ICMM Member ? Whether a company is a member of the International Council on Mining & Metals (ICMM)

EITI Supporter ? Whether the company is a supporter of the Extractive Industries Transparency Initiative

IRMA Member ? Whether a company is a member of the Initiative for Responsible Mining Assurance (IRMA)

VPI Member ? Established in 2000, the Voluntary Principles on Security and Human Rights are a set of principles designed to guide companies in maintaining the safety and security of their operations within an operating framework that ensures respect for human rights and fundamental freedoms.

Human Rights Policy ? Company policy describing its approach and commitment to human rights

Responsible Mining Index ? This company is assessed on the Responsible Mining Index, an evidence-based assessment of the economic, environmental, social and governance (EESG) policies and practices of large-scale mining companies