5E Advanced Materials Completes Lithium Carbonate Preliminary Economic Assessment

Lithium carbonate byproduct credit projected to generate approximately $9.5 million in annual revenue and to enhance Fort Cady project NPV and overall economics Existing small-scale facility equipment expected to reduce incremental CAPEX requirements HESPERIA, CA / ACCESS Newswire / May 20, 2026 / 5E Advanced Materials, Inc., ("5E" or the "Company") a company focused on becoming a vertically integrated global leader and supplier of refined borates and advanced boron derivative materials, today announced the successful completion of a preliminary economic assessment (the "PEA") of lithium carbonate recovery opportunities associated with the lithium-rich brine stream generated from its planned large-scale Fort Cady critical mineral facility located in Southern California. The PEA, completed by Fluor Corporation, a leading global engineering, procurement and construction firm, evaluated multiple lithium extraction and processing pathways and identified direct concentration as the optimal recovery process based on economics, operational fit, and execution risk.