Block Admission Application

Petra Diamonds Ld 08 June 2007 Petra Diamonds Limited Block Admission Application Petra Diamonds Limited (the 'Company') announces that an application has been made to the AIM Market of the London Stock Exchange for the admission of 100,000 ordinary shares of £0.10 each in the Company to satisfy obligations under the Company's share option scheme. These shares will be allotted and issued in due course in accordance with the rules of the option scheme and will rank pari passu in all respects with the existing ordinary shares in issue. Trading in the ordinary shares under the block admission is expected to commence on 14 June 2007. Ends For further information, please contact: Cathy Malins / Annabel Leather Telephone: +44 (0) 20 7851 7480 Parkgreen Communications, London This information is provided by RNS The company news service from the London Stock Exchange END LISILFEERRITIID