Mr Brook was the Chief Financial Officer of Western Mining Resources Limited and Deputy Chief Financial Officer of the Australian & New Zealand Banking Group. Mr Brook brings to the Board extensive executive experience in Australia, America, the UK and Africa, across a range of industries including mining, finance, manufacturing and chemicals. He is chairman of Risk Management Committee. He is Non-executive Director of CSL Limited and Newmont Corporation. He is Corporate Governance Advisory Committee - Member and Guide Dogs Victoria - Director.

Mr Robinson has held various senior management and executive roles during his executive career which spans over 30 years, including as a Director of Merrill Lynch Investment Banking, CFO/ CDO of BHP Petroleum, Finance Director and ultimately Managing Director & Chief Executive Officer of Newcrest Mining Limited. Mr Robinson brings to the Board senior executive experience in strategy, projects, operations, finance, accounting, capital management and risk management within the mining, oil and gas industries in Australia and internationally. He is Deputy Chairman and Non-executive Director of Royal Automobile Club of Victoria (RACV)

Mr Kruger is the former Managing Director & Chief Executive Officer of Toll Holdings Limited, having joined Toll in 2009 as Chief Financial Officer, before being appointed Managing Director & Chief Executive Officer in 2012. Prior to joining Toll, Mr Kruger had a career spanning 25 years in the resources and industrial sectors in Australia and the U.S. Mr Kruger brings to the Board experience in the industrial sector and a deep knowledge of manufacturing operations including in North America, as well as executive leadership experience in the Australian listed company environment. He is Member of the Health, Safety, Environment and Community Committee. He is also director of Racing Victoria Limited - Chairman

Ms Dwyer is an experienced non-executive director and has executive experience in investment banking, funds management, real estate and corporate strategy. Ms Dwyer had a 23-year executive career in investment banking and real estate during which she held senior management roles with Hambros Bank Limited and Societe Generale in the UK. She was the Head of Funds Management of Quintain Estates & Development plc (an LSE listed property company comprising funds management, investment and urban regeneration) from 2003 before being promoted as an Executive Director of Quintain from 2006 to 2010. Prior to joining Quintain, Ms Dwyer was a Director of Investment Banking at Hambros Bank, Societe Generale and SG Cowen. Ms Dwyer is currently an independent non-executive director of DEXUS Property Group and DEXUS Wholesale Property Fund, ALS Limited, Metcash Limited and OZ Minerals Limited. She is the Deputy Chancellor and member of the Senate of the University of Queensland, and a director of Chief Executive Women and the Sir Monash Foundation. She will retire from the Board of Metcash Limited in late June 2021. She has previously held non-executive directorships on Cardno Limited and Queensland Treasury Corporation.

Dr Liu is a experienced non-executive director who has had executive experience in leading global mining and processing businesses, including a 26-year career with Rio Tinto. Dr Liu brings to the Board her executive experience in Australia, America, Asia and Europe, across a range of industries including global mining and processing businesses. Dr Liu is Member of the Health, Safety, Environment and Community Committee and Member of the Risk Management Committee. Dr Liu is a Non-executive Director of South32 Limited and was Non-executive Director of Newcrest Mining Limited and Iluka Resources Limited. Dr Liu is Chancellor of Queensland University of Technology.

Ms Johns is a global executive and chemical engineer with over 30 years experience in the international refining, petrochemicals, oil and gas industries. Ms Johns brings to the Board her broad experience in the chemicals and energy sectors, having held executive roles in North America, UK, China, Europe and Asia. Her global experience includes a deep understanding of the strategic and operational issues facing companies in cyclical and commodity-based businesses. She is Member of the Health, Safety, Environment and Community Committee. Other listed company directorships in the past three years includes: Tate & Lyle, plc - Non-executive Director (2016 - 2017)Parsons Corporation - Non-executive Director (2014 - 2017). Other directorships/appointments includes: International Fertilizers Association - Director, Australian Climate Leaders Coalition (CLC) - Founding Member, American Chamber of Commerce in Australia (AmCham) Council of Governors - Chair, Victoria, Liveris Academy for Innovation and Leadership and University of Queensland - Advisory Board Member.

Mr Biltz is an experienced non-executive director who has executive experience in the industrial chemicals sector. Mr Biltz has held various senior management and executive roles during his executive career which spans over 40 years, including as President & CEO of Traverse Advisors, President & CEO of PQ Corporation, Executive Vice President at Axiall Corporation and over a 30 year career with The Dow Chemical Company where he held various senior management and executive roles including as Corporate Vice President - President of the Energy Business Unit and Corporate Vice President of Strategic Development & Planning. Mr Biltz is currently the Executive Chair of the Board at Kymera International and was previously a director of PQ Corporation, Zeolyst International, the American Chemistry Council and the Army Aviation Heritage Foundation.

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