Mr Brunsdon was Managing Director and Head of Investment Banking of Merrill Lynch International (Australia) Limited (Until June 2009). He is Chairman of APN Funds Management Limited (since November 2009) and MetLife Insurance Limited (since April 2011). He was a Member of the listing committee of the Australian Securities Exchange between 1993 and 1997, a Member of the Takeovers Panel between 2007 and 2016 and was a director of Sims Group Limited between 1999 and 2007. Mr Brunsdon is also a director of the Wentworth Group of Concerned Scientists and Purves Environmental Custodians. Mr Brunsdon is Chairperson of the Governance Committee and is a member of the Risk Committee.

Ms O'Toole has executive experience across a number of sectors including over 20 years in the mining industry and, more recently, in transport and logistics which also include finance roles. Ms O'Toole's board experience includes directorships of the CSIRO, Norfolk Group and Government and private sector advisory boards. She has acted as Chairperson of the Audit Committees of CSIRO, Norfolk Group and Pacific Aluminium. She has also acted as Chairperson of the Risk Committee at Credit Union Australia and Chairperson of the Audit & Risk Committee at Pacific National Rail. Ms O'Toole is a director of Alumina Limited (since December 2017), the Asciano Rail Group of Companies operating as Pacific National Rail and Credit Union Australia. Ms O'Toole is a Member of the Risk Committee.

Mr Gorman served as the Chief Executive Officer of Brambles Ltd for seven years. Prior to Brambles, Mr Gorman held a number of executive positions over a 21 year career at Ford Motor Company, culminating in President and Chief Executive Officer of Ford Australia from 2004 to 2008. He is a director of Worley Ltd, a provider of project and asset services, and Orora Ltd, a packaging solutions specialist. Mr Gorman is a Member of the Safety, Health, Environment, Community and Sustainability (SHECS) Committee.

Mr Thompson was a executive vice president Commercial for The Mosaic Company from 2004 to 2007, one of the world's fertiliser companies, which is publicly traded on the New York Stock Exchange. Prior, Mr Thompson had a 30 year career in the steel industry from 1974 to 2004, serving in roles at Cargill, Inc, to the position of President of Cargill Steel Group from 1996 - 2004. During that period, Mr Thompson also served for a time as Co-Chairman of the North Star BlueScope Steel joint venture, and was a Member of industry boards, including AISI (American Iron and Steel Institute), SMA (Steel Manufacturers Institute) and MSCI (Metals Service Center Institute). He is currently a director of Hawkins, Inc, and serves as Chairman of the Board of Visitors of the University of Wisconsin School of Education. Mr Thompson is Chairperson of the Safety, Health, Environment, Community & Sustainability Committee, and is a Member of the Governance Committee.

Mrs Ridout is an Alternate Director and Member of the Investment Committee of AustralianSuper, the pension fund in Australia, and she formerly served as its Chair from March 2013 to September 2019. Mrs Ridout also serves as a director of Australian Securities Exchange Limited (since August 2012), and she is on the board of the Australian Chamber Orchestra. Mrs Ridout was formerly the Chief Executive Officer of the Australian Industry Group from 2004 until her retirement in April 2012. She previously served as a Board Member of the Reserve Bank of Australia between 2011 and 2017, a Member of the Henry Tax Review panel, board Member of Infrastructure Australia and the Australian Workforce and Productivity Agency, and a member of the Climate Change Authority and the Prime Minister's Taskforce on Manufacturing. Mrs Ridout is a member of the Safety, Health, Environment, Community & Sustainability Committee, the Risk Committee and the Governance Committee.

Ms Nelson is an director having served as a board director of nine corporations over 24 years. Through her company, PTI Resources, LLC, Ms Nelson consulted on environmental and energy policy matters from 2005 to 2019. A operations executive, Ms Nelson was the former founding president of Midwest Generation EME, LLC, an Edison International company, and vice president of operations for Edison Mission Energy. She serves as a director of two publicly traded US corporations: Cummins Inc (CMI), a engine and equipment manufacturer, and Ball Corporation (BLL), a metals container manufacturing company, and one publicly traded Canadian corporation, TransAlta Corporation (TAC), a power generation and wholesale marketing company. Ms Nelson is Chairperson of the Risk Committee.

Mr Field has more than 25 years of experience in the mining and manufacturing industries. He has held a number of leadership positions, including recently as Director of Patrick Terminals & Logistics Division for Asciano Limited, and previously as Chief Operating Officer for Rio Tinto Alcan's Bauxite and Alumina Division. Mr Field is a Member of the Safety, Health, Environment, Community & Sustainability Committee, Governance Committee and the Risk Committee.

Mr Kato is Mitsui & Co, Ltd's nominated director. Mr Kato started his business career in the iron ore division of Mitsui, where he gained experience relating to the mining industry, which became the backbone of his career at Mitsui. After completing two assignments in New York and attending MIT Sloan School of Management, Mr Kato held positions in Mitsui's oil and gas divisions. In June 2020, Mr Kato retired from his position as a Counsellor to Mitsui. Mr Kato is a Member of the Safety, Health, Environment, Community & Sustainability Committee.

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