ORBMINCO LIMITED — Investor Presentation 2021

Oct 4, 2021

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Mt Venn & Musgrave Ni-Cu-PGE + Gold Projects Investor Presentation October 2021 Kevin Seymour Managing Director

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ASX : WML – September 2021

IMPORTANT INFORMATION

DISCLAIMER

This presentation doesn’t include all the information on Woomera Mining Limited and should not be used in isolation as a guide to investing in the Company. Any potential investor should also refer to the Woomera Mining Limited’s Annual Reports, filings and ASX releases and take independent professional advice before considering investing in the Company. For further information about Woomera Mining Limited, visit the website at www.woomeramining.com.au

COMPETENT PERSONS STATEMENT

The exploration results reported herein, insofar as they relate to mineralisation, are based on information compiled by Mr Kevin Seymour. Mr Seymour is a Member of the Australasian Institute of Mining and Metallurgy who has over thirtyfive years of experience in the field of activity being reported. Mr Seymour has sufficient experience which is relevant to the styles of mineralisation and types of deposit under consideration and to the activity that he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’ relating to the reporting of Exploration Results. Mr Seymour consents to the inclusion in the report of matters based on his information in the form and context in which it appears.

FORWARD LOOKING STATEMENTS

Certain statements in this document are or maybe “forward-looking statements” and represent Woomera’s intentions, projections, expectations or beliefs concerning among other things, future exploration activities. The projections, estimates and beliefs contained in such forward looking statements necessarily involve known and unknown risks, uncertainties and other factors, many of which are beyond the control of Woomera, and which may cause Woomera’s actual performance in future periods to differ materially from any express or implied estimates or projections. Nothing in this document is a promise or representation as to the future. Statements or assumptions in this document as to future matters may prove to be incorrect and differences may be material. Woomera does not make any representation or warranty as to the accuracy of such statements or assumptions.

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ASX : WML – September 2021

WOOMERA MINING LIMITED – CORPORATE SNAPSHOT

ASX: WML

Share Price (30 Sept 2021):	$0.021	per share
Shares on Issue:	500	million
Options: Market Capitalisation: Cash (29 Sept 2021) unaudited estimate, prior to Oct. capital raising Debt (30 Jun 2021):	224 $10.5 $1.0 Nil	million million million
Enterprise Value:	$9.5	million

Major Shareholders

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David Lindh, NED, 6.79%
Ian Gordon, NED, 0.49%
David Richards, NED, 0.29%
Kevin Seymour, MD, 1.18%
Other
Shareholders,
91.25%
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Share Price History

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New Board & Management
$0.040 40.0
$0.035 35.0
$0.030 30.0
$0.025 25.0
$0.020 20.0
$0.015 15.0
$0.010 10.0
$0.005 5.0
$0.000 -
01/2020 04/2020 07/2020 10/2020 01/2021 04/2021 07/2021
Share price (A4/sh) Volume (millions)
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Nickel and Gold Price Performance

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Nickel (lhs) Gold (rhs)
9.0 3000
2500
6.0 2000
1500
3.0 1000
500
0.0 0
1/12/2019 1/03/2020 1/06/2020 1/09/2020 1/12/2020 1/03/2021 1/06/2021
A$/oz Au
US$/per lbs Ni
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ASX : WML – September 2021

WOOMERA MINING LIMITED – OCTOBER 2021 CAPITAL RAISING

CAPITAL RAISING STRATEGY

CAPITAL RAISING OVERVIEW

• Woomera has a strong pipeline of well defined projects it is poised to execute.

• Capital raising will support immediate commencement of projects, as well as exploration of future opportunities through bolstering working capital.

• Projects for immediate execution include:

• Aggressive Mt. Venn exploration program, focus on PGE/Ni-Cu targets • Three Bears Gold Targets, on back of promising drilling findings • Further PGE/Ni-Cu drilling at Mt. Venn upon gov. approval of EM targets .

