Petra Diamonds Regulatory News (PDL)

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 29 April 2016 consisted of 522,854,217 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 522,854,217.

The above figure of 522,854,217 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 FCA'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

Salisha Ilyas salisha.ilyas@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

Philip Drake philip.e.drake@barclays.com

BMO Capital Markets Telephone: +44 20 7236 1010

(Joint Broker)

Jeffrey Couch jeffrey.couch@bmo.com

Neil Haycock neil.haycock@bmo.com

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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 operations: four underground mines in South Africa (Finsch, Cullinan, Koffiefontein and Kimberley Underground), extensive tailings operations in Kimberley (via its interest in the Kimberley Mines) and one open pit mine in Tanzania (Williamson). It also maintains an exploration programme in Botswana.

Petra has a core objective to steadily increase annual production to ca. 5 million carats by FY 2019. The Group has a significant resource base of ca. 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 constituent of the FTSE4Good Index. For more information, visit the Company's website at www.petradiamonds.com/.