GATEWAY MINING LIMITED — Investor Presentation 2019

Feb 11, 2019

Creating value from advanced gold Resource Rising Stars exploration in WA Peter Langworthy – February 201 9

Forward Looking Statements

• This presentation has been prepared by Gateway Mining Ltd (GML). The information contained in this presentation is a professional opinion only and is given in good faith. Certain information in this document has been derived from third parties and through Gateway Mining has no reason to believe that it is not accurate, reliable or complete, it has not been independently audited or verified by GML.

• This presentation is in summary form and does not purport to be all inclusive or complete. Recipients should conduct their own investigations and perform their own analysis in order to satisfy themselves as to the accuracy and the completeness of the information, statements and opinions contained.

• This is for information purposes only. Neither this nor the information contained in it constitutes an offer, invitation, solicitation or recommendation in relation to the purchase or sale of GML shares in any jurisdiction. This does not constitute investment advice and has been prepared without taking into account the recipient’s investment objectives, financial circumstances or particular needs and the opinions and recommendations in this presentation are not intended to represent recommendations of particular investments to particular persons. Recipients should seek professional advice when deciding if an investment is appropriate. All securities transactions involve risks, which include (among others) the risk of adverse or unanticipated market, financial or political developments.

• To the fullest extent permitted by law, GML, its officers, employees, related bodies corporate, agents and advisors do not make any representations or warranty, express or implied, as to the currency, accuracy, reliability or completeness of any information, statements, opinions, estimated, forecasts or other representations contained in this presentation. No responsibility for any errors or omissions from this arising out of negligence or otherwise is accepted.

• Any forward looking statements included in this document involve subjective judgment and analysis and are subject to uncertainties, risks and contingencies, many of which are outside the control of, and may be unknown to, GML. In particular, they speak only as of the date of this document, they assume the success of GML’s strategies, and they are subject to significant regulatory business, competitive and economic uncertainties and risks. Actual events may vary materially from the forward-looking statements and the assumptions on which the forward-looking statements are based. Recipients of this document are cautioned to not place undue reliance on such forward-looking statements.

Competent Person Statement

■ The information in this report that relates to Exploration Results or Mineral Resources is based on information compiled or reviewed by Mr Peter Langworthy who is a full-time employee of Gateway Mining Ltd and is a current Member of the Australian Institute of Mining and Metallurgy. Mr Peter Langworthy has sufficient experience, which is relevant to the style of mineralisation and types of deposit under consideration and to the activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the “Australasian Code of Reporting of Exploration Results, Mineral Resources and Ore Reserves”. Mr Langworthy consents to the inclusion in the report of the matters based on the information in the form and context in which it appears.

Corporate and Management

CAPITAL STRUCTURE

ASX Ticker	GML
Shares on Issue	918,095,994
Options attached to Entitlements Issue (3c)	63,684,593
Executive Performance Options	20,000,000
Cash @ 31st December 2018	$1.3m
Share Price	$0.014
Market Capitalisation	$13m

Major Shareholders	Major Shareholders
OMNI GeoX	14.41%
Harmanis Holdings	8.86%
L11 Capital	6.50%
Crest Investment Group	4.13%
Directors	3.79%
Other	62.31%

BOARD OF DIRECTORS

Trent Franklin – NonExec Chairman Peter Langworthy – Managing Director Debbie Fullarton – Non Exec Director

Corporate Advisor holding qualifications in Finance, Financial Planning and Insurance Broking. Trent also holds a BSc Degree (Geology/Geophysics) from the University of Sydney.

Experienced explorer and project developer: Jubilee Mines NL, WMC Resources Limited, Capricorn Metals Ltd and PacMin Mining Ltd. Peter led the exploration team that was responsible for numerous discoveries that supported the outstanding success of Jubilee Mines.

Chartered Accountant with 25 years experience in senior roles including Executive Director, Chief Financial Officer and Financial Manager. Currently Chief Financial Officer for Westgold Ltd.

A Company Director with 25 years experience in Project Management, Business Development and Logistics across the commercial construction, security-risk management and resource sectors both in Australia and internationally.

Scott Brown - Non Exec Director

Kar Chua – Company Secretary

Chartered Accountant with extensive experience in company secretarial & finance roles.

