Hartshead Resources NL : Corporate Presentation

H A RT S H E A D R E S OU R C ES N L

Corporate Presentation

J U N E 2 0 2 2

HARTSHEAD RESOURCES NL

F O RWA R D L O O K I NG S TAT E ME NT

The material in this presentation has been prepared by Hartshead Resources Limited ("Hartshead") and is general background information about Hartshead's activities current as at the date of this presentation. This information is given in summary form

and does not purport to be complete. Information in this presentation, including forecast financial information, should not be considered as advice or a recommendation to investors or potential investors in relation to holding, purchasing or selling securities or other financial products or instruments and does not take into account your particular investment objectives, financial situation or needs.

This document contains certain statements which may constitute "forward-looking statements". It is believed that the expectations reflected in these statements are reasonable but they may be affected by a variety of variables and changes in underlying assumptions which could cause actual results or trends to differ materially, including, but not limited to: price fluctuations, actual demand, currency fluctuations, drilling and production results, reserve and resource estimates, loss of market, industry competition, environmental risks, physical risks, legislative, fiscal and regulatory developments, economic and financial market conditions in various countries and regions, political risks, project delays or advancements, approvals and cost estimates.

Hartshead's operations and activities are subject to regulatory and other approvals and their timing and order may also be affected by weather, availability of equipment and materials and land access arrangements. Although Hartshead believes that the expectations raised in this document are reasonable there can be no certainty that the events or operations described in this document will occur in the timeframe or order presented or at all.

No representation or warranty, expressed or implied, is made by Hartshead or any other person that the material contained in this document will be achieved or prove to be correct. Except for statutory liability which cannot be excluded, each of Hartshead, its officers, employees and advisers expressly disclaims any responsibility for the accuracy or completeness of the material contained in this document and excludes all liability whatsoever (including in negligence) for any loss or damage which may be suffered by any person as a consequence of any information in this document or any error or omission there from. Neither Hartshead nor any other person accepts any responsibility to update any person regarding any inaccuracy, omission or change in information in this document or any other information made available to a person nor any obligation to furnish the person with any further information.

Corporate Information

This presentation is dated 27 June 2022 and is authorised to be given to ASX by the Board of Directors of Hartshead Resources NL. The address of Hartshead Resources NL is Level 1 89 St George's Terrace Perth WA 6000 and its website is www.hartshead- resources.com.au. Shareholders, investors and other interest parties can contact Nathan Lude, Executive Director, on [phone] or at [e-mail].

HARTSHEAD RESOURCES

3

HARTSHEAD RESOURCES NL

Q UA L I F IE D P E R S ON' S

S TAT E ME NT

The Reserves estimated in this announcement have been made by Dr Adam Law, Director, ERC Equipoise (ERCE), a postgraduate in Geology, a Fellow of the Geological Society and a member of the Society of Petroleum Evaluation Engineers. Dr Adam Law is qualified in accordance with ASX listing rule 5.41 and has consented to the use of Reserves estimates, and to the form and context in which these statements appear. The Reserves estimates presented in this report were originally disclosed to the market in announcement released on 23 June 2022.

ERC Equipoise Ltd. (ERCE) is a leading, employee owned, global energy consultancy headquartered in London with offices in Singapore, Kuala Lumpur and Perth. It's fully integrated team of Geoscientists, Engineers and Economists are specialists in Competent Persons reporting, reserves and resources auditing, technical services, commercial analysis and Expert advisory services. ERCE supports companies in traditional energy sectors as well as providing energy transition and sustainability services.

The information in this announcement that relates to Reserves estimates is based on information compiled or reviewed by Mr Christopher Lewis. Mr Lewis has consented to the form and context in which the estimated Reserves and the supporting material are presented.

Hartshead has prepared the Contingent Resource and Prospective Resource information in this announcement in accordance with the ASX Listing Rules and the 2007 Petroleum Resources Management System published by the Society of Petroleum Engineers (SPE-PRMS). The Contingent Resource estimates and Prospective Resource estimates presented in this report were originally disclosed to the market in announcement released on 14 December 2020 and updated 8 March 2022 and 6 April 2022. Hartshead confirms that it is not aware of any new information or data that materially affects the information included in the aforesaid market announcements and that all the material assumptions and technical parameters underpinning the estimates in the aforesaid market announcement continue to apply and have not materially changed. The information in this announcement that relates to Contingent Resource information in relation to the Phase II Hodgkin and Lovelace fields and the Prospective Resource information in relation to the Phase III exploration portfolio is based on information compiled by Mr Christopher Lewis and information complied by technical consultants contracted to Hartshead which has been subsequently reviewed by Mr Christopher Lewis. Mr Lewis has consented to the inclusion of such information in this announcement in the form and context in which it appears and the resources information in this report is based on, and fairly represents, information and supporting documentation reviewed by, or prepared under the supervision of, Mr Christopher Lewis.

Mr Lewis is a Director of Hartshead and holds a BSc from the Imperial College, University of London and is a member of The American Association of Petroleum Geologists (AAPG) and the European Association of Geoscientists and Engineers (EAGE). Mr Lewis is qualified in accordance with the requirements in ASX Listing Rule 5.41.

HARTSHEAD RESOURCES

4

GAS DEVELOPMENT COMPANY POISED FOR GROWTH

UK Southern Gas

Basin Focus

Phased Portfolio

Development

Entrepreneurial

Management Team

Material Contingent

Resources

Energy Transition

Alignment

• Southern Gas Basin development company with a multi-phased portfolio of discovered gas resources
• Phase I assets provide a platform to secure a gas transportation route and 3rd party infrastructure access
• Opportunity to leverage planned infrastructure and create aggregation "hubs" of stranded gas pools
• Resource of ~0.8 Tcf of very high quality gas
• Phase I - Development of Anning and Somerville fields: Concept Select Report SUBMITTED to NSTA (May 2022)
• Phase II - Development of Hodgkin and Lovelace
• Phase III - New exploration prospect inventory
• Team has successfully managed multiple Southern Gas Basin projects/companies
• Seasoned skill-set - Subsurface through engineering, commercial, HSEQ and capital markets
• Team members were part of successful exits of Highland Energy and Caledonia Oil & Gas
• Phase I 2P Reserves of 301.5 Bcf1,2
• Phase II 2C contingent resources total 139 Bcf3,4
• Phase III 2U prospective resources of 344 Bcf3,5
• Southern Gas Basin is a key component of the new UK Energy Security Strategy and 2050 net zero target
• License located within the Bacton Catchment Area with access to renewable offshore electrification
• Potential for Hartshead gas to provide feedstock for Blue Hydrogen production at Bacton Energy Hub

1 Reserves estimates are from ERC Equipoise Limited, Independent Competent Persons Report (CPR) entitled "Hartshead Resources NL	2 First reported on 23 June 2022	4	First reported on 14 December 2020
Somerville and Anning Competent Persons Report" dated June 2022. See Qualified Persons Statement for reserves reporting notes	3 Hartshead management estimates	5	First reported on 8 March 2022

5