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PREDICTIVE DISCOVERY LIMITED Capital/Financing Update 2022

Aug 1, 2022

65537_rns_2022-08-01_0efd3df2-ed65-4b7d-8300-437035addeba.pdf

Capital/Financing Update

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2 August 2022

Predictive Discovery Limited ( ASX:PDI ) re-lodges the ASX Release dated 1 August 2022 and titled “4.2moz Bankan Gold Resource - Updated Resource Statement for the Bankan Gold Project”.

The information required by ASX Listing Rule 5.8.1 has been brought forward from the Appendix to the body of the announcement. Otherwise, there are no further changes.

This announcement is authorised for release by Predictive Managing Director, Andrew Pardey.

For further information visit our website at www.predictivediscovery.com or contact:

Andrew Pardey Company Secretary Managing Director Ian Hobson E: [email protected] E: [email protected] P : +61 8 9388 8290

Media Enquiries

Bobby Morse/Ariadna Peretz - Buchanan E: [email protected] P: +44 (0) 20 7466 5000

Predictive Discovery Limited ABN 11 127 171 877 Suite 8, 110 Hay Street, Subiaco WA 6008 T +61 8 9216 1020

2nd August 2022

4.2MOZ BANKAN GOLD RESOURCE

UPDATED RESOURCE STATEMENT FOR THE BANKAN GOLD PROJECT

Predictive Discovery Limited (“Predictive” or “Company”) is pleased to announce an updated JORC 2012compliant Mineral Resource Statement for the Company’s flagship Bankan Project (“Bankan” or “the Project”)

HIGHLIGHTS

  • NE Bankan deposit Total Mineral Resource now 72.3 million tonnes at 1.65g/t Au for 3.9 million ounces of gold.

  • Global Resource for Bankan - NE Bankan and Bankan Creek Deposits - increases to 79.5 million tonnes at 1.63g/t Au for 4.2 million ounces of gold (Table 1).

TABLE 1: BANKAN PROJECT UPDATED MINERAL RESOURCE ESTIMATE

Deposit Classification Million Tonnes Grade Au g/t ‘000 Contained
Au ounces
NE Bankan Inferred 72.3 1.65 3,884
Bankan Creek Inferred 7.2 1.43 331
Total Inferred 79.5 1.63 4,215

(Assays to 21 July 2022, see other accompanying notes to Resource Table[1] )

KEY POINTS ON GROWING BANKAN

  • NE Bankan deposit increased by 569,000 ounces, from 3.3Moz to 3.9Moz an 18% increase in Mineral Resource.

  • NE Bankan grade continues to increase with 72.3 million tonnes at 1.65g/t Au (previously 1.57g/t) driven by the high-grade zone returning an average grade of 6.59g/t Au.

  • Mineral Resource includes initial High-Grade underground resource directly below the optimised pit shell of 283,938 tonnes at 4.85g/t for 44,000 ounces.

  • Initial metallurgical test work for the deeper high-grade zone within the optimised pit shell completed leaching within 24 hours for an average recovery of 92% and results of 30 – 50% gravity recovery.

  • Deepest diamond hole (BNERD0113) sits outside the reported Mineral Resource area, currently as unclassified material, providing exciting potential for further resource growth.

  • NE Bankan remains open downdip with the deepest hole BNERD0113 returning 24m @ 5.5g/t Au from 850m, including 11m @ 10.3g/t Au from 852m[2] with infill and step out drilling expected to convert this result into resource.[2]

1June 30th (2022) cut-off date for drilling to be included in updated Resource.

2 ASX Announcement - deepest hole to date intercepts gold 630m down dip of 3.65Moz Resource pit shell – 15th June 2022.

Predictive Discovery Limited ABN 11 127 171 877 Suite 8, 110 Hay Street, Subiaco WA 6008 T +61 8 9216 1020

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  • The Company has completed multi-element and geochemical analysis of the NE Bankan deposit, with NE Bankan signature now understood and to be used regionally to look for similar NE Bankanstyle discoveries.

  • Updated Resource comprises 83 Reverse Circulation/Diamond Drill (RCDD) and 134 Reverse Circulation (RC) holes for a total of 52,316.8 meters of drilling.

  • Currently nine drill rigs undertaking further resource drilling, grade control and near-deposit exploration across the Bankan Project area.

  • Mineral Resource Estimate has been prepared by independent consultants, CSA Global Mining Industry Consultants (‘CSA’) and is reported in accordance with the JORC Code (2012).

  • Predictive is well funded with $57 million in cash.

Commenting on the updated Mineral Resource Statement, Managing Director Andrew Pardey:

“Today’s results confirm what we have believed since the Discovery Hole in April 2020: Bankan is one of the most significant gold discoveries ever made in West Africa and may possibly become the region’s next tier-one gold mine.

Since our Maiden Resource on 30 September 2021, we have added an extra 569,000 ounces at NE Bankan to achieve an Inferred Mineral Resource of 4.2Moz grading 1.63g/t gold. Importantly, the most exciting step-out hole completed, BNERD0113, is below the current Resource model therefore we will continue with more infill work to convert these results into Resources.

Over the following months and supported by our healthy A$57 million cash balance, we will continue to drill the current deposit to convert the Resource category from Inferred to Indicated, undertake further resource drilling at Bankan Creek and develop our regional targets with the goal of finding more NE Bankan-style deposits along our 35km-long structural corridor.

Looking further forward, the team is hard at work to ensure this project is built into a mine. In addition to drilling and metallurgical work, we will continue working with the Guinean Government, which fully backs the project, as well as working with our advisors to design a project that embeds environmental and social matters at its core, in alignment with the expectation of our stakeholders. This is central to our ability to bring Bankan into production. “

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Page 2 of 28

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Predictive Discovery Limited (“Predictive” or “Company”) is pleased to announce an updated JORC 2012compliant Mineral Resource Statement for the Company’s flagship Bankan Project (“Bankan” or “the Project”), located in Guinea (Fig. 1).

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Figure 1 – Predictive Discovery’s Bankan Project, located in Guinea’s Siguiri Basin

The Mineral Resource Estimate for the Bankan Project is shown in Table 2, reported at a 0.5 g/t Au cut-off grade and constrained by the open pit optimisation, along with the remaining Lower HG outside the optimised pit at Northeast Bankan, considered as an underground resource.

