Ms Wood has attained executive and leadership skills which she brings to her role as Chair of South32. She has experience in public policy, social performance, community, people, remuneration and regulatory and legal compliance. She has held various senior global leadership roles with BHP, including Group Company Secretary, Chief People Officer and President Corporate Affairs. She was a member of BHP's leadership team and served as Chair of The Global Ethics Advisory Panel, the Disclosure Committee and as Chief Governance Officer. Ms Wood gained extensive expertise as a key adviser to BHP's Board and CEO on matters of governance, composition of leadership teams, development and succession planning, organisational design and culture, remuneration structures and stakeholder relations. Following the merger between BHP Limited and Billiton plc in 2001, she established the multi-jurisdictional governance framework for the merged entity. Ms Wood joined BHP as Group Company Secretary in 2001 and retired in 2014. Before joining BHP, Ms Wood held the role of General Counsel and Company Secretary with Bonlac Foods Limited. Ms Wood's governance experience is broadened by her membership of the Takeovers Panel (Australia) from 2000 to 2012 and her roles with the Australian Securities and Investment Commission (Business Consultative Panel) and the Australian Federal Government's Business Regulatory Advisory Group. Following her retirement from BHP, Ms Wood chaired the BHP Foundation, where she oversaw grant provisions for not for profit organisations to deliver large, long-term global programs in the areas of natural resource governance, human capability and social inclusion, and conserving and sustainably managing natural environments. She is currently a Non Executive Director of Djerriwarrh Investments Limited (and member of the Audit Committee and the Investment Committee), a member of Chief Executive Women, member of the 30% Club Australia and a Fellow of Monash University. She is a board Member and Member of the Audit & Risk Management and Appointments and Remuneration Committees, State Library of Victoria; Council Member, State Library of Victoria Foundation Council; Director of Robert Salzer Foundation; and Member of Business Council of Australia (Chairman's Group).

Mr Cooper brings a focus on organisational philosophy, values and standards. Mr Cooper has over 40 years of experience in the finance and accounting profession. His prior appointments include Partner at Ernst & Young, Partner at PricewaterhouseCoopers, and Managing Partner for Arthur Andersen in Perth, during which time he specialised in the mining, energy and utility sectors. Mr Cooper is currently a Non Executive Director of Woodside Petroleum Limited (including Chair of the Audit & Risk Committee and member of the Human Resources & Compensation Committee and Nominations & Governance Committee). Until 2006, he was a Director of Alinta Infrastructure Limited and Alinta Funds Management Limited. Mr Cooper was awarded an Officer of the Order of Australia in 2014 and was named West Australian of the Year in the Professions category in 2015. He is Commissioner and Chairman of Insurance Commission of Western Australia; Member, WA Council of the Australian Institute of Company Directors (from February 2016 to 23 June 2021); Pro Chancellor of University of Western Australia; Trustee, St John of God Health Care; and Director of St John of God Australia Limited. He is Commissioner and Chairman, Insurance Commission of Western Australia; Member, WA Council of the Australian Institute of Company Directors (from February 2016 to 23 June 2021); Pro Chancellor, University of Western Australia; Trustee, St John of God Health Care; and Director, St John of God Australia Limited.

Mr Rumble has more than 40 years of experience in the resources industry, specifically in titanium and platinum mining. He also has experience managing a portfolio of private equity assets in the resource sector in Russia, India and other emerging markets. This combination of skills and knowledge are a valuable contribution to the South32 Board. Mr Rumble has held various leadership roles including CEO of SUN Mining (a wholly owned entity of the SUN Group), CEO of Impala Platinum (Pty) Ltd and President and CEO of Rio Tinto Iron and Titanium Inc in Canada. He also worked for Verref, a division of the Anglo American Corporation, prior to joining Richards Bay Minerals in 1980, working in smelting and metallurgy, progressing to General Manager and later CEO in 1996. Mr Rumble has been a Non-Executive Director of a variety of private companies, including Platinum Mining Corporation of India PLC, Barplats Holdings Limited, Western Platinum (Pty) Limited, Eastern Platinum (Pty) Limited and Sarplat Investments Limited. He was also an independent Non-Executive Director at BHP Billiton plc, BHP Limited and at JSE listed Aveng Limited. In November 2019, Mr Rumble retired as a Member of Board of Governors, Rhodes University and was appointed an Honorary Life Governor (Rhodes University). He is Director of Acetologix Pty Limited; Director of Enzyme Technologies (Pty) Limited; Director of Elite Wealth (Pty) Limited; and Trustee of World Wildlife Fund, South Africa. He is Chair of the Sustainability Committee.

Mr Osborn brings over 40 years of experience from the mining, resources and manufacturing sectors to the South32 Board. Mr Osborn was Managing Director of Alcoa in Australia from 2001 until 2008, leading an integrated business comprised of bauxite mining, alumina refining, coal mining, power generation and aluminium smelting. This included operations in Victoria and Western Australia. His prior role at Alcoa included accountability for its Asia-Pacific manufacturing operations in China, Japan, Korea and Australia. He joined Alcoa in 1979 after working as an engineer in the iron ore and telecommunications sector. Since 2008, Mr Osborn has worked as a Non-Executive Director in the mining, construction and energy industries. He was also Chairman of the Australian Institute of Marine Science, Chairman of the Western Australia Branch of the Australia Business Arts Foundation and Vice President of the Chamber of Commerce and Industry, Western Australia. Mr Osborn is currently a Non-Executive Director of Wesfarmers Limited (including membership of the Remuneration Committee and the Nomination Committee). He has been awarded a WA Business Leader Award in 2007 for his work with the Australian Business Arts Foundation and an Australian Institute of Company Directors Award for Excellence in 2018. He is the Lead Independent Director and Audit Committee Chair of Discovery Bank Limited; Director of Discovery Bank Holdings Limited; Founding Trustee of ZMDT; Trustee and Audit Committee Chair of Nelson Mandela Foundation; Trustee and Audit Committee Chair of National Education Collaboration Trust (NECT); and Independent Non-Executive Director and Deputy Chairperson of Public Investment Corporation Limited.

