Incorporated in Guernsey. Guernsey registration Number: 47656. South African external company registration number 2009/012636/10 Share code on JSE:GML / AIM:GEM ISIN: GG00BG0KTL52 | LEI: 21380017GAVXTCYS5R31 ("Gemfields" or the "Company") Cancellation and De-listing of Treasury Shares and Total Voting Rights LONDON, 15 AUGUST 2023 In accordance with AIM Rule 17, shareholders are advised that Gemfields has cancelled and de- listed 2,729,550 ordinary shares of USD0.00001 each in the Company ("Ordinary Shares"), such shares which were previously held in treasury having been repurchased by the Company pursuant to the share buy-back programme (the “Cancellation”). The Cancellation and de-listing will be complete on 16 August 2023, following completion of requisite approvals and filings. Following Cancellation there will be 1,221,918,104 Ordinary Shares in issue, each share carrying the right to one vote. This is also the total voting rights figure which may be used by shareholders as the denominator for the calculations by which they can determine whether they are required to notify their interests in, or a change to their interest in the Company. -ENDS- Further information on Gemfields Group Limited can be found at: GEMFIELDSGROUP.COM To join our investor mailing list, contact us on: ir@gemfields.com For any press enquiries please contact us on: gemfields@camarco.co.uk Gemfields Group Limited, Royal Chambers, St Julian’s Avenue, St Peter Port, GY1 4HP, Guernsey T +44 (0)1481 731 554 gemfieldsgroup.com This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) no. 596/2014 which forms part of domestic UK law pursuant to the European Union (withdrawal) act 2018 ("MAR"). ENQUIRIES GEMFIELDS Sean Gilbertson / David Lovett / Ian Hughes ir@gemfields.com T: +44(0) 20 7518 3400 SPONSOR (JSE) Investec Bank Limited NOMINATED ADVISER finnCap (AIM) & JOINT BROKER Christopher Raggett / Tim Redfern / Edward Whiley T: +44(0) 20 7220 0500 JOINT BROKER Liberum Scott Mathieson / Kane Collings T: +44(0) 20 3100 2222 FINANCIAL PR/ IR Camarco Gordon Poole / Emily Hall T: +44(0) 20 3757 4980 ADDITIONAL INFORMATION ON GEMFIELDS Gemfields is a world-leading responsible miner and marketer of coloured gemstones. Gemfields is the operator and 75% owner of both the Kagem emerald mine in Zambia (believed to be the world’s single largest producing emerald mine) and the Montepuez ruby mine in Mozambique (one of the most significant recently discovered ruby deposits in the world). In addition, Gemfields also holds controlling interests in various other gemstone mining and prospecting licences in Zambia, Mozambique, Ethiopia and Madagascar. Gemfields’ outright ownership of Fabergé - an iconic and prestigious brand of exceptional heritage - enables Gemfields to optimise positioning, perception and consumer awareness of coloured gemstones through Fabergé designs, advancing the wider group’s “mine and market” vision. Gemfields Group Limited Page 2 of 3 Gemfields has developed a proprietary grading system and a pioneering auction and trading platform to provide a consistent supply of coloured gemstones to downstream markets, a key component of Gemfields’ business model that has played an important role in the growth of the global coloured gemstone sector. GEMFIELDS GEMFIELDS.COM | INVESTORS |FOUNDATION INSTAGRAM | FACEBOOK | TWITTER | YOUTUBE FABERGÉ FABERGÉ.COM | INSTAGRAM | FACEBOOK | TWITTER | YOUTUBE KAGEM MINING LINKEDIN MONTEPUEZ RUBY MINING LINKEDIN Gemfields Group Limited Page 3 of 3