Page 3 of 28

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The resource and grade-tonnage tables are as follows:

TABLE 2: BANKAN PROJECT UPDATED MINERAL RESOURCE ESTIMATE

Deposit Classification Million Tonnes Grade Au g/t ‘000 Contained Au
ounces
NE Bankan Inferred 72.3 1.65 3,884
Bankan Creek Inferred 7.2 1.43 331
Total Inferred 79.5 1.63 4,215

(Assays to 21 July 2022, see other accompanying notes to Resource Table[3] ) Notes to Resource Table:

  1. The Northeast Bankan Mineral Resource is estimated with all drilling data available at 21[st] June 2022; the Bankan Creek Mineral Resource is estimated with all data available at 2[nd] September 2021, and was previously reported by PDI on 30[th] September 2021

  2. The Mineral Resource is reported in accordance with the JORC Code 2012 Edition at a 0.5 g/t Au cutoff.

  3. The Competent Person is Phil Jankowski FAusIMM of CSA Global

  4. The Resources are constrained by optimised pit shells using a metal price of AUD1,800 per ounce Au and process recovery of 94%.

  5. Rounding may lead to minor apparent discrepancies

The entire resource for both prospects is classified Inferred, and both are open at depth and along strike. The grade-tonnage relationship is shown in Table 3.

TABLE 3: NE Bankan Grade Tonnage Table

Cutoff Au g/t Tonnes Grade Au g/t Contained Au ounces
0 496,386,611 0.25 4,014,366
0.1 92,718,277 1.35 4,014,366
0.2 88,314,177 1.41 3,993,127
0.3 80,670,227 1.52 3,931,687
0.4 75,579,577 1.60 3,876,040
0.5 72,332,714 1.65 3,884,109
0.6 68,141,564 1.71 3,755,997
0.7 61,957,776 1.82 3,626,769
0.8 54,888,963 1.96 3,456,318
0.9 47,457,813 2.13 3,253,238
1.0 40,072,925 2.35 3,027,680

3June 30th (2022) cut-off date for drilling to be included in updated Resource.

Page 4 of 28

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Figure 2 - Section 1174940 showing high grade zone and new US1,800 optimised pit shell with the red zone below the pit showing the initial underground resource

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Figure 3 - Oblique Section showing base of resource model with Hole BNERDD 113 outside of current mineral resource over 300 metres from the next drillhole

Page 5 of 28

2nd August 2022

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Figure 4 -High Grade within the optimised pit shell and HG underground Resource below pit shell (right) and Base of resource model and Hole hole BNERD113 below Resource model (left)

2nd August 2022

TABLE 4: NE Bankan Domain Grade Tonnage Table

Domain Tonnes Grade Au g/t Contained Au ounces
2,988,700 0.91 87,441
Laterite
1,470,175 0.70 33,087
Low Grade
60,023,863 1.07 2,064,899
Medium Grade
7,691,850 6.59 1,629,699
High Grade
158,125 4.85 24,657
Lower HG in pit
283,938 4.85 44,275
Lower HG UG
72,616,651 1.66 3,884,058
Total

Overview

Since the Maiden Inferred Resource was reported on 30 September 2021, drilling at Bankan has been focused on growing the NE Bankan Deposit and the high-grade zone beneath the 2021 Maiden Resource Estimate US$1,800/oz pit shell. Resource drilling is currently underway as part of the continued growth strategy, in parallel with aircore and power auger programmes being completed across the Bankan project, testing structural target areas interpreted from the aeromagnetic survey across the project area.

Project location and History

The Bankan gold camp is situated in north-east Guinea, West Africa (Figure 1). The project is 550km by road from Guinea’s capital Conakry within the region of Upper Guinea (Haute-Guinée) and is near the regional administrative centre of Kouroussa (Figure 1), a city of approximately 50,000 inhabitants.

The Bankan project area covers 356km[2 ] in four exploration permits, Kaninko, Saman, Bokoro and Argo. Three permits are held by wholly owned subsidiaries of Predictive Discovery Limited. The fourth, Argo, is held in a joint venture with the owners of local company Argo Mining SARLU, through which the company has the right to acquire 100% equity at decision-to-mine.

Geology and Geological Interpretation

Geologically, the Bankan gold camp lies in the south-western portion of the Siguiri Basin, a component of the early Proterozoic Birimian orogenic belt in north-eastern Guinea. The Siguiri Basin is largely composed of turbiditic sediments with lesser mafic volcanics and minor felsic intrusives. The geology in the immediate Bankan area consists of shelf sedimentary rocks (conglomerates, sandstones, shales and limestones), mafic volcanics and intrusives and felsic intrusives, the latter generally ranging from tonalite to quartz diorite in composition.

The Bankan Gold Project is made up of the NE Bankan and Bankan Creek gold discoveries, both were first tested by power auger and air core drilling in February- March 2020. The initial discovery from air core drill results was

Predictive Discovery Limited ABN 11 127 171 877 Suite 8, 110 Hay Street, Subiaco WA 6008 T +61 8 9216 1020

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reported on 15 April 2020 with a standout intersection of 46m (to EOH) at 6.58 g/t gold from 4m including 10m at 26.52 g/t gold from 34m.[4]

Since February 2020, the company has carried out two very large drilling programs on the Bankan project area, consisting of 5,245m of power auger drilling, 33,886m of reverse circulation (RC) drilling, 17,329m of diamond drilling (DD) and 25,710m of combined RC-DD drilling. These programs have further extended the NE Bankan to over 400m vertical depth and identified new promising targets with encouraging gold grades elsewhere on the Bankan project area.

The dominant host rocks to mineralisation at NE Bankan are felsic to intermediate intrusives, typically of tonalite to quartz diorite composition (collectively called the “felsic intrusives” or the “tonalite”). These intrude mafic volcanics which are overlain by shallowly west-dipping metasediments to the west. The primary gold mineralisation, which dips to the west at approximately 45 degrees, is overlain by oxide gold mineralisation, in laterite and saprolite, from surface to a depth averaging approximately 60m.

The central portion of the NE Bankan gold deposit is strongly controlled by a major west-dipping shear zone, with most gold and higher-grade zones occurring in the footwall of that shear zone within the felsic intrusives. This shear zone appears to split into several weaker shear planes north of the high-grade core where gold grades are generally lower. Gold grades are generally highest where the shear zone forms the contact between the felsic intrusives in the footwall from the mafic volcanics in the hangingwall. The gold mineralised bodies generally strike north-south and dip to the west, parallel to the major shear zone.

