8^th 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

4^th November 2024

Griffin Mining Ltd ("the Company") announces that on 1^st 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.

Further information

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