Griffin Mining Regulatory News (GFM)

GRIFFIN MINING LIMITED

8th Floor, Royal Trust House, 54-56 Jermyn Street, London. SW1Y 6LX, United Kingdom

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

E mail: griffin@griffinmining.com

SHARE BUYBACK PROGRAMME UPDATE

7 April 2021

Further to the announcement made by the Company on 25 February 2021, the Company announces that it is about to enter into a close period ahead of the publication of its annual results for the year ending 31 December 2020 (the "Close Period") in the week commencing 10th May, and has granted authority to the Company's joint broker, Panmure Gordon (UK) Limited, to continue to purchase the Company's ordinary shares ("Ordinary Shares") in the market during the Close Period.

The authority granted is irrevocable and non-discretionary, and during the Close Period the Board has no power to invoke any changes to the authority and any purchases will be undertaken at the sole discretion of Panmure Gordon (UK) Limited.

The Programme will be conducted within certain pre-set parameters and will be carried out in compliance with the relevant conditions for trading, restrictions regarding time and volume, disclosure and reporting obligations, and price conditions. This arrangement is in accordance with the Company's general authority to repurchase shares.

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