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KINGSROSE MINING LIMITED Capital/Financing Update 2021

Aug 9, 2021

65202_rns_2021-08-09_e26f0986-f804-4884-bdf2-a33e1ba11b10.pdf

Capital/Financing Update

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ASX Announcement 10 August 2021

KINGSROSE MINING REPORTS UPDATE OF TALANG SANTO MINERAL RESOURCE ESTIMATE

Highlights:

  • Updated Mineral Resource estimate of 1.4 million tonnes at 5.4 g/t gold and 18 g/t silver for 240,000 ounces of gold and 790,000 ounces of silver calculated at a 2.0 g/t gold cut-off in combined Indicated and Inferred categories

  • A 70 per cent increase in contained gold ounces and 120 per cent increase in contained silver ounces in the Inferred category compared to the previous estimate announced September 2020

  • Includes a higher-grade portion of 0.68 million tonnes at 7.7 g/t gold and 26 g/t silver for 170,000 ounces of gold and 570,000 ounces of silver at a 4.0 g/t gold cut-off in combined Indicated and Inferred categories

Kingsrose Mining Limited (ASX: KRM) (“ Kingsrose ” or the “ Company ”) is pleased to announce an updated Mineral Resource estimate for the Talang Santo gold deposit, situated within the Company’s 85 per cent owned Way Linggo project in Sumatra, Indonesia (Table 1 and Figures 1 and 2). This estimate is reported in accordance with the JORC Code (2012 ed.) with an effective date of 30 June 2021. The updated estimate incorporates the results of ten additional diamond drillholes, for a total of 5,121 metres, targeting the down plunge extension of the Talang Santo deposit (refer ASX releases dated 21 January 2021, 2 March 2021 and 10 May 2021). High-grade gold-silver mineralisation remains open at depth, down plunge.

TABLE 1: Talang Santo Mineral Resource above a 2.0 g/t gold cut-off grade – As at 30 June 2021

Resource
Category
Tonnes
(kt)
Gold Grade
(Au g/t)
Contained Gold
(koz)
Silver Grade
(Ag g/t)
Contained Silver
(koz)
Measured - - - - -
Indicated 240 6.0 47 13 100
Inferred 1100 5.3 190 19 690
Total 1400 5.4 240 18 790

Note: Data is reported to two significant figures to reflect the precision of the estimates. This may result in some apparent discrepancies in totals.

Fabian Baker, Managing Director of Kingsrose, commented: “We are very pleased to have demonstrated continued expansion of the Talang Santo Mineral Resource. It is particularly encouraging to see the development of a coherent higher-grade zone below areas of past production that remains open at depth. Fieldwork is ongoing with our exploration team mapping and trenching new veins and finding extensions to known veins, to define drill targets and make further discoveries on the Way Linggo project.”

The Talang Santo deposit is a low-sulphidation epithermal gold-silver system, with the majority of Mineral Resources hosted in a vein and breccia zone that has been traced over 1.4 kilometres strike and up to 450 metres depth. Additional resources are hosted in intersecting mineralised splay veins. Gold and silver production at Talang Santo was active between 2014 and 2020 from both open-pit and underground mines. Mining operations have been placed

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

on care and maintenance while further exploration is conducted. The Talang Santo deposit is one of numerous goldsilver mineralised vein systems currently being explored by the Company on its 100 km[2] Way Linggo project.

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FIGURE 1: Map showing the location of the Talang Santo deposit within the Way Linggo Contract of Work, Sumatra, Indonesia.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

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FIGURE 2: Long section of the Talang Santo Main Zone (looking to northeast) showing drilling intersections coloured by gold g/t*metres and Mineral Resource Classification areas.

MINERAL RESOURCE ESTIMATE

Geology and Geological Interpretation

The Talang Santo deposit is centred on an extensive epithermal quartz vein system, which has been interpreted over a strike of approximately 1.4 kilometres, with the best mineralisation being exhibited over 550 metres of this strike.

Conceptually, the main interpreted domain for estimation is an individual continuous structural zone, modelled over the entire strike length. Within this zone, there are multiple mineralisation styles including banded epithermal veining, breccia, stockwork, clay alteration and fault gouge. For practical purposes, these related mineralised styles within the same structural corridor have been combined for estimation as a single package.

