Significant Shareholding

Petra Diamonds Limited

("the Company")

Significant Shareholding

The Company has been notified that T. Rowe Price now holds 20,471,750 ordinary shares in the Company representing approximately 4.1% of the Company's ordinary issued share capital.

For further information, please contact:

Petra Diamonds, London

Telephone: +44 20 7318 0452

Cathy Malins

[email protected]

Buchanan

(PR Adviser)

Telephone: +44 20 7466 5000

Bobby Morse

[email protected]

James Strong

[email protected]

Canaccord Genuity Limited

(NOMAD and Joint Broker)

Telephone: +44 20 7050 6500

Robert Finlay

[email protected]

Andrew Chubb

[email protected]

RBC Capital Markets

(Joint Broker)

Telephone: +44 20 7653 4000

Joshua Critchley

[email protected]

Martin Eales

[email protected]

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