3 November 2017

THOR MINING PLC

Director/PDMR Shareholding

The Company was informed by Paul Johnson, Non-executive Director of Thor, on 3 November 2017 that he had acquired 500,000 ordinary shares of 0.01 pence each in the capital of the Company ("Ordinary Shares") at a price of 1.70 pence each on 3 November 2017.

Following the above mentioned acquisition, Paul Johnson and his closely associated persons are beneficially interested in 27,502,649 Ordinary Shares, representing 5.93 per cent. of the issued share capital of the Company, in addition to 10,200,000 warrants.

Paul Johnson has also agreed to subscribe for 3,125,000 Ordinary Shares at a price of 0.8p each with attaching warrants, pursuant to the conditional placing announced on 20 October 2017. Subject to the Company receiving shareholder approval for the placing at the Company's forthcoming Annual General Meeting, following the completion of the placing, Paul Johnson and his closely associated persons will be beneficially interested in 30,627,649 Ordinary Shares, representing 6.07 per cent. of the enlarged issued share capital of the Company, in addition to 14,325,000 warrants (excluding the 10,000,000 options referred to in the announcement made yesterday, which is also conditional on shareholder approval at a forthcoming General Meeting).

The notification below, made in accordance with the requirements of the EU Market Abuse Regulation, provides further detail.

Enquiries:

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

Notification of Transactions of Persons Discharging Managerial Responsibility and Persons Closely Associated with them