FRONTIER ADVANCES LITHIUM CONVERSION FACILITY WITH DEFINITIVE FEASIBILITY STUDY AWARD

GREATER SUDBURY, ON, July 31, 2025 /CNW/ - Frontier Lithium Inc. (TSXV:FL.VN) (OTCQX:LITOF) ("Frontier" or the "Company") is pleased to announce the commencement of the Definitive Feasibility Study ("DFS") for the lithium conversion facility (the "Project") in Thunder Bay, Ontario. As a second definitive feasibility study, this work builds on the positive outcomes of the recently completed mine and mill DFS, with a dedicated focus on evaluating a refinery supplied by Frontier Lithium's own production and potential third-party feedstock. The Company has awarded the feasibility scope for the Project to Fluor Canada Ltd. ("Fluor"), a leading engineering and construction company that provides engineering, procurement, construction, maintenance, and project management services across various industries.