Subordinate mineralised zones, ‘splays’ to the main structure, have also been modelled. These are a similar mineralisation style to the main zone but generally trend northwest intersecting the main zone at an angle of approximately 30 degrees.

DRILLING, SAMPLING, SUBSAMPLING AND SAMPLE ANALYSIS

The samples informing this Mineral Resource estimate are from diamond drill holes (drill core) and underground face sampling. Drilling diameters of PQ, HQ and NQ have been used. Face samples were taken from underground development headings using standard industry practice. These channel rock chips were manually hammer-chipped horizontally across the face. Sample intervals for drill core and face sampling were nominal one metre intervals, however for both drill core and face sampling in the mineralised zones sample length was modified according to

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

geological contacts. Diamond drill core was cut by diamond saw and half core used for sampling, the remaining half was archived. For gouge, soft and friable core a knife (or similar device) was used to approximately halve the core.

Preparation of the drill core and face samples for analysis was undertaken at the mine-site laboratory, under the management of PT Geoservices using industry standard sample preparation techniques (crushing, splitting, followed by fine grinding, subsampling) and preliminary analysis. Gold and silver concentrations in face/trench samples were determined by aqua regia digestion with an atomic absorption spectrometry finish. Sub-samples from drill core mineralised intervals were dispatched under secure courier to PT Geoservices laboratory in Jakarta for gold analysis by fire assay and atomic absorption spectrometry. Analysis for silver in drill core was by acid digestion of sample pulp followed by inductively coupled plasma optical emission spectrometry (ICPOES).

RESOURCE ESTIMATION

Modelling and estimation were undertaken utilising Surpac mining software. Mineralised intersections (drill core and face samples) were individually flagged within the database and used as full width composites for estimation. Estimation for gold and silver was performed utilising a 2-dimensional (2D) block model methodology. “Gold times estimated true width” and width were estimated for each block by ordinary kriging. Gold grade was subsequently estimated for each block by the relationship [Au = (Au*width)/width]. The 2D estimate was then reprojected into 3- dimensional (3D) space using mathematical functions. Silver was estimated by the same method. Several estimates, representing different mineralised zones, were then combined to form a 3D conventional block model of the deposit. The block model was corrected for mining depletion by historical underground and open pit mining.

CLASSIFICATION

The Mineral Resource estimate was then classified and is reported as at the date 30 June 2021 in accordance with The JORC Code 2012 Edition.

Inferred Mineral Resources are those for which there is limited geological evidence. Geological and grade continuity are implied. Confidence in the estimate is low. The estimate is not sufficiently confident for financial analysis. Inferred Mineral Resources were reported based on the face sample and drill spacings shown below:

  • Inferred: Old Mine Remnants, not main zone: Inferred Mineral Resource based on face sample data. This spacing, while variable, is approximately equivalent to 5 m by 5 m.

  • Inferred: All other Inferred Areas: Inferred Mineral Resource is based on drilling. This spacing, while variable, is approximately equivalent to 50m by 50m.

Indicated Mineral Resources are those for which there is adequately detailed and reliable geological evidence. Geological and grade continuity are assumed. Confidence in the estimate is medium. The estimate is of sufficient confidence for preliminary financial analysis. Indicated Mineral Resources were reported based on the face sample and drill spacings shown below:

  • Indicated: Old Mine Remnants Main Zone: Indicated Mineral Resource based on face sample data. This spacing, while variable, is approximately equivalent to 5 m by 5 m.

  • Indicated: Near Surface Well Drilled Main Zone: Indicated Mineral Resource is based on drilling. This spacing, while variable, is approximately equivalent to 25 m by 25 m.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

  • Indicated: Immediately Below Historical Mine Main Zone: Indicated Mineral Resource is based on drilling, however the Indicated Mineral Resource is also supported by face sampling immediately adjacent to the drilling. The drill spacing, while variable, is approximately equivalent to 35 m by 35 m.

Measured Mineral Resources were not reported in this public release.

Cut-off Grade

A cut-off grade of 2.0 g/t gold was used to report the Mineral Resource estimate as presented in Table 1, presumed to reflect the marginal cost of operation for a typical narrow vein underground operation.

