Exercise of Warrants

Great Southern Copper plc (LSE: GSCU), the company focused on copper-gold and silver exploration in Chile, announces that warrant holders have exercised their right to subscribe for 1,291,667 new ordinary shares of 1p each in capital of the Company ("Ordinary Shares") at an exercise price of 2.4p per share for gross proceeds of £31,000, and 3,749,990 new Ordinary Shares of 1p each at an exercise price of 3.0p per share for gross proceeds of £112,500.

Admission to Trading and Total Voting Rights

Application for admission has been made and the admission of these 5,041,657 new Ordinary Shares to trading on the Main Market of the London Stock Exchange plc, which is expected to become effective on or around 8.00am on 14 April 2025 ("Admission").

Following Admission, the total number of issued shares and the total number of voting rights in the Company is 555,893,980. The above figure should be used by shareholders in the Company 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 share capital of the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.