Tailings dams, liability and D&O coverage

As the world shifts towards cleaner energy, the risk environment is changing in complex ways. At QRG, we see this playing out across a range of sectors, and the mining industry, in particular, is facing new and amplified risks.

Unprecedented demand for strategic minerals is driving a surge in mining activity, and with it, an increase in waste material. This is a critical risk factor for the infrastructure where mining waste is stored: tailings dams. Tailings dam failure can have catastrophic consequences, making them not only an engineering challenge, but also a direct test of governance and accountability for mining firms.

One of Collaboration Underwriting’s (CoLab) specialties is Directors’ and Officers’ liability insurance, and it’s part of the QRG group as a trading name of QRG MGA Pty Ltd. Alistair Sandilands, senior D&O underwriter at CoLab, puts the accountability challenge into perspective:

For directors in the mining and related industries, the integrity of decision-making is as critical as the physical integrity of the tailings dam.

A single failure can trigger severe environmental damage, human harm and economic loss – often followed by regulatory investigations, shareholder litigation and personal liability claims. Even well-intentioned decisions, made with the best information at the time, may later be recast as negligence, mismanagement or inadequate disclosure.

Insurance is a key backstop, but not always as robust as directors assume. Following a series of high-profile losses, insurers are increasingly reluctant to offer full limits of liability for environmental or tailings dam-related exposures under standard D&O programmes. Sub-limits, exclusions or separate towers of cover are now common, meaning that the nominal policy limit may not be fully available for these categories of claims.

Sandilands flags the risks in assuming coverage:

Directors who assume that their ‘headline’ D&O limit automatically applies to such events may face a significant shortfall at the very moment comprehensive protection is needed. Without appropriate limits, carve-backs and Side A protection, legal defence costs alone can materially impact a company’s balance sheet – and directors’ personal assets.

To navigate these risks effectively, CoLab advises a proactive, structured approach. Directors should include these actions in their proactive risk-management and decision making:

● Embed rigorous governance and compliance frameworks.
● Conduct independent audits of tailings facilities.
● Ensure Board minutes clearly capture the basis for decisions and risk trade-offs.
● Regularly review insurance arrangements for adequacy, sub-limit exposures and available reinstatements.

By focusing on clear communication and practical risk coverage – while understanding the limits of what insurance can do – directors can better protect themselves, their companies and shareholder value when managing some of mining’s riskiest challenges.