As a sensitivity analysis, the Mineral Resource estimate was subset and re-reported at a higher cut-off grade of 4.0 g/t gold to assess the sensitivity of the Mineral Resource estimate to a higher cut-off grade. The results are presented in Table 2.

TABLE 2: Talang Santo Mineral Resource, subset above a 4.0 g/t gold cut-off grade

Resource
Category
Tonnes
(kt)
Gold Grade
(Au g/t)
Contained Gold
(koz)
Silver Grade
(Ag g/t)
Contained
Silver (koz)
Measured - - - - -
Indicated 130 8.7 37 18 77
Inferred 550 7.4 130 28 500
Total 680 7.7 170 26 570

Note: Data is reported to two significant figures to reflect the precision of the estimates. This may result in some apparent discrepancies in totals.

Mining and Processing

The Mineral Resource has been based on mining using conventional underground mining methods adopted for deposits of this style and size. There is a milling facility (currently on care and maintenance) based at the nearby Way Linggo mine site, and metallurgical performance of approximately 95 per cent gold recovery and approximately 90 percent silver recovery has been demonstrated. This is consistent with metallurgical recoveries achieved during the recently suspended mining and processing operations. This Mineral Resource estimate contains no further allowance for Modifying Factors.

-ENDS-

For more information please contact:

Fabian Baker Managing Director +61 8 9381 5588 [email protected]

This announcement has been authorised for release to the ASX by the Board.

For further information regarding the Company and its projects please visit www.kingsrosemining.com.au

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

Competent Persons Statement

The information in this report that relates to the Mineral Resource estimates is based on and fairly represents information compiled under the supervision of Mr Bill Rayson, who is a member of the Australasian Institute of Mining and Metallurgy (AusIMM). Mr Rayson is a consultant to the Company and is an employee of “Total Earth Science Pty Ltd as The Trustee for TES Trust”. Mr Rayson has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the “Australasian Code for Reporting Exploration Results, Mineral Resources and Ore Reserves.” Mr Rayson consents to the inclusion in this report of the matter based on his information in the form and context in which it appears.

APPENDIX 1

JORC CODE, 2012 EDITION – TABLE 1

Section 1 Sampling Techniques and Data

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

Criteria JORC Code explanation Commentary
Sampling
techniques
Drilling
techniques
Drill sample
recovery

Nature and quality of sampling (eg 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 (eg
‘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 (eg submarine nodules)
may
warrant
disclosure
of
detailed
information.

Drill type (eg core, reverse circulation, open-
hole hammer, rotary air blast, auger, Bangka,
sonic, etc) and details (eg 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).

This Table 1 relates to sampling by diamond drilling, face
sampling and trench sampling.
Face sampling and trench sampling are samples taken from
lines, treated geometrically as pseudo-drillholes (collar
position, orientation, intervals noted) using a geological
rock pick.
Sampling is according to geological intervals.

Diamond drill core, where used is aligned and measured by
tape, referenced to downhole core blocks. Sampling is
according to geological intervals.
Face sampling and trench sampling, where used is
measured by tape.

Diamond drilling, face sampling and trench sampling were
performed to industry standards. Samples were taken
acknowledging geological intervals and in such a way the
sample length is generally targeting one metre or smaller
intervals. Diamond core is split on site and half submitted
for crushing, pulverisation and ultimately analysis at
commercial assay laboratories. Face/trench samples are
submitted in entirety for crushing, pulverisation and
ultimately analysis at commercial assay laboratories. In
both diamond and face/trench sampling, initial weight is
variable due to core size and variable interval length
effects.

The samples informing this Mineral Resource estimate are
from a mixture of diamond drill holes (drill core) and

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

Criteria JORC Code explanation Commentary

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.
face/trench sampling. Drilling diameters (from NQ to PQ)
are known to have been used and these core sizes are
recorded in the database against individual intervals.
Similarly, a range of drilling configurations (Wireline Q-
Type variants) are known to have been used however the
recording of this information against individual drillholes is
not available. Face/trench sampling is taken from an in-situ
rock face into a sample bag using a standard geological
hammer according to typical industry practice.

Diamond drill recoveries are recorded as a percentage of
measured core against downhole drilled run length
intervals in industry standard way.
The Competent Person believes that this method of
assessing and recording recoveries does not provide ideal
information on localised core loss and discing/grinding in
mineralised zones. Selective review of core photos with
regard to this concern shows intervals of poor presentation
and discing within mineralised unit. The Mineral Resource
classification, capped at “Indicated”, addresses this
concern.

