Transaction in Own Shares

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

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

E mail: [email protected]

Transaction in own shares

4th November 2024

Griffin Mining Ltd ("the Company") announces that on 1st November 2024 it purchased 25,000 of the Company's own ordinary shares ("Ordinary Shares") at a price of 145 pence per Ordinary Share. The Ordinary Shares have been purchased to be held in treasury for the time being pending cancellation.

Following completion of the purchase of these Ordinary Shares there are 184,530,477 Ordinary Shares in issue, of which 1,241,996 Ordinary Shares will be held in treasury.

Consequently, shareholders should use 183,288,481 Ordinary Shares as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company.

Griffin Mining Limited

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

Roger Goodwin - Finance Director

Panmure Liberum Limited - Nominated Adviser & Joint Broker Telephone: +44 (0)20 7886 2500

James Sinclair-Ford

Kieron Hodgson

Dougie McLeod

Berenberg - Joint Broker Telephone: +44(0)20 3207 7800

Matthew Armitt

Jennifer Lee

This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) No. 596/2014

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