Exercise of Warrants

16 March 2017

THOR MINING PLC

EXERCISE OF WARRANTS

The Board of Thor Mining Plc ("Thor" or the "Company") (AIM, ASX: THR), advises that it has received a binding warrant exercise notice from Beaufort Securities Limited for the exercise of 1,780,026 warrants over ordinary shares of 0.01 pence each in the capital of the Company ("Ordinary Shares"), each with an exercise price of 0.9 pence per warrant. The gross proceeds of the exercise of these warrants amounts in aggregate to £16,020.

Application has been made for 1,780,026 new Ordinary Shares, which rank pari passu with the Company's existing issued ordinary share capital, to be admitted to trading on the AIM Market of the London Stock Exchange ("AIM"). Dealings on AIM are expected to commence at 8.00 a.m. on or around 17 March 2017 ("Admission").

Total Voting Rights

For the purposes of the Financial Conduct Authority's Disclosure Guidance and Transparency Rules ("DTRs"), following Admission, Thor will have 368,938,366 Ordinary Shares in issue with voting rights attached. Thor holds no shares in treasury. This figure of 368,938,366 may be used by shareholders in the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company, under the ASX Listing Rules or the DTRs.

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.