	Single-tranche
Offer Type	Placement & 1:5 Rights Issue
Issue Price	$0.019
Shares issued under ~$1.3m placement	68.4m
Shares issued under ~$1.9m 1:5 rights issue	99.9m
Amount to be raised	~$3.2m

USE OF FUNDS

SHARE PRICE HISTORY

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New Board & Management
PGE/Ni-Cu Targets ~$1.46m $0.040 40.0
$0.035 35.0
Issue Price
$0.030 30.0
Gold Targets ~$0.34m $0.025 25.0
$0.020 20.0
$0.015 15.0
Working Capital ~$1.40m
$0.010 10.0
$0.005 5.0
Total ~$3.2m $0.000 -
01/2020 04/2020 07/2020 10/2020 01/2021 04/2021 07/2021
Share price (A4/sh) Volume (millions)
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ASX : WML – September 2021

WOOMERA MINING LIMITED – NEW LEADERSHIP

Experienced, well credentialled Board with strong history of exploration, development and production success

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Kevin Seymour Managing Director

Ian Gordon

Non-Executive Chair

David Richards

Non-Executive Director

David Lindh

Non-Executive Director

• +35 years (Geologist)

• Formerly General Manager - Exploration at Ramelius Resources (ASX:RMS)

• Led discovery teams for Lady Ida (Kalgoorlie) and Eridanus (Mt Magnet), in WA

• +25 years (Mining Executive)

• Non-Exec. Director Dreadnought Resources (ASX:DRE)

• Formerly MD at Ramelius Resources (ASX:RMS) and Flinders Mines (ASX:FMS)

• +40 years (Geologist)

• Technical Director – Liontown Resources (ASX:LTR)

• Led discovery teams for Vera-Nancy /Pajingo (Qld) and the Kathleen Valley Lithium Deposit in WA

• +40 years (Lawyer)

• Chairman NuCannCo Science

• Formerly Chairman Centrex Metals (ASX:CXM) etc

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ASX : WML – September 2021

EXPLORATION FOCUS – GOLD AND BASE METAL PROJECTS

• Exploring three world-class nickel, copper and gold provinces

• Excellent access to rail and road infrastructure

• Low-risk, investor-friendly mining jurisdictions

• Yilgarn Craton - Mt Venn JV (Au + Ni-Cu-PGE) Project – 80% Woomera Mining (WML) / 20% Cazaly Resources

• Musgrave Province – Musgrave (Ni-Cu-Co) Project – 100% WML

• Gawler Craton - Labyrinth (Cu-Au) Project – 100% WML

Pipeline of targets over multiple projects

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ASX : WML – September 2021

MT VENN JV PROJECT - GOLD + Ni–Cu-PGE

• Mt Venn JV - 366km[2 ] granted tenure

• 125km north-east of Laverton with good access off the Great Central Road

• 40km west of 6Moz Gruyere Gold Mine

• 50km of continuous strike of an under-explored

• greenstone belt

• Pipeline of nickel and gold targets throughout project

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ASX : WML – September 2021

MT VENN JV PROJECT - GOLD + Ni–Cu-PGE

• Nickel-Copper-PGE targets at Mt Cumming – four magmatic massive sulphide intrusive sills to be targeted with RC drilling and MLTEM surveys through to Christmas:

  • Phase #1: 5 RC holes for 1,840m

  • Phase #2: MLTEM + 5 RC holes for 1,080m

• Gold targets at Three Bears – gold mineralisation drilled over 4.0km strike, drilling to target higher grades at depth

  • Phase #2: 10 RC holes for 1,760m

• New gold auger geochem surveys planned for November* – testing Jutson Dome, Mt Cumming South and Wartu Granite:

  • Reconnaissance Auger Soils

• subject to heritage clearances and contractor availability

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ASX : WML – September 2021

MT CUMMING PROSPECT – MAGMATIC MASSIVE SULPHIDE NI-CU-PGE POTENTIAL

• Phase #1 - Five geochem supported EM targets will be RC drilled, commencing in early October

• Mt Warren Sill - EM#1 & EM#2

• PGE mineralisation mapped over 2km strike

• Rock chips up to 226 ppb Pt + Pd[(1)]

• Moderate conductance ~1000S

• Mt Cornell Sill - EM#3 & EM#6

• Up to 3.2% Cu and 8.2 g/t Au in rock chip sampling coincident with Anomaly 3[(2)]

