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Kalayi Assays Support Resource Update
Rome Resources plc has announced final assay results from its Kalayi drilling campaign, which will be incorporated into an updated Mineral Resource Estimate targeted for July 2026. The current Inferred Mineral Resource stands at 0.33Mt grading 1.36% tin. Standout intercepts include 9.5m at 2.05% tin in KBDD025, and the length-weighted average grade for samples above a 0.5% cutoff is 2.41%, indicating world-class grade potential. The company is also advancing a pilot mining project and has completed an airborne geophysical survey, both expected to support future development and exploration at Bisie North. Disclaimer*
About this update from Rome Resources Plc
2 July 2026 Rome Resources plc ("Rome Resources" or the "Company") Kalayi Assays Support Resource Update Rome Resources plc (AIM: RMR), the DRC focused critical minerals explorer, is pleased to provide the final assay results from its recent drilling campaign at the Kalayi deposit within the Bisie North Project. These assay results complete the latest drilling programme and will now be incorporated into an updated Mineral Resource Estimate ("MRE"), targeted for July 2026. The current Kalayi MRE, announced in November 2025, comprises an Inferred Mineral Resource of 0.33Mt grading 1.36% tin for 4.47kt of contained tin. The updated MRE is expected to quantify the impact of the latest drilling campaign on that resource. Alongside the assay programme, the Company continues to advance the Kalayi pilot mining project and has completed the airborne geophysical survey, both of which are expected to support the next phase of development and exploration at Bisie North. Highlights · Final assays received for all drill holes from the recent Kalayi drilling campaign · Standout drill intercepts with grades of mineralisation (weighted by sample length) and depths tested include: o KBDD025: 9.5m at 2.05% Sn from 60.0m, including 6.0m at 3.12% Sn including 3.0m at 5.66% Sn o KBDD033: 19.5m at 0.52% Sn from 144.0m, including 1.0m at 3.23% Sn and 1.0m at 2.87% Sn o KBDD034: 5.0m at 1.88% Sn from 225.0m, including 1.5m at 4.77% Sn o KBDD029: 6.5m at 0.97% Sn from 220.0m, including 1.5m at 3.24% Sn · Latest drilling campaign demonstrates wider tin mineralised zones than previous drilling campaigns whilst maintaining high-grade tin intervals · Length-weighted average tin grade from all samples in this campaign above a 0.5% cutoff is 2.41%, representing world-class grade potential · Results to be incorporated into the updated Kalayi Mineral Resource Estimate, targeted for July 2026 · Simple cassiterite mineralogy and strong tin grades continue to support the potential suitability of Kalayi as feedstock for the nearby Bisie tin mine, operated by Alphamin · Pilot mining project and airborne geophysical survey continue to advance in parallel Assay Results The Company has now received all of the lab...
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