Mr Kerr joined BHP in 1994 and was appointed Chief Financial Officer in November 2011. Previously, Mr Kerr was President of Diamonds and Specialty Products and worked in a wide range of operational and commercial roles across BHP. As President of Diamonds and Specialty Products, Mr Kerr was accountable for the Ekati Diamond Mine in Canada, the Richards Bay Minerals Joint Venture in South Africa, diamonds exploration in Angola, the Corridor Sands Project in Mozambique and the development of BHP's potash portfolio in Canada. Prior to that, Mr Kerr held the positions of Chief Financial Officer Stainless Steel Materials, Vice President Finance Diamonds and Finance Director for the Canadian Diamonds Company, all for BHP. In 2004, Mr Kerr left BHP for a two year period when he was General Manager Commercial for Iluka Resources Ltd. He is the Chair, CEOs for Gender Equity.

Dr Mtoba brings sustainability and environmental experience. Dr Mtoba joined Deloitte and Touche South Africa in 1988, specialising in financial services. She became one of the first African Black women to be appointed as a Partner by one of the Big Four accounting firms and was later appointed the first African woman Deputy Chairman and then Chairman of Deloitte Southern Africa. Dr Mtoba has been a member of the International Monetary Fund Advisory Group of Sub Saharan Africa, the World Economic Forum Global Advisory Council, the B20 Financing Growth and Infrastructure Task Force and the B20 Transparency Task Team. She was also the first woman president of the Association for the Advancement of Black Accountants of Southern Africa. Additionally, she has served as Chair of Council of the University of Pretoria, President of Business Unity South Africa, and board member of the Public Accountants and Auditors Board, the South African Institute of Chartered Accountants, the New Partnership for Africa's Development Business Foundation and African Union Foundation. Dr Mtoba is engaged in the regional and global community. In 2019, Dr Mtoba was appointed as a Director of the International Women's Forum (South Africa). She is a former board member of the United Nations Global Compact. In October 2020, Dr Mtoba was appointed as a Non Executive Director of the Public Investment Corporation Limited (having previously served as a Board member and Investment Committee Chair). In February 2021, she was appointed Deputy Chairperson and is Chair of the Audit Committee of Public Investment Corporation Limited. For her contributions, Dr Mtoba has received numerous awards, including Most Outstanding Leadership Women of the Year (Africa Economy Builders, 2018). She is the Lead Independent Director and Audit Committee Chair of Discovery Bank Limited; Director of Discovery Bank Holdings Limited; Founding Trustee of ZMDT; Trustee and Audit Committee Chair of Nelson Mandela Foundation; Trustee and Audit Committee Chair of National Education Collaboration Trust (NECT); and Independent Non-Executive Director and Deputy Chairperson of Public Investment Corporation Limited.

Dr Liu has 26-year career at the Rio Tinto Group. Dr Liu's operational, technical, strategic, marketing and risk management skills are an important contribution to the South32 Board. Dr Liu's roles at Rio Tinto included General Manager and Managing Director positions in smelting operational management. She held other senior positions, including Managing Director Technical Services where she led Rio Tinto's global technical services unit, and President and Chief Executive Officer of Rio Tinto Minerals where she ran integrated mining, processing, and supply chain operations in the United States, Europe and Asia. Since her retirement from Rio Tinto in 2014, Dr Liu held the position of Non Executive Director of Iluka Resources Limited until April 2019 and Non Executive Director of Newcrest Mining Limited (including as a member of the Human Resources & Remuneration Committee, Audit & Risk Committee and Nominations Committee) until November 2020. Dr Liu is currently a Non-Executive Director of Incitec Pivot Limited (including as a member of the Audit & Risk Committee and Chair of the HSEC Committee). Dr Liu has been the Chancellor, Queensland University of Technology since January 2020. She held the office of Director, Melbourne Business School until October 2019. She has also served as a board member of the California Chamber of Commerce and Vice President of the Board of the Australian Aluminium Council. She is President and Director of Project Excellence Inc.; President and Director of Un Futuro Mejor Inc.; and President and Director of Fundacion Lansdown A.C.

Mr Lansdown has experience in early and late stage greenfield and brownfield project development and delivery, together with his technical background and strategic leadership abilities. Mr Lansdown has almost 40 years' experience in project development and mining, including as an executive at Newmont Mining Corporation where he was most recently Executive Vice President Discovery and Development. In that role he led Newmont's exploration and major project development. During his 20 year career with Newmont Mining Corporation, Mr Lansdown held many senior positions, including Senior Vice President of Project Development and Technical Services USA, Vice President of Project Development USA, Executive Manager Boddington Australia, Operations Manager Minera Yanacocha Peru and Engineering and Development Director Australia. Prior to joining Newmont, Mr Lansdown held various roles contributing to his global business experience, including Associate and Projects Manager at Knight Piesold in the USA and a Director of Projects at Group Five in South Africa. He has worked in North and South America, Asia, Australia and Africa. Mr Lansdown is currently President and Director of his US consulting company Project Excellence Inc., which offers a range of services including strategic planning, project development, organisational design and independent project reviews. He is also President and Director of two charities, Un Futuro Mejor Inc and Fundacion Lansdown A.C., which provide opportunities for disadvantaged youth in Mexico to reach their full potential. He is President and Director of Project Excellence Inc; President and Director of Un Futuro Mejor Inc; and President and Director of Fundacion Lansdown A.C.

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