REG - Rome Resources PLC - Encouraging Drill Results & Ongoing Resource Work

Rome ResourcesAnnouncement

12/08/2025 07:00

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RNS Number : 8814U  Rome Resources PLC  12 August 2025

This announcement contains inside information for the purposes of Regulation
11 of the Market Abuse (Amendment) (EU Exit) Regulations 2019/310. With the
publication of this announcement via a Regulatory Information Service, this
inside information is now considered to be in the public domain.

12 August 2025

Rome Resources plc

("Rome" or the "Company")

Encouraging Drilling Results and Ongoing Resource Work at Mont Agoma

 

Rome Resources plc provides an update on the ongoing exploration activities at
its Mont Agoma prospect, part of the Company's flagship Bisie North
Project in eastern Democratic Republic of Congo (the "DRC").

 

Highlights

 

·    Recent drilling has encountered tin and copper mineralisation at both
newly identified zones in addition to deeper extensions of known zones.

 

·    The new tin zone, encountered at drill hole MADD030, was confirmed by
drill hole MADD030A which returned 18 metres of mineralisation with a maximum
grade of 2.4% tin measured by the XRF analyser.

 

·    Results suggest the presence of a strike-slip fault creating a
potential duplication of the principal mineralisation zone to the east of the
main zone drilled to date.

 

·    Drill hole MADD032 encountered a copper intercept measuring 13
metres, with the XRF analyser reporting a maximum grade of 13% copper plus 9
metres of tin within a higher-grade, 13 metres wide zinc zone - interpreted as
the continuation of the main zone of mineralisation at depth.

 

·    The significant copper intercepts are expected to add to the growing
polymetallic resource at Mont Agoma in connection with the ongoing work
associated with the Company's maiden mineral resource estimate ("MRE").

 

·    Assays for a six further drill hole samples are expected in 2 to 3
weeks and will be included in the forthcoming MRE.

 

·    Soil sampling to define a northerly extension of the tin anomaly
along strike from the main tin zone intercepts is complete, with results also
expected in 2 to 3 weeks.

 

·    Metallurgical testwork, aiming to quantify the mineralogy and
evaluate optimum beneficiation processes for optimum multi-commodity revenue
streams at Mont Agoma, is underway at SGS Ontario.

 

In addition to these results, the forward programme is to include stepout
drilling along strike to the new tin zone and deeper drilling of the main zone
at Mont Agoma as well as lower-risk deeper drilling of the tin zone at Kalayi,
following the soil survey and MRE.

 

Given the multi-commodity nature of Mont Agoma, (principally tin, copper,
zinc, and silver) metallurgical testing is underway aiming to determine the
optimum processing route and maximise recoveries. Three composite samples are
undergoing a two-phase programme of head assays and mineralogical
characterisation, followed by beneficiation testing to assess multi-commodity
recoveries. Results will feed directly into the project's economic assessment.

 

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

 

"We are pleased to see consistent mineralisation coming through in our
follow-up drilling at Mont Agoma. Drill holes MADD030 and MADD030A suggest
additional tin potential to the east of Mont Agoma and the copper grades
emerging from MADD032 are equally encouraging.

 

We are working closely with MSA to ensure our geological model and upcoming
MRE are both technically robust and representative of the system's potential.

 

With several assays pending and both MRE and metallurgical testwork underway,
the coming months should provide the potential for multiple value-driving
milestones for the Company."

 

Drilling Overview

 

The current phase of drilling at Mont Agoma was focused on expanding
previously defined mineralisation down to deeper levels as per the Company's
geological model. Accordingly, recent drilling has extended the understanding
of mineralisation at Mont Agoma. MADD030 was drilled to follow up on tin
mineralisation in MADD015 and intersected a new near-surface tin zone from 6
metres depth. MADD030A, collared from the same pad, and the findings from the
XRF analyser have confirmed continuity of this zone.

 

MADD032, collared 100 metres north of MADD030, intersected a broad,
copper-rich zone over 13 metres with a peak grade of 13% copper over 0.55
metres (Figure 1) and deeper tin and zinc mineralisation (e.g. 9 metres of tin
within a higher grade, 13 metre wide, zinc zone).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1. Significant visible copper mineralisation in drill core from
MADD032, Mont Agoma prospect

 

Interpretation of findings from drilling thus far indicates that a major fault
has offset the tin zone, effectively repeating it to the east of the main
zone. This structural model suggests the potential to double the mineralised
strike, if confirmed by two planned holes.

 

Geological Model

 

Recent drilling, particularly the near-surface tin zone intersected in MADD030
and MADD030A, has helped refined the structural model for Mont Agoma.
Interpretation of a significant fault, recognised as a strong quartz-silica
breccia zone in numerous holes, suggests that the most likely scenario for the
duplication of the tin zone (as shown in Figure 2) is through faulting
displacing the main tin zone to the east. This opens promising potential for
its continuation to the southeast into undrilled ground.

 

Three holes are planned to test this model, and should these holes intersect
the new tin zone as planned, then this would indicate that the new zone has
the potential to double the mineralised strike at Mont Agoma. Early
indications also suggest higher tin grades in drillholes MADD030/030A,
supporting the model that higher grades may be expected in the eastern zone,
which would represent a repeat of the deeper section of the main zone.

 

Figure 2.  Mont Agoma Tin Zone Geometry

 

Sampling and Assays

 

Samples from six drill holes covering the main mineralisation zones have been
prepared and submitted to ALS Global's laboratory in Johannesburg.  Results
are expected within 2 to 3 weeks and will feed directly into the
upcoming maiden MRE.

 

Maiden Mineral Resource Estimate (MRE)

 

Work toward the MRE is advancing well. Rome has engaged internationally
recognised consultants MSA to complete geological modelling and resource
work incorporating the latest lithological, structural and assay data from the
ongoing drilling campaign.

 

Forthcoming assay results will be integrated into the Resource model as they
are received. It is assumed that the tin from drill hole MADD030/030A will not
be included in the initial MRE until the additional holes are drilled to the
southeast. Rome is committed to maintaining a rigorous, methodical
approach to resource estimation, ensuring a high level of technical
confidence in what is emerging as a structurally complex but promising
polymetallic system of scale containing tin, copper, zinc, and silver.

 

All grades in this announcement are from XRF readings and are indicative only;
final assays will be reported once available.

 

For further information, please contact:

 

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Qualified Person Statement

 

Dr Deon Vermaakt is a consultant of Rome Resources plc, a qualified geologist
and a registered Professional Natural Scientist (Geological Science) with the
South African Council for Natural Scientific Professions (SACNASP Reg. No.
400074/03). Dr Vermaakt is a qualified person (QP) under NI 43-101 and as
defined by the AIM Note for Mining, Oil and Gas Companies and has reviewed and
approved the scientific and technical information contained in this news
release.

 

Dr Vermaakt reviews all the sampling procedures on an on-going basis. The
handheld Niton XRF is frequently checked and calibrated to ensure accurate
analysis and measurements.

 

Glossary

 

 Cu:    The chemical element for copper

 Km:    Kilometres (Metric)

 m:     Metres (Metric)

 XRF:   A portable x-ray fluorescence analyser

 Sn:    The chemical element for tin

 Zn:    The chemical element for zinc

 

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