Drilling Techniques

All data available as at 21[st] June 2022 was used to estimate the resource for Northeast Bankan. This comprises 134 RC holes for 13,651 linear metres and 83 DD or RC/DDH holes for 38,665.81 linear metres. Core is orientated by a downhole orientation tool. Core diameters used are mostly NQ with minor HQ and HQ triple tube; 140 mm RC face sampling bits were used; and 90 mm aircore.

Core recoveries were recorded by dividing the total length of core returned from each run by the length of the run. Overall core recoveries averaged 92%, with the poorest recoveries (averaging 82%) in the first 40 m of the drillholes. Overall, RC recovery is very good at 96%, however samples in the first metre have lower than average recovery from the collaring process.

A regularity of the recovery pattern downhole suggests considerable lag between the sample being generated at the hammer and reporting to the cyclone. Drillers do not always adhere to the metre marks on the mast, leading to randomly occurring overlength and under length samples.

It is unlikely that overall, the grade of the RC drill samples has been biased, however the combination of regularly and randomly occurring sample weight variations will lead to a degradation of the local grade estimate and a higher than necessary nugget, as well as increased inaccuracy in the spatial delimitation of ore waste boundaries.

4 ASX Announcement - Outstanding drill results confirm new gold discovery in Guinea (15th April 2020)

Page 8 of 28

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Sampling and Sub-sampling Techniques

For diamond drilling samples, core was cut with a diamond saw. Routine samples were half-core, with predetermined diamond core duplicates being quarter-core. For reverse circulation and aircore drillholes, the samples were split using a cone sampler. The majority of chip samples are dry or only slightly damp. RC sample weights are recorded as are the weights of the rejects.

Field duplicate results for reverse circulation and diamond core demonstrated no bias in the sample results. There is a moderate scatter in the reverse circulation duplicate pairs and considerable scatter in the diamond duplicate pairs suggesting that the mineralisation is likely to be highly variable at a short scale, and this variability needs to be taken into account when planning future sampling programs.

Classification Criteria

Gold grades have been estimated using Ordinary Kriging using Surpac software. For Northeast Bankan, three nested grade domains were defined in the saprolite and fresh mineralisation using Leapfrog software, at nominal 3 g/t Au (High Grade), 0.5 g/t Au (Medium Grade) and 0.3 g/t Au (Low Grade) cutoffs from 3 m downhole composites. For the laterite mineralisation, a 0.3 g/t Au cutoff domain was defined from 1 m downhole composites.

These domains were used as hard boundaries. High Grade and Medium Grade composites were cut to 40 g/t Au, low Grade to 7g/t Au and laterite to 15 g/t Au. Search ellipses and maximum composites were chosen following Kriging Neighbourhood Analysis.

The previous resource estimate for Northeast Bankan was dated 30[th] September 2021 and totalled Inferred 65.6Mt@ 1.57g/t for 3.3Moz Au. Previous artisanal mining production is minor in scale and not formally recorded. No by-products have been modelled or are expected. No elements other than gold have been estimated.

The estimation block size is 20 m Y by 10 m X by 5 m Z, approximately half the sample spacing in the best drilled parts of the deposits. The search ellipses range from 160 to 320 m with a minimum of 8 and a maximum of 24 composites adopted. SMU units were not modelled. No assumptions have been made regarding the correlation of variables. The interpretation of the Min shear at Northeast Bankan was used as an anisotropy for the Leapfrog shells.

For the estimate of grades, high-grade cuts were applied to composites to reduce the influence of extreme outliers. These values, determined by statistical analysis including review of coefficient of variation values, histograms, log-probability plots, and mean-variance plots. The aim of choosing topcuts was to reduce the coefficient of variability without unduly affecting the overall mean grade of the various mineralised domains.

Standard model validation was completed using numerical methods (histogram and swath plots) and validated visually in section and 3D against the input raw drillhole data, composites, and blocks. Tonnages have been estimated on a dry basis.

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Sample Analysis Method

Samples were assayed using industry standard fire assaying with a 50 g charge; this method is a total method that should recover all gold in a sample.

Several commercial laboratories have been used, including SGS in Bamako, SGS in Ouagadougou, MSA in Yamoussoukro and BVI in Conakry. All use slightly different procedures, but typically the sample is dried, crushed to -2mm, split to 200g and pulverised to -75 microns, before a 50 g aliquot is taken for assay.

PDI insert routine blanks, certified reference materials and field duplicates into the sample stream submitted to the laboratories. The field duplicates are either second splits of chips (RC and aircore) or quarter core duplicates. The laboratories also insert their own CRMs and perform duplicate assays.

Analysis of this QAQC data demonstrated that the data is of acceptable quality to be used for resource estimation.

Estimation Methodology

The estimation block size is 20 m Y by 10 m X by 5 m Z, approximately half the sample spacing in the best drilled parts of the deposits. The search ellipses range from 160 to 320 m with a minimum of 8 and a maximum of 24 composites adopted. SMU units were not modelled. No assumptions have been made regarding the correlation of variables. The interpretation of the Min shear at Northeast Bankan was used as an anisotropy for the Leapfrog shells.

For the estimate of grades, high-grade cuts were applied to composites to reduce the influence of extreme outliers. These values, determined by statistical analysis including review of coefficient of variation values, histograms, log-probability plots, and mean-variance plots. The aim of choosing topcuts was to reduce the coefficient of variability without unduly affecting the overall mean grade of the various mineralised domains.

Standard model validation was completed using numerical methods (histogram and swath plots) and validated visually in section and 3D against the input raw drillhole data, composites, and blocks. Tonnages have been estimated on a dry basis.

Cut-off Grades

The resource is reported at a 0.5 g/t Au cutoff. Preliminary open pit economic assessments have suggested that for a bulk mining option the economic cutoff is likely to be in the range of 0.4-0.5 g/t Au, depending on the Au price assumed.

Mining and Metallurgical Methods and Parameters and Other Material factors

Open pit mining is considered as the appropriate method for future studies, and the Competent Person believes that there are reasonable prospects for eventual economic extraction based on the outputs of the Whittle optimisations completed. The key assumptions of the optimisations were:

  • Mill throughput of 4Mtpa

  • Metallurgical recovery of 94%

  • Ore loss of 4% and dilution of 5%

  • Base mining cost of US$1.92/t, incremented with depth

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  • Processing costs of US$19.90-$24.73/t, depending on material type

  • Gold price of US$1800/oz

  • Discount rate of 5%.

