Notification of Q3 2026 Trading Update

RNS Number : 4960A

Gem Diamonds Limited

27 October 2026

GEM DIAMONDS LIMITED

("Gem Diamonds" or "the Company")

Notification of Q3 2026 Trading Update

Gem Diamonds Limited (LSE: GEMD) will be releasing a Trading Update on 4 November 2026 for the period 1 July 2026 to 30 September 2026.

The Gem Diamonds Limited LEI number is 213800RC2PGGMZQG8L67.

For further information:

Gem Diamonds Limited

Kiki Constantopoulos, Company Secretary

[email protected]

Celicourt Communications

Mark Antelme / Kathleen Beams

Tel: +44 (0) 207 777 6424

About Gem Diamonds:

Gem Diamonds is a leading global producer of high value diamonds. The Company owns 70% of the Letšeng mine in Lesotho. The Letšeng mine is famous for the production of large, exceptional white diamonds, making it the highest dollar per carat kimberlite diamond mine in the world.

www.gemdiamonds.com

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STREASEKALXKFFA

Date	27 Oct 2026
Time	07:00:02
Category	Miscellaneous
ID	4960A

Date	27 Oct 2026
Time	07:00:02
Category	Miscellaneous
ID	4960A

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Notification of Q3 2026 Trading Update