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CONICO LTD Capital/Financing Update 2022

Sep 1, 2022

64678_rns_2022-09-01_486f3ffd-da7f-4619-b31d-dc1768fc2ae5.pdf

Capital/Financing Update

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ASX Announcement

CORRECTION TO ANNOUCEMENT: HEAVILY DISSEMINATED & SEMI-MASSIVE SULPHIDES INTERCEPTED IN FOUR MORE DRILL HOLES AT MTJV

Conico Limited ( ASX: CNJ ) ( Conico or the Company ) wishes to advise of a correction to its ASX announcement dated 1[st] September 2022 titled “Heavily Disseminated & Semi-massive Sulphides Intercepted in Four More Drill Holes at MTJV” ( Announcement ). The correction is in relation to the computation of semi-massive and/or heavily disseminated lengths in holes MTRC007D and MTRC014D, as set out below.

Previously reported intercept:

  • MTRC007D: 122.0 metres of disseminated sulphides from 227.0 metres, including: o 19.0 metres of heavily disseminated from 227.0 metres

  • MTRC014D: 108.2 metres of disseminated sulphides from 208.0 metres, including: o 72.3 metres of heavily disseminated from 208.0 metres

Updated and corrected intercept:

  • MTRC007D: 76.8 metres of disseminated sulphides from 227.0 metres, including: o 19.0 metres of heavily disseminated from 227.0 metres

  • MTRC014D: 51.2 metres of disseminated sulphides from 208.0 metres, including: o 15.3 metres of heavily disseminated from 208.0 metres

The relevant information has been updated in the table at Appendix 1 of the updated and corrected Announcement attached hereto.

This announcement is authorised by the Board of Directors.

- END -

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Conico Ltd ABN 49 119 057 457 Level 15, 197 St George’s Terrace Perth, WA 6000 Australia

+61 (0)8 9282 5889 [email protected] www.conico.com.au

@conico_ltd @ConicoLtd conico-limited

1[st] September 2022

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ASX ANNOUNCEMENT

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----- Start of picture text -----

HEAVILY DISSEMINATED & SEMI-MASSIVE SULPHIDES
INTERCEPTED IN FOUR MORE DRILL HOLES AT MTJV
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Diamond & reverse circulation drilling south of Callisto continues with a total of five holes now completed.

  • All holes completed to date have intercepted semi-massive and/or heavily disseminated sulphides, including:

  • MTRC003D: 127.3 metres of disseminated sulphides from 178.4 metres, including1:

    • 37.1 metres of heavily disseminated from 268.6 metres
  • MTRC007D: 76.8 metres of disseminated sulphides from 227.0 metres, including[1] :

    • 19.0 metres of heavily disseminated from 227.0 metres
  • MTRC009D: 51.6 metres of disseminated sulphides from 227.0 metres, including[1] :

    • 34.3 metres of heavily disseminated from 232.0 metres
  • MTRC014D: 51.2 metres of disseminated sulphides from 208.0 metres, including[1] :

    • 15.3 metres of heavily disseminated from 208.0 metres
  • MTJV001: 65.0 metres of disseminated sulphides from 190.0 metres, including (reported 18/08/22):

    • 22.0 metres of heavily disseminated from 233.0 metres
  • Mineralisation associated with an accumulation of sulphides near the sediment contact (as is Callisto).

  • Cu & Ni sulphide species logged in core which are often associated with PGE mineralisation at Callisto[2][,][3]

  • First assays expected within 2-4 weeks , including palladium, platinum, gold, copper, nickel & rhodium.

  • Prospective mineralised horizon remains open in all directions with a further 2.0km strike on JV tenure.

1 Refer to Appendix 1 for further details, including sulphide species and percentages.

2 Chalcopyrite, pentlandite and pyrrhotite were logged in core. Refer to Appendix 1 for further details, including sulphide species and percentages.

3 ASX:GAL 04/05/2022

2 Conico Ltd ASX: CNJ F:BDD

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Figure 1: See Appendices 1 & 2 for a summary geological log and the Joint Ventures sulphide logging guide.

3 Conico Ltd ASX: CNJ F:BDD

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Conico Limited ( ASX: CNJ ) ( Conico or the Company ) is pleased to provide an update on exploration activities at the Mt Thirsty Joint Venture ( MTJV ) (Greenstone Resources 50%: Conico Limited 50%), where all five diamond drill holes completed to date as part of the Phase I drill campaign have intersected thick zones of semi-massive and/or heavily disseminated sulphides. The current Phase I drill campaign is testing for extensions to the recent palladium-platinum-gold-copper-nickel (PGE) discovery by Galileo Mining Ltd (ASX:GAL) (Galileo) located less than 200 metres from the MTJV’s northern tenement boundary. The MTJV is located 16 kilometres North-Northwest of Norseman, Western Australia.

