Quarterly Activities Report

• Ranger Project Pit 3 capping schedule increased by 14 months.
• Estimated rehabilitation costs may rise by A$25 million - A$95 million.
• Completed sale of Cooper Creek JV interest for A$648,000.

Energy Resources of Australia Ltd (ERA) released its Q2 2026 Quarterly Activities Report, detailing operations and business updates. Key points include a reforecast of the Ranger Project Works Tranche 1A, which increased the Pit 3 capping schedule by approximately 14 months and raised estimated rehabilitation costs by A$25 million to A$95 million. ERA held A$309 million in cash and A$130 million in other financial assets as of September 2026. Legal proceedings regarding the compulsory acquisition by Rio Tinto remain ongoing, with an appeal hearing scheduled for November 2026. ERA also completed the sale of its 50% interest in the Cooper Creek JV to Deep Yellow Limited for A$648,000. Additionally, Mr. Rick Dennis resigned from his position as Chair of the Board, and Mr. Stuart Glenn was appointed in his place.