Vesting of Share Awards

Petra Diamonds Limited

(the "Company")

Vesting of Share Awards

Following the vesting of shares with the Company's Directors and Senior Management related to the Company's 2011 Longer-Term Share Plan (applies to both Directors and Senior Management) and 2012 Performance Share Plan (applies to Directors), application has been made to the UK Listing Authority and the London Stock Exchange plc for 5,132,178 ordinary shares of 10p each in the Company ("Shares") to be admitted to the Official List.

Included in this total is an amount of 475,415 ordinary shares issued under the 2012 Performance Share Plan (refer to the announcement 'Director Share Grants' dated 28 November 2014).

The Shares will rank pari passu with the Company's existing ordinary shares and dealings are expected to commence at 8.00am on 8 October 2015.

Following admission of the Shares, the Company will have a total of 522,795,562 ordinary shares in issue.

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For further information, please contact:

Petra Diamonds, London Telephone: +44 20 7494 8203

Cathy Malins [email protected]

Cornelia Grant [email protected]

Buchanan Telephone: +44 20 7466 5000

(PR Adviser)

Bobby Morse [email protected]

Anna Michniewicz [email protected]

RBC Capital Markets Telephone: +44 20 7653 4000

(Joint Broker)

Matthew Coakes [email protected]

Jonathan Hardy [email protected]

Barclays Telephone: +44 20 7623 2323

(Joint Broker)

Bertie Whitehead [email protected]

Philip Drake [email protected]

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 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 member of the FTSE 250. For more information, visit the Company's website at www.petradiamonds.com.