The optimisations captured a large proportion of the mineralisation and was largely driven by the extent of the modelled high-grade domains.

A scoping level metallurgical testwork program was carried out on eleven samples with a total weight of 305 kg from both Northeast Bankan and Bankan Creek, representing softer saprolite and fresh rock mineralisation. All samples were quarter NQ diamond drill core apart from one saprolite sample of reverse circulation chips.

The scope of the test work program included: comminution testwork, optimisation of grind size and leaching characteristics, gravity concentration, and cyanide leaching tests.

The testwork program was completed by Metallurgy Pty Ltd in Perth, Western Australia. The main results were:

  • The fresh ore is relatively hard, with a Bond Ball Mill Index of 18 to 25 kWh/t

  • Optimum grind size is approximately 75 microns.

  • The ore has a moderate proportion of gravity-recoverable gold, ranging from 13% to 37% for the samples.

  • Using optimum leaching conditions, over 94% of the leach feed gold could be recovered in 24 hours, with a cyanide consumption of 0.7 – 0.9 kg/t and lime consumption of around 0.1 kg/t.

These results suggest that relatively high recoveries may be achievable using standard CIL technology.

No assumptions regarding possible waste and process residue disposal options have been made. Densities were applied according to the interpreted lithology and weathering state.

The Mineral Resource was classified as Inferred based on the level of geological understanding of the mineralisation, quality of samples, and wide drillhole spacing.

The classification reflects the overall level of confidence in mineralised domain continuity based the mineralisation drill sample data numbers, spacing and orientation. Overall mineralisation trends are reasonably consistent within the various lithotypes over numerous drill sections. The Mineral Resource classifications applied appropriately reflect the view of the Competent Person.

- END -

This announcement is authorised for release by Predictive Managing Director, Andrew Pardey.

For further information visit our website at www.predictivediscovery.com or contact:

Andrew Pardey Company Secretary Managing Director Ian Hobson E: [email protected]

Ian Hobson E: [email protected] P : +61 8 9388 8290

Media Enquiries

Bobby Morse/Ariadna Peretz - Buchanan E: [email protected]

P: +44 (0) 20 7466 5000

Page 11 of 28

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COMPETENT PERSONS STATEMENT

The Mineral Resource estimates reported herein are based on information compiled by Mr Phil Jankowski, who is a member of The Australasian Institute of Mining and Metallurgy. Mr Jankowski is a full-time employee of CSA Global Pty Ltd and has sufficient experience relevant to the style of mineralisation and type of deposits being considered to qualify as a Competent Person as defined by the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr Jankowski consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The exploration results reported herein are based on information compiled by Mr Norm Bailie. Mr Bailie is a fulltime employee of the company and has sufficient experience relevant to the style of mineralisation and type of deposits being considered to qualify as a Competent Person as defined by the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr Bailie consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The information in this announcement that relates to prior exploration results have been referenced to the original announcement date. The Company confirms that it is not aware of any new information or data that materially affects previous exploration results referred to in this announcement. The Company also confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the relevant original market announcements.

JORC TABLE 1

Section 1: Sampling Techniques and Data

Criteria JORC Code explanation Commentary
Sampling
techniques
Nature and quality of sampling (e.g.
cut channels, random chips, or specific
specialised industry standard
measurement tools appropriate to the
minerals under investigation, such as
downhole gamma sondes, or handheld
XRF instruments, etc.). These examples
should not be taken as limiting the
_broad meaning of sampling. _
Samples were acquired by a mixture of aircore,
reverse circulation and diamond drilling. The
majority of samples are 1 m downhole, with
diamond core sampling intervals breaking at
lithological contacts where appropriate.
Only reverse circulation and diamond drilling
was used to estimate the resource.
Include reference to measures taken to
ensure sample representivity and the
appropriate calibration of any
measurement tools or systems used.
.
Aspects of the determination of
mineralisation that are Material to the
Public Report. In cases where ‘industry
standard’ work has been done this
would be relatively simple(e.g. ‘reverse

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Criteria JORC Code explanation Commentary
circulation drilling was used to obtain
1 m samples from which 3 kg was
pulverised to produce a 30 g charge for
fire assay’). In other cases more
explanation may be required, such as
where there is coarse gold that has
inherent sampling problems. Unusual
commodities or mineralisation types
(e.g. submarine nodules) may warrant
disclosure of detailed information
Drilling
techniques
Drill type (e.g. core, reverse circulation,
open-hole hammer, rotary air blast,
auger, Bangka, sonic, etc.) and details
(e.g. core diameter, triple or standard
tube, depth of diamond tails, face-
sampling bit or other type, whether
core is oriented and if so, by what
method, etc.).
All data available as at 21stJune 2022 was used
to estimate the resource for Northeast Bankan;
this comprises 134 RC holes for 13,651 linear
metres and 83 DD or RC/DDH holes for
38,665.81 linear metres.
Core is orientated by a downhole orientation
tool. Core diameters used are mostly NQ with
minor HQ and HQ triple tube; 140 mm RC face
samplingbits were used;and 90 mm aircore.
Drill sample
recovery
Method of recording and assessing
core and chip sample recoveries and
results assessed.
Core recoveries were recorded by dividing the
total length of core returned from each run by
the length of the run. Overall core recoveries
averaged 92%, with the poorest recoveries
(averaging 82%) in the first 40 m of the
drillholes.
Overall RC recovery is very good at 96%,
however samples in the first metre have lower
than average recovery from the collaring
process.
A regularity of the recovery pattern downhole
suggests considerable lag between the sample
being generated at the hammer and reporting to
the cyclone.
Drillers do not always adhere to the metre marks
on the mast, leading to randomly occurring
overlength and underlength samples
It is unlikely that overall the grade of the RC drill
samples has been biased however the
combination of regularly and randomly occurring
sample weight variations will lead to a
degradation of the localgrade estimate and a

