Harmony Gold Mining Completes MAC Copper Acquisition, Strengthening Global Copper Portfolio

MAC Copper


Harmony Gold Mining has finalized its acquisition of MAC Copper, securing the high-grade CSA copper mine in New South Wales, Australia. This strategic move enhances Harmony’s global copper portfolio and long-term production capacity. The acquisition, executed via Harmony Gold (Australia), represents a significant milestone in expanding the company’s base metals footprint.


Strategic Expansion into High-Grade Copper

The MAC Copper acquisition was completed through a Jersey law Scheme of Arrangement on 24 October, with Harmony purchasing all securities at $12.25 per share. This deal values the company’s equity at $1.01 billion (£756.7 million) and is financed through cash reserves and a $1.25 billion bridge facility. Harmony CEO Beyers Nel highlighted that CSA is a long-life, high-grade copper asset located in a Tier-1 jurisdiction, poised to enhance operational synergies and shareholder value.

The integration of CSA into Harmony’s operations will align with existing performance frameworks. Over the next three months, Harmony plans to optimize operational efficiency, implement ventilation projects, and develop the upper Merrin mine. These measures aim to unlock value from CSA while maintaining Harmony’s disciplined investment approach in Australia and Papua New Guinea.


Implications for Copper Markets and Scrap Industry

The acquisition reinforces Harmony’s position as a leading copper and gold producer, supporting long-term supply stability. This move also has implications for the regional copper market and scrap metal supply chains. As Harmony ramps up production, secondary copper recycling and scrap utilization may face adjustments, particularly in balancing local supply and export dynamics. Investors and industrial consumers will closely monitor CSA’s operational performance and its contribution to FY26 production forecasts.


ScrapInsight Commentary

Harmony Gold’s acquisition of CSA copper strengthens its global portfolio and market influence. Copper scrap markets may experience supply adjustments as new production ramps up, impacting regional recycling flows. This strategic expansion underscores the integration of primary and secondary metal sources in industrial planning.

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