Serabi provides update to regional exploration campaign at its Palito Complex

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Serabi provides update to regional exploration campaign at its Palito Complex

Serabi Gold plc (AIM:SRB, TSX:SBI), the Brazilian-focused gold mining and development company, is pleased to provide an exploration update from its activities on its regional tenement holding over the Palito complex in the Tapajos region of Para State, Northern Brazil.

TO ACCESS A PDF COPY OF THIS NEWS RELEASE PLEASE USE THE FOLLOWING LINK – https://bit.ly/3xnwSfF

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Highlights

  • Induced Polarisation (IP) programme completed in December 2023 over the São Domingos property identified a 1km long x 0.25km wide chargeability anomaly. The anomaly underlies several areas of artisanal activity.
  • Western limit of the anomaly was drilled in 2021 (7.2m @ 258 g/t (see announcement dated 7 April 2021). A follow-up wide-spaced (approx. 100m between holes) shallow depth (i.e. up to 7m) auger programme has been undertaken. Significant auger intercepts to date are as follows:
    • Hole 24-TRSAD-004 – 1m @ 18.46 g/t Au from 1.00m
    • Hole 24-TRSAD-006 – 2m @ 0.18 g/t Au from 3.00m
    • Hole 24-TRSAD-015 – 1m @ 0.10 g/t Au from 0.00m
    • Hole 24-TRSAD-015 – 1m @ 0.25 g/t Au from 6.00m
    • Hole 24-TRSAD-016 – 2m @ 0.54 g/t Au from 6.00m
    • Hole 24-TRSAD-017 – 1m @ 0.19 g/t Au from 0.00m
    • Hole 24-TRSAD-020 – 1m @ 0.15 g/t Au from 2.00m
  • Hole 24-TRSAD-024 – 0.5m @ 0.10 g/t Au from 4.00m
  • Significant progress has been made on the interpretation of the 14,551-sample soil geochemistry database (approx. 7,000 samples collected in 2023). This regional geochemical database covers over 70% of Serabi’s permit portfolio. In addition to the Matilda copper target, at least four similar geochemical alteration systems have been identified. Within these systems, specific targets include the Copper Hill, Ganso, and Calico, confirmed by recent drilling and the untested targets at Letícia, Juca and Isla. Data interpretation and exploration continues.
  • First phase drilling completed in January on the Ganso Target, indicates a large zone with geologic features and mineralogy characteristic of an upper alteration zone typical of a copper porphyry system. This new target for epithermal gold and porphyry copper-gold mineralisation is located just 13km northeast of the Matilda copper target.
  • Recent diamond drilling at Matilda demonstrates mineralisation extends to over 150m depth with results for the final hole 21 intersecting the depth continuation of mineralisation, previously intersected in holes 4, 6, 15, & 16 as follows:
    • Hole 23-MT-021 – 144m @ 0.26% Cu and 0.06 g/t Au from 228.00m
    • Hole 23-MT-021 – 32m @ 0.40% Cu and 0.10 g/t Au from 410.00m

Mike Hodgson CEO commented

“The new IP geophysics and soil geochemistry results, combined with the historic high-grade results from 2021, make São Domingos a highly compelling target. This new data set has helped us understand better the past successful drilling results of 2021 (7.15 m @ 258g/t). We have revised our initial geological interpretation and are a significant step closer to identifying the source that has supported extensive artisanal workings in the area.”

“Matilda continues to deliver positive results and the team is focused on understanding the mineralisation. At the same time the wider exploration results to date show that Matilda is not unique, and the regional geological system is larger and has more potential for hosting copper porphyry mineralisation than expected. The discovery of new, large targets within the extensive tenement holding demonstrates the potential of the region.

“Drilling completed in January has confirmed that the Ganso Target is the preserved upper portion of a porphyry system. This is important, not only for Serabi but also for the entire Tapajos region, as it confirms that despite the old age of the rocks, the region has a huge untested potential as a source of porphyry style copper or copper-gold and epithermal gold mineralisation.

“These are exciting times and Serabi has only just commenced unlocking the potential of the district. The discovery of the alkalic porphyry style copper-gold deposit at Matida is highly significant for the district and for Serabi. With more targets defined, we are conscious of the need to continue focused exploration with the objective of demonstrating the viability of at least one target.  

“Whilst Vale have, during this week, informed us that they wish to withdraw from the exploration alliance, we do have a number of other groups keen to partner with us on the exploration for copper mineralisation. We remain excited, and these other companies seem to share our optimism, for discovering commercial copper porphyry mineralisation in our Tapajos tenements. We have very much enjoyed working with Vale and from Serabi’s perspective achieved a key objective of significantly advancing our understanding of Matilda as well as identifying other potential targets for copper porphyry mineralisation during the past 12 months”.