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Criteria JORC Code explanation Commentary
higher than necessary nugget, as well as
increased inaccuracy in the spatial delimitation
of ore waste boundaries.
Measures taken to maximise sample
recovery and ensure representative
nature of the samples.
The splitters are regularly checked to ensure
sample build up is minimised.
Whether a relationship exists between
sample recovery and grade and
whether sample bias may have
occurred due to preferential loss/gain
of fine/coarse material.
No relationship between sample recovery and
grade has been analysed.
Logging Whether core and chip samples have
been geologically and geotechnically
logged to a level of detail to support
appropriate Mineral Resource
estimation, mining studies and
metallurgical studies.
Holes have been logged for lithology,
weathering, alteration, mineralization, and
geological structures. Photographs have been
taken of each core tray.
The Competent Person considers that the level
of detail is sufficient for the reporting of Mineral
Resources.
Whether logging is qualitative or
quantitative in nature. Core (or
costean, channel, etc.) photography.
The Competent Person considers that the
availability of qualitative and quantitative
logging has appropriately informed the
geological modelling, including weathering and
oxidation,water table level and rock type.
The total length and percentage of the
relevant intersections logged.
All drillhole intervals have been logged. The total
meterage is 52,361.81 m.
Subsampling
techniques
and sample
preparation
If core, whether cut or sawn and
whether quarter, half or all core taken.
Core was cut with a diamond saw. Routine
samples were half-core, with predetermined
diamond core duplicates being quarter-core.
If non-core, whether riffled, tube
sampled, rotary split, etc. and whether
_sampled wet or dry. _
Reverse circulation and aircore drillholes were
split using a cone sampler. The majority of chip
samples are dryor onlyslightlydamp.
For all sample types, the nature,
quality and appropriateness of the
samplepreparation technique.
The Competent Person considers these methods
appropriate for this style of mineralisation.
Quality control procedures adopted for
all subsampling stages to maximise
representivity of samples.
For reverse circulation and aircore samples,
sample weights are recorded as are the weights
of the rejects.

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Criteria JORC Code explanation Commentary
Measures taken to ensure that the
sampling is representative of the in-
situ material collected, including for
instance results for field
duplicate/second-half sampling.
Field duplicate results for reverse circulation and
diamond core demonstrated no bias in the
sample results. There is a moderate scatter in the
reverse circulation duplicate pairs and
considerable scatter in the diamond duplicate
pairs suggesting that the mineralisation is likely
to be highly variable at a short scale, and this
variability needs to be taken into account when
planningfuture sampling programs.
Whether sample sizes are appropriate
to the grain size of the material being
sampled.
Sample sizes are considered to be appropriate to
the grain size of the material being sampled.
Quality of
assay data
and
laboratory
tests
The nature, quality and
appropriateness of the assaying and
laboratory procedures used and
whether the technique is considered
partial or total.
Samples were assayed using industry standard
fire assaying with a 50 g charge; this method is a
total method that should recover all gold in a
sample.
Several commercial laboratories have been used,
including SGS in Bamako, SGS in Ouagadougou,
MSA in Yamoussoukro and BVI in Conakry. All
use slightly different procedures, but typically
the sample is dried, crushed to -2mm, split to
200g and pulverised to -75 microns, before a 50
galiquot is taken for assay.
For geophysical tools, spectrometers,
handheld XRF instruments, etc., the
parameters used in determining the
analysis including instrument make
and model, reading times, calibrations
factors applied and their derivation,
etc.
Not applicable
Nature of quality control procedures
adopted (e.g. standards, blanks,
duplicates, external laboratory checks)
and whether acceptable levels of
accuracy (i.e. lack of bias) and
precision have been established.
PDI insert routine blanks, certified reference
materials and field duplicates into the sample
stream submitted to the laboratories. The field
duplicates are either second splits of chips (RC
and aircore) or quarter core duplicates. The
laboratories also insert their own CRMs and
perform duplicate assays.
Analysis of this QAQC data demonstrated that
the data is of acceptable quality to be used for
resource estimation.

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Criteria JORC Code explanation Commentary
Verification
of sampling
and assaying
The verification of significant
intersections by either independent or
alternative company personnel.
The use of twinned holes. No twinned holes have been completed.
Documentation of primary data, data
entry procedures, data verification,
data storage (physical and electronic)
protocols.
Drillhole logging is completed on paper sheets
and manually entered into a database on site.
The data is managed by a company employee,
who checks for data validation. Assay results are
returned electronically from the assay laboratory
and are merged into the assay table of the
database.
Discuss any adjustment to assay data. No adjustments or calibrations have been made
to anyassaydata.
Location of
data points
Accuracy and quality of surveys used
to locate drillholes (collar and
downhole surveys), trenches, mine
workings and other locations used in
Mineral Resource estimation.
Collar surveying is by contracted surveyors using
DGPS enabled survey devices. Centimetric
accuracy is achieved in the 3D positioning of drill
collars and topographic features.
Holes are downhole surveyed with gyroscopic
tools; the Champ Gyro or the Reflex EZ Shot
dependingon the contractor.
Specification of thegrid system used. All surveyingis completed on the WGS84grid.
Quality and adequacy of topographic
control.
The Competent Person considers that the surface
is suitable for this Mineral Resource estimate.
Data spacing
and
distribution
Data spacing for reporting of
Exploration Results.
Whether the data spacing and
distribution is sufficient to establish the
degree of geological and grade
continuity appropriate for the Mineral
Resource and Ore Reserve estimation
procedure(s) and classifications
applied.
The Competent Person believes the mineralised
zones have sufficient geological and grade
continuity to support the classification applied to
the Mineral Resources given the current drill
pattern.
Whether sample compositing has been
applied.
Drillholes were composited to 3 m downhole for
saprolite and fresh mineralisation, and 1 m
downhole for the laterite domain.
Orientation
of data in
relation to
Whether the orientation of sampling
achieves unbiased sampling of possible
Most of the drilling at Northeast Bankan is
orientated at a high angle to the dip and strike
of the mineralisation.