Following from hole MTJV001 (CNJ ASX Announcement, 18 August 2022), four diamond drill holes with reverse circulation pre-collars have subsequently been completed and recently logged as part of the ongoing Phase I drill campaign. Importantly, all holes drilled to date have intercepted wide zones of semi-massive and/or heavily disseminated sulphides, serving to define a prospective exploration horizon of at least 300 x 400 metres on the MTJV tenure, which remains open in all directions (Figure 2).

Executive Director, Guy le Page, commented :

“The continuity of prospective horizons south of Callisto is encouraging with recent drilling from this first phase intersecting thick and continuous zones of heavily disseminated sulphides in the first five drill holes. A prospective horizon of at least 300 x 400 metres on the MTJV tenure has been found to dip south and remains open in all directions.

A further fifteen holes are planned over the next 6-8 weeks as part of the aggressive Phase I drill campaign. The Phase II drill campaign will be fast tracked pending the receipt of initial assays.”

4 Conico Ltd ASX: CNJ F:BDD

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All holes drilled to date continue to show a similar geological sequence of weakly disseminated sulphides – disseminated sulphides – heavily disseminated sulphides – disseminated sulphides – weakly disseminated sulphides (Appendix 1), including:

  • MTRC003D: 127.3 metres of disseminated sulphides from 178.4 metres, including: o 37.1 metres of heavily disseminated from 268.6 metres

  • MTRC007D: 122.0 metres of disseminated sulphides from 227.0 metres, including: o 19.0 metres of heavily disseminated from 227.0 metres

  • MTRC009D: 51.6 metres of disseminated sulphides from 227.0 metres, including: o 34.3 metres of heavily disseminated from 232.0 metres

  • MTRC014D: 108.2 metres of disseminated sulphides from 208.0 metres, including: o 72.3 metres of heavily disseminated from 208.0 metres

  • MTJV001: 65.0 metres of disseminated sulphides from 190.0 metres, including (reported 18/08/22):

  • 22.0 metres of heavily disseminated from 233.0 metres

The Phase I drill campaign continues on schedule with five holes of the program now completed (1,650 metres) and fifteen still remaining (4,200 metres). The drill rig has subsequently moved further south (600 metres from Callisto) and is currently drilling MTRC017D. The initial focus of the campaign to date has been on testing for immediate along strike extensions to Callisto, the focus of the upcoming drilling will now shift further south and further east, supported by a smaller multi-purpose drill rig to be mobilised later this week.

MTJV001 has since been submitted for assaying with results expected back within the next 2-4 weeks. Assays for MTRC003D, MTRC007D, MTRC009D and MTRC014D are expected within the next 3-6 weeks. All holes will be assayed for palladium, platinum, gold, copper, nickel, and rhodium, with results to be periodically released.

5 Conico Ltd ASX: CNJ F:BDD

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BACKGROUND & TECHNICAL DISCUSSION

The Mt Thirsty Project overlies a north-striking sequence of Archaean rocks of the Mount Kirk Formation at the southern end of the Norseman-Wiluna greenstone belt. The Mount Kirk Formation comprises metamorphosed peridotite, pyroxenite, sedimentary rocks and mafic and acid volcanics. Within the area, the Mount Kirk Formation is intruded by two major mafic-ultramafic differentiated sills, the Mount Thirsty Sill and the Mission Sill.

Galileo recently announced (GAL, ASX Announcement, 11 May 2022) the completion of six reverse circulation drillholes at Callisto targeting a zone of accumulated sulphides near the contact between an ultramafic sill and a package of sedimentary rocks. An initial appraisal of the results from Callisto by Galileo indicates similarities in mineralisation style to the Platreef deposits on the northern limb of the Bushveld Complex in South Africa. The Platreef deposits are very large in nature and have combined indicated resources of >700Mt at a 1 g/t 3PE+Au cut off4 and contain palladium, platinum, gold, rhodium, copper, and nickel. Significant intercepts from the discovery hole NRC266 drilled by Galileo on their tenure, include[5] :

  • 33 metres @ 2.00g/t 3E6 (1.64g/t Pd, 0.28g/t Pt, 0.09g/t Au), 0.32% Cu & 0.30% Ni from 144m, including;

  • 6 metres @ 2.69g/t 3E (2.21g/t Pd, 0.37g/t Pt, 0.11g/t Au), 0.41% Cu & 0.36% Ni from 159m; and

  • 1 metre @ 3.21g/t 3E (2.66g/t Pd, 0.41g/t Pt, 0.14g/t Au), 0.48% Cu & 0.46% Ni from 176m.