A relationship between core recoveries and grade has not
been established. However, it is postulated that core loss
occurred in some of the mineralised diamond drilling
intersections due to the friable nature of some material. It
is further postulated that this effect may cause some level
of under call of grade in the diamond core drilling.
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.

The total length and percentage of the relevant
intersections logged.

Core logging was conducted by PT. Natarang Mining
(“PTNM”)
geologists,
who
delineate
intervals
on
geological, structural, alteration and/or mineralogical
boundaries, to industry standard.

Logging is qualitative and most core is photographed. Rock
types, veining and alteration/sulphidation are all recorded.

All drill core is logged.
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.

Core is cut by diamond saw and half core used for sampling,
the remaining half is archived. For gouge, soft and friable
core a manual knife (or similar device) is used to
approximately halve the core.

Face chips are nominally chipped horizontally across the
face/trench, subset by geological features. Sample
collection is manual via a geological hammer. Samples
were collected damp with natural moisture.

The nature, quality and appropriateness of the sample
preparation technique is typical for mineralisation and
resource estimation of this type.

The Competent Person is not aware of any work taken to
maximise the representivity of the sample.

Duplicate samples are not routinely sampled.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

Criteria JORC Code explanation Commentary

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

The sample size far exceeds the grain size of the precious
metals, which are generally microscopic. Sample sizes are
appropriate.
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
(eg standards, blanks, duplicates, external
laboratory checks) and whether acceptable
levels of accuracy (ie lack of bias) and precision
have been established.

Gold concentration in diamond drilling samples is
determined by fire assay: fusion with lead collection, aqua
regia prill digestion, followed by atomic absorption
spectrometry (AAS). Analysis for silver in diamond drilling
is acid digestion of sample pulp followed by inductively
coupled plasma optical emission spectrometry (ICPOES).
Gold and silver concentrations in face/trench samples is
determined by aqua regia digestion with an AAS finish.
Analysis is considered total for fire assay and near total for
all other assay types of both silver and gold. Accordingly,
no treatment (i.e. factoring or similar) has been performed
to the raw assay to allow for incomplete digestion, if any.

Geophysical tools etc are not applicable to this report.
None Used.

Recent drilling shows acceptable QAQC - blanks and
standards have been routinely inserted into assay batches
and inter-lab checks have been performed. Note,
independent QAQC is not available for drilling before 2019
and the estimation has been classified with this in mind.
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.

Significant intersections were reviewed by senior
exploration geology and mining geology managers from
PTNM.

Twinned holes have not been used.

Talang Santo is best described as a working, manually
administered, database. It has evolved from a MS-Access
database with manual entry into a more automated
custom database for the 2019-2021 drilling. Hardcopy
data, and/or PDF equivalent, was available for review.

No adjustment is made to assay data.
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.

Drillhole collars are surveyed using industry standard
survey techniques and equipment. Drillholes have been
downhole surveyed with digital downhole camera at
average 50 metre intervals, however historically this could
get up to over 100 metres survey intervals, whereas 2019-
2021 drilling was generally at 25 metre intervals. The
downhole survey shows evidence of intermittent magnetic
interference. Mine workings locations are recorded to
industry
standard
accuracy
using
reliable
survey
instruments. Face samples are georeferenced by the
geologist using the assistance of known point survey
pickups and where necessary tape measure and bearing.

The Talang Santo deposit operates on a local grid utilising
total station methods and conventional baseline control.
This grid is nominally aligned to UTM WGS 84 -48S, with
unknown veracity.

The Talang Santo deposit is within and proximal to a
recently operating open cut mine. Topographical control is
provided by conventional modern survey techniques and is
adequate for purpose.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Criteria JORC Code explanation Commentary
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.

Whether sample compositing has been
applied.

Data spacing is variable. In the centre, previously mined
portions of the deposit have face sampling at an effective
density of circa 5 m x 5 m, in the plane of the structure. At
the periphery of the Mineral Resource estimate,
exploration spacing is circa 80 m x 60 m, in the plane of the
structure.

Data spacing and distribution is considered sufficient to
establish the degree of geological and grade continuity
appropriate for the Mineral Resource estimation and
classifications applied.

