Qualifications

BEcon (Hons)

Experience

John has over 40 years’ experience in the resources industry as an executive and Non-Executive Director, with expertise in strategy, business development and mergers and acquisitions. John brings to the Sandfire Board a deep understanding of the resources industry globally and its key business drivers. He has a proven track record of identifying strategic opportunities and risks, as well as developing, implementing and overseeing corporate strategies that deliver value from organic and inorganic growth.

As a mining executive, John has previously held roles at Normandy Mining Ltd as Group Executive – Strategy & Business Development and at Buka Minerals Ltd as Managing Director. He has 30 years of experience in Mergers and Acquisitions, both within mining companies and in investment banking and private equity, including involvement in a wide range of significant global transactions. He has previously held roles as Head of Mining & Metals Advisory (Australia) at Standard Bank and Operating Partner at private equity firm Global Natural Resources Investments (GNRI).

John is also a seasoned Non-Executive Director in the resources industry, with previous directorships at gold producers Northern Star Resources (2021 – 2024) and Saracen Mining Holdings Limited, and precious and base metals producer Adriatic Metals Plc. While at Northern Star Resources and Saracen Mining, John served on their Exploration and Growth Committees, with responsibility for the oversight of capital allocation decisions regarding exploration and organic and inorganic growth. John was also previously the Lead Independent Director of mineral sands company Sheffield Resources Ltd (August 2019 – May 2026).

He holds a Bachelor of Economics (Honours) from the University of Queensland.

External appointments

Chair Elect of ASX-listed West Australian gold producer Ora Banda Mining (May 2026).

Special responsibilities

• Chair of the Board of Directors

Qualifications

BE (Hons) Mining, Member of the IOM

Experience

Robert has more than 30 years’ experience in the global resources sector, with expertise in investment banking, equities research and board governance. He brings strong financial and strategic capabilities to support both organic and inorganic growth, together with a deep understanding of the commercial drivers influencing resource companies across jurisdictions and
throughout the mining lifecycle.

At Renaissance Capital, a leading emerging and frontier markets investment bank, Robert was instrumental in the firm’s international and strategic expansion, supporting resource clients across the Commonwealth of Independent States (CIS), Africa and Asia. He then held the role of Chairman, Mining and Metals, overseeing investment banking and principal investment activities across the mining, metals and fertiliser sectors. He later served as Senior Advisor to the Investment Banking Division of Royal Bank of Canada (Europe), focusing on mergers and acquisitions and senior client coverage. Earlier, he also was a precious metals equities analyst with HSBC’s Global Mining team.

As a Non-Executive Director, Robert has served on the boards of resource companies with assets across the CIS, Africa, North America and Europe. Previous directorships include LSE-listed Chaarat Gold Holdings Ltd (2018-2024); Executive Chair of Bluejay Mining plc (2022-2023), which was dual-listed on the LSE and Börse Frankfurt and MMC Norilsk Nickel producer of nickel, palladium, copper and platinum group metals (PGMs).

Robert began his career in South Africa with Anglo American Platinum and Gold Fields Ltd in underground mining and business development. He holds a Bachelor of Engineering (Honours) in Mining Engineering from the Camborne School of Mines and is a Member of the Institute of Materials, Minerals and Mining.

External appointments

Non-Executive Chair of ASX-listed Minrex Resources Ltd, a Western Australian gold and base metals explorer (since June 2026), Lead Independent Director of Lifezone Metals Ltd, advancing the Kabanga nickel project and a US PGM recycling facility (since July 2023), and a Director of Sandfire’s UK-based subsidiaries and Sandfire (ES) S.L.U.

Special responsibilities

• Member of the Audit and Risk Committee
• Member of the Remuneration Committee
• Member of the Nominations and Corporate Governance Committee

Qualifications

BCom, CA, GAICD

Experience

Sally has over 25 years’ experience in human resources, audit and financial reporting, corporate governance, and sustainability oversight, gained through her work in professional services and as an experienced Non-Executive Director at both listed and unlisted companies. She brings strong governance capabilities to organisations, supporting sustainable value creation.

Sally began her career at Arthur Andersen, where she worked across both the corporate recovery and finance practices. She has built a strong executive track record, leading business development and strategy initiatives while managing large teams to deliver sustained, profitable growth. As the founder and Managing Partner of Derwent Executive Search, a management consulting and executive recruitment firm, she established and expanded the Perth office, supporting clients locally and nationally, and heading the firm’s Mining and Industrial Practice.

As a Non-Executive Director, Sally applies her expertise in people and culture, organisational design, sustainability, remuneration, executive leadership, and succession planning. Sally has extensive experience in audit and financial reporting oversight through her roles at Jupiter Mines Ltd, Northern Star Resources Ltd, Endura Mining and The Gold Corporation. She also was part of the Audit and Risk committees at Saracen Mineral Holdings and MMA Offshore Ltd (2021-2024). Sally is Chair of Northern Star Resources’ Environmental, Social and Safety Committee, overseeing sustainability and sustainability reporting and holds committee memberships across a range of other board portfolios, including nominations, people and culture, and remuneration.

She holds a Bachelor of Commerce from University of Western Australia and qualified as a Chartered Accountant at the accounting and consulting firm Arthur Andersen. Sally is a graduate of the Australian Institute of Company Directors.