Importantly for the MTJV, Galileo’s recent discovery at Callisto is only 200 metres from the northern tenement boundary held by the MTJV with the extension of the prospective mineralised horizon onto MTJV tenure supported by geophysics & lithology (CNJ, ASX Announcement, 16 May 2022). Despite extensive shallow drilling over the Mt Thirsty resource area (JORC Inferred and Indicated Resources of 26.9Mt at 0.126% cobalt, and 0.54% nickel, see Appendix 4), the prospective eastern margin remains largely untested (Figure 2) with only 3.5% of all holes drilled at Mt Thirsty penetrating deeper than 100 metres, also noting Galileo’s discovery hole was from 144 metres downhole. As such, an initial review indicates that a further 2.0km of the prospective mineralised horizon may extend onto the MTJV tenure.

4 Platreef Integrated Development Plan 2020. Ivanhoe Mines Ltd. 5 ASX:GAL 12/05/2022

6 3E = Palladium (Pd) + Platinum (Pt) + Gold (Au) in g/t

6 Conico Ltd ASX: CNJ F:BDD

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Figure 2: Plan view of Phase I collars and prospective geological horizon.

In addition to the untested PGE potential, the MTJV continues to undertake a detailed geological review assessing the western margin of the Mt Thirsty licences for lithium-caesiumtantalum (LCT) potential, with historical drilling and mapping previously documenting pegmatites within the MTJV licence area. Importantly, 150 metres to the west of licences held by the MTJV is the Mt Thirsty pegmatite where Galileo previously reported a series of steeply dipping, north-south trending pegmatites. Six grab samples of micaceous (lepidolite) pegmatite were sampled by Galileo returning an average assay grade of 2.3% Li2O, 1.87% Rb and 476 ppm Ta205[7] .

7 www.galileomining.com.au/wp-content/uploads/2018/05/GAL-Prospectus.pdf

7 Conico Ltd ASX: CNJ F:BDD

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Cautionary Statement: Identification of sulphides, and reporting of visual results is not considered a proxy or substitute for laboratory analyses. The samples will be despatched for laboratory analysis as soon as possible and results reported upon receipt in accordance with the Company’s continuous disclosure policy.

This announcement is authorised by the Board of Directors.

- END -

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Guy T. Le Page

Executive Director

Conico Limited

M: +61-412-220-159

8 Conico Ltd ASX: CNJ F:BDD

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ABOUT MT THIRSTY

The Mt Thirsty Joint Venture (MTJV) is located 16 kilometres North-Northwest of Norseman, Western Australia (50% Greenstone Resources, 50% Conico Limited).

The Project contains the Mt Thirsty cobalt-nickel oxide deposit with a JORC Resource of 26.9Mt at 0.126% cobalt, and 0.54% nickel[8] . A Pre-Feasibility Study (PFS) of the Project was completed and announced to the ASX on 20 February 2020. In addition to the Co-Ni oxide deposit, the Project also hosts nickel sulphide mineralisation potential.

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Figure 3: Location of Mt Thirsty project.

8 ASX:CNJ 09/09/2019

9 Conico Ltd ASX: CNJ F:BDD

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APPENDIX 1: SUMMARY LOGS - DRILL HOLE SULPHIDE MINERALISATION

Hole ID From
(m)
To
(m)
Length
(m)
Lithology Mineralisation style
MTRC003 149.7 178.4 28.7 Pyroxenite Weakly disseminated (Po) 0.1%
178.4 268.6 90.2 Pyroxenite Disseminated (Po)1.5%
268.6 305.7 37.1 BlackShale/Chert Heavily disseminated (Po, Cp,Pn) 7.7%
305.7 321.2 15.5 Peridotite Weakly disseminated (Po,Pn) 0.3%
MTRC007 149.8 227.0 77.2 Peridotite Weakly disseminated (Po) 0.2%
227.0 233.0 6.0 BlackShale Heavily disseminated (Po,Pn)10.0%
233.0 246.0 13.0 Peridotite Heavily disseminated (Po, Cp,Pn) 5.7%
246.0 261.0 15.0 Peridotite Disseminated (Po, Cp)1.8%
261.0 303.8 42.8 Komatiite Disseminated (Po)1.3%
MTRC009 217.0 227.0 10.0 Pyroxenite Weakly disseminated (Po)1.0%
227.0 232.0 5.0 Pyroxenite Disseminated (Po) 3.0%
232.0 239.0 7.0 Pyroxenite Heavily disseminated (Po, Cp,Pn) 7.5%
239.0 261.3 22.3 Pyroxenite Disseminated (Po, Cp) 5.0%
261.3 266.3 5.0 BlackShale/Chert Heavily disseminated (Po, Cp,Pn)10.0%
266.3 278.6 12.3 Pyroxenite Disseminated (Po) 3.0%
MTRC014 149.8 208.0 58.2 Pyroxenite Weakly disseminated (Po, Cp) 0.6%
208.0 220.1 12.1 BlackShale Heavily disseminated/Blebby (Po, Cp,Pn) 7.0%
220.1 223.3 3.2 BlackShale/Chert HeavilyDisseminated (Po,Pn) 5.0%
223.3 256.5 33.2 Pyroxenite Disseminated (Po)2.0%
256.4 256.5 0.1 BlackShale Semi-Massive (Po, Cp,Pn) 75.0%
256.5 259.1 2.6 Chert Disseminated (Po)4.0%
259.1 279.7 20.6 Komatiite Weakly disseminated (Po) 0.2%

