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Petra Diamonds Limited Sustainability Report 20126OVERVIEWOverviewOur operations continuedKimberley UndergroundOperation comprises Bultfontein, Dutoitspan and Wesselton kimberlite pipesKEY FACTS$ Historic source of large diamonds and fancy yellows$ Production of 68,422 carats and revenue of US$19.8 million in FY 2012$ 581 people: 581 employees and 0 contractors$ Petra ownership 74%; BEE partners 26% (Sedibeng Mining (Pty) Ltd)Petra Diamonds BotswanaBotswana is the world's largest diamond producer by valueKEY FACTS$ Petra holds 12,725km² of diamond exploration ground$ US$3.0 million exploration spend in FY 2012$ 11 people: eight employees and three contractorsWilliamsonTanzania's most important diamond producerKEY FACTS$ Renowned for high value white and 'bubblegum' pink diamonds$ Production of 57,050 carats and revenue of US$11.6 million in FY 2012$ 1,201 people: 563 employees, 638 contractors$ Petra ownership 75%; United Government of the Republic of Tanzania 25%Other DepartmentsKEY FACTS$ Petra has, along with its BEE partners, commenced a public disposal process in respect of the Fissure Mines, as they are no longer core to the Group's portfolio$ Production of 70,874 carats and revenue of US$17.7 million in FY 2012$ 1,219 people: 1,209 employees and ten contractors$ Helam ownership: Petra 74%, BEE partner 26% (Sedibeng Mining (Pty) Ltd)$ Sedibeng ownership: Petra 74.5%, 25.5% BEE partner (Sedibeng Mining (Pty) Ltd 17.85% and Bokone Properties (Pty) Ltd 7.65%)$ Star ownership: Petra 74%, BEE partner 26% (Sedibeng Mining (Pty) Ltd)Sorting, Marketing and SalesKEY FACTS$ Petra sorts its rough diamonds mined in Tanzania and South Africa$ Sales tenders are carried out in both South Africa (Johannesburg) and Belgium (Antwerp)Group/Corporate/Central Technical and Operations SupportKEY FACTS$ Petra is headquartered in Jersey, with administrative offices also in Johannesburg and London $ US$10.0 million corporate overhead spend in FY 2012Fissure MinesPortfolio of three mines (Helam, Sedibeng and Star)

Petra Diamonds Limited Sustainability Report 20127OVERVIEWOverviewBusiness modelBusiness modelThrough its strong and responsible leadership, Petra is investing in the expansion and optimisation of its world-class assets in order to deliver significantly increased production in the years to come. Underpinning Petra's strategy is a focus on safety and sustainability, thereby driving value for all stakeholders.LEADERSHIP AND RESPONSIBILITYThe Company is committed to the responsible development of its assets, to the benefit of all stakeholders.FOCUS ON SAFETY AND SUSTAINABILITYCorporate social responsibility is integral to the way the Group structures and operates its mining, development and exploration projects.INVESTINGPetra has committed significant capital in order to extend the lives of its mines. OPTIMISE RECOVERIESPetra is focused on 'value' as opposed to 'volume' production and plans its mining and processing to capture a mine's optimal rough diamond profile. WORLD-CLASS ASSETSPetra has acquired five of the world's important diamond mines and in so doing has compiled a major diamond resource of over 300 million carats.EXPANSION OF MINES AND EXPLORATION Petra has expansion plans in place at each of its operations and is seeking to discover new, economic kimberlites through its exploration programme in Botswana.PRODUCTION GROWTHPetra has set out a transparent growth path which is expected to see production rising from 2.2 million carats in FY 2012 to 5 million carats by FY 2019.STAKEHOLDER VALUEPetra's exceptional growth profile is expected to deliver substantially higher revenues and earnings over time, which will in turn deliver value to all stakeholders.FOCUS ON SAFETY AND SUSTAINABILITYFOCUS ON SAFETY AND SUSTAINABILITYFOCUS ON SAFETY AND SUSTAINABILITYFOCUS ON SAFETY AND SUSTAINABILITYGROWTHOPTIMISINGSTAKEHOLDER VALUELEADERSHIP AND RESPONSIBILITYEXPANSIONINVESTINGASSETS Uncover OUR STRATEGY