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■ Large-scale gold system in a well-endowed gold region

• Gum Creek Greenstone Belt (~2Moz)

■ Virtually untested by modern exploration

• Little deep testing beneath shallow oxide gold deposits

• 150koz mined 1980’s

• Strong indications of high-grade mineralisation at depth

• Targeting high-grade gold in major shear systems on the margin of the granitoid intrusion

• Granny Smith (+2Moz: Gold Fields)

• Tarmoola-King of the Hills (2.3Moz: RED 5)

• Consolidated ground-holding of 700km[2]

• Core of granted Mining Leases

■ Well-developed infrastructure throughout the region

Gidgee Gold Project – Corporate Strategy

• Building a strong free milling gold resource base to consolidate recent drilling success

• Advance greater opportunities across entire project

• Resource Evaluation à Target Generation

• Large component of drilling (RC, diamond and aircore)

• Systematically build a gold resource base capable of sustaining a mid-tier scale gold business

• Look at sensible consolidation and expansion opportunities

• Value accretive divestments of non-core projects

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The Opportunity – Prospective Large-scale Gold System

■ Major structural corridors

• Widespread shallow oxide mineralisation

• Historical open pit mining (150Koz)

• ■ Drilling database

• Strong indications of highgrade mineralisation

• Limited drilling at depth

• Target contact on margin of Montague Granodiorite poorly tested

• Extensive transported cover

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Resource Evaluation – Whistler and Montague Gold Deposits

■ Whistler and Montague recognised as major resource growth opportunities in the short term.

• Assess potential for cut-backs on the historical open pits.

• Assess potential for underground development on high-grade gold mineralisation.

• Early metallurgical and geotechnical assessment.

• Important information to unlock the key mineralisation controls across the wider project.

■ INTERIM POSITION ONLY!

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Resource Evaluation – Whistler and Montague Gold Deposits

■ Whistler and Montague recognised as major resource growth opportunities in the short term.

• Assess potential for cut-backs on the historical open pits.

• Assess potential for underground development on high-grade gold mineralisation.

• Early metallurgical and geotechnical assessment.

• Important information to unlock the key mineralisation controls across the wider project.

■ INTERIM POSITION ONLY!

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Whistler – Resource Evaluation and Growth Strategy

■ Thick, coherent gold mineralization beneath pit

■ Strong high-grade component

■ Exceptional drilling results over last 12 months:

December 2018 April-June 2018 ■ 21m @ 5.30g/t Au ■ 27.7m @ 4.0g/t Au (incl. 15(6.5)) ■ 15m @ 4.51g/t Au ■ 2.8m @ 79.2/t Au (incl. (0.5(440.1)) ■ 8m @ 6.04g/t Au ■ 29m @ 3.7g/t Au (incl.12(7.7) ) ■ 6m @ 14.5g/t Au ■ 37m @ 3.1g/t Au (Incl. 10 (7.7)) ■ 26m @ 2.61g/t Au ■ 69m @ 1.43g/t Au (Incl. 15(2.1) & 25(2.0)) ■ 18m @ 2.85g/t Au ■ 6m @ 5.0g/t Au (bottom of hole) ■ 32m @ 1.21g/t Au ■ 22m @ 1.90g/t Au ■ 8m @ 1.10g/t Au ■ 13m @ 2.60/t Au ■ 11m @ 1.78g/t Au

■ Resource estimation process underway – due end Feb

■ Preliminary met-testwork and geotechnical assessment

■ Permitting pathway identified

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Whistler – Resource Evaluation and Growth Strategy

■ Thick, coherent gold mineralization beneath pit

■ Strong high-grade component

■ Exceptional drilling results over last 12 months:

December 2018 April-June 2018 ■ 21m @ 5.30g/t Au ■ 27.7m @ 4.0g/t Au (incl. 15(6.5)) ■ 15m @ 4.51g/t Au ■ 2.8m @ 79.2/t Au (incl. (0.5(440.1)) ■ 8m @ 6.04g/t Au ■ 29m @ 3.7g/t Au (incl.12(7.7) ) ■ 6m @ 14.5g/t Au ■ 37m @ 3.1g/t Au (Incl. 10 (7.7)) ■ 26m @ 2.61g/t Au ■ 69m @ 1.43g/t Au (Incl. 15(2.1) & 25(2.0)) ■ 18m @ 2.85g/t Au ■ 6m @ 5.0g/t Au (bottom of hole) ■ 32m @ 1.21g/t Au ■ 22m @ 1.90g/t Au ■ 8m @ 1.10g/t Au ■ 13m @ 2.60/t Au ■ 11m @ 1.78g/t Au

