7 April 2026

GOLDSTONE RESOURCES LIMITED

("Goldstone" or the "Company")

Appointment of Non-Executive Director and Board Role Change

GoldStone Resources Limited (AIM: GRL) is pleased to announce the appointment of Dr Bob Foster as a Non-Executive Director of the Company, with immediate effect.

Bob brings over 45 years of international experience in economic geology, exploration, and mining to the Company. A Chartered Geologist and Chartered Engineer, he has held senior technical, academic, and executive roles across Africa, Europe, Central Asia, and the Americas. Bob co‑founded Stratex International Plc, serving as CEO from 2005 to 2016 and leading a team credited with multiple gold discoveries, including the sale of the Oksut gold deposit in Turkey. He was also a founding director of Pan‑African Mining and Pan‑Reef Mining in Zimbabwe. He currently advises several exploration programmes in Africa and sits on the Advisory Board of Lake Victoria Gold Ltd. (TSX-V: LVG). Bob has served in senior industry leadership roles, including President of the Society of Economic Geologists.

The Company also announces that Mike Jones, currently a Non-Executive Director, has been appointed as an Executive Director with immediate effect. This transition reflects the Company's commitment to strengthening its executive leadership. Mike will play an expanded role in providing executive board support and enhancing corporate oversight as the Company continues to develop its operations.

Emma Priestley, Chief Executive Officer, commented:

"We are delighted to welcome Dr Bob Foster to the Board and Mike Jones' transition to an executive role. With Bob's extensive technical and industry experience and Mike's deeper executive involvement, we have maintained a strong and balanced team of six, with complementary skills well suited to a mining company at an early stage of growth."

Additional Information:

In accordance with Schedule 2(g) of the AIM Rules for Companies, Robert Peter Foster (aged 77) is, or has been within the previous five years, a director or partner of the following companies or partnerships:

Dr Foster currently holds 100,000 ordinary shares, representing 0.00754% of the Company's issued ordinary share capital.

There is no further information to be disclosed pursuant to Schedule 2(g) of the AIM Rules for Companies.

ENDS

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About GoldStone Resources Limited

GoldStone Resources Limited (AIM: GRL) is an AIM quoted mining and development company with projects in Ghana that range from grassroots exploration to production.

The Company is focused on developing the Akrokeri-Homase project in south-western Ghana, which hosts a JORC Code compliant 602,000oz gold resource at an average grade of 1.77 g/t.  The existing resource is confined to a 4km zone of the Homase Trend, including Homase North, Homase Pit and Homase South.

The project hosts two former mines, the Akrokerri Ashanti Mine Ltd, which produced 75,000 oz gold at 24 g/t recovered grade in the early 1900s, and the Homase Pit which AngloGold Ashanti developed in 2002/03 producing 52,000 oz gold at 2.5 g/t recovered.  Production is currently focussed on the Homase Mine however it is the Company's intention to build a portfolio of high-quality gold projects, with a particular focus on the highly prospective Birimian Gold Belt.

Goldstone has entered into a binding MoU to acquire a 50% interest in a gold project in Sierra Leone, located adjacent to the Boamuhun Gold Mine, a known gold deposit estimated to contain approximately 5.8 million ounces, with early work indicating grades of approximately 12 g/t.