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Criteria JORC Code explanation Commentary
geological
structure
structures and the extent to which this
is known, considering the deposit type.
If the relationship between the drilling
orientation and the orientation of key
mineralised structures is considered to
have introduced a sampling bias, this
should be assessed and reported if
material.
At Northeast Bankan, early drilling programs were
oriented to the west; when it was recognised that
the mineralisation dips west, the drilling was
switched to east drilling and most areas were re-
drilled. An analysis of the data from east and west
dipping holes showed:
• The mean and median of the west dipping holes
are higher than east dipping in the saprolite
• In the saprolite, the composites in the west
dipping holes are more variable
• The west dipping holes in the saprolite have a
larger population > 2 g/t Au
• The mean and median of the west dipping holes
are lower than east dipping in the fresh
• In the saprolite, the composites in the west
dipping holes are less variable.
The west dipping data was filtered from the
composite dataset before further processing,
except for the laterite domain.
Sample
security
The measures taken to ensure sample
security.
Samples are stored onsite with a 24-hour
security presence. Samples are bagged in
polyweave sacks, sealed and then driven directly
to the assay laboratory; the current laboratory
used is SGS in Bamako, Mali which requires
crossingan international border.
Audits or
reviews
The results of any audits or reviews of
sampling techniques and data.
No external audit of sampling techniques and
data has been undertaken.

Section 2: Reporting of Exploration Results

Criteria JORC Code explanation Commentary Commentary Commentary
Mineral Type, reference name/number, The Bankan Property consists of four_Permis de Recherce_
tenement and location and ownership Industrielle (Or). Details are provided below.
land tenure including agreements or
status material issues with third
parties such as joint ventures,
partnerships, overriding
Tenement
Name
Kaninko
Area
(km2)
98.2158
Holder
Grant
Date
Mamou 3.10.19
Expiry
Date
2.10.22
royalties, native title interests,
historical sites, wilderness or
Saman
Bokoro
99.74845
99.9785
Mamou 11.6. 20
Kindia
9.11.20
10.6.23
8.11.23
Page 17 of 28

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Criteria JORC Code explanation Commentary Commentary Commentary Commentary Commentary
national park and
environmental settings.
Argo 57.5422 Argo 24.10.18 23.10.21

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Criteria JORC Code explanation Commentary
have been registered by the Ministry and are in
process.
The security of the tenure held
at the time of reporting along
with any known impediments to
obtaining a licence to operate in
the area.
No impediments are currently known.
Exploration
done by other
parties
Acknowledgment and appraisal
of exploration by other parties.
No previous significant modern exploration has been
performed in the project area. Artisanal miners have
extracted an unknown quantity of gold from shallow
hand dug pits and shafts, with panning and loaming
used to identifymineralized areas.
Geology Deposit type, geological setting
and style of mineralisation.
The Bankan deposits are hosted in Paleoproterozoic
rocks of the Birimian Supergroup in the Siguiri Basin,
which is host to several significant large active gold
mining operations.
Mineralization consists of wide zones of structurally
controlled chlorite, silica and sericite alteration with
associated pyrite and quartz veining, emplaced during
deformation of anastomosing north-south shears on
the hangingwall of a tonalitic felsic intrusive, which has
intruded
a
mafic
and
sedimentary
greenstone
sequence.
Weathering has formed a deep saprolite profile, with a
pisolitic and nodular lateritic cover which hosts
remobilised gold, generally above the primary deposits
or dispersed a few tens of metres laterally.
Drillhole
information
A summary of all information
material to the understanding
of the exploration results
including a tabulation of the
following information for all
Material drillholes:
Easting and northing of the
drillhole collar
Elevation or RL (Reduced
Level – elevation above sea
level in metres) of the
drillhole collar
Dip and azimuth of the hole
Exploration Results are not being reported.

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Criteria JORC Code explanation Commentary
Downhole length and
interception depth
Hole length.
If the exclusion of this
information is justified on the
basis that the information is not
Material and this exclusion does
not detract from the
understanding of the report, the
Competent Person should
clearly explain why this is the
case.
Exploration Results are not being reported.
Data
aggregation
methods
In reporting Exploration Results,
weighting averaging techniques,
maximum and/or minimum
grade truncations (e.g. cutting
of high grades) and cut-off
grades are usually Material and
should be stated.
Exploration Results are not being reported.
Where aggregate intercepts
incorporate short lengths of
high grade results and longer
lengths of low grade results, the
procedure used for such
aggregation should be stated
and some typical examples of
such aggregations should be
shown in detail.
Exploration Results are not being reported.
The assumptions used for any
reporting of metal equivalent
values should be clearly stated.
Exploration Results are not being reported.
Relationship
between
mineralisation
widths and
intercept
lengths
These relationships are
particularly important in the
reporting of Exploration Results.
Exploration Results are not being reported.
If the geometry of the
mineralisation with respect to
the drillhole angle is known, its
nature should be reported.
Exploration Results are not being reported.
If it is not known and only the
downhole lengths are reported,
Exploration Results are not being reported.

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Criteria JORC Code explanation Commentary
there should be a clear
statement to this effect (e.g.
‘downhole length, true width
_not known’). _
Diagrams Appropriate maps and sections
(with scales) and tabulations of
intercepts should be included
for any significant discovery
being reported These should
include, but not be limited to a
plan view of drillhole collar
locations and appropriate
sectional views.
Relevant maps and diagrams are included in the body
of this report.
Balanced
reporting
Where comprehensive reporting
of all Exploration Results is not
practicable, representative
reporting of both low and high
grades and/or widths should be
practiced to avoid misleading
reporting of Exploration Results.
Exploration Results are not being reported.
Other
substantive
exploration
data
Other exploration data, if
meaningful and material,
should be reported including
(but not limited to): geological
observations; geophysical survey
results; geochemical survey
results; bulk samples – size and
method of treatment;
metallurgical test results; bulk
density, groundwater,
geotechnical and rock
characteristics; potential
deleterious or contaminating
substances.
Not applicable.
Further work The nature and scale of planned
further work (e.g. tests for
lateral extensions or depth
extensions or large-scale step-
_out drilling). _
Northeast Bankan is open at depth for the majority of
their strike length. Further extension and infill drilling
will be planned to improve the resource classification
and add to the total resource.
Diagrams clearly highlighting
the areas of possible extensions,
Relevant maps and diagrams are included in the body
of this report.

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Criteria JORC Code explanation Commentary
including the main geological
interpretations and future
drilling areas, provided this
information is not commercially
sensitive.

