MINREX RESOURCES LIMITED — Board/Management Information 2022

May 5, 2022

ASX Code: MRR

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6 MAY 2022

ASX Release

BOARD APPOINTMENTS

Non-Executive Chairman and Non-Executive Director appointments add significant Pilbara experience to further strengthen Board

HIGHLIGHTS

• Highly credentialed commercial lawyer Richard O’Shannassy appointed as Non-Executive Chairman

• MinRex Exploration Manager, Ian Shackleton, appointed as Non-Executive Director

• Appointments add significant further Pilbara experience to the Board

MinRex Resources Limited ( ASX: MRR ) (“ MinRex ” or “the Company ”) is pleased to announce the appointments of Richard O’Shannassy as Non-Executive Chairman and Ian Shackleton as Non-Executive Director.

Managing Director, George Karageorge , commented:

“On behalf of the Board, I am delighted to welcome the appointments of Richard and Ian. The appointments are an important further step forwards for MinRex in pursuing our aggressive Pilbara battery metals focused exploration strategy while we look to exploit further potential commercial opportunities for shareholders. To attract candidates with such fantastic experience, calibre and character to the Board will add significant opportunity for future success.”

“Our Board now includes founding geologists of two major lithium deposits in the Pilbara (Global Lithium’s Archer Deposit and Pilbara Minerals’ Pilgangoora Deposit), corporate and legal experience in mining and resources activities (including offtake agreements, takeovers, farm-ins/outs etc) and experience managing all aspects of a mining asset lifecycle (from exploration through to resource definition and production), which we believe will help drive MinRex through its planned activities.”

Richard O’Shannassy has over 35 years' experience as a Commercial Lawyer and established his own legal practice in 1992. Mr O’Shannassy holds a Bachelor of Laws (Honours) and Bachelor of Jurisprudence from University of Western Australia. Mr O'Shannassy has experience with numerous ASX listed companies both as an independent Non-Executive Director and as General Counsel, including with BHP Billiton Iron Ore, Hardman Resources Limited, Avenira Ltd and Nkwe Platinum Ltd.

Mr O’Shannassy’s appointment as Non-Executive Chairman will take effect upon settlement of the outstanding tranche of MinRex’s $13.5 million placement announced on 21 April 2022, which is expected to occur on 1 June 2022.

Ian Shackleton is the current Exploration Manager at MinRex and brings extensive experience managing exploration and mining projects encompassing roles throughout the asset life-cycle including exploration, resource delineation, mining and closure. Mr Shackleton was the ex-Global Lithium Resources Archer Deposit (hosting 10.1Mt @ 1.0% Li) founding geologist and has extensive experience in battery metals exploration in the Pilbara.

Mr Shackelton has been appointed as Non-Executive Director with immediate effect.

This ASX announcement has been authorised for release by the Board of MinRex Resources Limited.

-ENDS-

For further information, please contact:

George Karageorge Managing Director MinRex Resources Limited T: +61 8 9481 0389 M: 0419 944 484 George.Karageorge@minrex.com.au

MinRex Resources Limited ABN 81 151 185 867 Tel +61 (08) 9481 0389 Email info@minrex.com.au Level 11 216 St Georges Terrace Perth WA 6000 www.MinRex.com.au

ASX Code: MRR

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About MinRex Resources Limited

MinRex Resources Limited (ASX: MRR) is an Australian based ASX-listed emergent battery metals explorer with Lithium-Tin-Tantalum Projects in the Pilbara (WA) in close proximity to world-class Lithium and Tantalum producers Pilbara Minerals, Mineral Resources, and Global Lithium. MinRex also has a highly prospective portfolio of Gold-Copper projects in the Mercherson and Pilbara Regions (WA) and Gold-Silver-Copper and other metals projects in the Lachlan Fold Belt (NSW). The Company’s tenements package cover 1,000km[2] of highly prospective ground targeting multi-commodities type deposits. The Company also currently has JORC 2012 Resources totalling 352,213 oz gold at its Sofala Project (NSW).

Forward Statement

This release includes forward-looking statements. Forward-looking statements include, but are not limited to, statements concerning MinRex’s planned exploration programs and other statements that are not historical facts. When used in this release, the words such as “could”, “plan”, “estimate”, “expect”, “anticipate”, “intend”, “may”, “potential”, “should”, “might” and similar expressions are forward-looking statements. Although MinRex believes that its expectations reflected in these forward-looking statements are reasonable, such statements involve known and unknown risks and uncertainties and are subject to factors outside of MinRex’s control. Accordingly, no assurance can be given that actual results will be consistent with these forward-looking statements.

MinRex Resources Limited ABN 81 151 185 867 Tel +61 (08) 9481 0389 Email info@minrex.com.au Level 11 216 St Georges Terrace Perth WA 6000 www.MinRex.com.au