■ Resource estimation process underway – due end Feb

■ Preliminary met-testwork and geotechnical assessment

■ Permitting pathway identified

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Whistler – Resource Evaluation and Growth Strategy

■ Thick, coherent gold mineralization beneath pit

■ Strong high-grade component

■ Exceptional drilling results over last 12 months:

December 2018 April-June 2018

■ 21m @ 5.30g/t Au ■ 27.7m @ 4.0g/t Au (incl. 15(6.5)) ■ 15m @ 4.51g/t Au ■ 2.8m @ 79.2/t Au (incl. (0.5(440.1)) ■ 8m @ 6.04g/t Au ■ 29m @ 3.7g/t Au (incl.12(7.7) ) ■ 6m @ 14.5g/t Au ■ 37m @ 3.1g/t Au (Incl. 10 (7.7)) ■ 26m @ 2.61g/t Au ■ 69m @ 1.43g/t Au (Incl. 15(2.1) & 25(2.0)) ■ 18m @ 2.85g/t Au ■ 6m @ 5.0g/t Au (bottom of hole) ■ 32m @ 1.21g/t Au ■ 22m @ 1.90g/t Au ■ 8m @ 1.10g/t Au ■ 13m @ 2.60/t Au ■ 11m @ 1.78g/t Au

■ Resource estimation process underway – due end Feb

■ Preliminary met-testwork and geotechnical assessment

■ Permitting pathway identified

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See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

Whistler – Resource Evaluation and Growth Strategy

• Major opportunity to expand deposit beyond current resource focus:

• Open in all directions

• Strike extensions

• High-grade underground resource target

• Parallel structures

■ Diamond drilling to commence in February

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Montague – Resource Evaluation and Growth Strategy

• Recent RC drilling confirms major mineralised structure in immediate base of open pit.

• Follow-up drilling to expand mineralisation prior to resource estimation about to commence.

• Part of a ~3km highly prospective contact zone that is largely untested

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Montague – Resource Evaluation and Growth Strategy

• Recent RC drilling confirms major mineralised structure in immediate base of open pit.

• Follow-up drilling to expand mineralisation prior to resource estimation about to commence.

• Part of a ~3km highly prospective contact zone that is largely untested

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Montague – Resource Evaluation and Growth Strategy

• Confirmation of significant gold mineralised system

• ■ Open down-dip and along strike to the north and south

• High-grade domains

• Expand mineralisation footprint ahead

• of maiden resource

• Preliminary met-testwork

• Drilling results include:

• 5m @ 11.5g/t Au

• ■ 2m @ 5.80g/t Au ■ 9m @ 4.24g/t Au

• 7m @ 3.91g/t Au (within 15m @ 2.10g/t Au)

• ■ 5m @ 4.47g/t Au ■ 3m @ 2.16g/t Au ■ 7m @ 1.56g/t Au

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See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

Montague – Resource Evaluation and Growth Strategy

• Confirmation of significant gold mineralised system

• ■ Open down-dip and along strike to the north and south

• High-grade domains

• Multiple targets

• ■ “New Discovery” at depth ■ Gordon’s Lode: 4m @ 24.2g/t Au

• Drilling results include:

• ■ 5m @ 11.5g/t Au ■ 2m @ 5.80g/t Au ■ 9m @ 4.24g/t Au ■ 7m @ 3.91g/t Au (within 15m @ 2.10g/t Au) ■ 5m @ 4.47g/t Au ■ 3m @ 2.16g/t Au ■ 7m @ 1.56g/t Au

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Montague – Resource Evaluation and Growth Strategy

