Company History

Year Milestones
2025 November - U.S. Department of Interior added Boron to Critical Minerals List.

October - Ioneer updated its project economics and Mineral Resource and Reserve Estimates.

July - Ioneer began its strategic partnering process to identify an equity partner to help advance Rhyolite Ridge into production

January - Ioneer announced the closing of a US$996 million loan from the U.S. Department of Energy (DOE) to support the development of an on-site processing facility at the Rhyolite Ridge Lithium-Boron Project.
2024 October - Ioneer received final approval for its federal permit from the U.S. Government via a positive Record of Decision.

September – The Bureau of Land Management (BLM) published Final Environmental Impact Statement (EIS) for the Rhyolite Ridge Project, which included the FWS Biological Opinion concluding the Project would not jeopardize ESA-listed Tiehm's buckwheat or adversely modify its critical habitat.
2023 May - Ioneer announced a lithium offtake agreement with Dragonfly Energy Holdings Corp. (NASDAQ: DFLI), a Nevada-based energy storage company.

January - U.S. Department of Energy announced conditional commitment to Ioneer for up to US$700 Million to develop the Rhyolite Ridge Project.
2022 December - U.S. Bureau of Lands Management (BLM) published the Notice of Intent, advancing the Project into the final stage of federal permitting and beginning the formal federal permitting process, also known as the NEPA process.

August - Ioneer signed a five-year binding lithium offtake agreement with Prime Planet Energy & Solutions (PPES) a joint venture between Toyota Motor Corporation and Panasonic Corporation, for 4,000 tpa of lithium carbonate

July - Ioneer announced a five-year binding offtake agreement with the Ford Motor Company to supply 7,000 tonnes per annum (tpa) of lithium.

June - Ioneer listed on the Nasdaq as IONR under an American Depository Receipt (ADR) listing.
2021 June - Ioneer signed a lithium carbonate offtake agreement with EcoPro Innovation Co, a major Korean cathode supplier for global battery manufacturers.
2020 April - Ioneer shared the results of a Definitive Feasibility Study validating the robust economics and viability of Rhyolite Ridge.
2018 October - The Company announced the results of a Pre-Feasibility Study that clearly showed that Rhyolite Ridge will be a structurally low cost and long-life mine supplying lithium and boron, critical components in accelerating the global electrification shift.

September - The Company changed its name to Ioneer Ltd from Global Geoscience to reflect its new focus and commitment to producing the materials necessary for a sustainable future.
2017 The company secured ownership of the Rhyolite Ridge Lithium-Boron Project and fully committed to its development.
2016 Current Ioneer CEO and Managing Director Bernard Rowe visits Rhyolite Ridge for the first time.
2007 The Company is listed on the ASX, led by one of the company's original co-founders and current Ioneer CEO and Managing Director Bernard Rowe.
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