Transaction in Own Shares

Griffin Mining Limited

8th Floor, 54 Jermyn Street, London, SW1Y 6LX. United Kingdom

Telephone: + 44 (0)20 7629 7772 Facsimile: + 44 (0)20 7629 7773

E mail: griffin@griffinmining.com

Transaction in own shares

23rd May 2018

Griffin Mining Ltd ("the Company") announces that on 22nd May 2018 it purchased 25,000 of the Company's own ordinary shares ("Ordinary Shares") at a price of 153p per Ordinary Share. The Ordinary Shares have been purchased to be held in treasury for the time being. Following completion of the purchase of these Ordinary Shares there will be 140,000 Ordinary Shares held in treasury. 

The purchase represented 0.01% of the Company's issued share capital and was pursuant to the bye-laws of the Company and a resolution of the directors.

Griffin Mining Limited

Mladen Ninkov - Chairman Telephone: +44(0)20 7629 7772

Roger Goodwin - Finance Director

Panmure Gordon (UK) Limited Telephone: +44 (0)20 7886 2500

Dominic Morley

Griffin Mining Limited's shares are quoted on the Alternative Investment Market (AIM) of the London Stock Exchange (symbol GFM).

The Company's news releases are available on the Company's web site: www.griffinmining.com