• Confirmation of significant gold mineralised system

• Open down-dip and along strike to the north and south

• High-grade domains

• Multiple targets

• “New Discovery” at depth ■ Gordon’s Lode: 4m @ 24.2g/t Au Whistler Deposit

• ■ superimposed at same Drilling results include: scale

• ■ 5m @ 11.5g/t Au ■ 2m @ 5.80g/t Au ■ 9m @ 4.24g/t Au ■ 7m @ 3.91g/t Au (within 15m @ 2.10g/t Au) ■ 5m @ 4.47g/t Au ■ 3m @ 2.16g/t Au ■ 7m @ 1.56g/t Au

See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

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Montague – Resource Evaluation and Growth Strategy

• Confirmation of significant gold mineralised system

• Open down-dip and along strike to the north and south

• ■ High-grade domains

• ■ Expand mineralisation footprint ahead of maiden resource

• ■ Preliminary met-testwork

• ■ Drilling results include:

• ■ 5m @ 11.5g/t Au ■ 2m @ 5.80g/t Au ■ 9m @ 4.24g/t Au ■ 7m @ 3.91g/t Au (within 15m @ 2.10g/t Au) ■ 5m @ 4.47g/t Au

• 3m @ 2.16g/t Au

• ■ 7m @ 1.56g/t Au

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See ASX announcements dated 10[th ] and 14[th] January 2019 a for results detail

Exploration Opportunities – How do we realise the potential?

■ Large, connected system

• Pipeline of exploration targets

• Caledonian – NE Pit

• Our Jack

• Rosie-Airport

• Eastern Contact

• Systematic, integrated, well conceived programs of exploration.

• Good quality datsets

• Best practice execution capabilities

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Our Jack Prospect – Extension of Montague Deposit?

• Located between Whistler and Montague

• ■ Geologically similar to Montague

• ■ Advanced target generated from recent aircore drilling program ■ 23m @ 2.03g/t Au ■ 7m @ 1.34g/t Au ■ 16m @ 1.72g/t Au

• ■ Granite stockwork and contact targets

• Open in all directions

• Follow-up RC drilling

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See ASX announcements dated 23[rd] August 2018 for results detail

Caledonian – One large gold system?

• Large, connected system

• ■ Remnant oxide mineralisation in base of Caledonian and NE Pits

• ■ NE Pit mineralisation open at depth and untested

• ■ High-grade C2 Target confirmed: ■ 2m @ 5.82g/t ■ 2m @ 24.6g/t ■ 3m @ 17.7g/t ■ 16m @ 1.61g/t ■ 10m @ 1.62g/t

• Multiple mineralised shear zones to follow-up

See ASX announcements dated 23[rd] August 2018 for results detail

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Rosie Airport Trend – Assessment and Targeting

• ~1.6km long target trend

• Large-scale stock work zone

• Strong high-grade component ■ Follow-up RC drilling

See ASX announcements dated 8[th] October 2018 for results detail

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Exploration Opportunities – Kashmere Prospect

• Located on the ~10km long highly prospective Eastern Margin

• Immediate along strike of the Howards Deposit (200koz – owned by HRN)

• 1.8km long coincident gold-silver anomaly

• Requires 1[st] pass aircore drill testing

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See ASX announcements dated 2 [nd] November 2018 for results detail
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■ Highly successful drilling programs during 2018:

■ Whistler

• Montague

• Our Jack

• Caledonian – NE Pit

■ High quality pipeline of advanced exploration targets

■ Resource estimation and evaluation processes at Whistler and Montague

• Disciplined evaluation of historical data highlighting new opportunities

• Ongoing drilling and associated exploration activities to deliver strong news flow

■ Expanding footprint in the region: active tenement pegging

• An outstanding growth opportunity in the WA gold sector following consolidation of the Gidgee gold tenure

• Strong results delivered throughout 2018

• Focused and active resource assessment and exploration programs planned for 2019

• Strong management team with execution capabilities

• A Tier-1 address for gold exploration, development and mining

• Proven gold endowment as evidenced by historical mining and recent drilling

• Virtually no modern, systematic exploration – and no drilling at depth

• Prospective geology for large-scale gold system with multi-million ounce potential

Gateway is aiming to systematically build a gold resource base at Gidgee capable of sustaining a mid-tier scale gold business

Creating value from advanced gold Resource Rising Stars exploration in WA Peter Langworthy – February 201 9