RCS - URU Metals Limited - Peer publications strengthen model at Zeb Nickel

URU MetalsAnnouncement

09/02/2026 07:00

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RNS Number : 0820S  URU Metals Limited  09 February 2026

9 February 2026

URU Metals Limited

("URU" or the "Company")

 

Zeb Nickel Project

Peer-reviewed publications strengthen geological model at Zeb Nickel and
support next exploration phase

 

URU is pleased to announce that two peer-reviewed publications by Mapiloko et
al. (2025), published in Geological Society of America's journal of Geology
(Contribution of the oldest Paleoproterozoic marine sulfate evaporite to
Bushveld Complex Lower Zone mineralization) and the South African Journal of
Geology (Chromite formation in the Lower Zone and Platreef sequences on
Uitloop, northern limb of the Bushveld Complex), provide new independent
scientific evidence relevant to the Company's Zeb Nickel Project in Limpopo,
South Africa.

 

The papers provide additional third-party support for the Company's
exploration model and offer new technical insight into the processes that
promote sulphide saturation and nickel sulphide mineralisation in the
district. The publications do not constitute, and should not be interpreted
as, a change to the Company's previously reported Mineral Resource Estimates
or economic assumptions.

 

Highlights

 

·      Independent scientific support for the Company's
sulphur-assimilation thesis: the papers present evidence consistent with
Palaeoproterozoic sulphate contributing to the formation of immiscible
magmatic sulphides in the Uitloop system, a process that can enhance magma
"fertility" for Ni-Cu-PGE mineralisation.

·      A clearer vector for exploration reinforcing our current
exploration model: results reinforce the importance of structural pathways,
conduit architecture and the magmatic transport history through (or proximal
to) sulphate-bearing stratigraphy, helping to refine targeting beyond the
historically drilled footprint.

·      Direct integration into the 2026 exploration plan: these insights
are being incorporated into ongoing interpretation of recent airborne datasets
and current ground programmes, feeding into drill-ready target ranking and
programme design.

 

The publications interpret sulphur isotope systematics and local stratigraphic
relationships to support a model in which oxidised, crustal sulphur (sulphate)
can be assimilated by mafic-ultramafic magmas, promoting sulphide saturation
and allowing Ni-Cu-PGE to partition into sulphide liquids.

 

For the Company, the practical exploration implication is that the most
prospective parts of the system are those that combine:

 

1.  a long-lived magma plumbing system capable of focusing flow and upgrading
metal content in sulphides,

2.  effective sulphur addition (direct or indirect) from wallrocks during
emplacement/transport, and

3.  physical traps (embayments, constrictions, contacts, offsets) where
sulphides can accumulate.

 

URU believes these findings are supportive of the Company's current
exploration concept at Zeb Nickel and provide an additional peer-reviewed
basis to prioritise feeder-style targets and conductor/density coincidence
zones for drilling.

 

Consistent with URU's previously disclosed exploration strategy, the Company's
near-term work programme is focused on progressing from interpretation to
drill execution:

 

1.  Ground-based geophysics

 

Ground electromagnetic and gravity surveys are underway to refine airborne
interpretations and improve drill vectoring. Results from this phase are being
used to enhance and tighten the overall drill target set, including
prioritising coincidence conductor and density zones and refining the planned
drill collar locations, orientations and target depths.

 

2.  Geological & resource modelling

 

Update the 3D model integrating geology with new geophysical datasets, and
complete target ranking to define the priority drill pattern.

 

3.  Drilling programme design

 

Finalise drillhole number, position, orientation and depth to test:

o  Ni-Cu-PGE resource drilling priorities (Zone 2-style mineralisation); and

o  high-grade Ni targets (Zone 3-style feeder/conduit mineralisation),
particularly where conductors and density anomalies overlap.

 

 

Richard Montjoie, VP Exploration commented:

 

"Peer-reviewed publications that independently support key elements of our
geological model are valuable for any exploration company. We view these
findings as strengthening the scientific basis for our sulphur-assimilation
and conduit-focused targeting approach at Zeb Nickel, i.e. the plumbing system
that I have frequently spoken of. Importantly, the work informs where sulphide
saturation and accumulation are most likely to have occurred, and we are
incorporating this into our ground geophysics, 3D modelling and drill planning
as we move toward the next phase of drilling."

 

 

 URU Metals Limited               +1 416 504 3978

 John Zorbas

 (Chief Executive Officer)

 SP Angel Corporate Finance LLP   + 44 (0) 203 470 0470

 (Nominated Adviser and Broker)

 Ewan Leggat / Jen Clarke

 

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