• Moderate conductance ~ 800S

• MLTEM east-west survey ext. to EM#3 in September

• Mt Cumming Sill - EM#5

• 650m dip continuous plate – two RC holes planned pending MLTEM refinement

• (1). Helix Resources; 2000 - 2002: Jutson Rocks Annual Technical Reports for the years ending 2000 -

• 2002 – WAMEX Open File Reports A064707 + A064708 + A066357

• (2). Elmina NL;1995 -1998: Annual Technical Reports for the years ending 1995-1998 - WAMEX Open File Reports A051251+ A058034

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Airborne Versatile-Time Domain Electromagnetic Survey Image

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ASX : WML – September 2021

JUTSON DOME PROSPECT – KOMATIITIC MASSIVE NI SULPHIDE POTENTIAL

• Phase #2 - Five untested VTEM anomalies lie along strike from Great Boulder Resources Ltd’s (1) (ASX:GBR) and Ausgold Ltd’s (2) (ASX:AUC) Winchester Prospect:

• Winchester confirms semi-massive sulphides in the district with intersections up to 21m at 0.63% Cu + 0.2% Ni

• MLTEM and RC drilling planning underway

• Untested basal komatiitic ultramafic flows identified at Jutson Dome, with stratigraphy and :

• dimensions analogous to the Kambalda Dome[(3)]

• Anomalous nickel in soils >1000ppm Ni , never drilled

• 3m at 0.7% Ni in historical costean[(4)] , never drilled, mapping confirms spinifex textured u/m komatiitic flows are present

• Reconnaissance Aircore drilling in prep for H2FY2022

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• (1). See Great Boulder Resources - ASX Release RIU Presentation dated February 2021

• (2). See Ausgold Limited - ASX Release Corporate RIU Presentation dated February 2021

• (3). 51Mt @ 3.1% Ni Mined from Kambalda region to 2020. Source Portergeo.com.au (4). Kennecott Exploration Australia Pty Ltd (1971): Throssell One and Two . WAMEX Open File report A06944

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ASX : WML – September 2021

THREE BEARS PROSPECT – A LARGE GOLD SYSTEM

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(NSR)NSR

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ASX : WML – September 2021

THREE BEARS PROSPECT – DEEPER RESOURCE POTENTIAL

• :

• Broad Mama + Baby Bear intersections include[(1)]

• 13m at 0.6 g/t Au from 24m in MVRC026, including 3m at 1.2 g/t Au from 31m

• 27m at 0.4 g/t Au from 88m in MVRC028, including 3m at 1.3 g/t Au from 95m

• 39m at 0.4 g/t Au from 50m in MVRC029, including 5m @ 1.0 g/t Au from 79m

• 49m at 0.3 g/t Au from 54m in MVRC031, including 4m at 1.0 g/t Au from 55m

• 37m at 0.4 g/t Au from 65m in MVRC032, including 6m at 1.3 g/t Au from 101m

• 50m at 0.3 g/t Au from 46m in MVRC034, including 3m at 1.3 g/t Au from 53m

• 10m at 0.7 g/t Au from 197m in MVRC040, including 1m at 5.0 g/t Au from 203m

• Mineralisation remains open along strike, down plunge

• Poorly tested (hangingwall) Papa Bear Lode

• Deeper RC drilling is planned for October 2021; targeting higher grades within the Baby Bear Diorite, associated with a >1.2km striking de-magnetised corridor

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(1). Woomera Mining; 2021: June Quarterly Report, dated 23 July 2021 and ASX Release dated 23 August 2021. Assays rounded to one decimal place.

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ASX : WML – September 2021

THREE BEARS PROSPECT – PLANNED RC HOLES TO TEST BABY BEAR DIORITE WITHIN DE-MAGNETISED HALO

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NSR
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ASX : WML – September 2021

MUSGRAVE PROJECT – MAGMATIC MASSIVE SULPHIDE NI-CU-PGE PROVINCE

Musgrave Province Craton Margin

• WML holds over 1,600km[2] of granted tenure within the Musgrave Province in South Australia

• Similar geology to Nova Bollinger and Julimar

• Proximal to Craton Margin and major structures

• Woodruff Thrust + gravity ridge passes through project

• Anomalous Ni-PGE geochemistry and EM plate conductors over existing targets

• Targeting and drilling - Budget of $850,000 (H2FY2022)

