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GEMFIELDS GROUP LIMITED Incorporated in Guernsey . Guernsey registration number : 47656 South African external company registration number : 2009/012636/10 Share code on JSE : GML ( General Segment of JSE Main Board ) / AIM : GEM ISIN : GG00BG0KTL52 | LEI : 21380017GAVXTCYS5R31 ( " Gemfields " or the " Group " or the " Company " ) Operational Update to 30 June 2026 LONDON , 30 JULY 2026 Gemfields shareholders are advised that the Company has released information about its operational results and financial position for the six months to 30 June 2026 . These unaudited figures have been produced on a monthly basis for Gemfields ' 75 % -owned emerald mine , Kagem Mining ( “ Kagem ” ) and 75 % -owned ruby mine , Montepuez Ruby Mining ( " MRM " ) . The full operational results and an excel spreadsheet of Gemfields ' historic figures can be found on the Company's website at www.gemfieldsgroup.com/operational-update/ . Highlights • Total auction revenues of USD 102.9 million for the first half of the year ( 2025 H1 : USD 60 million ) Net debt position of USD 44.2 million ( before auction receivables of USD 33.3 million ) at 30 June 2026 . MRM continued to experience weak premium grade ruby recovery , at 0.025 carats per tonne in the six - months to 30 June 2026. The Company continues to focus mining activities on areas believed to contain higher - grade material , with the aim of improving grade outcomes . MRM's second processing plant made a meaningful contribution to production volumes in H1 and is expected to be signed off as fully commissioned later this year . Kagem maintained healthy premium emerald production during the first half , while higher fuel prices , exchange rate pressures and increased mining activity impacted operating costs . Full commentary on the operational performance and financial results will be available in Gemfields ' interim results due to be published on Friday 25 September 2026 . Gemfields Group Limited , Royal Chambers , St Julian's Avenue , St Peter Port , GY1 4HP , Guernsey T +44 ( 0 ) 1481 731 554 gemfieldsgroup.com