Block Listing Six Monthly Return

21 December 2012

LSE: PDL

Name of company:

Petra Diamonds Limited

Name of schemes:

Petra Diamonds Limited 1997 and 2005 Share Option Plans

Period of return:

From 25 June 2012 to 21 December 2012

Balance of unallotted securities under schemes from previous return:

17,123,178

Number of shares issued under schemes during period :

1,454,033

Number of shares cancelled under the scheme during period:

28,050

Balance under schemes not yet issued at end of period:

15,641,095

Number and class of shares admitted under schemes and the date of admission:

19,317,259 (22 December 2011)

Petra Diamonds, London

Telephone: +44 20 7494 8202

Cathy Malins

cathym@petradiamonds.com

Buchanan

(PR Adviser)

Telephone: +44 20 7466 5000

Bobby Morse

Cornelia Browne

bobbym@buchanan.uk.com

corneliab@buchanan.uk.com

RBC Capital Markets

(Joint Broker)

Telephone: +44 20 7653 4000

Martin Eales

martin.eales@rbccm.com

Pierre Schreuder

pierre.schreuder@rbccm.com

Canaccord Genuity Limited

(Joint Broker)

Telephone: +44 20 7523 8000

Rob Collins

Andrew Chubb

rcollins@canaccordgenuity.com

achubb@canaccordgenuity.com