GATEWAY MINING LIMITED — Board/Management Information 2025

Sep 25, 2025

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ASX Announcement ASX: GML

26 September 2025

GATEWAY ANNOUNCES FURTHER BOARD CHANGES

HIGHLY EXPERIENCED MINING ENGINEER DAVID MORGAN JOINS THE BOARD

HIGHLIGHTS

• Mr David Morgan joins the Board as a Non-Executive Director.

• Non-Executive Director Mr Peter Langworthy to step down from the board and transition to Technical Advisor.

• These additional changes ensure a strong, well-balanced and experienced senior leadership team to oversee a new phase of exploration at the newly acquired Yandal Gold Project.

Management Comment

Andrew Bray, Executive Chairman of Gateway, said: “We are delighted to welcome David Morgan to the Gateway Board. David brings exceptional operational, project development and corporate experience gained across four decades in the mining industry, both in Australia and internationally. His deep knowledge of the Yandal Gold Project, together with his proven track record in mine development and operations, will be of critical value to Gateway as we continue to advance our growth strategy. On behalf of the Board, I would also like to sincerely thank Peter Langworthy for his long-standing contribution, commitment and support to Gateway. Peter has not only provided vast technical expertise over many years to the Company but also has extensive experience with our flagship Yandal Gold Project. The project acquisition would not have occurred without Peter’s critical input, and we are delighted that he has agreed to continue in a Technical Advisor role going forward.”

Board Restructure

Gateway Mining Limited (ASX: GML) ( Gateway or Company ) is pleased to announce the appointment of highlyexperienced mining engineer Mr David Morgan as Non-Executive Director.

Mr Morgan is a mining engineer and mechanical engineer with 40 years’ experience in the mining industry in Australia and Africa. He has previously held a number of executive development and mine operations roles involving project engineering, maintenance and contract earthmoving for companies such as Rio Tinto, Macmahon and WMC Resources. He was General Manager Operations for Equigold in Queensland and was also General Manager Mining and Metallurgy for Sundance Resources Mbalam Iron Ore Project.

Mr Morgan was previously a director of ASX listed Discovex Resources Limited and Strickland Metals Limited.

Mr Morgan is currently non-executive director of ASX listed Nagambie Resources Limited.

Mr Morgan is well acquainted with the Yandal Gold Project, having been closely involved in its development between 2021 and 2024 during his involvement with Strickland.

Mr Peter Langworthy has stepped down as Non-Executive Director and will transition to a Technical Advisor role going forward. The Company sincerely thanks Mr Langworthy for his many years of dedication and service and wishes him the best in his future endeavours.

LinkedIn: @gateway-mining Twitter: @gateway_mining www.gatewaymining.com.au

Gateway Mining Ltd

B1/431 Roberts Road Subiaco WA 6008

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Following this announcement, the structure of the Board and its officers will be as follows:

• Mr Andrew Bray – Executive Chairman;

• Mr Anthony McClure – Non-Executive Director;

• Mr David Morgan – Non-Executive Director;

• Mr David Crook – Non-Executive Director;

• Mr Richard Pugh – Chief Executive Officer and

• Kar Chua – Company Secretary.

This released has been authorised by:

The Executive Chairman

For and on behalf of GATEWAY MINING LIMITED

Investors	Media
Andrew Bray	Nicholas Read
Executive Chairman	Read Corporate
T: 08 6383 9969	T: 08 9388 1474
or
Kar Chua
Company Secretary
T: 02 8316 3998

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Forward Looking Statement

This announcement may contain certain forward-looking statements, guidance, forecasts, estimates, prospects, projections or statements in relation to future matters that may involve risks or uncertainties and may involve significant items of subjective judgement and assumptions of future events that may or may not eventuate ( Forward-Looking Statements ). Forward-Looking Statements can generally be identified by the use of forward-looking words such as "anticipate", "estimates", "will", "should", "could", "may", "expects", "plans", "forecast", "target" or similar expressions and may include, without limitation, statements regarding plans, strategies and objectives of management, anticipated production and expected costs. Indications of, and guidance on future earnings, cash flows, costs, financial position and performance are also Forward Looking Statements.

Persons reading this announcement are cautioned that such statements are only predictions, and that actual future results or performance may be materially different. Forward-Looking Statements, opinions and estimates included in this announcement are based on assumptions and contingencies which are subject to change, without notice, as are statements about market and industry trends, which are based on interpretation of current market conditions. Forward-Looking Statements are provided as a general guide only and should not be relied on as a guarantee of future performance.

No representation or warranty, express or implied, is made by Gateway that any Forward-Looking Statement will be achieved or proved to be correct. Further, Gateway disclaims any intent or obligation to update or revise any Forward-Looking Statement whether as a result of new information, estimates or options, future events or results or otherwise, unless required to do so by law.

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