Mr. Cameron McCall reports

CHANGE OF REGISTERED OFFICE AND PRINCIPAL PLACE OF BUSINESS

Macarthur Minerals Ltd.'s registered office and principal place of business have changed to Suite 4, Level 34, Waterfront Place, 1 Eagle St., Brisbane, Queensland, 4000, with immediate effect.

All other contact details remain unchanged.

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 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 million tonnes 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. The mineral resource and ore reserve estimates presented herein have previously been released to the Australian Securities Exchange on March 21, 2022, including supporting Joint Ore Reserves 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 technical assumptions underpinning the estimates in the relevant market announcement continue to apply and have not materially changed.

We seek Safe Harbor.