Po = Pyrrhotite Cp = Chalcopyrite Pn = Pentlandite Py = Pyrite; Geochemical assay suite required to determine precise rock classifications; Sulphides & metal contents are not directly correlated; Assays are required to determine metal content (e.g., Pd, Pt, Au, Cu, Ni, Rh).

APPENDIX 2: FIELD GUIDE FOR THE LOGGING OF SULPHIDE MODE, TYPE, AND PERCENTAGE

Sulphide Mode Precent Range (visually estimated)
Weakly disseminated < 1%
Disseminated 1 -5 %
Heavily disseminated 5- 20 %
Matrix 20- 40 %
Net textured 20- 40 %
Semi-massive > 40to<80 %
Massive > 80%

*Sulphide estimates undertaken by visual observation with assays results still pending

APPENDIX 3: COLLAR LOCATION AND DETAILS

Hole ID Northing Easting Elevation Depth Dip Azi Comments
MTJV001 6447627 372502 404 450.0m -70 270 Diamond
MTRC003D 6447729 372681 407 321.2m -70 270 RCPre-Collar/DD Tail
MTRC007D 6447713 372506 403 303.6m -70 270 RCPre-Collar/DD Tail
MTRC009D 6447513 372464 412 318.6 -70 270 RCPre-Collar/DD Tail
MTRC014D 6447712 372305 408 279.7m -70 270 RCPre-Collar/DD Tail

*Easting and Northing coordinates are GDA94 Zone 51.

10 Conico Ltd ASX: CNJ F:BDD

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APPENDIX 4: RESOURCES & RESERVES

Mt Thirsty Joint Venture Mineral Resources (50%)

Mineral Cut-off Wet Tonnes
Moisture
Dry Tonnes
Co
Ni Mn Fe
Resource (Co%) (Mt) (% wet t) (Mt) (%) (%) (%) (%)
Mt Thirsty
Indicated
0.06 31.20 27% 22.8 0.121 0.53 0.79 21.30
Mt Thirsty
Main 0.06 3.50 27% 2.5 0.103 0.45 0.66 19.10
Inferred
Mt Thirsty
Main Sub 0.06 34.70 27% 25.4 0.119 0.52 0.77 21.10
Total
Mt Thirsty
North 0.06 2.00 27% 1.5 0.092 0.55 0.48 19.40
Inferred
Total 0.06 36.70 27% 26.9 0.117 0.52 0.76 20.90

Refer to ASX Announcement 9/9/2019 for full details of the Mineral Resource Estimate.

Mt Thirsty Joint Venture Ore Reserve (50%)

Cut-off Wet Tonnes Moisture Dry Tonnes Co Ni Mn Fe
Mineral Resource
(Co%) (Mt) (% wet t) (Mt) (%) (%) (%) (%)
Mt Thirsty
Probable
Approx. 0.07%
Co (Variable)
25.90 27% 18.8 0.126 0.54 0.80 21.60

Refer to ASX Announcement 20/2/2020 for full details of the Ore Reserve Estimate.

Competent Persons for the Mt Thirsty Cobalt Nickel Project

Project and Discipline JORC Section Competent
Person
Employer Professional
Membership
Mt Thirsty Geology Exploration Results Glenn Poole Greenstone Resources MAusIMM
Mt Thirsty Resource
Estimation
Mineral Resources David Reid Golder Associates Pty Ltd MAusIMM
Mt Thirsty Metallurgy Exploration Results and Ore
Reserves
Peter Nofal AMEC Foster Wheeler Pty Ltd
trading as Wood
FAusIMM
Mt Thirsty Mining Ore Reserves Frank
Blanchfield
Snowden Mining Industry
Consultants Pty Ltd
FAusIMM

The information in this report which relates to Exploration Results and geological interpretation at Mt Thirsty is based on information compiled by Mr Glenn Poole an employee of Greenstone Resources Limited who is a Member of the Australasian Institute of Mining and Metallurgy. Mr Poole consents to the inclusion in the report of the matters based on their information in the form and context in which it appears.

