in Sweden and Lassedalen in Norway) and a large deposit of strategic significance in Nevada, USA (MB Project).

CAUTIONARY NOTICE

The news release may contain certain statements and expressions of belief, expectation or opinion which are forward looking statements, and which relate, inter alia, to the Company's proposed strategy, plans and objectives or to the expectations or intentions of the Company's directors. Such forward-looking statements involve known and unknown risks, uncertainties and other important factors beyond the control of the Company that could cause the actual performance or achievements of the Company to be materially different from such forward-looking statements. Accordingly, you should not rely on any forward-looking statements and save as required by the AIM Rules for Companies or by law, the Company does not accept any obligation to disseminate any updates or revisions to such forward-looking statements.