BLOCK LISTING SIX MONTHLY RETURN

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Name of applicant:

Gem Diamonds Limited

Name of scheme:

Gem Diamonds Long Term Incentive Plan 2007

Period of return

From 20 April 2017 to 19 October 2017

Balance of unallotted securities under scheme(s) from previous return:

625,507

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

180,859

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

444,648

The Gem Diamonds Limited LEI number is 213800RC2PGGMZQG8L67.

For further information:

Gem Diamonds Limited
Susan Wallace, Company Secretarial department
Tel: +44 (0) 203 043 0280
ir@gemdiamonds.com

Celicourt Communications
Mark Antelme / Joanna Boon
Tel: +44 (0) 207 520 9261

About Gem Diamonds:

Gem Diamonds is a leading global diamond producer of high value diamonds. The Company owns 70% of the Letšeng mine in Lesotho and 100% of the Ghaghoo mine in Botswana. The Letšeng mine is famous for the production of large, top colour, exceptional white diamonds, making it the highest dollar per carat kimberlite diamond mine in the world. The Ghaghoo mine in Botswana has been placed on care and maintenance until market conditions allow for recommencement of production.