Section 3: Estimation and Reporting of Mineral Resources

Criteria JORC Code explanation Commentary
Database
integrity
Measures taken to ensure that data
has not been corrupted by, for
example, transcription or keying
errors, between its initial collection
and its use for Mineral Resource
estimationpurposes.
Data is manually entered onsite into Excel
spreadsheet files, using a standardised format..
Data validation procedures used. The Competent Person checked the drillhole
files for errors prior to Mineral Resource
estimation.
The Competent Person found no material errors
and deemed the database was fit for the
purpose of Mineral Resource estimation.:
Site visits Comment on any site visits
undertaken by the Competent Person
and the outcome of those visits.
The Competent Person visited the site from
10th to 15th June 2022, and inspected:

The general site layout, including the NE
Bankan and Bankan Creek prospects, Bankan
village and surrounding areas

Diamond core drilling

Drillhole setup

Core orientation and markup

Core logging

Core sampling

Density measurement procedure

PLT measurement procedure

XRF measurement procedure

RC drilling

RC sampling

Aircore drilling and sampling

Auger drilling and sampling

Sample dispatch

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Criteria JORC Code explanation Commentary

Core and RC retention bag storage

Pulp storage
If no site visits have been undertaken,
indicate why this is the case.
Geological
interpretation
Confidence in (or conversely, the
uncertainty of) the geological
interpretation of the mineral deposit.
All drillholes have been geologically logged for
weathering and lithology. A standardisation and
relogging program in April 2021 ensured
consistency of logging and allowed lithologies
to be simplified into a few main types.
Nature of the data used and of any
assumptions made.
No material assumptions have been made
which affect the Mineral Resource reported
herein.
The effect, if any, of alternative
interpretations on Mineral Resource
estimation.
The Competent Person is confident any
alternative interpretations would result in
globally immaterial differences in the Mineral
Resource estimate.
The use of geology in guiding and
controlling Mineral Resource
estimation. The factors affecting
continuity both of grade and geology.
The Northeast Bankan interpreted
anastomosing shear system has been used as a
primary control in the interpretation of the
mineralised domains. The High Grade domain is
located at and in the immediate footwall of the
Main Shear
Dimensions The extent and variability of the
Mineral Resource expressed as length
(along strike or otherwise), plan width,
and depth below surface to the upper
and lower limits of the Mineral
Resource.
The Northeast Bankan resource covers a strike
length of approximately 1, 500 m, and has been
estimated to -145 m RL, approximately 600 m
below the natural surface. The plan width varies
from 50 m to more than 220 m wide. The
laterite mineralisation is near the natural
surface, with saprolite mineralisation directly
below the base of the laterite.
Estimation
and modelling
techniques
The nature and appropriateness of the
estimation technique(s) applied and
key assumptions, including treatment
of extreme grade values, domaining,
interpolation parameters and
maximum distance of extrapolation
from data points. If a computer
assisted estimation method was
chosen, include a description of
Gold grades have been estimated using
Ordinary Kriging using Surpac software.
For Northeast Bankan, three nested grade
domains were defined in the saprolite and fresh
mineralisation using Leapfrog software, at
nominal 3 g/t Au (High Grade), 0.5 g/t Au
(Medium Grade) and 0.3 g/t Au (Low Grade)
cutoffs from 3 m downhole composites. For the
laterite mineralisation,a 0.3g/t Au cutoff

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Criteria JORC Code explanation Commentary
computer software and parameters
used
domain was defined from 1 m downhole
composites.
These domains were used as hard boundaries.
High Grade and Medium Grade composites
were cut to 40 g/t Au, low Grade to 7g/t Au and
laterite to 15 g/t Au.
Search ellipses and maximum composites were
chosen following Kriging Neighbourhood
Analysis.
The availability of check estimates,
previous estimates and/or mine
production records and whether the
Mineral Resource estimate takes
appropriate account of such data.
The previous resource estimate for Northeast
Bankan was dated 30thSeptember 2021 and
totalled Inferred 65.6Mt@ 1.57g/t for 3.3Moz
Au.
Previous artisanal mining production is minor in
scale and not formallyrecorded.
The assumptions made regarding
recovery of by-products.
No by-products have been modelled or are
expected.
Estimation of deleterious elements or
other non-grade variables of economic
significance (e.g. sulphur for acid mine
_drainage characterisation). _
No elements other than gold have been
estimated.
In the case of block model
interpolation, the block size in relation
to the average sample spacing and the
search employed.
The estimation block size is 20 m Y by 10 m X
by 5 m Z, approximately half the sample
spacing in the best drilled parts of the deposits.
The search ellipses range from 160 to 320 m
with a minimum of 8 and a maximum of 24
composites adopted.
Any assumptions behind modelling of
selective mining units.
SMU units were not modelled.
Any assumptions about correlation
between variables
No assumptions have been made regarding the
correlation of variables.
Description of how the geological
interpretation was used to control the
resource estimates.
The interpretation of the Min shear at Northeast
Bankan was used as an anisotropy for the
Leapfrogshells.
Discussion of basis for using or not
using grade cutting or capping.
For the estimate of grades, high-grade cuts
were applied to composites to reduce the
influence of extreme outliers. These values,
determined by statistical analysis including
review of coefficient of variation values,
histograms,log-probability plots,and mean-

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Criteria JORC Code explanation Commentary
variance plots. The aim of choosing topcuts was
to reduce the coefficient of variability without
unduly affecting the overall mean grade of the
various mineralised domains.
The process of validation, the checking
process used, the comparison of model
data to drillhole data, and use of
reconciliation data if available.
Standard model validation was completed using
numerical methods (histogram and swath plots)
and validated visually in section and 3D against
the input raw drillhole data, composites, and
blocks.
Moisture Whether the tonnages are estimated
on a dry basis or with natural
moisture, and the method of
determination of the moisture content.
Tonnages have been estimated on a dry basis.
Cut-off
parameters
The basis of the adopted cut-off
grade(s) or quality parameters applied.
The resource is reported at a 0.5 g/t Au cutoff.
Preliminary open pit economic assessments
have suggested that for a bulk mining option
the economic cutoff is likely to be in the range
of 0.4-0.5 g/t Au, depending on the Au price
assumed.
Mining
factors or
assumptions
Assumptions made regarding possible
mining methods, minimum mining
dimensions and internal (or, if
applicable, external) mining dilution. It
is always necessary as part of the
process of determining reasonable
prospects for eventual economic
extraction to consider potential mining
methods, but the assumptions made
regarding mining methods and
parameters when estimating Mineral
Resources may not always be rigorous.
Where this is the case, this should be
reported with an explanation of the
basis of the mining assumptions
made.
Open pit mining is considered as the
appropriate method for future studies, and the
Competent Person believes that there are
reasonable prospects for eventual economic
extraction based on the outputs of the Whittle
optimisations completed. The key assumptions
of the optimisations were:

Mill throughput of 4Mtpa

Metallurgical recovery of 94%

Ore loss of 4% and dilution of 5%

Base mining cost of US$1.92/t, incremented
with depth

Processing
costs
of
US$19.90-$24.73/t,
depending on material type

Gold price of US$1800/oz

Discount rate of 5%.
The optimisations captured a large proportion
of the mineralisation and was largely driven by
the extent of the modelled High Grade
domains.

