Petra’s historical sustainability reports can be accessed on the Company’s website petradiamonds.com/investors/results-reports For further information, please contact Petra’s team in London InvestorRelations@petradiamonds.com + Overview 02 About Petra 03 FY 2016 Highlights 04 At a Glance 06 Introduction from the CEO 08 Business Model 10 Key Performance Indicators 12 Stakeholder Engagement 14 Material Issues Governance 18 Governance and Risk Management 19 Remuneration 20 HSSE Committee 21 Upholding the Value of Diamonds Health and Safety 26 Our Approach 28 Performance Our People 32 Our Approach 33 Training and Development 37 Diversity 38 Labour Relations Environment 42 Our Approach 43 Climate Change and Energy Usage 45 Water Management 46 Waste Management 47 Biodiversity and Land Management Community 50 Our Approach 51 Community and Stakeholder Engagement 53 Group Social Investment 55 Generating Economic Benefits 56 Local Procurement Supplementary Information 57 Additional Disclosures 67 GRI Navigator 72 Glossary Sustainability is at the heart of Petra.