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Kalayi (Bisie North) Drilling Update
Rome Resources plc has announced encouraging drilling results at its Kalayi Bisie North project in the DRC, indicating high-grade tin mineralization at depth. Drillhole KBD023 intersected 2m at 8.30% tin from 74 metres and 5m at 0.48% tin from 86 metres, while KBD021 encountered 2m at 2.23% tin from 181 metres and 2m at 2.33% copper from 107 metres. These findings are consistent with the company's structural model and expectations for extensions of mineralization below previously tested depths, with drilling set to resume at the Mont Agoma prospect shortly. Disclaimer*

About this update from Rome Resources Plc
[{"type":"text","content":"\n\n5 February 2026\n \nRome Resources plc\n(\"Rome Resources\", the \"Company\")\n \nKalayi (Bisie North) Drilling Update: Indications of High-Grade Tin Mineralisation Encountered at Depth\n \nRome Resources plc (AIM: RMR), the DRC-focused tin and copper explorer, is pleased to provide an update on its drilling operations at its Bisie North project in the Democratic Republic of Congo (\"DRC\"), located approximately 8 km from the world-class Alphamin Mpama tin mine complex.\n \nThe current drilling programme follows the Company's maiden Mineral Resource Estimate (\"MRE\") announced in October 2025 and is focused on testing extensions of known tin mineralisation at depth at Kalayi ahead of follow-up drilling at Mont Agoma.\n \nStatus of Kalayi Drilling Programme\n \nFurther to the Company's notification on 16 January 2026, two drill rigs have been operating at the Kalayi Bisie North Prospect. This drilling activity forms part of the Company's post maiden MRE drilling programme, with drilling at Kalayi continuing to demonstrate that near-surface high-grade tin mineralisation continues at depth.\n \nFour new drillholes have completed (five in total at Kalayi), with a further hole approaching its target depth. Initial on-site portable handheld XRF readings summarised below.\n \nInitial on-site results from drillholes KBDD020 to KBDD023 with average grades of mineralisation and depths tested:\n· Kalayi hole KBD023 encountered 2m @ 8.30% tin from 74 metres depth and 5m @ 0.48% tin from 86 metres.\n· Kalayi hole KBD021 encountered 2m @ 2.23% tin from 181 metres depth and 2m @ 2.33% copper from 107 metres.\n· Kalayi hole KBD022 encountered 1m @ 1.89% tin at 54 metres depth, 1m @ 1.35% tin at 68 metres depth and 1m @ 0.34% tin at 72m.\n· Kalayi hole KBD020 was abandoned at 40.5 metres and redrilled to a depth of 135.0 metres, without encountering significant tin mineralisation.\n \nFigure 1: Drill core showing visible cassiterite (brown) within a broader ~2.0 m mineralised interval, with portable handheld XRF readings indicating an average grade of ~8.3% Sn.\n \n \nThe handheld XRF used at Bisie North is a Thermo Scientific NitonTM XL3t model. Readings represent averages of 60 second continuous analysi...