Detailed Results and Technical Discussion

The planned 2024 exploration programme will focus on brownfield exploration at Coringa and Palito to increase resources, and continued testing and delineation of new targets being identified within the Serabi exploration tenement package including the prospect of further definition drilling at Matilda. New targets continue to be identified and most have no drilling, so more news can be expected during the year from the exploration activities – A summary of regional targets and discoveries to date is show in the map below:

Please use the following ink to access the image – https://bit.ly/4cMRmOO
Figure 1. Map showing regional targets and discoveries to date.

Matilda:

Results for the last two drill holes of the 2023 campaign have been received. Drillhole 23-MT-021 was drilled below the shallow high-grade zone intercepted in drillholes 23-MT-004 and 23-MT-006, to test the mineralised zone at depth. Long intervals at greater than 0.20% Cu, including 144m @ 0.26% Cu from 228m, demonstrate the continuity of grade at depth, while zones equal to or greater than 0.40% Cu, including 32m @ 0.40% Cu and 0.1 g/t Au from 410m, indicate the potential for sustained intervals of mineralisation at potentially commercial grades.

Results for 23-MT-021 are shown below.

  • 18m @ 0.26% Cu from 24m
  • 56m @ 0.26% Cu from 122m
  • 144m @ 0.26% Cu from 228m
    • Incl. 18m @ 0.47% Cu from 242m
    • Incl. 18m @ 0.46% Cu from 352m
  • 46m @ 0.35% Cu from 396m

Currently, the large amount of data produced in 2023 continues to be processed and evaluated. Together with a second round of definition drilling the Board expects that this should significantly enhance our understanding of the potential mineral resource at Matilda.

Please use the following ink to access the image – https://bit.ly/43Olgyj
Figure 2 Section showing the 23-MT-021 related to the previous drilling and copper shells at Matilda

São Domingos:

A 5.85 line km pole-dipole induced polarization (IP) survey was conducted over the São Domingos target, covering the historic drilling at Tucano which returned a gold intersection of 7.15m @ 258.24 g/t (see announcement dated 7 April 2021). The IP survey identified a robust 500m x 750m chargeability anomaly to the east of the drilling. The anomaly has an elongated splay that extends beneath the known breccia-hosted mineralisation along an interpreted E-W structure (see Figure 3 below).

Please use the following ink to access the image – https://bit.ly/49kNTEx
Figure 3. Sao Domingos Plan View Map showing the auger results over the chargeability anomaly

Previous drilling at Tucano intercepted a magmatic-hydrothermal breccia, with gold grades correlated with pyrite abundance. The breccia was interpreted to be related to an unidentified intrusion, with potential for intrusion-related-gold or porphyry copper-gold mineralisation associated with the intrusion. The new chargeability anomaly is therefore a high priority target for drill testing.

Soil sampling over the IP anomaly identified a 1km x 1km gold anomaly associated with the chargeability anomaly. Extensive artisanal mining in alluvium surrounds the anomaly but to date, no source of the alluvial gold has been confidently identified.

A shallow depth (ie up to 7m) auger programme to sample saprolite is currently underway to assist in planning a diamond drilling programme. Initial results to date include:

  • Hole 24-TRSAD -004 – 1m @ 18.46 g/t Au from 1.00m
  • Hole 24-TRSAD -006 – 2m @ 0.18 g/t Au from 3.00m
  • Hole 24-TRSAD -015 – 1m @ 0.10 g/t Au from 0.00m
  • Hole 24-TRSAD -015 – 1m @ 0.25 g/t Au from 6.00m
  • Hole 24-TRSAD -016 – 2m @ 0.54 g/t Au from 6.00m
  • Hole 24-TRSAD -017 – 1m @ 0.19 g/t Au from 0.00m
  • Hole 24-TRSAD -020 – 1m @ 0.15 g/t Au from 2.00m
  • Hole 24-TRSAD -024 – 0.5m @ 0.10 g/t Au from 4.00m

Please use the following ink to access the imagehttps://bit.ly/3xq5OMK
Figure 4 Map showing IP chargeability anomaly, gold in soils and Tucano auger drillhole locations.

Please use the following ink to access the image – https://bit.ly/3xnvpGb
Figure 5. Oblique view looking NW showing IP chargeability anomaly and Tucano drilling.

Ganso:

6 drillholes for a total of 1,168m were drilled at Ganso in late 2023 with the last hole being completed in January 2024. Drilling intercepted pyroclastic lithologies with extensive advanced argillic alteration characterised by quartz-alunite ± kaolinite, with pyrite and minor vuggy quartz. At depth, drilling intercepted pervasive phyllic alteration characterised by quartz-sericite-pyrite, and minor zones of relict potassic alteration characterised by K-feldspar-biotite-magnetite.

The lithologies, alteration assemblages and parageneses are consistent with a lithocap setting. The positive identification of the Ganso target as a lithocap is important as it indicates that Ganso is potentially the upper part of an alkalic porphyry style system, with potential for high-sulphidation epithermal mineralisation above or laterally displaced from porphyry style, copper and/or gold mineralisation at depth. The drilling suggests that the lithocap-porphyry transition has been intercepted, and that the entire porphyry system may be preserved at depth.