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ASX : WML – September 2021

MUSGRAVE PROVINCE – MAGMATIC MASSIVE SULPHIDE NI-CU-PGE PROVINCE

• Regional exploration (craton margin), targeting magmatic Ni-CuPGE sulphides

• Known prospective Giles Complex rocks that host OZL’s NeboBabel deposit confirmed in three holes and mapping by GSSA* along the western tenement boundary

• Historical assays up to 19m at 0.2% Ni[(1)] at Cavanagh (Area #2) confirm ultramafic cumulates from 8m depth

• First test geochemistry - over 25km strike to be scoped with auger/mini-RAB to map the extent of Giles Complex rocks between Cavanagh, Area #2 and Area #3 (O’Mahoney) along the Woodruff Thrust (craton margin)

• Geochemistry will refine targets ahead of airborne and/or ground EM surveys and drill testing in H2FY2022

(1). CRA (1997): EL2020 Mt Howe Project – Exploration Report 23518. South Australian DME Open File Exploration Report . * Geological Survey of South Australia

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ASX : WML – September 2021

LITHIUM PROJECTS – STRATEGIC REVIEW

• Non-core vs. current exploration priorities at Mt Venn + Musgrave

• Woomera (through two subsidiaries) holds eight lithium tenements:

• The Pilgangoora Lithium Project - located 60 to 110km south-east of Port Hedland in Western Australia. Close to world-class lithium projects including Pilbara Minerals’ Pilgangoora and Altura Lithium Mines and Mineral Resources Limited /Albemarle Corporation’s Wodgina Lithium Mine.

• The Mt. Cattlin Lithium Project located near Ravensthorpe, Western Australia. Prospective for lithium mineralisation similar to Galaxy Resources Limited’s nearby Mt Cattlin Lithium Mine.

• The Binneringie Lithium Project - located along the shores of Lake Cowan and Lake Dundas within the Norseman-Wiluna Greenstone Belt in the Eastern Goldfields in Western Australia.

• Board reviewing Woomera’s portfolio of lithium assets to maximise shareholder returns

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ASX : WML – September 2021

EXPLORATION TIMELINE – H1 FY2022

**State **	Project	Prospect	Activity	September	October	November	December
WA	Broomehill	Regional	LACA + surface sampling
SA	Musgrave	Cavanagh	400 x 50m Auger/Mini RAB
		Area#2 (Cavanagh Ext.)	800 x 50m Auger/Mini RAB
		Area#3 (O'Mahoney)	400 x 50m Auger
SA	Labyrinth	Regional	300m Auger Calcrete Sampling
WA	Mt Venn JV	Mt Cumming (Ni)	RC Drilling -EM#1-3 + 5-6
		Mt Cumm. Ext (Ni)	MLTEM - additional RC targets
		Mt Cumm. Ext (PGE)	MLTEM - additional RC targets
		Mt Cumm. Sth (Au)	400 x 50m Auger
		Kennecott (Ni)	Single fence Aircore
		Jutson Dome (Ni)	800 x 50m Aircore
		Jutson Rocks (Au)	400 x 50m Auger (200x50m infill)
		Wartu Granite (Au)	400 x 50m Auger (6km x 1km)
		Three Bears (Au)	Infill RC Drilling
WA	Corporate		Project Generation
SA	Corporate		Corporate Administration
Aust.	Exploration		Salaries/Wages/Consultants
			Monthly Total	192207	667207	513247	115207

Land Access/Heritage Surveys/Data Compilation & Review

Site Preparation Geochemistry Geophysics Drilling

Budget to Dec 31[st] : $1.50M

H1FY2022 Budget includes $50k for Geochem but excludes bulk of Musgrave expenditure of $0.80m scheduled for H2FY2022

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ASX : WML – September 2021

WOOMERA MINING LIMITED – INVESTMENT CASE

• Focussed on large, highly prospective, underexplored land positions

• Three world-class mineral provinces

• Investor-friendly mining jurisdictions

• Close to established infrastructure

• Targeting Au + Ni-Cu-PGE deposits

• Multiple projects to maintain news flow

• Multiple auger soil + EM surveys planned

• Multiple drill targets identified

• Under “New Management”

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ASX : WML – September 2021

THANK YOU

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ASX : WML – September 2021