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Criteria JORC Code explanation Commentary
Metallurgical
factors or
assumptions
The basis for assumptions or
predictions regarding metallurgical
amenability. It is always necessary as
part of the process of determining
reasonable prospects for eventual
economic extraction to consider
potential metallurgical methods, but
the assumptions regarding
metallurgical treatment processes and
parameters made when reporting
Mineral Resources may not always be
rigorous. Where this is the case, this
should be reported with an
explanation of the basis of the
metallurgical assumptions made.
A scoping level metallurgical testwork program
was carried out on eleven samples with a total
weight of 305 kg from both Northeast Bankan
and Bankan Creek, representing softer saprolite
and fresh rock mineralisation. All samples were
quarter NQ diamond drill core apart from one
saprolite sample of reverse circulation chips.
The scope of the test work program included:
comminution testwork, optimisation of grind size
and
leaching
characteristics,
gravity
concentration, and cyanide leaching tests.
The testwork program was completed by
Metallurgy Pty Ltd in Perth, Western Australia.
The main results were:
• The fresh ore is relatively hard, with a Bond Ball
Mill Index of 18 to 25 kWh/t
• Optimum grind size is approximately 75
microns.
• The ore has a moderate proportion of gravity-
recoverable gold, ranging from 13% to 37%
for the samples.
• Using optimum leaching conditions, over 94%
of the leach feed gold could be recovered in
24 hours, with a cyanide consumption of 0.7 –
0.9 kg/t and lime consumption of around 0.1
kg/t.
These results suggest that relatively high
recoveries may be achievable using standard CIL
technology.
Environmental
factors or
assumptions
Assumptions made regarding possible
waste and process residue disposal
options. It is always necessary as part
of the process of determining
reasonable prospects for eventual
economic extraction to consider the
potential environmental impacts of the
mining and processing operation.
While at this stage the determination
of potential environmental impacts,
particularly for a greenfields project,
may not always be well advanced, the
No assumptions regarding possible waste and
process residue disposal options have been
made.

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Criteria JORC Code explanation Commentary
status of early consideration of these
potential environmental impacts
should be reported. Where these
aspects have not been considered, this
should be reported with an
explanation of the environmental
assumptions made.
Bulk density Whether assumed or determined. If
assumed, the basis for the
assumptions. If determined, the
method used, whether wet or dry, the
frequency of the measurements, the
nature, size and representativeness of
the samples.
The density of selected core samples are
measured using an immersion method. Samples
of 10-30cm of competent core a re selected,
every 30-50m in waste lithologies and every 5m
in shear zones. The samples are oven dried,
then weighed in air and then immersed in
water. Friable. Oxidised or porous samples are
first wax coated, with the mass of the wax
recorded and taken into account for the density
calculation using Archimedes’ Principle.
A total of 771 measurements have been
recorded. The densities applied are fresh
Tonalite: 2.8; fresh mafic: 2.9; fresh
metasediment: 2.6; saprock, 2.3; saprolite and
mottled zone: 1.6; laterite:2.2. These are typical
values for the logged rock types.
The bulk density for bulk material
must have been measured by methods
that adequately account for void
spaces (vugs, porosity, etc.), moisture
and differences between rock and
alteration zones within the deposit.
Discuss assumptions for bulk density
estimates used in the evaluation
process of the different materials.
Densities were applied according to the
interpreted lithology and weathering state.
Classification The basis for the classification of the
Mineral Resources into varying
confidence categories.
The Mineral Resource was classified as Inferred
based on the level of geological understanding
of the mineralisation, quality of samples, and
wide drillhole spacing.
Whether appropriate account has
been taken of all relevant factors (i.e.
relative confidence in tonnage/grade
estimations, reliability of input data,
confidence in continuity of geology
The classification reflects the overall level of
confidence in mineralised domain continuity
based the mineralisation drill sample data
numbers, spacing and orientation. Overall
mineralisation trends are reasonablyconsistent

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Criteria JORC Code explanation Commentary
and metal values, quality, quantity
_and distribution of the data). _
within the various lithotypes over numerous drill
sections.
Whether the result appropriately
reflects the Competent Person’s view
of the deposit.
The Mineral Resource classifications applied
appropriately reflect the view of the Competent
Person.
Audits or
reviews
The results of any audits or reviews of
Mineral Resource estimates.
Internal audits were completed by CSA Global
which verified the technical inputs,
methodology, parameters and results of the
estimate.
Discussion of
relative
accuracy/
confidence
Where appropriate, a statement of the
relative accuracy and confidence level
in the Mineral Resource estimate using
an approach or procedure deemed
appropriate by the Competent Person.
For example, the application of
statistical or geostatistical procedures
to quantify the relative accuracy of the
resource within stated confidence
limits, or, if such an approach is not
deemed appropriate, a qualitative
discussion of the factors that could
affect the relative accuracy and
confidence of the estimate.
The accuracy of the Mineral Resource is
communicated through the classification
assigned. The Mineral Resource been classified
in accordance with the JORC Code (2012
Edition) using a qualitative approach. All factors
that have been considered have been
adequately communicated in Section 1 and
Section 3 of this table.
The statement should specify whether
it relates to global or local estimates,
and, if local, state the relevant
tonnages, which should be relevant to
technical and economic evaluation.
Documentation should include
assumptions made and the procedures
used.
The Mineral Resource Statement relates to a
global estimate of in-situ tonnes and grade. It is
suitable for reporting as a resource, however
the relatively wide sampling grid has produced
a model with only moderately well estimated
individual blocks. No reliance should be placed
on individual block grade estimates.
These statements of relative accuracy
and confidence of the estimate should
be compared with production data,
where available.
There has been no previous commercial
production from the property. Previous artisanal
mining production is minor in scale and not
formallyrecorded.