21 November 2017

THOR MINING PLC

HOLDING(S) IN COMPANY

Thor Mining PLC ("Thor" or the "Company") (AIM, ASX: THR) was notified on 16 November 2017 by Metal Tiger plc (LON: MTR) that following the issue of 16,000,000 ordinary shares of 0.01p each in the capital of the Company ("Ordinary Shares") to Metal Tiger Plc, pursuant to the exercise of warrants, which were admitted to trading on the AIM market of the London Stock Exchange today, Metal Tiger Plc now has a beneficial interest in 50,400,000 Ordinary Shares in the Company, representing 9.77% of Thor's issued share capital.

Enquiries:

Updates on the Company's activities are regularly posted on Thor's website www.thormining.com, which includes a facility to register to receive these updates by email, and on the Company's twitter page @ThorMining.

About Thor Mining PLC

Thor Mining PLC is a resources company quoted on the AIM Market of the London Stock Exchange and on ASX in Australia.

Thor holds 100% of the advanced Molyhil tungsten project in the Northern Territory of Australia, for which an updated feasibility study in 2015¹ suggested attractive returns. Thor also holds 100% of the Pilot Mountain tungsten project in Nevada USA which has a JORC 2012 Indicated Resources Estimate² on 1 of the 4 known deposits.

Thor is also acquiring up to a 60% interest Australian copper development company Environmental Copper Recovery SA Pty Ltd, which in turn holds rights to earn up to a 75% interest in the mineral rights and claims over the portion of the historic Kapunda copper mine in South Australia recoverable by way of in situ recovery.

Thor also holds a production royalty entitlement from the Spring Hill Gold project³ of:

·   A$6 per ounce of gold produced from the Spring Hill tenements where the gold produced is sold for up to A$1,500 per ounce; and

·   A$14 per ounce of gold⁴ produced from the Spring Hill tenements where the gold produced is sold for amounts over A$1,500 per ounce.

Notes

·   ¹ Refer ASX and AIM announcement of 12 January 2015

·   ² Refer AIM announcement of 22 May 2017 and ASX announcement of 23 May 2017

·   ³ Refer AIM announcement of 26 February 2016 and ASX announcement of 29 February 2016

·   ⁴ At the date of this announcement gold is trading at approximately A$1,630/oz