The information in this report which relates to Mineral Resources is based on information provided to and compiled by Mr David Reid, a Competent Person who is a full-time employee of Golder Associates Pty Ltd, and a Member of the Australasian Institute of Mining and Metallurgy. Mr Reid has sufficient relevant experience to the style of mineralisation and type of deposits under consideration and to the activity for which he is undertaking to qualify as a Competent Person as defined in the JORC Code (2012 Edition). Mr Reid consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The company is not aware of any new information or data that materially affects the information presented and that the material assumptions and technical parameters underpinning the estimates continue to apply and have not materially changed. The company confirms that the form and context in which the Competent Persons’ findings are presented have not been materially modified from the original market announcements.

11 Conico Ltd ASX: CNJ F:BDD

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Disclaimer

The interpretations and conclusions reached in this report are based on current geological theory and the best evidence available to the authors at the time of writing. It is the nature of all scientific conclusions that they are founded on an assessment of probabilities and, however high these probabilities might be, they make no claim for complete certainty. Any economic decisions that might be taken based on interpretations or conclusions contained in this report will therefore carry an element of risk. This report contains forward-looking statements that involve several risks and uncertainties. These forward-looking statements are expressed in good faith and believed to have a reasonable basis. These statements reflect current expectations, intentions or strategies regarding the future and assumptions based on currently available information. Should one or more of the risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may vary from the expectations, intentions and strategies described in this report. No obligation is assumed to update forwardlooking statements if these beliefs, opinions, and estimates should change or to reflect other future developments.

REFERENCES TO PREVIOUS ANNOUNCEMENTS

In relation to the details of the PFS announced on 20/02/2020, Greenstone confirms that all material assumptions underpinning the production target and forecast financial information from the production target, as reported on 20/02/2020, continue to apply and have not materially changed. A proportion of the production target uses inferred mineral resources. There is a low level of confidence associated with inferred mineral resources and there is no certainty that further exploration will result in the determination of indicated mineral resources or that the production target itself will be realised.

The mineral resource estimates in this announcement were reported by the Company in accordance with ASX Listing Rule 5.8 on 9/9/2019. The Company confirms it is not aware of any new information or data that materially affects the information included in the previous announcement and that all material assumptions and technical parameters underpinning the estimates in the previous announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcement.

The ore reserve estimate in this announcement was reported by the Company in accordance with ASX Listing Rule 5.9 on 20/20/2020. The Company confirms it is not aware of any new information or data that materially affects the information included in the previous announcement and that all material assumptions and technical parameters underpinning the estimate in the previous announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcement.

12 Conico Ltd ASX: CNJ F:BDD

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THE FOLLOWING TABLES ARE PROVIDED TO ENSURE COMPLIANCE WITH THE JORC CODE (2012 EDITION) FOR THE REPORTING OF EXPLORATION RESULTS.

MT THIRSTY PROJECT

SECTION 1 – SAMPLING TECHNIQUES AND DATA

(Criteria in this section apply to all succeeding sections.)

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
down
hole
gamma
sondes,
or
handheld XRF instruments, etc). These
examples should not be taken as
limiting the broad meaning of sampling.

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 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.

Sampling
was
conducted
using
Diamond Core (DD) drilling rig.

For DD drilling, samples were collected
as
half-core
(NQ2)
at
geological
intervals defined and mineralisation
boundaries
and
is
considered
appropriate
for
this
style
of
mineralisation.

Diamond drilling was used to obtain
half-core samples of various lengths
(minimum 0.2m), from which 1-3kg of
material is collected for assaying.

QAQC Standards and Blanks were
collected/inserted
at
a
rate
of
approximately
1
in
every
20m
(maximum)
through
pre-determined
mineralised zones.

Samples were sent to an independent
commercial laboratory where samples
are oven dried, crushed, pulverised and
split to produce a 50g charge for fire
assay.

Sampling and QAQC procedures are
carried out using Greenstone protocols
as per industry best practice.
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).

DD drilling was HQ2 to approximately
150m, remained of holes was drilled
HQ2. Core was oriented every 3m where
possible using an electronic orientation
tool.
Drill
sample
recovery

Method of recording and assessing
core and chip sample recoveries and
results assessed.

Measures taken to maximise sample
recovery and ensure representative
nature of the samples.

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.

Core recovery was estimated using the
drillers recorded depth marks against
the length of the core recovered,
this is verified
and
confirmed
by Greenstone staff.

