Mr. Cameron McCall reports

MACARTHUR ENGAGES NEW ADVISORS FOR INVESTOR RELATIONS AND GROUP MARKETING SERVICES

Macarthur Minerals Ltd. has engaged two advisory firms to manage Australian investor relations (IR), media relations and marketing services for the company.

The IR and corporate communications function will be managed by Six Degrees Investor Relations (SDIR), an advisory group which specializes in investor/media relations and strategic advice to Australian Securities Exchange-listed companies.

The company has also engaged Ron McMahon, founder of full-service marketing and advertising agency Small Business Genies, to manage group marketing services.

The engagement terms with SDIR and Small Business Genies will be through an undisclosed nominated monthly fee.

Cameron McCall, president and executive chairman of Macarthur Minerals, commented:

"We are pleased to announce the appointment of both SDIR and Small Business Genies to manage Macarthur's Australian investor relations, media relations and marketing services at a particularly important juncture in the company's growth trajectory.

"The services provided by both consulting groups will help the company present its value proposition to investors and market participants in a targeted and effective way, as the management team continues to build momentum across Macarthur's core project suite in iron ore development and lithium/nickel exploration.

"The company looks forward to working with SDIR and Small Business Genies in the months ahead, to build investor awareness for what will be a busy period of news flow in the second half of 2023."

About Six Degrees Investor Relations

Founded in 2006, Six Degrees is a leading full-service investor relations and investor communication firm with offices in Sydney and Perth. The company provides investor relations, communications and media relations support for micro-cap, small-cap and mid-cap ASX-listed companies, as well as those in the prelisting stage. Six Degrees also provides unique investor-focused social media campaigns through its trusted network partner, Investor Stream.

About Small Business Genies

Small Business Genies is a full-service marketing, Web and creative agency uniquely geared to helping small business owners achieve their potential. Along with creative ideas, compelling content and strong design acumen, the company's approach is based on uncovering the hidden value of its clients and leveraging that through sound marketing strategy, strong branding, clear messaging, engaging design, compelling content and realistic, measurable action plans.

About Macarthur Minerals Ltd.

Macarthur is an iron ore development and lithium exploration company that is focused on bringing to production its Western Australia iron ore projects. The Lake Giles iron project mineral resources include the Ularring hematite resource (approved for development) comprising indicated resources of 54.5 million tonnes at 47.2 per cent Fe (iron) and inferred resources of 26 million tonnes at 45.4 per cent Fe; and the Lake Giles magnetite resource of 53.9 million tonnes (measured), 218.7 million tonnes (indicated) and 997 million tonnes (inferred). The Lake Giles iron project also contains proven ore reserves of 51.9 Mt and probable ore reserves of 184.7 Mt. Macarthur also holds a 24-square-kilometre tenement area iron exploration interests in the Pilbara region of Western Australia. In addition, Macarthur has lithium brine claims in the emerging Railroad Valley region in Nevada, United States. The mineral resource and ore reserve estimates presented herein have previously been released to the ASX on March 21, 2022, including supporting JORC (Joint Ore Reserve Committee) reporting tables.

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