Field mapping identified possible extents of the lithocap across an area of 1km x 1.5km, coincident with a Bi-Mo-Pb-Sb-Ba geochemical anomaly, a typical high-level epithermal signature. Spotty but locally very high grade (>1 ppm) soil samples occur within the multielement anomaly. To date, only a small portion of the southern edge of the lithocap has been drill tested. EM conductor anomalies remain untested by drilling and these may represent clay-rich alteration in the upflow zone generated by a porphyry system at depth.

Follow up drilling and geophysics is being planned to test both the epithermal gold and porphyry potential. Discussions are underway to include Short Wave Infrared and whole rock analysis to help identify exploration vectors during the drilling programs.

Following the discovery of Matilda, the identification of the Ganso target as a lithocap has confirmed the regional potential of the Serabi exploration permits and led to a re-evaluation of similar new and existing targets, such as Letícia, Calico and Juca.

Please use the following ink to access the image – https://bit.ly/4apIwoM
Figure 6. Map showing drillhole locations, geochemical anomalies and EM anomalies with DTM background at Ganso

Regional Soil Sampling:

A total of 6,772 soil samples were collected over the regional tenement during 2023. These new soil samples supplement the historical soil sample database and provide regional scale surface geochemistry coverage of over 70% of Serabi’s Palito Complex tenement package. The combination of surface geochemistry and aero geophysics has a proven track record of generating exploration targets for Serabi, including the Matilda, Ganso, Calico and Juca targets.

Interpretation from the new survey is ongoing, however new targets already identified include:

  • Isla – 3.5km long >300ppm copper anomaly associated with a structurally emplaced mafic-ultramafic unit.
  • Isla South – magnetic and copper soil anomaly in a similar structural setting as Matilda.
  • Letícia – 4km anomalous gold trend.
  • Letícia North – 2km x 800m soil geochemistry target with characteristics of a potential lithocap.
  • Juca – circular 1km diameter intrusion related gold soil anomaly.
  • Calico North – 5km x 2km anomalous gold trend interpreted to represent the south-western extension of the Palito vein system.
  • Calico – 1km diameter soil geochemistry target with characteristics of a potential lithocap.
  • Ganso – 1.5km diameter soil geochemistry anomaly dominated by advanced argillic and phyllic alteration with potassic alteration intersected at depth in recent drilling.
  • Ganso East – 1km x 500m target with similar geophysical and multi-element soil geochemistry to Ganso.
  • São Domingos IP target – extensive zone of anomalous gold associated with IP chargeability anomaly.

Please use the following ink to access the image – https://bit.ly/4aIG1gZ
Figure 7. Showing the soil sample grid cover in Serabi’s permits.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 as it forms part of UK Domestic Law by virtue of the European Union (Withdrawal) Act 2018.

The person who arranged for the release of this announcement on behalf of the Company was Clive Line, Director.

Enquiries

SERABI GOLD plc
Michael Hodgson        t +44 (0)20 7246 6830
Chief Executive        m +44 (0)7799 473621

Clive Line        t +44 (0)20 7246 6830
Finance Director        m +44 (0)7710 151692

Andrew Khov         m +1 647 885 4874
Vice President, Investor Relations &
Business Development
        e [email protected]

        www.serabigold.com

BEAUMONT CORNISH Limited
Nominated Adviser & Financial Adviser
Roland Cornish / Michael Cornish        t +44 (0)20 7628 3396
PEEL HUNT LLP
Joint UK Broker
Ross Allister        t +44 (0)20 7418 9000

TAMESIS PARTNERS LLP
Joint UK Broker
Charlie Bendon/ Richard Greenfield        t +44 (0)20 3882 2868

CAMARCO
Financial PR – Europe
Gordon Poole / Emily Hall                t +44 (0)20 3757 4980

HARBOR ACCESS
Financial PR – North America
Jonathan Patterson / Lisa Micali                t +1 475 477 9404

Copies of this announcement are available from the Company’s website at www.serabigold.com.

See www.serabigold.com for more information and follow us on twitter @Serabi_Gold