No
sample
recovery
issues
have
impacted on potential sample bias.
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.

Whether
logging
is
qualitative
or
quantitative
in
nature.
Core
(or
costean, channel, etc) photography.

All drillholes are logged in full.

All drilled intervals are logged and
recorded.

Data
was
recorded
for
regolith,
lithology, veining, fabric (structure),
grain size, colour, sulphide presence,
alteration, oxidation
state,
fractures,
and RQD.

Logging
is
both
qualitative
and

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Criteria **JORC Code explanation ** Commentary

The total length and percentage of the
relevant intersections logged.
quantitative in nature depending on the
field being logged.

Logging
of
diamond
core
was
qualitative and diamond core was
photographed.

Diamond
core
is
stored
at
the
Company’s core yard on-site.

Greenstone considers the data to be of
an appropriate level of detail to support
aresource estimation.
Sub-sampling
techniques and
sample
preparation

If core, whether cut or sawn and
whether quarter, half or all core taken.

If
non-core,
whether
riffled,
tube
sampled, rotary split, etc and whether
sampled wet or dry.

For all sample types, the nature, quality
and appropriateness of the sample
preparation technique.

Quality control procedures adopted for
all sub-sampling stages to maximise
representivity of samples.

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.

Whether sample sizes are appropriate
to the grain size of the material being
sampled.

Diamond core is cut in half along the
orientation line. The right side of the
core is collected for analysis.

Sample preparation was conducted at
ALS Global laboratories using a fully
automated sample preparation system.
Preparation commences with sorting
and drying. Oversized samples are
crushed to <3mm and split down to 0.5-
3kg using a riffle splitter. Samples are
then pulverized and homogenized in
LM5 Ring Mills and ground to ensure 85%
passes <75µm.

The
sample
size
is
considered
appropriate for this type and style of
mineralisation.
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.

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.

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.

Homogenised and pulverised samples
are mixed with flux composed of PbO
and SiO2 with variable amounts of
borax, soda ash and other reagents. The
flux and sample are mixed, then heated
at high temperature (>1,000°C) to
decompose rock lattices and allow
precious metals within the sample to be
collected into a lead button. The button
is placed in a porous cupel and heated
again in an oxidising environment to
convert lead to lead oxide that is
absorbed into the cupel, leaving the
precious metals behind as a doré bead
or
prill.
The
gold,
platinum
and
palladium content of the prill is then
determined
through
Inductively
Coupled Plasma Mass Spectrometry
(ICP-MS). The detection level for the Fire
Assay/AAS technique is 0.001ppm for
Palladium (Pd) and Gold (Au) , 0.0005
for Platinum (Pt).

Rhodium (Rh) analysis is carried out in a
similar
manner
to
PGM
by
lead
collection fire assay, with the additional
step of gold inquarting during the fusion
process
and
modified
cupellation.
Analysis is carried out using ICP-MS
instrumentation.

A four-acid digestion method which
utilises
a
combination
of
nitric,

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Criteria **JORC Code explanation ** Commentary
perchloric, and hydrofluoric acid with a
final dissolution stage using hydrochloric
acid with a 48 element suite including
Ag, Al, As, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr,
Cs, Cu, Fe, Ga, Ge, Hf, In, K, La, Li, Mg,
Mn, Mo, Na, Nb, Ni, P, Pb, Rb, Re, S, Sb,
Sc, Se, Sn, Sr, Ta, Te, Th, Ti, Tl, U, V, W, Y,
Zn, Zr with ICP-MS finish.

Laboratory QA/QC controls during the
analysis process include duplicates for
reproducibility,
blank
samples
for
contamination and standards for bias.

The laboratories used have generally
demonstrated analytical accuracy at
an
acceptable
level
within
95%
confidence limits.
Verification
of
sampling
and
assaying

The
verification
of
significant
intersections by either independent or
alternative company personnel.

The use of twinned holes.

Documentation of primary data, data
entry procedures, data verification,
data storage (physical and electronic)
protocols.

Discuss any adjustment to assay data.

All drilling and significant intersections
are verified and signed off by the
Exploration Manager for Greenstone
Resources who is also a Competent
Person.

No pre-determined twin holes were
drilled during this program.

Geological
logging
was
originally
captured
on
formatted
excel
templates, then sent to the company’s
consultant
database
administrator
(SampleData)
utilising
Datashed
software for uploading into a database
via a validation process. Sampling,
collar, and laboratory assay data is
captured electronically and also sent to
SampleData. The official database is
stored and backed up by SampleData,
a copy of which is sent to Greenstone for
geologists
use.
Uploaded
data
is
reviewed and verified by the geologist
responsible for the data collection.

