Rome Resources PLC Regulatory News (RMR)

19 February 2026

Rome Resources plc

("Rome Resources", the "Company")

Mont Agoma Interpretation Identifies New High-Priority Tin and Copper Drill Targets

Rome Resources plc (AIM: RMR), the DRC-focused tin and copper explorer, is pleased to announce the results of recent geological interpretation work conducted at its Mont Agoma prospect within the Bisie North project in the Democratic Republic of Congo ("DRC"). This work has identified new, high-priority exploration zones for tin and copper, providing a clear framework for future exploration and drill targeting.

Highlights

· Identification of new high-priority drill targets at Mont Agoma, with highly prospective undrilled zones;

· Geological interpretation by Chemostrat confirms mineralisation is geologically predictable;

· Refined exploration model identifies key marker horizons, improving the ability to target additional mineralisation; and

· Mont Agoma represents a pipeline of well-defined additional high-quality drill targets that is expected to support future resource growth as part of the broader Bisie North exploration strategy.

Summary of Geological Interpretation

Rome Resources engaged specialist consultancy Chemostrat to analyse its extensive geological and assay database at Mont Agoma to better understand where mineralisation occurs and where additional discoveries are most likely to be made.

Seemingly homogenous and visibly identical depositional sequences can be separated into individual units through trace element analysis. The Chemostrat method can simplify the understanding of a seemingly complex sequence.

The work on Mont Agoma has identified consistent geological marker horizons that act as a guide to structure and mineralisation across the deposit and has separated the sequence into five zones. The strongest correlation is a sequence directly above Zone 3, identified by a distinctive trace element signature (thorium/scandium ratio). (Figure 1).

Importantly, the interpretation shows that most tin and copper mineralisation occurs above this Top Zone 3 marker horizon, significantly improving the Company's ability to predict where additional mineralisation may be found.

Figure 1: Chemostrat zonation of Mont Agoma showing marker horizon above Zone 3

Using this refined model, analysis of tin distribution has identified a zone of elevated tin prospectivity extending to the southeast of the existing deposit above Top Zone 3, which remains largely untested by drilling (Figure 2).

Figure 2: Tin 'cloud' plot showing prospective tin zones southeast of the current deposit

Similarly, analysis of copper distribution has identified a strong zone of copper prospectivity extending to the northwest of the deposit, also representing an undrilled exploration target (Figure 3).

Figure 3: Copper 'cloud' plot showing prospective copper zones northwest of the current deposit

These areas represent high-priority targets for future drilling and resource expansion.

Implications for Future Exploration and Drill Targeting

The interpretation confirms that mineralisation at Mont Agoma is geologically predictable and remains open in multiple directions (Figure 4).

Figure 4: Location of the key exploration targets in Mont Agoma

The identification of new prospective zones to the southeast and northwest highlights the potential to expand the existing resource footprint through future drilling.

While the Company's current drilling campaign focus remains on the highly successful Kalayi programme, Mont Agoma now represents a pipeline of well-defined additional highly prospective drill targets that is expected to support future resource growth as part of the broader Bisie North exploration strategy.

Investor Call - Thursday 19 February 2026

As noted on 10 February 2026, the Company will host an interactive investor call on Thursday, 19 February 2026 at 12:00 p.m. GMT via its website. The call will provide further discussion of the recently announced drilling progress at Kalayi and outline planned work at Mont Agoma.

Interested investors are encouraged to register in advance and submit questions via the following link:

https://romeresources.com/webinars/MP7dNy-investor-call

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

"This geological interpretation represents a significant step forward in our understanding of Mont Agoma and has identified exciting new areas prospective for both tin and copper mineralisation.

While our current drilling remains focused on the highly successful Kalayi programme, Mont Agoma is increasingly demonstrating the characteristics of a large polymetallic copper-tin-zinc system with significant exploration upside.

The identification of new target zones reinforces its longer-term growth opportunity. I encourage current and prospective investors to join me on our investor call later today to discuss this. We look forward to advancing these targets and updating the market further in due course."

For further information, please contact:

Subscribe to our news alert service: https://romeresources.com/auth/signup

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.