IMC Rare Earths Ltd

Exhibit 99.1 IMC Rare Earths Advances Development of Brazil Rare Earth Project with Hatch and ANSTO Engineering and metallurgical programs will assess recovery methods and produce rare earth material for potential customer evaluation Highlights: Hatch, a global engineering consultancy firm, is conducting a study targeted for completion in Q1 2027, to identify a preferred approach to mining and recovering rare earths at Itarantim. ───────────────────────────────────────────────────────…

6-K · 2026-11-10 · 0001493152-26-050873

Exhibit 99.1 IMC Rare Earths Advances Deep Drilling and WSP-Led ISR Trials at Expanded Brazil Rare Earths Project New drilling program will investigate the depth of rare earth mineralization, while field trials will evaluate potentially lower-cost recovery methods ahead of key 2027 milestones Highlights: Diamond drilling at 29 Block D plateau locations to test beyond auger depth limits and extend approximately 5-10 meters into bedrock, subject to geology. Global engineering consult…

6-K · 2026-11-05 · 0001493152-26-050067

Exhibit 99.1 IMC Rare Earths Announces High-Grade Yttrium Discoveries in Brazil One discovery returns 7 meters of yttrium oxide at 2,052 ppm and another returns 13 meters of yttrium oxide at 1,287 ppm. Highlights: Block H starts just 2 meters below surface. 7 meters at 2,052 ppm yttrium oxide, including 3 meters at 2,836 ppm. The peak sample reached 3,099 ppm. Block D remains mineralized at the end of the hole. 13 meters at 1,287 ppm yttrium oxide, including 9 meters with an estimated…

6-K · 2026-10-29 · 0001493152-26-049187

Exhibit 99.1 IMC Rare Earths Discovers New High-Grade, Near-Surface Terbium Zone Beyond Existing 1.1 Billion Tonne Resource at Block H, Itarantim New terbium-rich discovery highlights significant resource growth potential outside IMC’s current 1.1-billion-tonne Mineral Resource, with mineralization beginning just two meters below surface. SÃO PAULO, BRAZIL - 08 October 2026 - IMC Rare Earths Ltd (NYSE American: IMC) (“IMC” or the “Company”) today announced a new shallow, high-grade, terbium-r…

6-K · 2026-10-08 · 0001493152-26-046265

Exhibit 99.1 IMC Rare Earths Reports 73% In-Situ Rare Earth Recovery, Supporting Potential Lower-Cost Recovery at Itarantim SÃO PAULO, BRAZIL - September 22, 2026 - IMC Rare Earths Ltd (“IMC” or the “Company”) (NYSE American: IMC) today announced encouraging metallurgical testwork from the University of Brighton (UK) showing that a high proportion of rare earths can be recovered from its Itarantim Project in Brazil. The results support further evaluation of in-situ recovery (“ISR”) as a potent…

6-K · 2026-09-22 · 0001493152-26-043651

Exhibit 99.1 IMC Rare Earths Reports High-Grade Terbium Recoveries of Up to 95.2% at Itarantim Project Testwork demonstrates exceptionally strong rare earth deposits, prime conditions for extraction, and successful production of mixed rare earth carbonate SÃO PAULO, BRAZIL - September 10, 2026 - IMC Rare Earths Ltd (“IMC” or the “Company”) (NYSE American: IMC) today announced results from laboratory-scale metallurgical testwork at its Itarantim ionic adsorption clay project in Brazil, includi…

6-K · 2026-09-10 · 0001493152-26-042084