No adjustments or calibrations were
made to anyassaydata reported.
Location of data
points

Accuracy and quality of surveys used to
locate drill holes (collar and down-hole
surveys), trenches, mine workings and
other
locations
used
in
Mineral
Resource estimation.

Specification of the grid system used.

Quality and adequacy of topographic
control.

Drill hole collar locations are pegged
out by supervising geologists using
handheld GPS, accurate to +/-3m. This
has been considered as sufficiently
accurate for the purposes of drillhole
accuracy.

The drilling rig was sighted using a
compass. Drill hole angle was set using
an inclinometer placed on the drill mast
prior to collaring the hole.

Down-hole surveying was completed at
nominal intervals using a Single-shot
reflex
tool,
providing
sufficiently
accurate down hole accuracy
Data
spacing
and distribution

Data
spacing
for
reporting
of
Exploration Results.

Whether
the
data
spacing,
and

Drillholes were located on 100m (N/S) or
200m (E/W)
spaced
traverses along
strike fromprevious drillholes.

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Criteria **JORC Code explanation ** Commentary
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.

Whether sample compositing has been
applied.

No sample compositing has been
applied to mineralised intervals.
Orientation
of
data in relation
to
geological
structure

Whether the orientation of sampling
achieves unbiased sampling of possible
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.

Drilling was designed perpendicular to
the strike of the main mineralised
structures targeted for this program. All
reported intervals are however reported
as downhole intervals only.

No drilling orientation and/or sampling
bias have been recognized in the data
at this time.
Sample security
The measures taken to ensure sample
security.

The chain of custody of digital data is
managed by the Company. Physical
material was stored on site and, when
necessary,
delivered
to
the
assay
laboratory.
Thereafter
laboratory
sample chain of custody has been
maintained by ALS Global’s Kalgoorlie
Laboratory for transport to analysis
laboratoryin Perth
Audits or reviews
The results of any audits or reviews of
sampling techniques and data.

No
audits
or
reviews have
been
conducted on sampling techniques
and data at this stage.

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SECTION 2 – REPORTING OF EXPLORATION RESULTS

(Criteria in this section apply to all succeeding sections.)

Criteria Criteria JORC Code explanation JORC Code explanation JORC Code explanation JORC Code explanation JORC Code explanation Commentary
Mineral
tenement
land
status

and
tenure
Type,
reference
name/number,
location and ownership including
agreements or material issues with
third parties such as joint ventures,
partnerships,
overriding
royalties,
The exploration results relate to the
Mt
Thirsty
Project,
located
approximately 16km northwest of
Norseman, Western Australia. The
tenements are owned 50:50 (Mt
native title interests, historical sites, Thirsty Joint Venture, MTJV) by
wilderness
or
national park and Conico
Ltd
(CNJ)
(through
its
environmental settings. subsidiary Meteore Metals Pty Ltd)
The security of the tenure held at the and
Greenstone
Resources
Ltd
time of reporting along with any (GSR).
The
project
includes
known impediments to obtaining a Retention Licence R63/4, Exploration
licence to operate in the area. Licences E63/1267, and E63/1790
and Prospecting Licence P63/2045.
Mining Lease applications have
been
lodged
over
R63/4
and
E63/1267 and a General-Purpose
Lease application over E63/1790
and P63/2045. The mineral resource
referred to in this announcement is
located on R63/4.
A 1.75% NSR royalty is payable to a
third party on any production from
R63/4. The tenements lie within the
Ngadju
native
title
claim
(WC99/002),
and
agreements
between the claimants and the
tenement holders are designed to
protect Aboriginal heritage sites and
facilitate access. There are no
historical
or
wilderness
sites
or
national
parks
or
known
environmental settings that affect
the Mt Thirsty Project although the
project area is located within the
Great Western Woodlands.
The tenements are ingood standing.
Exploration done
by other parties
Acknowledgment and appraisal of
exploration by other parties.
The Mt Thirsty area was explored for
nickel sulphide mineralisation in the
late sixties and early seventies by
Anaconda, Union Miniere, CRA,
WMC/CNGC and others. Although
no significant sulphide discoveries
were
made
during
that
time,
limonitic nickel/cobalt mineralisation
was encountered but not followed
up. In the 1990’s Resolute-Samantha
discovered
high
grade
cobalt
mineralisation in the oxidised profile
above an orthocumulate peridotite.
In the late 2000’s Norseman Mining
began exploring the surrounding
tenure for the PGE enrichment
Potential withing the layered mafic
sequence.
Subsequently
announced
the
discovery
of
significant PGE enrichment less than
200m north of the R63/4 tenement
boundary in 2022. The target relating
to the that discovery is the subject of
this announcement.
Geology Deposit type, geological setting
style of mineralisation.
and The Mt Thirsty project is located over
sedimentary,mafic and ultramafic

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Criteria JORC Code explanation Commentary
(peridotite) sequence located at
the southern end of the Archaean
Norseman - Wiluna greenstone belt.

