Sunstone Metals Online Annual Report 2025

Mr Patrick Duffy B.Com, CA CEO and Managing Director: Appointed 15 April 2024 Independent Non-Executive Director: Appointed 8 November 2023, ceased 14 April 2024 Experience and expertise Mr Duffy was appointed Managing Director and CEO of Sunstone Metals in April 2024 and brings extensive international leadership, mine development, financial and governance expertise. Most recently Mr Duffy held the roles of both Chief Corporate Development Officer and Chief Financial Officer for Red 5 Limited (ASX: RED) and was a key member of the Company’s leadership team that has established Red 5 as a successful multi-billion dollar Australian gold producer through the development, construction and production ramp up of the 5.5Mtpa King of the Hills (KOTH) Gold Mine in Western Australia. Mr Duffy began his career with Ernst & Young and has since had broad leadership and executive roles in the international resource sector. He was CFO for the development of Xstrata’s US$6 billion Tampakan Copper and Gold Project in the Philippines and was Director - Strategy & Performance for the construction and production ramp up of Glencore Xstrata’s US$7 billion Koniambo Nickel Project in New Caledonia. He has worked extensively across Asia and the Pacific with mining and steel companies and established a successful Hong Kong-based management consulting company. Other directorships of listed companies in the past three years Nil Mr Stephen Stroud BBus.Acc, GDip.AppFin, CPA Independent Non-Executive Director: Appointed 6 September 2017 Special responsibilities Chair of the Audit and Financial Risk Committee Experience and expertise Mr Stroud is an experienced CPA qualified corporate finance executive with over 20 years experience advising across all aspects of corporate finance. He advises boards and management teams across a broad range of transactions including public and private equity raisings, debt/hybrid debt, Initial Public Offerings, mergers & acquisitions, sell-downs and restructures both in Australia and overseas. Mr Stroud is Co-Head, Melbourne - Corporate Advisory with Morgans Financial Limited, with a key focus on the small-mid cap market listed space on the ASX working across a broad range of sectors including IT, retail, FMCG, healthcare, metals and mining, energy, property and general industrials. Mr Stroud possesses strong relationships across buy and sell side clients across Australia, Asia, UK and North America. Other directorships of listed companies in the past three years: Nil Mr Neal O’Connor LLB, GAICD Independent Non-Executive Director: Appointed 16 April 2024 Special responsibilities Member of the Audit and Financial Risk Committee Experience and expertise Mr O’Connor is a lawyer with global leadership experience of a top four global mining company, with extensive experience in the development and operation of mines and related infrastructure, including across South America. He has extensive experience in the resource industry and brings an added focus on Corporate Transactions, Corporate Governance and Risk Management to the Board. Mr O’Connor was formerly General Counsel and Company Secretary and an Executive Committee member of Xstrata Copper (2003 – 2013), the largest business unit of global mining company Xstrata Plc. Mr O’Connor is currently a Non-Executive Director of Mitchell Services Limited (ASX: MSV) and a Director of Wesley Medical Research Institute Foundation. He was previously a Non-Executive Director of Stanmore Coal Limited. (ASX: SMR) and Non-Executive Director of Maas Group Holdings Limited (ASX: MGH). His prior legal roles include General Manager Legal M.I.M. Holdings Limited and in private practice with Pinsent & Co Solicitors, London (now Pinsent Masons LLP) and Mallesons Stephen Jacques, Brisbane (now King Wood Mallesons). Other directorships of listed companies in the past three years: Mitchell Services Limited (appointed October 2015) Maas Group Holdings Limited (ceased August 2022) Directors’ Report continued 26 Sunstone Metals Limited Annual Report 2025

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