Statement re Nabera Mining

Petra Diamonds Ld 10 November 1999 PETRA DIAMONDS LIMITED (Mining and Exploration - AIM) Petra Diamonds Limited ('Petra') is pleased to announce that Nabera Mining (Pty) (Ltd) ('Nabera') in which Petra holds a 29.5% stake, has now complied with all the Conditions Precedent related to the Alexkor Management Contract it was awarded in March 1999. The South African Government has confirmed that all Conditions Precedent have been fulfilled and that Nabera is now in full management control of the Alexkor diamond mine. In addition to a management fee set at 20% of Alexkor's mining profit, but with a minimum of R100,000 (£10,000) per month, the consortium is entitled to recover its direct costs up to R500,000 (£50,000) per month. The opportunity for Petra other members of the consortium lies in its right to 33.1.3rd% of the increased valuation of Alexkor during the 2 year management period. Petra believes that there is enormous potential in Alexkor thus creating financial benefits from increasing Alexkor's value over the two years of the management contract. The consortium's strategy for success concentrates on the main elements of exploration which are increased production and diamond security. It has long been accepted that the quality of Alexkor diamonds is very high, particularly those recovered from marine mining, which has largely been ignored in the past. Remuneration from the Alexkor venture will comprise cash and equities thus providing significant opportunities for the growth of Petra Diamonds Limited. Since assuming responsibilities in May for the management of Alexkor, Petra has been instrumental in improving production from 140,000 carats per annum to 174,000 carats. Improvements continue to be made and speaking from South Africa, Petra's Chairman, Adonis Pouroulis said ' We are very excited at the improvements achieved already and we are determined that Alexkor will become a well-managed effective and efficient business entity' EDITORS NOTES: Alexkor is a state-owned diamond mine on the north-west coast of South Africa and has been a producing mine for over 70 years. Alexkor owns both land diamond mining concessions over an area of 100 kilometres and 5 kilometres wide (62.5 x 8.5 miles). Alexkor also owns 4,7000 square kilometres (1,800 square miles) of marine concessions. Diamonds were first discovered in this area in 1927 since which time over 10 million carats have been produced. Many adverse factors, including maladministration and theft resulted in this huge asset moving from profitability to significant losses which persuaded the Government to seek a private enterprise manager. Enquiries: PETRA DIAMONDS LIMITED Adonis Pouroulis, Chairman & Chief Executive 0027 82 492 9100 GRANT THORNTON (Nominated Adviser) 0171 383 5100 Brian Moritz, Gerry Beaney SEYMOUR PIERCE LTD. 0171 648 8700 Mark Percy BOSWELL CITY FINANCIAL PR LTD. 0171 583 2001 Glenda Boswell Mobile 0468 235 735
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