Sustainability Report

2025 Sustainability Report

In 2025, MMG remained focused on safe and responsible operations, strengthening our workforce and leadership capability, supporting local economies and supply chains, and embedding strong governance, environmental stewardship and sustainability practices across the business.

Who we are

MMG is a mid-tier, global producer of base metals, listed on the Hong Kong Stock Exchange (HKEx:1208). We operate and develop copper, zinc, molybdenum, cobalt, and other base metal projects across Australia, Botswana, the DRC, and Peru. Our commitment to sustainable practices, responsible resource management, and community engagement drives our operations, supporting the transition to a lower-carbon economy and fostering resilient local economies.

Health, safety and wellbeing

We are focused on preventing serious incidents and supporting health, safety and wellbeing through strong leadership, risk management and a culture of learning across our operations.

Social engagement and investment

We engage with communities and Indigenous peoples to manage impacts, build trust and support local development through targeted engagement, partnerships and social investment.

People and culture

We are building a capable and inclusive workforce by strengthening leadership, supporting wellbeing and reinforcing a culture of accountability, respect and performance.

Climate change action

We are responding to climate change by strengthening resilience to physical climate risks and embedding climate considerations into planning, decision-making and future pathways.

Managing environmental impacts

We manage environmental impacts by focusing on responsible land, water and biodiversity management across the life of our assets, from design through to closure.

Our products and sustainable value chains

We aim to produce metals responsibly while strengthening sustainability, transparency and risk management across our value chains and customer relationships.

Ethical business conduct

We uphold ethical business conduct through strong governance, transparency and accountability, supporting responsible decision-making across the organisation.