Š Employee training and development expenditure: US$ WHY THEY ARE IMPORTANT Š Our customers buy the diamonds mined at our operations and are therefore the primary source of revenue for the Group Š Long-standing relationships with customers ensure an ethical supply chain for our product KEY ISSUES Š Ethical provenance Š Consumer demand Š Reliability of supply Š Transparent and fair marketing system Š Quality of goods Š Heritage of our assets HOW WE ENGAGE Š Continuous communication with our client base Š Open door policy and high level of business transparency Š Full certification of product Š Site visits to operations Š Industry advocacy via the DPA HOW WE DELIVER VALUE Š Conflict-free production: 100% Š Million carats sold: 4.0 Š Marketing spend committed by DPA: US$57 million Defining our material topics Petra defines a material topic as an ESG issue that is of critical importance both to its stakeholders and to its long-term success as a business.