Mr. Cameron McCall reports

WEBINAR DETAILS FOR MACARTHUR MINERALS INVESTOR PRESENTATION

Macarthur Minerals Ltd. will host a live audio conference for its investor presentation (via GoToWebinar), to be presented by Cameron McCall, chief executive officer.

Anyone wishing to attend the webinar must register on-line.

Webinar details

Date:  Wednesday, March 13, 2024

Time:  11 a.m. (Australian Western Time)/2 p.m. (Australian Eastern Time)

Register:  access on-line

Investors are invited to submit questions for the presenter by e-mailing the company on communications@macarthurminerals.com by 5 p.m. (AET) on Tuesday, March 12, 2024, and these questions will be answered at the conclusion of the investor presentation.

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 (Mt) at 47.2 per cent iron (Fe) 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 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 Australian Securities Exchange on March 21, 2022, including supporting JORC (Joint Ore Reserve Committee) reporting tables. The company confirms that it is not aware of any new information or data that materially affect the information included in the relevant market announcements and, in the case of mineral resources and mineral reserves that all assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed.

We seek Safe Harbor.