Sampling is based on geological intervals. Compositing is
not applied until estimation stage.
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.

The orientation of the vein system is known, and drilling
intercept angles are generally of suitable orientation to the
vein system to provide unbiased sampling results. Face and
trench samples, by their nature, tend to be perpendicular
to the strike of the sampled structure.

The drilling and sampling orientation are not considered to
introduce a sampling bias.
Sample
security

The measures taken to ensure sample security.

Samples retrieved from drilling are stored securely in a
locked facility patrolled by on-site security. Samples are
then logged, cut and stored in numbered sample bags for
transported by PTNM employees to the on-site assay
laboratory.
Audits or
reviews

The results of any audits or reviews of sampling
techniques and data.

PTNM has worked with various independent consultants to
design its drilling and sampling methodologies and
continually reviews and improves its processes and
procedures.

Section 2 Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

Criteria JORC Code explanation Commentary
Mineral
tenement and
land tenure
status

Type, reference name/number, location and
ownership including agreements or material
issues with third parties such as joint
ventures, partnerships, overriding royalties,
native
title
interests,
historical
sites,
wilderness
or
national
park
and
environmental settings.

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.

Tenure is occasioned via a fourth generation Contract of
Work (CoW) held by PTNM. PTNM is 85 per cent owned
by KRM with the remaining 15 per cent interest held by
an Indonesian national. The mine, mill and camp area
were established within a mixed agricultural and
protected forest setting. With the suspension of mining
operations the mill has been placed on care and
maintenance.
Standard
Indonesian
divestment
provisions exist against the COW. KRM is obliged to pay
royalties to various parties on its production, including
government royalties of 3.75 per cent and 3.25 per cent
of gold and silver bullion values respectively. The
corporate structure, divestment provisions and royalty

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

Criteria JORC Code explanation Commentary
obligation are described in detail in the company’s annual
report.

The COW is currently valid till 2034, with an option to
apply for two extension periods of ten years each, subject
to meeting certain requirements under the mining law.
The mine was recently operating. The mill was recently
operating. Community relations are cordial. There are no
known impediments to continued operation.
Exploration
done by other
parties

Acknowledgment
and
appraisal
of
exploration by other parties.

All exploration at the Talang Santo Project has been
completed by PTNM.
Geology
Deposit type, geological setting and style of
mineralisation.

Talang Santo lies in the trans Sumatran fault fore-arc to
intra-arc and is classified as low sulphidation epithermal
quartz vein gold and silver deposits.
Drill hole
Information

A summary of all information material to the
understanding of the exploration results
including a tabulation of the following
information for all Material drill holes:
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.

No new drillhole information is being presented in this
release
Data
aggregation
methods

In reporting Exploration Results, weighting
averaging techniques, maximum and/or
minimum grade truncations (eg cutting of
high grades) and cut-off grades are usually
Material and should be stated.

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.

The assumptions used for any reporting of
metal equivalent values should be clearly
stated.

No new drillhole information is being presented in this release
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.

No new drillhole information is being presented in this release.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
----- End of picture text -----

Criteria JORC Code explanation Commentary

If it is not known and only the down hole
lengths are reported, there should be a clear
statement to this effect (eg ‘down hole
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 drill hole collar
locations and appropriate sectional views.

No new drillhole information is being presented in this release.
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.

No new drillhole information is being presented in this release.
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.

No new drillhole information is being presented in this release.
Further work
The nature and scale of planned further work
(eg tests for lateral extensions or depth
extensions or large-scale step-out drilling).

Diagrams clearly highlighting the areas of
possible extensions, including the main
geological interpretations and future drilling
areas, provided this information is not
commercially sensitive.

No forward work plan has been identified.

Section 3 Estimation and Reporting of Mineral Resources

(Criteria listed in section 1, and where relevant in section 2, also apply to this section.)

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 estimation
purposes.

Data validation procedures used.

The database used for the estimation was provided by
PTNM from its master copy. The database is best
described as a working database, and validation errors
are reported and fixed as they are found. No formal
processes are in place to prevent transcription and/or
keying errors.

3D review of drillhole traces and grades against known
geology and review of primary data tables were
conducted to highlight any anomalies. The Competent

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Criteria JORC Code explanation Commentary
Person also ran a standard suite of automatic database
checks on drilling prior to estimation.
Geological
interpretation

Confidence in (or conversely, the uncertainty
of) the geological interpretation of the
mineral deposit.

Nature of the data used and of any
assumptions made.

The
effect,
if
any,
of
alternative
interpretations
on
Mineral
Resource
estimation.

The use of geology in guiding and controlling
Mineral Resource estimation.

The factors affecting continuity both of grade
and geology.

Due to the detailed exploration history, the broad
mineralised envelopes representing the main estimation
domains are reliably identified from hole to hole at
similar downhole positions. Exposure in both open cut
and underground mining operations has confirmed the
position and orientation of the main mineralised zones.
However, there is some uncertainty of the internal
configuration and continuity of individual mineralising
lenses, and short scale packages of un-mineralised wall
rock inclusions, within the broader mineralisation
envelopes and estimation domains.

For estimation purposes, geological and grade continuity
at a scale suitable for mining is assumed to exist however
is not conclusively confirmed. This is commensurate with
the JORC Code 2012 definition of Indicated Mineral
Resource.

Due to the detailed exploration history and two phases
of mining, no gross-scale alternative interpretations are
currently considered viable.

In all cases the local lithological and structural geology
(where available) has been used to inform the
interpretive process. All available information from
drilling and mapping has been considered during
interpretation.

The broad mineralised envelopes representing the
estimation domains are reliably identified from hole to
hole at similar downhole positions. However, there is
some uncertainty of the internal configuration and
continuity of individual mineralising lenses and short
scale packages of un-mineralised wall rock inclusions.
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 best understood portion of the deposit showing best
continuity and grade is a single modelled zone 550 m
along strike, extends to 450 m below surface, and is
around 5 m width. All Indicated Mineral Resource is from
this zone, and was the zone historically targeted by
underground mining and open cut mining. Subordinate
zones, typically of lesser continuity/grade/width, are also
modelled.
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 computer software
and parameters used.

The availability of check estimates, previous
estimates and/or mine production records

Modelling and estimation were undertaken primarily
utilising Surpac mining software. Drillhole mineralised
intersections (and face samples treated as drillhole
equivalents) are individually flagged within the database.
These intersections are then used to composite the full
width mineralised zone into a single pierce point per
drillhole for estimation. Estimation for gold and silver is
performed utilising a 2-dimensional (2D) methodology,
and ordinary kriging in 2D is used (gold and silver
estimates are performed using identical process, but for
clarity only gold estimate will be detailed, below).
Estimation is primarily focussed on directly estimating

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Criteria JORC Code explanation Commentary
and whether the Mineral Resource estimate
takes appropriate account of such data.

The assumptions made regarding recovery of
by-products.

Estimation of deleterious elements or other
non-grade variables of economic significance
(eg
sulphur
for
acid
mine
drainage
characterisation).

In the case of block model interpolation, the
block size in relation to the average sample
spacing and the search employed.

Any assumptions behind modelling of
selective mining units.

Any assumptions about correlation between
variables.

Description
of
how
the
geological
interpretation was used to control the
resource estimates.

Discussion of basis for using or not using
grade cutting or capping.

The process of validation, the checking
process used, the comparison of model data
to drill hole data, and use of reconciliation
data if available
the Au x Width pseudo-grade, with width also being
estimated, and Au being estimated by the inverse
relationship [Au = (Au x width)/width]. The 2D estimate
is then reprojected into 3-dimensional (3D) space using
mathematical functions. Several estimates, representing
different mineralised zones, are then combined to form
a 3D conventional block model of the deposit. The in-situ
estimate is then further coded by models of depletion,
both historical underground and recent open cut. The
model is then classified and reported at the date 30 June
2021.

Previous estimates, underground mining records (2012-
2017), and open cut mining records (2018-2020) exist;
and this estimate took suitable consideration of this
information.

Gold and silver coproducts are assumed recovered in
doré. No other by-products are considered.

No deleterious elements have been estimated.

The original estimate was performed in 2D, into 5 m x 5
m blocks. Average composite spacing for face sampling
informed areas is around 5m5m. Indicated drilling
informed areas have composite spacing from 20
20m-
35*35m. Inferred drilling informed areas have average
composite spacing around 50 m x 50 m. Estimation
required the search to find five composites, no maximum
search distance was specified

No assumptions have been made about the modelling of
a selective mining unit (SMU).

