Petra Diamonds Regulatory News (PDL)

Petra Diamonds Limited

(the "Company")

Exercise of Warrants

Application has been made to the UK Listing Authority and the London Stock Exchange plc for 2,100,000 ordinary shares of 10p each in the Company ("Shares") to be admitted to the Official List following the exercise of warrants.

The Shares will rank pari passu with the Company's existing ordinary shares and dealings are expected to commence at 8.00 a.m. on 08 November 2013.

Following admission of the shares, the Company will have a total of 511,701,048 ordinary shares in issue.

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About Petra Diamonds Limited

Petra Diamonds is a leading independent diamond mining group and an increasingly important supplier of rough diamonds to the international market. The Company has interests in six producing mines: five in South Africa (Finsch, Cullinan, Koffiefontein, Kimberley Underground and Helam) and one in Tanzania (Williamson). It also maintains an exploration programme in Botswana.

Petra offers an exceptional growth profile, with a core objective to steadily increase annual production to 5 million carats by FY 2019. The Group has a major resource base in excess of 300 million carats.

Petra conducts all operations according to the highest ethical standards and will only operate in countries which are members of the Kimberley Process. Petra is quoted with a premium listing on the Main Market of the London Stock Exchange under the ticker 'PDL' and is a member of the FTSE 250. For more information, visit the Company's website at www.petradiamonds.com.