Transaction in Own Shares

8th Floor, Royal Trust House, 54 Jermyn Street, London SW1Y 1LX, United Kingdom

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

E mail: griffin@griffinmining.com

Transaction in Own Shares

19th June 2017.

Griffin Mining Ltd ("the Company") announces that on Griffin Mining Ltd ("the Company") announces that on 16th June 2017 it purchased a further 25,000 of the Company's own ordinary shares ("Ordinary Shares") at a price of 51.0p per Ordinary Share.

The Ordinary Shares have been purchased to be held in treasury. Following completion of the purchase of these Ordinary Shares there will be 8,978,103 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)

Roger Goodwin (Finance Director & Company Secretary) Telephone: +44 (0)20 7629 7772

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