Exercise of Warrants

Great Southern Copper PLC

18 May 2026

 

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION AS STIPULATED UNDER THE UK VERSION OF THE MARKET ABUSE REGULATION NO 596/2014 WHICH IS PART OF ENGLISH LAW BY VIRTUE OF THE EUROPEAN (WITHDRAWAL) ACT 2018, AS AMENDED.  ON PUBLICATION OF THIS ANNOUNCEMENT VIA A REGULATORY INFORMATION SERVICE, THIS INFORMATION IS CONSIDERED TO BE IN THE PUBLIC DOMAIN.

18 May 2026

Great Southern Copper plc

("GSC" or the "Company")

Exercise of Warrants

Great Southern Copper plc (LSE: GSCU), the company focused on copper-gold-silver exploration in Chile, announces that warrant holders have exercised their right to subscribe for 2,166,666 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 £52,000.

Included in this total are 833,333, 833,333 and 416,667 new ordinary shares subscribed for by Sam Garrett, Nicholas Briers and Charles Bond, all Directors of the Company.

Admission to Trading and Total Voting Rights

Application for admission has been made and the admission of these 2,166,666 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 25 May 2026 ("Admission").

Following Admission, the total number of issued shares and the total number of voting rights in the Company will be 753,917,860. This 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.

May 2023 Fundraise Warrants

The Company notes that any remaining unexercised warrants issued alongside the May 2023 fund raise lapse today.

Enquiries:

Great Southern Copper plc
Sam Garrett, Chief Executive Officer	[phone]
SI Capital Limited
Nick Emerson	[phone]
BlytheRay
Megan Ray / James Mulligan	[phone] [e-mail]

Subscribe to our news alert service: https://gscplc.com/auth/signup

Notes for Editors:

About Great Southern Copper

Great Southern Copper PLC is a UK-listed mineral exploration company focused on the discovery of copper-gold-silver deposits in Chile. The Company has the option to acquire mining rights to 100% of Especularita project in the under-explored coastal belt of Chile that is prospective for large scale copper-gold-silver deposits. Chile is a globally significant mining jurisdiction being the world's largest producer and exporter of copper.

The Especularita Project is located in the coastal metallogenic belt of Chile which hosts significant copper mines and deposits, including Teck's Carmen de Andacollo copper mine, and boasts excellent access to infrastructure such as roads, power and ports. Significant historical small-scale and artisanal workings for both copper and gold are readily evident in the exploration project area. The coastal belt offers deposit type optionality for copper including porphyry and IOCG style deposits as well as newly recognised intrusive-related copper and gold deposits.

Great Southern Copper is strategically positioned to support the global market for copper - a critical battery metal in the clean energy transition around the world. The Company is actively engaged in exploration and evaluation work programmes targeting both large tonnage, low to medium grade Cu-Au as well as high-grade Cu-Ag-Au deposits.

Further information on the Company is available on the Company's website: https://gscplc.com

Notification and public disclosure of transactions by persons discharging managerial responsibilities/ person closely associated with them.

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Charles Bond
2	Reason for the notification
a)	Position/status	Chairman
b)	Initial notification/ Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Great Southern Copper plc
b)	LEI	213800RF6N9WA8PZH313
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary shares of 1 pence each GB00BLB5BF24
b)	Nature of the transaction	Shares issued on exercise of warrants
c)	Price(s) and volume(s)	Price(s) Volume(s) 2.4p 416,667
e)	Date of the transaction	18 May 2026
f)	Place of the transaction	Outside of trading venue - issued of new ordinary shares

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Samuel Garrett
2	Reason for the notification
a)	Position/status	Chairman
b)	Initial notification/ Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Great Southern Copper plc
b)	LEI	213800RF6N9WA8PZH313
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary shares of 1 pence each GB00BLB5BF24
b)	Nature of the transaction	Shares issued on exercise of warrants
c)	Price(s) and volume(s)	Price(s) Volume(s) 2.4 833,333
e)	Date of the transaction	18 May 2026
f)	Place of the transaction	Outside of trading venue - issued of new ordinary shares

1	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Nicholas Briers
2	Reason for the notification
a)	Position/status	Non-Executive Director
b)	Initial notification/ Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Great Southern Copper plc
b)	LEI	213800RF6N9WA8PZH313
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code	Ordinary shares of 1 pence each GB00BLB5BF24
b)	Nature of the transaction	Shares issued on exercise of warrants
c)	Price(s) and volume(s)	Price(s) Volume(s) 2.4 833,333
e)	Date of the transaction	18 May 2026
f)	Place of the transaction	Outside of trading venue - issued of new ordinary shares

 

END