Griffin Mining Limited - Capital Share Structure Rationalization & Incentivization Program

Griffin Mining Limited ('Griffin' or the 'Company') is pleased to announce a rationalization of the capital structure of the Company by the proposed repurchasing and cancellation of the long outstanding options over shares in the Company issued in 2014 and 2015 (the 'Options') exercisable at forty pence and thirty pence per share respectively by 31st December 2023.

In consideration of the surrender of the Options, a number of fully paid shares in the Company will be issued to those Option holders equal to the inherent monetary value in the Options (the 'Scheme'). As those Options were issued by the Company to incentivize the Option holders in the pursuit of the new mining licence over Zone II, which was granted in January 2021, and the fully diluted share capital of the Company has included the Options, the Scheme is being implemented to simplify the capital structure of the Company.

Should all the Option holders agree to the Scheme, the number of Options cancelled by the Company will amount to 19.52 million Options. At the market closing price of the Company's shares as at 24th December 2022, if all Option holders accepted the Scheme offer, approximately 11.165 million new fully paid ordinary shares would be issued. The exact number of new shares issued will be announced after ascertaining which and how many Option holders accept the Scheme.

The offer to the Option holders to accept the Scheme will remain open for 14 days following the date of this announcement.

A new Company share incentive plan will also be implemented to retain vital key executives of the Company, in particular, Mladen Ninkov. Up to 10 million new fully paid ordinary shares may be issued which will be escrowed until the 31st December 2024. Further details of the share incentive plan including the exact number of shares issued will also be announced when finalised.

In both above new share issues, at no time will the aggregate number of total shares issued under the Scheme and the Management incentive plan ever exceed the current total of 19.52 million outstanding Options in issue and, as such, the share issues will be non-dilutive to the current shareholders of the Company assuming all current outstanding Options were exercised before their expiry date.

Chairman of the Remuneration Committee, Dean Moore, commented, 'I am pleased that the Board has adopted the recommendations of the Remuneration Committee designed to deliver a reward structure which wholly aligns the interests of key management with all stakeholders over the next 2 years.'

About Griffin Mining Limited

Griffin Mining Limited's shares are quoted on the Alternative Investment Market (AIM) of the London Stock Exchange (symbol GFM). Griffin Mining Limited owns and operates through its 88.8% owned Joint Venture in China the Caijiaying Zinc Gold Mine, a profitable mine producing zinc, gold, silver, and lead metals in concentrates. For more information, please visit the Company's website griffinmining.com.

Contact:

Griffin Mining Limited

Mladen Ninkov

Chairman

Telephone: [phone]

Roger Goodwin

Finance Director

Panmure Gordon (UK) Limited

Telephone: [phone]

John Prior

Dougie McLeod

Berenberg

Telephone: [phone]

Matthew Armitt

Jennifer Wyllie

Deltir Elezi

BlytheRay

Telephone: [phone]

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