GREAT WESTERN MINING CORPORATION PLC

("Great Western", "GWM" or the "Company")

ISSUE OF EQUITY AND GRANT OF OPTIONS

Great Western Mining Corporation PLC (AIM: GWMO & ESM: 8GW) announces the issue of 204,546 new ordinary shares of €0.0001 each at ("Fee Shares") in settlement of part of the remuneration for Ed Loye for the period February to June 2026.  Under the terms of Mr. Loye's contract, part of his monthly remuneration is settled in shares and accrued on a monthly basis. The pricing for these shares is based on the 5-day VWAP for the last five days of trading, calculated on a monthly basis and will be settled quarterly.

In addition, the Company has granted options over 4,000,000 ordinary shares of €0.0001 each in the capital of the Company to Mr Loye, following his election to the Board of Directors.  The options have an exercise price of 3.24 pence per ordinary share and have been granted pursuant to the terms of Mr Loye's employment agreement.  The options are exercisable in accordance with the terms of the Company's share option scheme.

Settlement and Dealing

Application will be made to the AIM Market of the London Stock Exchange ("AIM") and Euronext Growth for a total of 204,546 ordinary shares, which will rank pari passu with the Company's existing issued Ordinary Shares, to be admitted to trading. Dealings on AIM and Euronext Growth are expected to commence on or around 16 July 2026 ("Admission").

Total Voting Rights

In conformity with Regulation 20 of the Transparency (Directive 2004/109/EC) Regulations 2007, Great Western advises that the total number of ordinary shares of €0.0001 each in issue (with voting rights) will be 435,921,327 following the issue of the Warrant Shares and the Broker Shares. The Company does not hold any ordinary shares in treasury.

This figure may be used by shareholders 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 Great Western under the Transparency (Directive 2004/109/EC) Regulations 2007 and the Transparency Rules.

For further information visit www.greatwesternmining.com or contact:

Notification of Transactions by Persons Discharging Managerial Responsibilities and Persons Closely Associated with them

 This form is required for disclosure of transactions under Article 19 of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulation)