DUKETON MINING LIMITED — Capital/Financing Update 2021

Nov 30, 2021

1[st] December 2021

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ASX Announcement

Deep drillholes deliver more Nickel, Copper and PGE’s

HIGHLIGHTS - Rosie Project (100% DKM)

Results have been received for the two deep drill holes at Rosie.

DKDD0028 - 3.32m @ 3.54% Ni 0.38% Cu & 3.02g/t Pt & Pd (4.86% NiEq*) DKDD0029 - 9.00m @ 1.05% Ni 0.14% Cu & 0.8g/t Pt & Pd

Inc. 2.8m @ 2.3% Ni 0.29% Cu & 1.77g/t Pt & Pd (3.05% NiEq*)

• Both intersections are outside the current indicated resource

• DHEM in hole 28 indicates likely significant continuation of mineralisation below and to the east of the intersection of nickel, copper, and PGE’s

• Hole 29 was blocked and DHEM could not be completed.

• Holes submitted for remaining elements of PGE’s suite (Rhodium, Ruthenium, Iridium, Osmium). Typically, Rosie has around 0.5g/t in the remaining PGE’s in addition to the Platinum and Palladium results.

• DKM will update the market once final assays for remaining PGEs have been received.

• Once all assays have been received an updated mineral resource estimate (MRE), stope optimisation and cash flow model will be completed.

*The NiEq number is calculated using the same parameters as the latest MRE (see ASX announcement 4 March 2021). Assumptions for the nickel equivalent prices, recovery and calculation are detailed in the attached JORC Table 1. The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the estimates in the announcement continue to apply and have not materially changed.

Stuart Fogarty, Duketon Mining Managing Director said; “ These significant intersections below

the deeper parts of the mineral resource show the potential and pedigree of the Rosie resource. These intersections in addition to the accompanying geology and down hole EM indicate that there is significant potential for the resource to continue to grow with more drilling. The unique amount of PGE’s within this deposit is a significant value addition as we have

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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already proved that these are extractable into a concentrate with the nickel and copper or via a gravity circuit.

I look forward to the remaining PGE’s assays and the additions that these will add to the already impressive looking intersections.”

Duketon Mining Ltd ( ASX: DKM , “Duketon” or “the Company” ) is pleased to announce assay results have been received for the two remaining diamond holes drilled at the Rosie Nickel Deposit.

Table 1: Significant Intercept Table (Significant intercepts are 1m >4000 ppm Ni, maximum internal dilution of 2 metres, intersections are downhole widths.)

Hole ID	Depth From (m)	Depth To (m)	Intercept Width (m)	Ni %	Cu %	Pt + Pd (g/t)	Comments
DKDD0028	542	543	1	0.45	0.05	0.32	1m@0.45% Ni 0.05% Cu & 0.32g/t Pt & Pd
and	550.86	554.18	3.32	3.54	0.38	3.02	3.32m@ 3.54% Ni 0.38% Cu & 3.02g/t Pt & Pd
DKDD0029	529	538	9	1.05	0.14	0.8	9m@ 1.05% Ni 0.14% Cu & 0.8g/t Pt & Pd
inc.	533	535.8	2.8	2.3	0.29	1.77	2.8m@ 2.3% Ni 0.29% Cu & 1.77g/t Pt & Pd
and	538.8	541.8	3	0.43	0.09	0.32	3m@0.43% Ni 0.09% Cu & 0.32g/t Pt & Pd
and	548.2	550.57	2.37	0.4	0.09	0.29	2.37m@0.4% Ni 0.09% Cu & 0.29g/t Pt & Pd

Drill hole DKDD0028 has returned a strong interval of nickel and platinum-palladium mineralisation at the deepest point in the south-eastern area of the Rosie deposit (approximately 490m below the surface). Down hole electromagnetic (DHEM) surveying of this hole has indicated that there is likely significant continuation of mineralisation below and to the east of the hole (see ASX announcement 27 October 2021). The modelled plates show the most conductive mineralisation is seen to extend a significant distance from the drillhole, at least 100 metres below and to the east. The very long wavelength anomaly is not fully defined by the hole suggesting mineralisation could extend even further than this but cannot be modelled without deeper drilling.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Table 2: DKDD0028 – Assays, Lithology and Mineralisation

From (m)	To (m)	Interval (m)	Ni %	Cu %	Pt + Pd g/t	Style of Mineralisation
538	550.86	12.86	0.30	0.03	0.2	3% disseminated sulphides(po-pn) in ultramafic
550.86	552	1.14	2.19	0.19	2.2	20% heavily disseminated sulphides (po-pn) in ultramafic
552	552.73	0.73	7.12	0.80	4.6	60% semi massive sulphides(po-pn- cp) in ultramafic
552.73	552.98	0.25	8.22	0.84	8.4	90% massive sulphides (po-pn-cp)
552.98	553.19	0.21	2.22	0.59	3.0	25% blebby and stringer sulphides (po-pn-cp) in ultramafic
553.19	553.3	0.11	8.03	0.69	7.1	90% massive sulphides(po-pn)
553.3	553.72*	0.43	0.25	0.04	0.2	footwall basalt
553.72*	554.18	0.45	1.18	0.09	1.2	10% heavily disseminated sulphides (po-pn) in footwall basalt

Note: po = pyrrhotite, pn = pentlandite, cp = chalcopyrite and py = pyrite.

*** Interval previously reported as 553.76m (see ASX announcement 16 August 2021)**

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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8.22% Ni, 0.84% Cu &
8.4g/t Pt + Pd
7.12% Ni, 0.80% Cu &
4.6g/t Pt + Pd
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Figure 1: Semi-massive sulphides in drillhole DKDD0028.

Drill hole DKDD0029 has returned a wide interval of nickel mineralisation at the deepest southeastern point of the deposit. Along this south-eastern margin the mineralisation appears to be consistently wider that in other portions of the deposit with down hole widths exceeding 9m. Unfortunately, hole DKDD0029 was blocked and DHEM surveying could not be completed. The nickel mineralisation represents a typical deposit profile (disseminated – matrix – massive sulphides) with mineralisation (1.30% Ni) extending into the basalt footwall sequence approximately 10m below the contact.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Table 3: DKDD0029 – Assays, Lithology and Mineralisation

From (m)	To (m)	Interval (m)	Ni %	Cu %	Pt + Pd g/t	Style of Mineralisation
518	520	2	0.29	0.03	0.2	5% disseminated sulphides(po-pn-py) in ultramafic
520	529	9	0.28	0.03	0.2	1% disseminated sulphides(po-pn) in ultramafic
529	530	1	0.47	0.06	0.4	15% heavily disseminated sulphides(po-pn) in ultramafic
530	533	3	0.39	0.04	0.3	5% disseminated sulphides(po-pn-py) in ultramafic
533	534.75	1.75	1.49	0.18	0.6	25% heavily disseminated sulphides(po-pn-py) in ultramafic
534.75	535.2	0.45	5.58	0.76	6.0	75% massive sulphides(po-pn-cp) in ultramafic
535.2	535.8	0.6	2.20	0.26	1.9	25% heavily disseminated and stringer sulphides (po-pn) in ultramafic
535.8	540.1*	4.3	0.59	0.08	0.5	2% disseminated sulphides (po-pn)in ultramafic
540.1*	540.96	0.86	0.14	0.02	0.1	mafic schist
540.96	541.8	0.84	0.43	0.20	0.1	20% blebby sulphides (po-pn-cp)in footwall basalt
541.8	550.33	8.53	0.19	0.03	0.2	footwall basalt
550.33	550.57	0.24	1.30	0.05	0.3	40% semi-massive sulphides(po-pn-py) in footwall basalt

Note: po = pyrrhotite, pn = pentlandite, cp = chalcopyrite and py = pyrite.

*Interval previously reported as 540.35m (see ASX Announcement 26 August 2021)

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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1.49% Ni, 0.18% Cu &
0.6g/t Pt + Pd
5.58% Ni, 0.76% Cu
& 6.0g/t Pt + Pd
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Figure 2: The intersection of heavily disseminated and massive sulphide in DKDD0029.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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The significant intersections are currently being assayed for the full suite of platinum group elements (PGEs) and DKM will update the market with final assays once the remaining PGEs (Rhodium, Ruthenium, Iridium, Osmium) have been received. These drillholes have significantly increased the confidence of the continuity and grade of the mineralisation in the South-Eastern area of the Rosie resource.

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Figure 3: Long Section of Rosie

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Figure 4: Cross Section of DKDD0028.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Figure 5: Cross Section of DKDD0029

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Figure 6: Stope grade heat map with areas of drilling

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Figure 7: Plan of DKM Tenements showing Nickel Resources and Prospects

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Table 4: Drillhole collar details

Hole ID	Easting (MGA 94 Z51)	Northing (MGA 94 Z51)	Nominal RL (m)	Dip (°)	Azimuth (mag °)	Total Depth (m)
DKDD0028	402703	6943510	540	-60	0	579
DKDD0029	402799	6943491	540	-60	0	576

Authorised for release by: Stuart Fogarty

Duketon Mining Limited - Managing Director +61 8 6315 1490

Competent Person Statement:

The information in this report that relates to exploration results is based on information compiled by Ms Kirsty Culver, Member of the Australian Institute of Geoscientists (AIG) and an employee of Duketon Mining Limited. Ms Culver has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity that is being undertaken to qualify as a competent person as defined in the JORC Code 2012.Ms Culver consents to the inclusion in the report of the matters based on the information in the form and context in which it appears.

This announcement includes information extracted from the Company’s previous ASX announcements, which are available to view on the Company’s website (www.duketonmining.com.au) as follows:

22m of Sulphide Mineralisation Intersected below Rosie SthE - ASX announcement dated 26 August 2021

16m of Sulphide Mineralisation Intersected below Rosie South East – ASX announcement dated 16 August 2021

Quarterly Activities/Appendix 5B Cash Flow Report – ASX Announcement dated 27 October 2021.

Increase to Nickel Equivalent Grade for Rosie Resource – ASX announcement dated 4 March 2021.

Rosie Scoping Study – ASX announcement dated 28 April 2021.

In the case of the ASX announcement dated 4[th] March (referring to the Rosie Resource), the Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the estimates in the announcement continue to apply and have not materially changed.

In the case of the Rosie Scoping Study, the Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions underpinning the production target, or the financial information derived from the production target in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context that the Competent Person’s findings are represented have not been materially modified from the original market announcement.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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JORC Table 1