APPENDIX – DRILL RESULTS TABLES

São Domingos Auger Results 2024 drilling campaign

Hole_ID Sample From To Interval Au_DIBK ppm
24-TRSAD-001 AGSR000116 0 1 1 0.04
24-TRSAD-001 AGSR000117 1 2 1 0.06
24-TRSAD-001 AGSR000118 2 3 1 0.03
24-TRSAD-001 AGSR000119 3 4 1 0.06
24-TRSAD-001 AGSR000120 4 5 1 0.06
24-TRSAD-001 AGSR000121 5 6 1 0.06
24-TRSAD-001 AGSR000122 6 7 1 <0,04
24-TRSAD-001 AGSR000123 7 7.6 0.6 <0,04
24-TRSAD-002 AGSR000124 0 1 1 <0,04
24-TRSAD-002 AGSR000125 1 2 1 <0,04
24-TRSAD-002 AGSR000126 2 3 1 <0,04
24-TRSAD-002 AGSR000127 3 4 1 <0,04
24-TRSAD-002 AGSR000128 4 5 1 0.05
24-TRSAD-002 AGSR000129 5 6 1 <0,04
24-TRSAD-002 AGSR000130 6 6.4 0.4 <0,04
24-TRSAD-003 AGSR000131 0 1 1 <0,04
24-TRSAD-003 AGSR000132 1 2 1 <0,04
24-TRSAD-003 AGSR000133 2 3 1 <0,04
24-TRSAD-003 AGSR000134 3 4 1 <0,04
24-TRSAD-003 AGSR000135 4 4.5 0.5 <0,04
24-TRSAD-004 AGSR000136 0 1 1 <0,04
24-TRSAD-004 AGSR000137 1 2 1 18.46
24-TRSAD-004 AGSR000138 2 3 1 <0,04
24-TRSAD-004 AGSR000139 3 4 1 <0,04
24-TRSAD-004 AGSR000140 4 5 1 <0,04
24-TRSAD-004 AGSR000141 5 6 1 0.08
24-TRSAD-004 AGSR000142 6 6.2 0.2 <0,04
24-TRSAD-005 AGSR000143 0 1 1 <0,04
24-TRSAD-005 AGSR000144 1 2 1 <0,04
24-TRSAD-005 AGSR000145 2 3 1 <0,04
24-TRSAD-005 AGSR000146 3 4 1 <0,04
24-TRSAD-005 AGSR000147 4 5 1 <0,04
24-TRSAD-005 AGSR000148 5 6 1 0.05
24-TRSAD-006 AGSR000149 0 1 1 <0,04
24-TRSAD-006 AGSR000150 1 2 1 <0,04
24-TRSAD-006 AGSR000151 2 3 1 <0,04
24-TRSAD-006 AGSR000152 3 4 1 0.17
24-TRSAD-006 AGSR000153 4 5 1 0.20
24-TRSAD-006 AGSR000154 5 6 1 <0,04
24-TRSAD-007 AGSR000155 0 1 1 <0,04
24-TRSAD-007 AGSR000156 1 2 1 <0,04
24-TRSAD-007 AGSR000157 2 3 1 0.06
24-TRSAD-007 AGSR000158 3 4 1 <0,04
24-TRSAD-007 AGSR000159 4 5 1 <0,04
24-TRSAD-007 AGSR000160 5 6 1 0.04
24-TRSAD-007 AGSR000161 6 7 1 <0,04
24-TRSAD-007 AGSR000162 7 8 1 <0,04
24-TRSAD-007 AGSR000163 8 9 1 <0,04
24-TRSAD-007 AGSR000164 9 10 1 <0,04
24-TRSAD-007 AGSR000169 10 11 1 <0,04
24-TRSAD-007 AGSR000170 11 12 1 0.04
24-TRSAD-007 AGSR000171 12 12.6 0.6 <0,04
24-TRSAD-008 AGSR000172 0 1 1 0.04
24-TRSAD-008 AGSR000173 1 2 1 0.05
24-TRSAD-008 AGSR000174 2 3 1 0.05
24-TRSAD-008 AGSR000175 3 4 1 0.04
24-TRSAD-008 AGSR000176 4 5 1 0.05
24-TRSAD-008 AGSR000177 5 6 1 0.05
24-TRSAD-008 AGSR000178 6 7 1 0.04
24-TRSAD-008 AGSR000180 7 8 1 0.04
24-TRSAD-008 AGSR000181 8 9 1 <0,04
24-TRSAD-008 AGSR000182 9 10 1 0.04
24-TRSAD-008 AGSR000183 10 11 1 <0,04
24-TRSAD-008 AGSR000184 11 12 1 <0,04
24-TRSAD-008 AGSR000186 12 13 1 <0,04
24-TRSAD-008 AGSR000187 13 14 1 <0,04
24-TRSAD-008 AGSR000188 14 15 1 <0,04
24-TRSAD-009 AGSR000189 0 1 1 <0,04
24-TRSAD-009 AGSR000190 1 2 1 <0,04
24-TRSAD-009 AGSR000191 2 3 1 <0,04
24-TRSAD-009 AGSR000192 3 4 1 <0,04
24-TRSAD-009 AGSR000193 4 5 1 <0,04
24-TRSAD-009 AGSR000194 5 6 1 <0,04
24-TRSAD-009 AGSR000195 6 7 1 <0,04
24-TRSAD-010 AGSR000230 0 1 1 <0,04
24-TRSAD-010 AGSR000231 1 2 1 <0,04
24-TRSAD-010 AGSR000232 2 3 1 <0,04
24-TRSAD-010 AGSR000233 3 3.5 0.5 0.07
24-TRSAD-011 AGSR000223 0 1 1 <0,04
24-TRSAD-011 AGSR000224 1 2 1 0.08
24-TRSAD-011 AGSR000225 2 3 1 0.05
24-TRSAD-011 AGSR000226 3 4 1 <0,04
24-TRSAD-011 AGSR000227 4 5 1 <0,04
24-TRSAD-011 AGSR000228 5 6 1 <0,04
24-TRSAD-011 AGSR000229 6 6.9 0.9 0.07
24-TRSAD-012 AGSR000196 0 1 1 <0,04
