Copper 360 appoints Graham Briggs as new CEO

Graham Briggs, who served as CEO of Harmony Gold from 2008 to 2015, has been appointed Group Chief Executive Officer (CEO) of Copper 360, effective June 1, 2025. A seasoned mining leader, Briggs spent 20 years with Harmony before his retirement.

Briggs brings a wealth of experience and strategic expertise to Copper 360 within the mining and resources sector. His operational and managerial experience was developed at several South African, Australian, Canadian and Papua New Guinean gold mines. He is the non-executive Chairman of Salamander Magnesium and a former Vice President of the Chamber of Mines of South Africa. His commitment to operational efficiency, innovation, and sustainability aligns seamlessly with Copper 360’s goal of positioning itself as a disciplined and profitable copper mining firm.

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Shirley Hayes, the current CEO and majority shareholder, appointed Briggs as part of her strategic plan to realise the potential of Copper 360 and to enhance the diversity of the leadership team. Hayes will transition to a non-executive role on the Board of Directors of Copper 360 and will lead the newly formed Risk Committee of the Board, assisting Briggs in an organised transition. These leadership changes reflect her ongoing dedication to the Company’s advancement and achievement, ensuring that the guidance and expertise she has offered so far continue to benefit Copper 360.

Under Hayes’s time, Copper 360 focused its resources on creating a platform for sustainable, profitable hard rock mining with consistent grade and mineralogy, while concurrently transitioning out of broken rock processing.

Briggs expressed his gratitude saying he is excited to join Copper 360 at such a pivotal time. “Copper 360 has a vast inventory of copper in the ground and proven processing capability that is scalable. I look forward to working closely with the Board, management, and the dedicated operational team to unlock the true potential of the Company.”

Hayes emphasised that Graham’s appointment is an important step in their strategic roadmap to transform Copper 360 into a disciplined, multi-mine copper producer. “His track record of operational excellence and value creation will be invaluable in creating sustainable and profitable growth, and I am committed to support him in delivering that vision,” said Hayes.