No assumptions have been made about the correlation
between variables.

The geological interpretation was used to catagorise the
deposit according to zonecode flagging. Then estimation
was performed in 2D according to zonecode composites.

Sorted assay values were inspected for consistency. No
top cut was applied.

The model was estimated in the previously mined areas,
and was reconciled against mill claim to validate the
model performance. Final models were coloured and
visualised against similarly coloured input data. Model
outcomes were compared to summarised composite
statistics.
Moisture
Whether the tonnages are estimated on a dry
basis or with natural moisture, and the
method of determination of the moisture
content.

Tonnages are estimated as dry tonnes. Samples are dried
prior to analysis, therefore represent effectively zero
moisture.
Cut-off
parameters

The basis of the adopted cut-off grade(s) or
quality parameters applied.

A cutoff grade of 2.0 g/t Au was used, presumed to be
reflective of the marginal cost of operation for a typical
narrow vein underground operation.
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

For the purpose of estimating a Mineral Resource it has
been assumed that the Mineral Resource is mineable
using conventional underground mining techniques.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Criteria JORC Code explanation Commentary
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.
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 processing plant was recently operating onsite. Current
processing
history
provides
confidence
in
the
amenability of Talang Santo Mineral Resource to
processing practices recently in use.
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 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.

This Mineral Resource forms the basis of the recently
operating Talang Santo mine. Processing of the mined
ore was recently undertaken at the Way Linggo
processing
facility
(currently
under
care-and-
maintenance). It is assumed that all operations will
continue to be allowed and permitted in line with current
onsite practices.
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 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.

Bulk densities of all mineralised domains have assumed
2.4. The basis of the assumption is a limited set of Archimedes
measurements ranging 2.5 - 2.67 (typical for quartz and
andesitic composition hosts), with a qualitative adjustment by
the Competent Person due to the fact that poor quality rock
tends not to be selected for measurement.

This density is assumed (not measured).

All materials reported have been assumed density of 2.4.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Criteria JORC Code explanation Commentary
Classification
The basis for the classification of the Mineral
Resources into varying confidence categories.

Whether appropriate account has been taken
of all relevant factors (ie relative confidence
in tonnage/grade estimations, reliability of
input data, confidence in continuity of
geology and metal values, quality, quantity
and distribution of the data).

Whether the result appropriately reflects the
Competent Person’s view of the deposit.

Resources are classified according to JORC Code 2012
guidelines. Inferred Mineral Resources are those for
which there is limited geological evidence. Geological
and grade continuity are implied. Confidence in the
estimate is low. The estimate is not sufficiently confident
for mine planning.
Indicated Mineral Resources are those for which there is
adequately detailed and reliable geological evidence.
Geological and grade continuity are assumed. Confidence
in the estimate is medium. The estimate is of sufficient
confidence for preliminary mine planning.
Confidence in the Mineral Resource estimate at Talang
Santo is not sufficient to achieve a Measured Resource
classification.

This approach considers all relevant factors.

This result reflects the Competent Person’s view of the
deposit.
Audits or reviews
The results of any audits or reviews of Mineral
Resource estimates.

This Mineral Resource estimate has not been audited.
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 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.

These statements of relative accuracy and
confidence of the estimate should be
compared with production data, where
available.

The Mineral Resource classification applied to the
deposit implies a confidence level and level of accuracy
in the estimates.

These levels of confidence and accuracy relate to the
global estimates of grade and tonnes for the deposit.

The model has been estimated within historical mining
envelopes, allowing model performance to be ‘backcast’
against mill claimed head grade. The results are
acceptable for the Mineral Resource classifications
applied.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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Section 4 Estimation and Reporting of Ore Reserves

(Criteria listed in section 1, and where relevant in sections 2 and 3, also apply to this section.)

Criteria JORC Code explanation Commentary
All N/A
No Ore Reserves are currently estimated at Talang Santo.
Section 4 is not applicable.

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8/150 Hay Street Subiaco WA 6008 | P (08) 9381 5588 | F (08) 9381 7755
[email protected] | www.kingsrosemining.com.au | ASX: KRM
ABN: 49 112 389 910
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