Quarterly Activities/Appendix 5B Cash Flow Report

Highlights

Significant results at Koppamurra Rare Earths Project

• Bulk leach program: Bulk ~3 tonne leach trial delivered Magnet Rare Earth (MRE) recoveries exceeding 60%, reinforcing the scalability of the progressive heap leach approach.

• Rapid Leach time achieved: Recoveries were delivered in significantly shorter timeframes compared to traditional heap leaching methods.

• Optimisation workstreams: Ongoing optimisation of MRE recoveries, reagent usage, water recycling, impurity removal and rare earth precipitation testwork continues to support scalable development.

• U.S. government registrations in place: Approval received for the U.S. Government’s System for Award Management (SAM.gov) and membership to the Defense Industrial Base Consortium (DIBC) enabling eligibility to engage with US federal agencies in strategic procurement, funding and partnership programs.

Advancement at Overland Uranium Project

• Uranium “roll front” signature identified: Identification of uranium "roll front" gamma signatures in oxidised sand formations, providing immediate follow-up targets.

• Recorded the highest gamma responses and pXRF uranium readings to date at Overland.

• Strategic review of historical drilling revealed copper-gold (Cu-Au) potential in basement rocks.

• Expansion of the project area by ~2,000km² to a total of ~7,000 km²: New ground prospective for sedimentary hosted uranium mineralisation and prospective for Cu and Au systems.

• Highly prospective Delamerian region: Emerging as highly prospective for multiple mineralised styles including porphyry, skarn, orogenic gold, volcanic massive sulphide (VHMS), and sediment-hosted mineralisation.

• Strong geological credentials: Broader region contains Cu-Au, Cu-Mo, and polymetalic (Pb-Zn-Au) systems, with analogues to Tier 1 discoveries such as Winu in WA and Cadia Hill in NSW.

Corporate

• Robust liquidity position: $5.1 million cash as at 30 June 2025 with an additional $4.25 million in government grant funding expected in 2025/2026.

• Well-supported capital raise: A non-renounceable rights issue raised $3.6 million in gross proceeds in April 2025, with a high uptake (93%) from existing shareholders, demonstrating strong investor confidence in AR3’s strategic direction.

• Managing Director, Travis Beinke presented at the RIU Explorers Conference in Sydney in May 2025.

• Management conducted a non-deal investor roadshow in Sydney and Melbourne during June 2025 receiving strong institutional and retail engagement.