JORC Code, 2012 Edition – Table 1 report – Duketon Project

Section 1 Sampling Techniques and Data – Rosie Diamond Drilling

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

Criteria	JORC Code explanation	Commentary
Sampling	• Nature and quality of sampling (eg cut channels, random chips, or	•Diamond core was drilled triple tube HQ to competent rock and then
techniques	specific specialised industry standard measurement tools appropriate	NQ2 to end of hole.
	to the minerals under investigation, such as down hole gamma	•The sample interval is cut in half using a diamond core saw and half
	sondes, or handheld XRF instruments, etc). These examples should	core sampled for assay. Each sample provides between 2.0-3.0kg of
	not be taken as limiting the broad meaning of sampling.	material. The core is cut to the left of the orientation line, with the
	• Include reference to measures taken to ensure sample representivity	same half sampled to ensure sample is representative.
	and the appropriate calibration of any measurement tools or systems	•Diamond core is sampled to geological boundaries, no greater than
	used.	1m and no less than 20cm per sample.
	• Aspects of the determination of mineralisation that are Material to the	•Certified samples and blanks are routinely added to every batch of
	Public Report.	samples.
	• In cases where ‘industry standard’ work has been done this would be	•Mineralisation is determined qualitatively by geological logging and
	relatively simple (eg ‘reverse circulation drilling was used to obtain 1	quantitatively through assaying.
	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.
Drilling	• Drill type (eg core, reverse circulation, open-hole hammer, rotary air	•Rock roll or rough core to refusal then diamond drilling using triple
techniques	blast, auger, Bangka, sonic, etc) and details (eg core diameter, triple	tube HQ3 (61.1mm) sized core to competent rock and then NQ2
	or standard tube, depth of diamond tails, face-sampling bit or other	(50.6mm) to end of hole.
	type, whether core is oriented and if so, by what method, etc).	•Core is oriented using a Boart Longyear TruCore UPIX orientation
		tool.

Duketon Mining Limited ACN 159 084 107

Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
Drill sample	• Method of recording and assessing core and chip sample recoveries	•Recoveries qualitatively noted at the time of drilling and recorded.
recovery	and results assessed.	•Core is metre marked and orientated. Recoveries are recorded.
	• Measures taken to maximise sample recovery and ensure	•Triple tube HQ is used to maximise recovery through the weathered
	representative nature of the samples.	zone and ensure a representative sample.
	• 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.
Logging	• Whether core and chip samples have been geologically and	•All core is logged to a level of detail to support future use in a mineral
	geotechnically logged to a level of detail to support appropriate	resource calculation.
	Mineral Resource estimation, mining studies and metallurgical	•Qualitative: Lithology, alteration, mineralisation.
	studies.	•Quantitative: Vein percentage, sulphide percentage.
	• Whether logging is qualitative or quantitative in nature. Core (or	•All holes for their entire length are logged.
	costean, channel, etc) photography.	•All core is photographed.
	• _The total length and percentage of the relevant intersections logged. _
Sub-	• If core, whether cut or sawn and whether quarter, half or all core	•The core is cut using an automatic core saw, half core is sampled.
sampling	taken.	•The entire sample (approx. 2kg) is dried, pulverised to 85% passing
techniques	• If non-core, whether riffled, tube sampled, rotary split, etc and	75µm.
and sample	whether sampled wet or dry.	•Pulp duplicates are taken at the pulverising stage and selective
preparation	• For all sample types, the nature, quality and appropriateness of the	repeats conducted at the laboratory’s discretion.
	sample preparation technique.	•Sample sizes are considered appropriate for the grainsize of the
	• Quality control procedures adopted for all sub-sampling stages to	material sampled.
	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.
Quality of	• The nature, quality and appropriateness of the assaying and	•Samples are analysed using a Fire Assay 40g charge with MS finish
assay data	laboratory procedures used and whether the technique is considered	for Au, Pt & Pd and a multi-acid digest with ICP-AES finish for 17
and	partial or total.	elements.
	• For geophysical tools, spectrometers, handheld XRF instruments, etc,	•This techniqueisindustry standardfor nickeland considered

