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Petra Diamonds Limited Sustainability Report 201236ENVIRONMENTAL PERFORMANCEEnvironmental PerformanceProtecting our environment continuedEnvironmental audits continuedThe table below summarises the audits carried out in FY 2012 and the main outcomes. OperationAuditOutcomeCullinanInternal EMSA number of opportunities for improvement were identified and actioned in preparation for the external audit. External ISO 14001 (recertification) Successful recertification.FinschLegal ComplianceA number of non-conformances were identified. The action plans to address these issues are in various stages of implementation.EMP Performance AssessmentIt was identified that an update to the current document is required. The mine is in the process of drafting an updated EMP.Internal EMSA number of repeat findings were identified. The mine is implementing action plans to address the identified non-conformances. External ISO 14001 (recertification)Successful recertification.KoffiefonteinLegal Compliance and EMP Performance Assessment This was the first time the mine had such an audit and a number of issues were identified to receive attention. Most of the areas identified during the audit will require long-term plans to rectify. Kimberley UndergroundLegal Compliance and EMP Performance AssessmentThis was the first time the mine had such an audit and a number of issues were identified to receive attention. Most of the areas identified during the audit will require long-term plans to rectify. WilliamsonLegal Compliance and EMP Performance AssessmentIn 2006 a comprehensive external audit was carried out. Annual internal on-mine audits take place and issues raised are identified and addressed. Negotiations have started to conduct the next comprehensive audit to meet regulatory requirements.Waste managementThe effective management of waste is an environmental priority for Petra. The Group has implemented procedures to assist with waste management and disposal and regularly monitors these procedures. We recycle waste generated at our operations wherever possible. Waste management presents a number of challenges for our operations, including sourcing suitable waste handling contractors in the Northern Cape Province in South Africa and finding solutions regarding waste tyre recycling across our operations. Total weight of waste by type and disposal methodWaste generatedUnitFinschCullinanKoffiefonteinKimberley UndergroundHelamSedibengStarWilliamsonCans sent for recyclingt00.300.20000Cardboard/paper sent for recyclingkg3,8003,1601,3609780000Conveyor belting sent for recyclingt74321.160000Glass sent for recycling t00000000Lead acid batteries sent for recycling/re-useunits32115402710009Plastic sent for recycling/re-uset044000000Scrap metal sent for recyclingt4699592863377903045Toner/ink cartridges sent for recyclingunits15000290000Tyres sent for recyclingunits03800275000150Used oil/grease sent for recyclingl42,89854,040012,035020,400012,000Hazardous waste disposedm3642161140500Non-hazardous waste to landfillm31,186211401,61810801,0405,400Waste incineratedm33812000000500The following table indicates the total areas of depositions on the various mines: Land disturbance typeUnitFinschCullinanKoffiefonteinKimberley UndergroundHelamSedibengStarWilliamsonArea of pitsHa 574153103004146Area of excavationsHa0-00004146Area of overburden dumpsHa30 -0000520Area of waste rock dumpsHa208 81180488.86360Area of fine residue depositsHa621 339152 1751112.271732Area of coarse residue deposits Ha1782751401011719.391185Area of ore stockpiles Ha01780005Area of infrastructure Ha80 51152 n/a27n/a141,600

Petra Diamonds Limited Sustainability Report 201237ENVIRONMENTAL PERFORMANCEEnvironmental PerformanceCase study: Koffiefontein champions the SecretarybirdKoffiefontein champions the SecretarybirdPetra is proud to be a BirdLife Species Champion in order to actively contribute to the future protection of the Secretarybird and to raise awareness about the importance of bird conservation.Koffiefontein has long provided a home to the beautiful 'Secretarybird', a large, mostly terrestrial bird of prey endemic to Africa, which nests in the trees on the mine's game farm. In FY 2012, Koffiefontein elected to become a BirdLife Species Champion in order to actively contribute to the species' future protection and to raise awareness about the importance of bird conservation. BirdLife International is a global partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity.The species' status was recently downgraded from 'Near-threatened' to 'Vulnerable' by BirdLife International, with early indications of a considerable decline in the species' range and numbers in South Africa. Evidence collated to date suggests that its population is under threat, due to factors such as habitat degradation, disturbance, hunting and capture for trade, and potential man-made dangers such as power lines, cars and electric fences. However more research is needed to properly assess the species and the reasons for its decline.By becoming a BirdLife Species Champion, Koffiefontein will financially support a new BirdLife research project. The key objectives of this project are to accurately determine the territory size, habitat and foraging range of the species, record juvenile dispersal and obtain information about the species' distribution and reasons for mortality.The main research method will be to fit GPS trackers to a number of Secretarybirds in order to monitor their daily movements. The project will then also launch an awareness campaign to inform the public about the conservation plight of the Secretarybird and about the threats that are responsible for the decline. Ester van der Westhuizen-Coetzer, the environmental practitioner at Koffiefontein, commented, "Birds are the forgotten ones when it comes to conservation and funding thereof, but they actually play a very important role in the ecosystem, not only as bio indicators but also in the whole cycle of ecology. Therefore we here at Koffiefontein thought it would set a great example for Petra to support the BirdLife project, so that we can start spreading the word about the importance of bird conservation."By providing this support, Petra is making a considerable contribution to ensuring the future of this vulnerable species.Images courtesy of Albert Froneman (photographer)Ester van der Westhuizen-Coetzer and one of the Secretarybirds at KoffiefonteinThe Secretarybird (Sagittarius serpentarius) is a large and charismatic terrestrial bird of prey that is familiar and easily recognised. It uses a variety of habitats across its range in sub-Saharan Africa. It lives predominantly on small terrestrial mammals, smaller birds and their eggs, insects, reptiles and amphibians, and snakes and forms an important link in the food chain.