A new sustainability bond aimed at integrating artisanal miners into formal supply chains is set to be piloted in Africa this year, industry sources said Wednesday.
The initiative, spearheaded by Canada-based advisory firm Veridicor in partnership with Zambia’s mid-tier copper miner Metalex Commodities, seeks to professionalize artisanal mining operations while delivering social, environmental, and economic benefits.
Artisanal and small-scale mining provides livelihoods for hundreds of millions worldwide, but in Africa it often operates informally on or near commercial mines. This practice has historically reduced profits for industrial operators, caused environmental degradation, and deprived governments of much-needed revenue.
Stakeholder prosperity bond
The pilot instrument, termed a “stakeholder prosperity bond”, links investor returns to predefined social and environmental targets rather than mining output, said Rob Karpati, finance director at Veridicor.
“Instead of pushing artisanal miners off land, this model professionalises them,” Karpati told Reuters. The bond’s proceeds will fund regulated offtake agreements, shared infrastructure, and equipment investments, allowing artisanal miners to operate legally while securing a fair price for their ore.
The first issuance is expected to raise between US$100 million and US$200 million by year-end, with funds directed at Metalex’s operations in northwestern Zambia. Industrial mines will act as anchors in the structure, supporting repayment while providing artisanal miners with a stable market for their output.
Investor interest and scale
Potential investors include European sustainability bond funds, impact and mining investors, banks, and high-net-worth individuals focused on sustainable development. The structure allows industrial operators to expand artisanal integration programs beyond what their balance sheets alone would permit, creating a win-win scenario for companies, miners, and host communities.
Metalex founder and CEO Ayo Sopitan said the bond would enable the company to source around 30% of its ore from trained, licensed local miners, scaling integration programmes and strengthening the overall supply chain.
Industrial mines supporting the bond also benefit from secure offtake arrangements, while interest rates adjust according to the social and environmental performance of participating miners, reinforcing sustainability incentives.
Broader African rollout
Veridicor and Metalex plan to extend the model to the Democratic Republic of Congo and Ghana, two other countries with extensive artisanal mining sectors. Karpati emphasized that anchor mines are central to the bond’s viability: “Large mines tend to be the anchor of these [bonds] because it’s got to go on someone’s balance sheet. They gain financially from offtake, and artisanal miners gain from a fair price, not some predatory intermediary.”
Analysts note that artisanal mining often suffers from unsafe conditions, child labor, and environmental hazards. Linking finance to social and environmental outcomes represents a novel approach to mitigating these risks while promoting formalisation and productivity in the sector.
Sustainability and development impact
The bond aligns with broader efforts to professionalize artisanal mining in Africa, enhance transparency, and provide communities with stable livelihoods. By formalizing operations and integrating miners into regulated supply chains, countries can increase tax revenues, reduce environmental damage, and improve occupational safety.
The pilot issuance marks a first-of-its-kind attempt in Africa to use market-based instruments to achieve social and environmental objectives in mining, potentially offering a replicable model for other resource-rich countries.
“Industrial mines end up gaining financially because they get offtake from it, and the artisanal miners gain financially because they get a fair price,” Karpati said, summarizing the bond’s dual impact.
If successful, the stakeholder prosperity bond could reshape the relationship between industrial operators and artisanal miners, formalize a previously opaque sector, and attract sustainability-focused capital to African mining operations at scale.