Gateway Mining : RIU Sydney Resources Round Up Presentation

1Delivering a step-change in resource growth from new discoveries in 2022

• • Gidgee Gold Project

• • North Murchison, WA

RIU Sydney Resources Round-up | May 2022 Mark Cossom, Managing Director

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Important Information and Disclaimer

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 presentation that relates to Exploration Results and Mineral Resources has been extracted from various GML ASX announcements and are available to view on the GML website atwww.gatewaymining.com.au or through the ASX website atwww.asx.com.au (using ticker code "GML")

• ▪ GML confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement. The company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcement.

Exploration Targets Cautionary Statement

• ▪ This presentation may comment on and discuss Gateway Mining Limited's exploration in terms of target size and type. The information relating to Exploration Targets should not be misunderstood or misconstrued as an estimate of Mineral Resources or Ore Reserves. The potential quantity and quality of material discussed as Exploration Targets is conceptual in nature since there has been insufficient work completed to define them as Mineral Resources or Ore Reserves. It is uncertain if further exploration work will result in the determination of a Mineral Resource or Ore Reserve.

• ▪ Any Exploration Targets referred to in this presentation are not Mineral Resources. The Potential quantity and grade of the Exploration targets are conceptual in nature and there has been insufficient exploration to determine a Mineral Resource. There is no certainty that additional exploration work will result in the estimation and reporting of Mineral Resources.

Building a Substantial Gold Inventory

in the North Murchison

TIER-1 LOCATIONROBUST RESOURCE GROWTH

RECENT DISCOVERY

SUCCESSMAJOR

DRILLING COMMITMENTSKILLED TEAM

• ▪ 1,000km2 Gidgee Gold Project, 800km NE of Perth

• ▪ Mineral Resource base totalling 449,000oz (Indicated and Inferred1)

• ▪ 87% growth in 2021, with more to come

• ▪ Three new shallow discoveries in 12 months - all within 5km radius

• ▪ All completely new areas, identified from systematic targeting

• ▪ Over 60,000m of air-core, RC and diamond drilling planned for 2022

• ▪ Well-funded with ~$5.2m in cash and $2.0m in listed equities

• ▪ Experienced and successful technical team with strong track record

1 8,165,000 tonnes @1.7g/t for 449,000 ounces of contained gold. See ASX announcement dated 14 December 2021.

Corporate Summary

CAPITAL STRUCTURE

ASX Ticker Shares on issue1

Executive Performance Options Cash balance as at 31 Mar 2022 Listed Investments as at 31 Mar 2022* Share Price

Market Capitalisation Enterprise Value

GML

2,260,106,367

41,000,000

$5.22M

$2.06M

$0.013

$29.4M

$22.1M

*Includes:

116,798,363 shares in DiscovEx Resources Ltd (ASX: DCX) 20,000,000 shares in Strickland Metals Ltd (ASX:STK)

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Highly Successful and Experienced Leadership Team

Mark Cossom

Managing Director

• ▪ Executive Director since October 2019

• ▪ 24-year experienced geologist with a background in gold exploration, mine geology and corporate management

• ▪ Former General Manager - Geology & Exploration at Doray Minerals Ltd

• ▪ Former Principal Geologist (SE Asia) at Harmony Gold Ltd

• Trent Franklin

  Non-Exec Chairman

• ▪ Experienced Corporate Advisor holding qualifications in Geology/Geophysics, Finance, Financial Planning and Insurance Broking

• ▪ Managing Director of Enrizen Financial Group

• ▪ Former Director of the Australian Olympic Committee Inc. and Australian Water Polo Inc.

  Debbie Fullarton

  Non-Exec Director

• ▪ Chartered Accountant with +30 years experience in various senior corporate and financial roles

• ▪ Currently Chief Executive Officer for Westgold Ltd

• Scott Brown

  Non-Exec Director

• ▪ Company Director with +25 years of broad experience in both the public and private sector

• Kar Chua

  Company Secretary

• ▪ Chartered Accountant with extensive experience in company secretarial & finance roles

• Peter Langworthy

  Technical Consultant

• ▪ +35-year experienced explorer and project developer

• ▪ Led the highly successful exploration team at nickel producer Jubilee Mines

• ▪ 12 years of exploration and operational experience at WMC

• ▪ Former Executive Chairman at Gateway

• ▪ Former Technical Director at Talisman Mining Ltd

• ▪ Founding Director at Capricorn Metals Ltd

• ▪ Founding Director at Northern Star Resources Ltd

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