24-TRSAD-012 AGSR000197 1 2 1 <0,04
24-TRSAD-012 AGSR000198 2 3 1 <0,04
24-TRSAD-012 AGSR000199 3 4 1 <0,04
24-TRSAD-012 AGSR000200 4 5 1 <0,04
24-TRSAD-012 AGSR000201 5 6 1 <0,04
24-TRSAD-012 AGSR000202 6 7 1 <0,04
24-TRSAD-013 AGSR000203 0 1 1 <0,04
24-TRSAD-013 AGSR000204 1 2 1 0.05
24-TRSAD-013 AGSR000205 2 3 1 <0,04
24-TRSAD-013 AGSR000206 3 4 1 <0,04
24-TRSAD-013 AGSR000207 4 5 1 <0,04
24-TRSAD-013 AGSR000208 5 6 1 <0,04
24-TRSAD-013 AGSR000209 6 7 1 <0,04
24-TRSAD-013 AGSR000210 7 8 1 <0,04
24-TRSAD-013 AGSR000211 8 9 1 <0,04
24-TRSAD-013 AGSR000212 9 9.6 0.6 <0,04
24-TRSAD-014 AGSR000213 0 1 1 <0,04
24-TRSAD-014 AGSR000214 1 2 1 <0,04
24-TRSAD-014 AGSR000215 2 3 1 <0,04
24-TRSAD-014 AGSR000216 3 4 1 <0,04
24-TRSAD-014 AGSR000217 4 5 1 0.07
24-TRSAD-014 AGSR000218 5 6 1 0.04
24-TRSAD-014 AGSR000219 6 7 1 <0,04
24-TRSAD-014 AGSR000220 7 8 1 <0,04
24-TRSAD-014 AGSR000221 8 9 1 <0,04
24-TRSAD-014 AGSR000222 9 9.8 0.8 <0,04
24-TRSAD-015 AGSR000234 0 1 1 0.10
24-TRSAD-015 AGSR000235 1 2 1 0.08
24-TRSAD-015 AGSR000236 2 3 1 <0,04
24-TRSAD-015 AGSR000237 3 4 1 0.05
24-TRSAD-015 AGSR000238 4 5 1 0.05
24-TRSAD-015 AGSR000239 5 6 1 0.04
24-TRSAD-015 AGSR000240 6 7 1 0.25
24-TRSAD-015 AGSR000241 7 8 1 <0,04
24-TRSAD-015 AGSR000242 8 8.8 0.8 <0,04
24-TRSAD-016 AGSR000247 0 1 1 0.06
24-TRSAD-016 AGSR000248 1 2 1 0.04
24-TRSAD-016 AGSR000249 2 3 1 0.04
24-TRSAD-016 AGSR000250 3 4 1 <0,04
24-TRSAD-016 AGSR000251 4 5 1 <0,04
24-TRSAD-016 AGSR000252 5 6 1 0.04
24-TRSAD-016 AGSR000253 6 7 1 0.58
24-TRSAD-016 AGSR000254 7 8 1 0.51
24-TRSAD-016 AGSR000255 8 9 1 0.07
24-TRSAD-016 AGSR000256 9 10 1 0.04
24-TRSAD-016 AGSR000258 10 11 1 0.05
24-TRSAD-016 AGSR000259 11 12 1 <0,04
24-TRSAD-017 AGSR000260 0 1 1 0.19
24-TRSAD-017 AGSR000261 1 2 1 0.05
24-TRSAD-017 AGSR000262 2 3 1 0.04
24-TRSAD-017 AGSR000263 3 4 1 <0,04
24-TRSAD-017 AGSR000264 4 5 1 0.05
24-TRSAD-017 AGSR000265 5 6 1 0.05
24-TRSAD-017 AGSR000266 6 7 1 <0,04
24-TRSAD-018 AGSR000267 0 1 1 <0,04
24-TRSAD-018 AGSR000268 1 2 1 0.05
24-TRSAD-018 AGSR000269 2 3 1 <0,04
24-TRSAD-019 AGSR000270 0 1 1 <0,04
24-TRSAD-019 AGSR000271 1 2 1 <0,04
24-TRSAD-019 AGSR000272 2 3 1 <0,04
24-TRSAD-019 AGSR000274 3 4 1 <0,04
24-TRSAD-020 AGSR000275 0 1 1 0.05
24-TRSAD-020 AGSR000276 1 2 1 0.07
24-TRSAD-020 AGSR000277 2 3 1 0.15
24-TRSAD-020 AGSR000278 3 4 1 0.08
24-TRSAD-020 AGSR000279 4 4.1 0.1 0.05
24-TRSAD-021 AGSR000280 0 1 1 <0,04
24-TRSAD-021 AGSR000281 1 2 1 <0,04
24-TRSAD-021 AGSR000282 2 3 1 <0,04
24-TRSAD-021 AGSR000284 3 3.5 0.5 <0,04
24-TRSAD-022 AGSR000285 0 1 1 <0,04
24-TRSAD-022 AGSR000286 1 2 1 <0,04
24-TRSAD-022 AGSR000287 2 3 1 <0,04
24-TRSAD-022 AGSR000288 3 4 1 0.07
24-TRSAD-022 AGSR000289 4 5 1 0.06
24-TRSAD-022 AGSR000290 5 6 1 <0,04
24-TRSAD-023 AGSR000297 0 1 1 <0,04
24-TRSAD-023 AGSR000298 1 2 1 0.05
24-TRSAD-023 AGSR000299 2 3 1 <0,04
24-TRSAD-023 AGSR000300 3 4 1 <0,04
24-TRSAD-023 AGSR000301 4 5 1 <0,04
24-TRSAD-023 AGSR000302 5 6 1 0.05
24-TRSAD-023 AGSR000303 6 7 1 <0,04
24-TRSAD-023 AGSR000304 7 8 1 0.03
24-TRSAD-023 AGSR000306 8 9 1 <0,04
24-TRSAD-023 AGSR000307 9 10 1 <0,04
24-TRSAD-024 AGSR000291 0 1 1 0.08
24-TRSAD-024 AGSR000292 1 2 1 0.04
24-TRSAD-024 AGSR000293 2 3 1 <0,04
24-TRSAD-024 AGSR000295 3 4 1 <0,04
24-TRSAD-024 AGSR000296 4 4.5 0.5 0.10

