• Completed Kachi Phase One DFS Addendum with significantly enhanced economics and operational efficiencies
• Lilac Solutions developed Gen 5 lithium extraction technology with breakthrough performance improvements
• Exploitation EIA approval process progressing, expected in 2026

Lake Resources N.L. presented its Annual General Meeting, highlighting the major milestones achieved in 2025. The company completed the Kachi Phase One DFS Addendum, which significantly enhanced the project's economics and operational efficiencies. The DFS Addendum outlined a US$1.16B capex, US$5,895/t opex, US$1.5B pre-tax NPV10, and 22.5% pre-tax IRR. The resource was also increased to 11.1Mt LCE. Further improvements were made through technology advancements, including Lilac Solutions' Gen 5 ion exchange media, which delivers higher lithium recovery rates, greater media productivity, and extended durability. Lake continues to advance the Exploitation EIA approval process in close coordination with the Catamarca government, with approval now expected in 2026. The company also provided an update on the positive macroeconomic and political developments in Argentina, as well as the volatile lithium price environment and the strengthening demand outlook. Lake's financial position remains strong, with a cash position of A$18M and zero debt at the end of Q3 2025. The company is focused on obtaining EIA approval, optimizing power solutions, engaging with offtake and strategic partners, and continuing to optimize its cost structure.

Lake Resources is focused on obtaining EIA approval, optimizing technical and commercial power solutions, engaging with offtake and strategic partners, and working towards a final investment decision for the Kachi project. The company will continue to optimize its cost structure and extend its financial runway.