GSWA has this area mapped as part
of the Mt Kirk sequence, with the
target
nickel-copper-PGE
mineralisation related to layered
intrusions
and
komatiite
nickel
sulphide
mineralisation
mineralisation related to layered
intrusions
and
komatiite
nickel
sulphide mineralisation
Drill
Information
hole A summary of all information material
to
the
understanding
of
the
exploration
results
including
a
• Drill hole information for the drilling
discussed in this report is listed in Table 1
and Table 2 in the context of this report.
tabulation of the following information • All material data has been periodically
for all Material drill holes: released to the ASX
o easting and northing of the drill
hole collar
o elevation or RL (Reduced Level –
elevation
above
sea
level
in
metres) of the drill hole collar
o dip and azimuth of the hole
o down hole length and interception
depth
o 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.
Data
aggregation
methods
In
reporting
Exploration
Results,
weighting
averaging
techniques,
maximum and/or minimum grade
truncations (e.g., cutting of high
• Reported intersections have been length
weighted to provide the intersection
width.
• Significant Intersections (Table 1) have
grades) and cut-off grades are usually been
reported
where
the
overall
Material and should be stated. intersection of PGE 3E (Pt, Pd, Rh) + Au is
Where
aggregate
intercepts
greater than 0.5g/t combined, rounded to
incorporate short lengths of high- 2 decimal places.
grade results and longer lengths of • For significant intersections, a maximum of
low-grade results, the procedure used 1m of internal waste have been included
for such aggregation should be stated in the calculation of intersection widths.
and some typical examples of such • No assays have been top-cut for the
aggregations should be shown in purpose of this report. A lower cut-off of
detail. 0.5g/t 3E has been used to identify
The assumptions used for any reporting significant results.
of metal equivalent values should be • In the reporting of Cu, Co and Ni values,
clearly stated. these
have
been
converted
into
percentage values, rounded to 2 decimal
places
• All significant intersections have been
reported.
• No metal equivalent values have been
used for the reporting of these exploration
results.
Relationship
between
mineralisation
widths
and
intercept lengths

These relationships are particularly
important
in
the
reporting
of
Exploration Results.
If the geometry of the mineralisation
with respect to the drill hole angle is
known, its nature should be reported.
• True widths, if/where reported, have been
estimated manually on a hole-by-hole
basis
for
intersections
within
known
mineralised zones and based on the
current knowledge of the mineralised
structure.
If it is not known and only the down • Both downhole width and estimated true
hole lengths are reported, there should width have been clearlyspecified in this

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Criteria JORC Code explanation Commentary
be a clear statement to this effect report when used.
(e.g., ‘down hole length, true width • Due to the limited and isolated orientation
not known’). data, accurate reporting of strike and/or
orientation is not possible at the time of
reporting.
Diagrams Appropriate maps and sections (with
scales) and tabulations of intercepts
• Appropriate plans and sections have been
included in the body of this report.
should be included for any significant
discovery
being
reported.
These
should include, but not be limited to a
plan view of drill hole collar locations
and appropriate sectional views.
Balanced
reporting
Where comprehensive reporting of all
Exploration Results is not practicable,
representative reporting of both low
• All results material and relevant to the
subject of this announcement has been
presented.
and high grades and/or widths should
be practiced to avoid misleading
reporting of Exploration Results.
Other
substantive
exploration data

Other exploration data, if meaningful
and material, should be reported
including
(but
not
limited
to):
geological observations; geophysical
• A detailed 40m line spaced aeromagnetic
data has been used for interpretation of
underlying geology. Data was collected
by UTS Geophysics for Mt Thirsty Joint
survey results; geochemical survey Venture in 2008. Line direction 090 with a
results; bulk samples – size and method platform height of 30m for a total of 3211
of treatment; metallurgical test results; line-km.
bulk
density,
groundwater,
geotechnical
and
rock
characteristics; potential deleterious
or contaminating substances.
Further work The nature and scale of planned
further work (e.g., tests for lateral
• Further work has been discussed in the
context of phased drilling campaigns,
extensions or depth extensions or based on the outcome of active drilling
large-scale step-out drilling). campaigns.
Diagrams
clearly
highlighting
the
areas of possible extensions, including
the main geological interpretations
and future drilling areas, provided this
information
is
not
commercially
sensitive.

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