Mr Biswas was previously Chief Executive Officer of Pacific Aluminium, a wholly owned subsidiary within the Rio Tinto group, which incorporated the bauxite, alumina, refining and smelting operations in Australia and New Zealand. He began his career with Mount Isa Mines, working in both Australia and Europe. Mr Biswas has also worked for Western Mining Corporation in Australia and Rio Tinto in Canada and Australia. He has experience in research, operations, business development and projects, across commodities including aluminium, copper, lead, zinc and nickel Other Current Directorships/Appointments of his include as Vice Chairman of the Minerals Council of Australia (Vice Chairman from 2018, Director from 2014), Vice Chairman of the World Gold Council (Vice Chairman from 2020, Director from 2017), Member of ICMM Council (from 2017)

Mr Aiken has Australian and international business experience, principally in the engineering and resources sectors. He was Group President Energy BHP Billiton, President BHP Petroleum, Managing Director BOC/CIG, Chief Executive of BTR Nylex and Senior Advisor Macquarie Capital (Europe) Other Current Directorships/Appointments of his include as Business Ambassador, Business Events Sydney Pty Ltd (from 2016)

Mr Tomsett has gold mining and international business experience as both an executive and non-executive director of a range of mining companies listed on the Australian, Toronto, New York and London stock exchanges. His last executive role was as the President and Chief Executive Officer of global gold and copper company, Placer Dome Inc, where he worked for 20 years in project, operational and executive roles. He has been the Chairman and Managing Director of Kidston Gold Mines Ltd and the Non-Executive Chairman of Equinox Minerals Ltd and Silver Standard Resources Inc. He has also held numerous other Board positions in mining, energy and construction companies and associations including as a Director of OZ Minerals Ltd, Acacia Mining plc, Talisman Energy Inc, North American Energy Partners Inc, Africo Resources Ltd, World Gold Council, Minerals Council of Australia, and International Council for Mining and Metals.

Ms McAloon has experience in the resources, energy, infrastructure and utilities industries. She spent 9 years as Group Company Secretary at BHP, including 2 years on the Group Management Committee as President Governance. Prior to that, Ms McAloon was Group Manager, Corporate & External Services & Company Secretary at AGL, had leadership roles with the NSW Government and worked in private legal practice. Ms McAloon is a Non-Executive Director of United Malt Group and Home Consortium. She is also on the Board of Allianz Australia and Energy Australia. She is Chairman of the Monash University Foundation and an independent member of Allens' Advisory Board. She is retiring shortly from the Board of Viva Energy. She was awarded a Monash University Fellowship in 2018. She will also appointed as member of Human Resources committee of NCM from 01/07/2021.

Ms McFadden is an experienced company director and has experience in several roles as member or chairman of audit and risk committees. Ms McFadden has a background in finance and law. She is a former investment banker with considerable expertise in corporate finance transactions, having served as Managing Director of Investment Banking at Merrill Lynch in Australia and as a Director of Centaurus Corporate Finance and a former President of the Australian Takeovers Panel. Other Current Directorships/Appointments of her is as Director of Allianz Australia Limited (from 2020)

Dr Higgins brings experience leading mining companies and operations, and has working knowledge of Papua New Guinea as a current Non-Executive Director and a former Managing Director of Ok Tedi Mining Limited in Papua New Guinea. In his most recent executive position, Dr Higgins served as Senior Vice President, Copper at Canadian metals and mining company, Teck Resources Limited. Prior to this role he was Vice President and Chief Operating Officer with BHP Billiton Base Metals Customer Sector Group working in Australia and also held senior positions with BHP Billiton in Chile. He also holds the position of Adjunct Professor with the Sustainable Minerals Institute, University of Queensland Other Current Directorships/Appointments of his include as Chair of the Advisory Board, PAX Republic (from 2019), Director of Ok Tedi Mining Limited (from 2014), Member of the Sustainable Minerals Institute Advisory Board, University of Queensland (from 2016), Member of the Energy and Resources Advisory Board, University of Adelaide (from 2019)

Ms Layman has over 26 years of international experience in resources and corporate finance. She spent 14 years with the Macquarie Group in a range of senior positions, including as Division Director and Joint Head of the Perth office of the Metals, Mining & Agriculture Division. Prior to that, Ms Layman held various positions with resource companies including Mount Isa Mines, Great Central Mines and Normandy Yandal. Her other Current Directorships/Appointments include as Director of RL Advisory Pty Limited (from 2017)

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