Matilda Drill Results 2023 drilling campaign

HOLE_ID EAST (UTM SAD69) NORTH (UTM SAD69) RL DEPTH (m) DIP/Azm (°/°UTM) Obs From To Interval (m) True Intersect Lenght (m) Copper Grade (Cu %) Gold Grade (Au g / t)
Previously reported drilling assay results
23-MT-001 609314 9291988 292 548.8 60 / 180   122.6 133.15 10.55 5.28 0.37 0.12
            and 148.25 179.5 31.25 15.63 0.21 0.06
23-MT-002 609004 9291497 265 359.37 60 / 000.           NSI NSI
23-MT-003 608289 9291882 237 149.44 60 / 000           NSI NSI
23-MT-004 609332 9292162 237 398.58 60 / 180   29.85 165.05 135.2 67.60 0.33 0.09
            and 217 305 88 44.00 0.36 0.09
23-MT-005 609002 9291696 299 404.69 60 / 000.   43 60 17 8.50 0.23 0.08
23-MT-006 609332 9292162 261 443.49 60 / 000   31.65 143 111.35 55.68 0.20 0.05
            and 183.2 216.9 33.7 16.85 0.33 0.07
23-MT-007 608978 9292372 283 350.91 60 / 180   22 68 46 23.00 0.20 0.06
23-MT-008 608626 9289542 267 398.62 60 / 000           NSI NSI
23-MT-009 608598 9289763 249 150.46 60 / 180           NSI NSI
23-MT-010 609313 9292614 242 404.78 60 / 180   95.55 117 21.45 10.73 0.40 0.11
            and 215 233 18 9.00 0.38 0.03
23-MT-011 609025 9292819 232 426.01 60 / 180   238 248 10 5.00 0.37 0.14
23-MT-012 609039 9292648 263 401.89 60 / 180   104 148 44 22.00 0.22 0.06
            and 192 202 10 5.00 0.29 0.15
23-MT-013 609000 9291920 299 410.58 60 / 000           NSI NSI
23-MT-014 609002 9291295 233 434.13 60 / 000.           NSI NSI
23-MT-015 609267 9292080 282 150.21 45 / 000.   41 150 109 77.07 0.25 0.07
23-MT-016 609267 9292080 282 219.97 60 / 000   30 40 10 5.00 0.26 0.06
            and 52 62 10 5.00 0.23 0.06
            and 78 204 126 63.00 0.30 0.09
23-MT-017 609367 9292065 280 142.84 45 / 000   102 122 20 14.14 0.35 0.09
23-MT-018 609667 9291960 267 395.02 60 / 000   26 50 24 12.00 0.27 0.08
            and 230 252 22 11.00 0.22 0.06
23-MT-019 609367 9292065 280 229.43 60 / 000   149 179 30 15.00 0.32 0.08
23-MT-020 609002 9291295 233 550.22 70 / 180           NSI NSI
New drilling assay results
23-MT-021 609303 9292320 252 627.77 65 / 180.    24  42 18   7.61 0.26 0.04
            and 122 178 56 23.67 0.26 0.06
            and 228 372 144 60.86 0.26 0.06
            incl 242 260 18 7.61 0.47 0.07
            incl 352 370 18 7.61 0.46 0.10
            and 396 442 46 19.44 0.35 0.09
            incl 410 442 32 13.52 0.40 0.10
            and 468 486 18 7.61 0.22 0.04

