Griffin Mining Limited ('Griffin') has been advised that Trellus Co. LLC in which Mr Adam Usdan, a non-executive director of Griffin, has an interest, purchased on 23rd March 2020 a further 100,000 ordinary shares in Griffin at a price of 32.25p pence per share.

Following this purchase Mr. Adam Usdan, through both direct and indirect interests, has a beneficial interest in 33,412,890 shares in Griffin, representing 19.2% of the Company's issued share capital.

Contact:

Tel: ++44 (0)20 7260 1000

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

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