Duketon Mining Limited ACN 159 084 107

Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
laboratory	the parameters used in determining the analysis including instrument	appropriate.
tests	make and model, reading times, calibrations factors applied and their	•Samples are analysed for the following elements: Al, As, Au, Ca, Co,
	derivation, etc.	Cr, Cu, Fe, K, Mg, Na, Ni, Pd, Pt, S, Sc, Ti, V, Zn, Zr
	• Nature of quality control procedures adopted (eg standards, blanks,	•Selected samples are also analysed using a Fire Assay 25g charge
	duplicates, external laboratory checks) and whether acceptable levels	with MS finish for Au, Pt, Pd, Rh, Ru, Os, Ir to a 1ppb detection limit.
	of accuracy (ie lack of bias) and precision have been established.	•Certified Reference Material (Standards) and blanks were submitted
		with batches.
Verification	• The verification of significant intersections by either independent or	•All data is checked internally for correctness by senior DKM
of sampling	alternative company personnel.	geological and corporate staff.
and	• The use of twinned holes.	•All data is collected via Ocris software and uploaded into the DKM
assaying	• Documentation of primary data, data entry procedures, data	Datashed Database following validation.
	verification, data storage (physical and electronic) protocols.	•No adjustments are made to assay data.
	• _Discuss any adjustment to assay data. _	•No twinnedholeshave beendrilled to date.
Location of	• Accuracy and quality of surveys used to locate drill holes (collar and	•All location points are collected using a handheld GPS in MGA 94 –
data points	down-hole surveys), trenches, mine workings and other locations	Zone 51
	used in Mineral Resource estimation.	•Downhole surveying (azimuth and dip of the drillhole) of diamond
	• Specification of the grid system used.	drillholes was measured by the drilling contractors using an Axis
	• Quality and adequacy of topographic control.	Champ Gyro tool.
		•A topographic surface has been created from airborne geophysical
		data. Drillholes are corrected to this surface.
Data spacing	• Data spacing for reporting of Exploration Results.	•Current drillhole spacing ranges from 30m x 30m up to 100m x 100m
and	• Whether the data spacing and distribution is sufficient to establish the	in parts. Holes drilled in this program aim to close the spacing down
distribution	degree of geological and grade continuity appropriate for the Mineral	to approximately 50m x 50m in the Upper North area.
	Resource and Ore Reserve estimation procedure(s) and	•Sample compositing has been applied.
	classifications applied.
	• _Whether sample compositing has been applied. _
Orientation	• Whether the orientation of sampling achieves unbiased sampling of	•The orientation of the geology and mineralization at Rosie is steeply
of data in	possible structures and the extent to which this is known, considering	dipping to the south to south-west and striking NNW to W.
relation to	the deposit type.
	• If the relationship between the drilling orientation and the orientation
	of key mineralised structures is considered to have introduced a

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
geological	sampling bias, this should be assessed and reported if material.
structure
Sample	• The measures taken to ensure sample security.	•Chain of custody is managed by company representatives and is
security		considered appropriate. All samples are bagged in a tied numbered
		calico bag, grouped into larger polyweave bags and cable tied.
		Polyweave bags are placed into larger bulky bags with a sample
		submission sheet and tied shut. Consignment note and delivery
		address details are written on the side of the bag and delivered to Toll
		in Laverton. The bags are delivered directly to Bureau Veritas in
		Canning Vale, WA who are NATA accredited for compliance with
		ISO/IEC17025:2005.
Audits or	• The results of any audits or reviews of sampling techniques and data.	•No external audits or reviews have been conducted apart from
reviews		internal company review.