Reported intercepts calculated based on a minimum weighted average grade using a minimum mineralisation width of 10 m, lower cut of 0.15% Cu and a maximum internal waste interval of 15 m. Analyses were performed by ALS Laboratories a Certified geochemical laboratory. * Note: Geometries of the mineralisation model, and changes to the minimum mineralisation width and internal wate parameters used for 3D modelling has generated differences in the results presented in the previous press release “Matilda Copper Project – exploration update from September 7th 2023” due to the new results received, geological knowledge acquire and modelling applied. All results are correct based on the parameters used and geological knowledge at the time.
NSI – No Significant Intersection.

GLOSSARY OF TERMS

The following is a glossary of technical terms:

“actinolite” amphibole silicate mineral commonly found in metamorphic rocks, including those surrounding cooled intrusive igneous rocks
Ag means silver.
“alkalic porphyry” A class of copper-porphyry mineral deposits characterised by disseminated mineralisation within and immediately adjacent to silica-saturated to silica-undersaturated alkalic intrusive centres and being copper/gold/molybdenum-rich.
“albite” is a plagioclase feldspar mineral
“aplite” An intrusive igneous rock in which the mineral composition is the same as granite, but in which the grains are much finer
“argillic alteration” is hydrothermal alteration of wall rock which introduces clay minerals including kaolinite, smectite and illite
Au means gold.
assay in economic geology, means to analyse the proportions of metal in a rock or overburden sample; to test an ore or mineral for composition, purity, weight, or other properties of commercial interest.
“biotite” A phyllosilicate mineral composed of a silicate of iron, magnesium, potassium, and aluminum found in crystalline rocks and as an alteration mineral.
“breccia” a rock composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix
“brecciation” Describes the process where large angular broken fragments of minerals or rocks become cemented together by a fine-grained matrix.
CIM means the Canadian Institute of Mining, Metallurgy and Petroleum.
chalcopyrite” is a sulphide of copper and iron.
“copper porphyry” copper ore body formed from hydrothermal fluids. These fluids will be predated by or associated with are vertical dykes of porphry intrusive rocks
Cu means copper.
cut-off grade the lowest grade of mineralised material that qualifies as ore in each deposit; rock of the lowest assay included in an ore estimate.
“dacite porphyry intrusive” a silica-rich igneous rock with larger phenocrysts (crystals) within a fine-grained matrix
deposit is a mineralised body which has been physically delineated by sufficient drilling, trenching, and/or underground work, and found to contain a sufficient average grade of metal or metals to warrant further exploration and/or development expenditures; such a deposit does not qualify as a commercially mineable ore body or as containing ore reserves, until final legal, technical, and economic factors have been resolved.
electromagnetics is a geophysical technique tool measuring the magnetic field generated by subjecting the sub-surface to electrical currents.
“epidote” is a calcium aluminium iron sorosilicate mineral
“garimpo” is a local artisanal mining operation
garimpeiro is a local artisanal miner.
geochemical refers to geological information using measurements derived from chemical analysis.
geophysical refers to geological information using measurements derived from the use of magnetic and electrical readings.
“geophysical techniques include the exploration of an area by exploiting differences in physical properties of different rock types. Geophysical methods include seismic, magnetic, gravity, induced polarisation and other techniques; geophysical surveys can be undertaken from the ground or from the air.
gossan is an iron-bearing weathered product that overlies a sulphide deposit.
grade is the concentration of mineral within the host rock typically quoted as grams per tonne (g/t), parts per million (ppm) or parts per billion (ppb).
g/t means grams per tonne.
“granodiorite” is an igneous intrusive rock like granite.
hectare” or a “ha is a unit of measurement equal to 10,000 square metres.
“hematite” is a common iron oxide compound
“igneous” is a rock that has solidified from molten material or magma.
IP refers to induced polarisation, a geophysical technique whereby an electric current is induced into the sub-surface and the conductivity of the sub-surface is recorded.
“intrusive” is a body of rock that invades older rocks.
“lithocap” Lithocaps are subsurface, broadly stratabound alteration domains that are laterally and vertically extensive. They form when acidic magmatic-hydrothermal fluids react with wallrocks during ascent towards the paleosurface.
mineralisation the concentration of metals and their chemical compounds within a body of rock.
mineralised refers to rock which contains minerals e.g. iron, copper, gold.
“Mo-Bi-As-Te-W-Sn” Molybdenum-Bismuth-Arsenic-Tellurium-Tungsten-Tin
“magnetite” magnetic mineral composed of iron oxide found in intrusive rocks and as an alteration mineral.
“monzodiorite” Is an intrusive rock formed by slow cooling of underground magma.
“monzogranite” a biotite rich granite, often part of the later-stage emplacement of a larger granite body.
mt means million tonnes.
ore means a metal or mineral or a combination of these of sufficient value as to quality and quantity to enable it to be mined at a profit.
oxides are near surface bed-rock which has been weathered and oxidised by long term exposure to the effects of water and air.
“paragenesis” Is a term used to describe the sequence on relative phases of origination of igneous and metamorphic rocks and the deposition of ore minerals and rock alteration.
“ppm” means parts per million.
“phyllic alteration” is a hydrothermal alteration zone in a permeable rock that has been affected by circulation of hydrothermal fluids
“porphry” any of various granites or igneous rocks with coarse grained crystals
“proterozoic” means the geological eon (period) 2.5 billion years ago to 541 million years ago
“pyrite” an iron sulphide mineral
“quartz-alunite ± kaolinite” Alunite is a hydroxylated aluminium potassium sulfate mineral. It presence is typical in areas of advanced argillic alteration and usually accompanied by the presence of quartz (a crystalline silica mineral) and sometimes kaolinite.(a clay mineral).
“saprolite” is a weathered or decomposed clay-rich rock.
“scapolites” are a group of rock-forming silicate minerals composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate
“sulphide” refers to minerals consisting of a chemical combination of sulphur with a metal.
“vein” is a generic term to describe an occurrence of mineralised rock within an area of non-mineralised rock.
“vuggy” a geological feature characterised by irregular cavities or holes within a rock or mineral, often formed by the dissolution or removal of minerals leaving behind empty spaces
“VTEM” refers to versa time domain electromagnetic, a particular variant of time-domain electromagnetic geophysical survey to prospect for conductive bodies below surface.

