Mr Arndt has a track-record in the management of open pit and underground mining operations across the gold and base metals sectors in Australia and overseas. Most recently, he was the Managing Director of Perilya Mines Ltd, which owns the Broken Hill base metals mining complex in New South Wales and developed and operates the first underground mine in the Dominican Republic. Prior to joining Perilya, he was General Manager of the Telfer Gold Mine in Western Australia for Newcrest Mining. Over his 40-year career, he has also held senior management positions with MIM Holdings and Pasminco, including operating smelters and refineries, as well as Australian industrial companies, BGC and Boral. He has also consulted for business improvement specialists, Partners in Performance. Mr Arndt was previously a Non-Executive Director of Panaust Limited from 2018 to 2024. He is member of Diversity Committee and Risk, Safety, Environment and Community Committee.