External appointments

Non-Executive Director of ASX-listed gold producer Northern Star Resources (since February 2021) and pure play manganese miner Jupiter Mines (since September 2024). In addition, she also holds board roles with Endura Mining, The Gold Corporation, Ronald McDonald House Foundation and Hale School (not-for-profit).

Special responsibilities

• Chair of the Audit and Risk Committee
• Member of the Sustainability Committee
• Member of the Nominations and Corporate Governance Committee

Qualifications

BArts, MAICD, Finance for Executives (INSEAD)

Experience

Jenn has over 20 years of executive and non-executive experience, with expertise in organisational culture and transformation, remuneration, corporate governance and sustainability. As a dual Olympic gold medallist as part of the Australian women’s hockey teams at the 1996 Atlanta and 2000 Sydney Games, Jenn has developed a deep understanding of building and sustaining a high-performance culture which enhances her skills in communication, leadership and team effectiveness.

As a Non-Executive Director, Jenn currently serves on the board of lithium miner Liontown Resources Ltd and Argonaut, a corporate advisory firm. She contributes to these companies through her roles as Chair of the Remuneration Committees and as a member of the Sustainability and Audit and Risk Committees. Jenn also recently joined the board of integrated iron ore mining, logistics and port services business, Fenix Resources Limited.

Prior to this, Jenn spent more than a decade at Deloitte, where she was a Partner advising clients across the mining, transport and government sectors on strategy development and implementation, business transformation, human capital and governance areas. Jenn later served as CEO of Walk Free, an international human rights organisation focused on eradicating modern slavery through research, advocacy, and global engagement and was a Non- Executive Director of Fortescue Ltd.

Jenn has maintained a strong connection with the Australian sporting community, shaping culture and strategy as a director of the Fremantle Dockers (AFL), the Western Australian Institute of Sport, and as a Commissioner at the Australian Sports Commission.

Jenn holds a Bachelor of Arts (Psychology and Journalism) from Curtin University, has completed the Finance for Executives program at INSEAD and is also a Member of the Australian Institute of Company Directors.

Jenn was awarded a Medal of the Order of Australia (OAM) in 1997 for her service to sport.

External appointments

Non-Executive Director of Liontown Resources (since November 2021) and Fenix Resources (since June 2026). In addition, Jenn is a director of Argonaut, as well as philanthropic organisations FORM building a state of creativity and think tank The Policy Institute of Australia.

Special responsibilities

• Chair of the Remuneration Committee
• Member of the Audit and Risk Committee

Qualifications

BSc (Geology and Geophysics), CPA

Experience

Brendan is an experienced mining executive, with deep technical, financial, strategic and commercial expertise gained through a career spanning diversified international mining companies and investment banking. He brings a strong understanding of stakeholder management that builds high performing teams and delivers successful outcomes within a desired organisational culture.

Prior to joining Sandfire, Brendan was part of the inaugural Executive Committee at South32, initially serving as Chief Financial Officer. In this role, he helped establish the company’s business structure, capital management approach, and financial strategy. He later became Chief Human Resources and Commercial Officer, responsible for global commodity marketing, procurement and human resources.

Brendan joined South32 from BHP, where he was Global Head of Investor Relations and worked closely with senior management to develop strategies supporting the BHP/South32 demerger.

Brendan also brings extensive experience from his earlier career in investment banking where, as an Executive Director, he led the Macquarie Metals & Mining Research team during the China-led commodity cycle of the 2000s.

He holds a Bachelor of Science in Geology and Geophysics from Flinders University and is a Certified Practising Accountant.

Qualifications

BAppSc (Geol), BSc (Hons), MMinEng, MEnt (Exec)

Experience

Jason is an experienced mining professional with industry experience spanning Australia, the Asia-Pacific region, Southern Africa, North America and Europe, ranging across multiple disciplines including executive and operational management, mine development, technical leadership, business improvement, mineral resource evaluation, mine planning and mine geology.

Jason joined Sandfire in 2019 and is accountable for the safe, consistent and predictable operational outcomes from Sandfire’s modern processing hubs, exploration, the development of the Black Butte Project, and the management of large-scale capital projects, including studies and execution.

Jason is also Chair of the Company’s subsidiary, Sandfire Resources America Inc.

Prior to joining Sandfire, Jason was the Executive General Manager – Iron Ore for diversified mining services group Mineral Resources Ltd, where he managed the Group’s Australian iron ore business.

Qualifications

BSc (Env), MBA, GAICD

Experience

Cath is a mining executive with over 25 years’ experience working in leadership roles across mining and government. She joined Sandfire in 2023 as Chief Sustainability Officer and is responsible for overseeing the Sustainability and Corporate Affairs functions.

Cath is accountable for the design, governance and implementation of our Sustainability Strategy including setting targets and objectives and managing the risks and opportunities of climate change. She influences, challenges and empowers our teams to drive sustainability leadership and works to protect and enhance Sandfire’s reputation.

Prior to joining Sandfire, Cath was the Group Manager, Sustainability at Fortescue Ltd. She has worked collaboratively with communities, governments and other stakeholders on a range of projects and possesses extensive skills in sustainability, including within climate change, biodiversity, human rights and social investment as well as within corporate affairs, company disclosures, corporate governance and risk management.