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44Petra Diamonds Limited Annual Report and Accounts 2012Company AccountsGroup AccountsCorporate GovernanceOperational ReviewBusiness ReviewDiscover Petra DiamondsBoard of DirectorsDavid Abery (49)Finance DirectorRole Mr Abery leads the financial management of the Group and is responsible for financing, treasury, financial controls, reporting, legal, investor relations, compliance and corporate governanceCommittees Member of the Executive CommitteeDate of Appointment 2003Qualifications Chartered Accountant - ICAEWProfile Mr Abery has over 17 years' experience as a chief financial officer in both the South African and UK business environments. He has been integral to the structuring and delivery of strategic group corporate development and acquisitions at Petra, as well as the instigation of a number of innovative financing transactions. Mr Abery is responsible for all matters pertaining to Petra's UK listing.External appointments NoneJim Davidson (67)Technical DirectorRole Mr Davidson leads the technical management team and is responsible for the direction and implementation of the Group's technical and exploration programmesCommittees Member of the Executive CommitteeDate of Appointment 2005Qualifications Geologist - member of the Geological Society of South Africa and registered with the South African Council for Natural Scientific ProfessionsProfile Mr Davidson is an acknowledged world authority on kimberlite geology and exploration, as well as an expert on the optimal recovery of diamonds through plant processes and other automated methods. He has spent in excess of 30 years associated with diamond exploration and mining, of which over 20 years have included mine management in South Africa, and was formerly head of diamond exploration in southern Africa for BP Minerals (subsequently Rio Tinto) before joining Crown Diamonds. External appointments NoneJohan Dippenaar (55)Chief Executive OfficerRole Mr Dippenaar leads the management of the Group, implements the agreed strategy and runs the business on a day-to-day basisCommittees Member of the Executive Committee and Chairman of the HSSE CommitteeDate of Appointment 2005Qualifications Chartered Accountant - member of the South African Institute of Chartered Accountants Profile Mr Dippenaar has over 20 years' experience in the leadership and management of diamond mining companies. Prior to his appointment as CEO of Petra, he was CEO of ASX-quoted Crown Diamonds which merged with Petra in 2005. Since the merger, Mr Dippenaar has led Petra through a period of significant growth, taking the Company's annual production from circa 175,000 carats in FY 2006 to 2.2 million carats in FY 2012, and establishing the Company as a leading independent producer.External appointments NoneAdonis Pouroulis (42)Non-Executive ChairmanRole Mr Pouroulis leads the Board with focus on key strategic and corporate governance issuesCommittees Chairman of the Nomination CommitteeDate of Appointment 1997Qualifications Mining Engineer - University of Witswatersrand, South Africa Profile Mr Pouroulis is a mining entrepreneur whose expertise lies in the discovery and exploration of natural resources across Africa, including diamonds, precious/base metals, coal and oil and gas, and bringing these assets into production. Mr Pouroulis founded Petra Diamonds in 1997 and it became the first diamond company to float on AIM. He has since chaired Petra as it has developed into a mid-tier diamond producer of global significance and London's largest quoted diamond mining group.External appointments Chairman of Chariot Oil & Gas plc

Annual Report and Accounts 2012 Petra Diamonds Limited45Operational ReviewCorporate GoDiscover Petra DiamondsBusiness ReviewvernanceGroup AccountsCompany AccountsGordon Hamilton (66)Independent Non-Executive DirectorCommittees Chairman of the Audit and Remuneration Committees, member of the Nomination CommitteeDate of Appointment 28 November 2011Qualifications Chartered Accountant - ICAEWProfile Mr Hamilton retired from Deloitte & Touche LLP in 2006 after more than 30 years as a partner primarily responsible for multinational and FTSE 350 company audits, mainly in the mining, oil and gas and aerospace and defence industries, as well as heading the Deloitte South Africa desk in London. He served for nine years until 2011 as a member of the UK Financial Reporting Review Panel. Mr Hamilton has extensive experience as a non-executive director across a wide range of businesses.External appointments Non-executive director of Barloworld, Beazley plc, Fairbairn Private Bank and other related companies within the Nedbank Group.Tony Lowrie (70)Senior Independent Non-Executive DirectorCommittees Member of the Audit, Remuneration and Nomination CommitteesDate of Appointment 12 September 2012Qualifications Royal Commission, Sandhurst Military AcademyProfile Mr Lowrie has over 35 years' association with the equities business and is an experienced non-executive director. He has had a lengthy and distinguished career, which included senior positions with the Hoare Govett group and HG Asia Securities. Between 1996 and 2004 he was chairman for ABN AMRO Asia Securities and was formerly also a managing director of ABN AMRO Bank. He has been a non-executive director of Allied Gold Mining Plc, Dragon Oil plc, J. D. Wetherspoon plc, as well as several quoted Asian closed end funds. External appointments Director of the Edinburgh Dragon Fund and non-executive director of Kenmare Resources plc.Dr Omar Kamal (39)Non-Executive Director(Dr Kamal is not deemed independent as he represents Al Rajhi Holdings W.L.L., Petra's largest shareholder, which holds 13% of the Company's issued share capital.)Committees None Date of Appointment 2010Qualifications Ph.D. Management (Banking and Finance)Profile Dr Kamal has over 13 years' experience within the field of finance and investments. His career to date comprises increasing high level management responsibility leading to his present post as Co-CEO of the Al Rajhi Group of companies. Dr Kamal has attained a broad spectrum of expertise and knowledge from his extensive experience as an academic, his works as a key executive in two regional banks in the Arab region, and as a Partner at Ernst & Young managing Islamic finance advisory business. Dr Kamal continues to manage investment deals globally, predominantly in the Asia Pacific, Middle East, Africa and Europe regions.External appointments Co-CEO of the Al Rajhi Group of companies.Dr Pat Bartlett (67)Independent Non-Executive DirectorCommittees Member of the Audit, Remuneration and Nomination CommitteesDate of Appointment 28 November 2011Qualifications Member of the South African Institute of Mining and Metallurgy; registered Professional Natural ScientistProfile Dr Bartlett was formerly a chief geologist for De Beers until his retirement in 2003 and is an acknowledged leading expert on kimberlite geology and block caving. Dr Bartlett has extensive experience working across southern Africa and has an in-depth knowledge of several of the mines acquired by Petra, having previously worked at Finsch, Koffiefontein, Kimberley Underground and Cullinan. Since retiring from De Beers, he has consulted on block caving projects for BHP Billiton, Anglo American and Rio Tinto.External appointments A director of the Board of Trustees for the De Beers Benefit Society and the De Beers Pension Fund.