Assay Results
Assay results reported within this release include those provided by the Company’s own on-site laboratory facilities at Palito and have not yet been independently verified. Serabi closely monitors the performance of its own facility against results from independent laboratory analysis for quality control purpose. As a matter of normal practice, the Company sends duplicate samples derived from a variety of the Company’s activities to accredited laboratory facilities for independent verification. Since mid-2019, over 10,000 exploration drill core samples have been assayed at both the Palito laboratory and certified external laboratory, in most cases the ALS laboratory in Belo Horizonte, Brazil. When comparing significant assays with grades exceeding 1 g/t gold, comparison between Palito versus external results record an average over-estimation by the Palito laboratory of 6.7% over this period. Based on the results of this work, the Company’s management are satisfied that the Company’s own facility shows sufficiently good correlation with independent laboratory facilities for exploration drill samples. The Company would expect that in the preparation of any future independent Reserve/Resource statement undertaken in compliance with a recognised standard, the independent authors of such a statement would not use Palito assay results without sufficient duplicates from an appropriately certificated laboratory.

Forward-looking statements
Certain statements in this announcement are, or may be deemed to be, forward looking statements. Forward looking statements are identified by their use of terms and phrases such as ‘‘believe’’, ‘‘could’’, “should” ‘‘envisage’’, ‘‘estimate’’, ‘‘intend’’, ‘‘may’’, ‘‘plan’’, ‘‘will’’ or the negative of those, variations or comparable expressions, including references to assumptions. These forward-looking statements are not based on historical facts but rather on the Directors’ current expectations and assumptions regarding the Company’s future growth, results of operations, performance, future capital and other expenditures (including the amount, nature and sources of funding thereof), competitive advantages, business prospects and opportunities. Such forward looking statements reflect the Directors’ current beliefs and assumptions and are based on information currently available to the Directors. A number of factors could cause actual results to differ materially from the results discussed in the forward-looking statements including risks associated with vulnerability to general economic and business conditions, competition, environmental and other regulatory changes, actions by governmental authorities, the availability of capital markets, reliance on key personnel, uninsured and underinsured losses and other factors, many of which are beyond the control of the Company. Although any forward-looking statements contained in this announcement are based upon what the Directors believe to be reasonable assumptions, the Company cannot assure investors that actual results will be consistent with such forward looking statements.

Qualified Persons Statement
The scientific and technical information contained within this announcement has been reviewed and approved by Michael Hodgson, a Director of the Company. Mr Hodgson is an Economic Geologist by training with over 30 years’ experience in the mining industry. He holds a BSc (Hons) Geology, University of London, a MSc Mining Geology, University of Leicester and is a Fellow of the Institute of Materials, Minerals and Mining and a Chartered Engineer of the Engineering Council of UK, recognizing him as both a Qualified Person for the purposes of Canadian National Instrument 43-101 and by the AIM Guidance Note on Mining and Oil & Gas Companies dated June 2009.

Neither the Toronto Stock Exchange, nor any other securities regulatory authority, has approved or disapproved of the contents of this news release

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