Total Voting Rights

Petra Diamonds Limited

("Petra", the "Company" or the "Group")

Total Voting Rights

Petra Diamonds Limited today announces that in conformity with the Transparency Directive, Petra's issued share capital as at 30 June 2015 consisted of 518,138,799 ordinary shares of 10p each ("Ordinary Shares") with voting rights. No Ordinary Shares are held in treasury. Therefore, the total number of voting rights in Petra is 518,138,799.

The above figure of 518,138,799 Ordinary Shares may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in (or a change to their interest in) Petra under the FSA's Disclosure and Transparency Rules.

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For further information, please contact:

Petra Diamonds, London Telephone: +44 20 7494 8203

Cathy Malins cathy.malins@petradiamonds.com

Cornelia Grant cornelia.grant@petradiamonds.com

Buchanan Telephone: +44 20 7466 5000

(PR Adviser)

Bobby Morse bobbym@buchanan.uk.com

Anna Michniewicz annam@buchanan.uk.com

RBC Capital Markets Telephone: +44 20 7653 4000

(Joint Broker)

Matthew Coakes matthew.coakes@rbccm.com

Jonathan Hardy jonathan.hardy@rbccm.com

Barclays Telephone: +44 20 7623 2323

(Joint Broker)

Bertie Whitehead bertie.whitehead@barclays.com

Marcus Jackson marcus.jackson@barclays.com

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 five producing mines: four in South Africa (Finsch, Cullinan, Koffiefontein and Kimberley Underground) 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