Section 2 Reporting of Exploration Results

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

Criteria	JORC Code explanation	Commentary
Mineral	• Type, reference name/number, location and ownership including	•The tenement (M38/1252) is 100% owned by Duketon Mining Limited
tenement and	agreements or material issues with third parties such as joint	and is in good standing and there are no known impediments to
land tenure	ventures, partnerships, overriding royalties, native title interests,	obtaining a licence to operate in the area.
status	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.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
Exploration	• Acknowledgment and appraisal of exploration by other parties.	•Previous drilling at The Bulge Complex was completed by
done by other		Independence Group (IGO) and South Boulder Mines Ltd. This work
parties		has been checked for quality as far as possible and formed the basis
		of the follow-up conducted as part of the drilling programme
		presented.
Geology	• Deposit type, geological setting and style of mineralisation.	•The Rosie Nickel Deposit is a komatiite-hosted nickel sulphide
		deposit. The mineralisation is characterised by accumulations of
		massive, matrix, breccia and disseminated sulphides at the basal
		contact overlying a basalt footwall.
Drill hole	• A summary of all information material to the understanding of the	•Significant intercepts are provided in a table within the text of this
Information	exploration results including a tabulation of the following information	announcement.
	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.
Data	• In reporting Exploration Results, weighting averaging techniques,	•No top-cuts have been applied when reporting results.
aggregation	maximum and/or minimum grade truncations (eg cutting of high	•First assay from the interval in question is reported (i.e. Ni1).
methods	grades) and cut-off grades are usually Material and should be	•Aggregate sample assays calculated using a length weighted
	stated.	average.
	• Where aggregate intercepts incorporate short lengths of high grade	•Significant grade intervals are based on intercepts > 4000ppm nickel.
	results and longer lengths of low grade results, the procedure used	•NiEq has been calculated with the following prices (US $) and
	for such aggregation should be stated and some typical examples of	recoveries for Pentlandite (P) and Violarite (V):
	such aggregations should be shown in detail.	• Ni $8.00/lb., P = 96.9%, V = 88.7%
	• The assumptions used for any reporting of metal equivalent values	• Cu $3.65/lb., P = 99.5%, V = 94.5%
	should be clearly stated.	• Co $15.30/lb., P = 95.1%, V = 88.5%
		• Pt $1,100/oz., P = 78.2%, V = 57.6%
		• Pd$2,300/oz.,P = 97.6%,V = 87.3%

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
		• Rh $15,500/oz., P = 83.4%, V = 64.8%
		•The calculation for the pentlandite domain is: NiEq = Ni% + (Cu% *
		0.995 * (3.65/8.00)) + (Co% * 0.951 * (15.30/8.00)) + (Pt% * 0.782 *
		(1100 * 14.583/8.00)) + (Pd% * 0.976 * (2300 * 14.583/8.00)) + (Rh%
		* 0.834 * (15500 * 14.583/8.00))
		•The calculation for the violarite domain is: NiEq = Ni% + (Cu% * 0.945
		* (3.65/8.00)) + (Co% * 0.885 * (15.30/8.00)) + (Pt% * 0.576 * (1100 *
		14.583/8.00)) + (Pd% * 0.873 * (2300 * 14.583/8.00)) + (Rh% * 0.648
		*(15500 * 14.583/8.00))
Relationship	• If the geometry of the mineralisation with respect to the drill hole	•Downhole length is reported for the drillholes.
between	angle is known, its nature should be reported.
mineralisation	• If it is not known and only the down hole lengths are reported, there
widths and	should be a clear statement to this effect (eg ‘down hole length, true
intercept	width not known’).
lengths
Diagrams	• Appropriate maps and sections (with scales) and tabulations of	•Refer to figures in document.
	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.
Balanced	• Where comprehensive reporting of all Exploration Results is not	•All drillhole locations are reported and a table of significant intervals is
reporting	practicable, representative reporting of both low and high grades	provided in the release text.
	and/or widths should be practiced to avoid misleading reporting of
	Exploration Results.
Other	• Other exploration data, if meaningful and material, should be	•Refer to document.
substantive	reported including (but not limited to): geological observations;
exploration	geophysical survey results; geochemical survey results; bulk
data	samples – size and method of treatment; metallurgical test results;
	bulk density, groundwater, geotechnical and rock characteristics;
	potential deleterious or contaminating substances.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490

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Criteria	JORC Code explanation	Commentary
Further work	• The nature and scale of planned further work (eg tests for lateral	•A discussion of further work underway is contained within the body to
	extensions or depth extensions or large-scale step-out drilling).	this ASX release.
	• Diagrams clearly highlighting the areas of possible extensions,
	including the main geological interpretations and future drilling
	areas, provided this information is not commercially sensitive.

Duketon Mining Limited ACN 159 084 107 Level 2 25 Richardson Street West Perth WA 6005 T: +61 8 6315 1490