REG - Rome Resources PLC - Kalayi (Bisie North) Drilling Update

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RNS Number : 7846R  Rome Resources PLC  05 February 2026

5 February 2026

 

Rome Resources plc

("Rome Resources", the "Company")

 

Kalayi (Bisie North) Drilling Update: Indications of High-Grade Tin
Mineralisation Encountered at Depth

 

Rome 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.

 

The 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.

 

Status of Kalayi Drilling Programme

 

Further 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.

 

Four 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.

 

Initial on-site results from drillholes KBDD020 to KBDD023 with average grades
of mineralisation and depths tested:

·    Kalayi hole KBD023 encountered 2m @ 8.30% tin from 74 metres depth
and 5m @ 0.48% tin from 86 metres.

·    Kalayi hole KBD021 encountered 2m @ 2.23% tin from 181 metres depth
and 2m @ 2.33% copper from 107 metres.

·    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.

·    Kalayi hole KBD020 was abandoned at 40.5 metres and redrilled to a
depth of 135.0 metres, without encountering significant tin mineralisation.

 

Figure 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.

 

 

The handheld XRF used at Bisie North is a Thermo Scientific Niton(TM) XL3t
model. Readings represent averages of 60 second continuous analysis along 1m
sections of core. The X-ray beam is emitted through an 8mm window and
penetrates up to several millimetres into the drill core. The metal grades
determined by the portable handheld XRF are indicative only. They should not
be relied upon for resource estimation. Samples from completed drillholes will
be submitted for laboratory assay, with results to be reported in due course.

 

Mont Agoma drilling update:

Up to four further drill holes (including the current hole) are planned on
Kalayi to continue testing the down-plunge extent of tin mineralisation, after
which drilling will resume at Mont Agoma where the Company is targeting deeper
tin-rich zones beneath the established polymetallic system.

 

Paul Barrett, Chief Executive Officer of Rome Resources, commented:

 

"We continue to be encouraged by this second phase of drilling at Kalayi,
where the intersection of a tin-rich zone at depth is considered consistent
with the Company's structural model and expectations for high-grade extensions
beneath the known mineralisation. These results further support our view that
Kalayi hosts high-grade tin shoots that persist below the depths tested to
date.

 

Drilling will move to Mont Agoma in the coming weeks. We look forward to
regularly updating the market as drilling continues on both prospects and
further results become available."

 

For further information, please contact:

 

 Investor questions on this announcement                          https://romeresources.com/link/rAk8wy (https://romeresources.com/link/rAk8wy)

 We encourage all investors to share questions

 on this announcement via our investor hub

 Rome Resources Plc                                               Tel. +44 (0)20 3143 6748

 Paul Barrett, Chief Executive Officer

 Allenby Capital Limited (Nominated Adviser and Joint Broker)     Tel. +44 (0)20 3328 5656

 John Depasquale / Vivek Bhardwaj (Corporate Finance)

 Kelly Gardiner / Lauren Wright (Sales & Corporate Broking)

 OAK Securities (Joint Broker)                                    Tel. +44 (0)20 3973 3678

 Jerry Keen, Head of Corporate Broking

 Henry Clarke, Head of Sales

 Camarco (Financial PR)                                             Tel. +44 (0)20 3757 4980

 Gordon Poole / Sam Morris

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Qualified Person Statement

 

Dr. Paul Armitage is a consultant of Rome Resources plc, a qualified
geologist, a Fellow of the London Geological Society and a Member of the
Institute of Materials, Minerals and Mining. Dr. Armitage is a qualified
person (QP) under NI 43-101 and as defined by the AIM Note for Mining, Oil and
Gas Companies for the purposes of this announcement and has reviewed and
approved the scientific and technical information contained in this news
release.

 

The handheld Niton XRF is frequently checked and calibrated to ensure accurate
analysis and measurements.

 

 Glossary

 Cu:            Copper
 Km:            Kilometres (Metric)
 M:             Metres (Metric)
 Handheld XRF:  A portable x-ray fluorescence analyser
 Sn:            Tin

 

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