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STANDARD LITHIUM LTD.

For the period ended Dec 31, 2025. Filed Mar 30, 2026.

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About this filing

The yearly report of certain Canadian companies, filed under a joint US and Canadian system. It is the main yearly account these companies give US investors, largely as filed in Canada.

FY2025 · Filed Mar 30, 2026

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SLI$1.46+6.6%Stored close · as of Nov 6, 2026
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Contents

EX-99.1 · Components

Components

Standard Lithium is focused on the sustainable development of a portfolio of lithium-brine bearing properties in the United States, utilizing scalable, proven, and optimized lithium extraction and purification technologies. The Company has secured brine leases through direct acquisition from public lands or private landowners and has established various commercial partnerships with existing brine resource holders in Arkansas and Texas. The Company continues to explore additional opportunities in other jurisdictions.

The Company's collaboration with Equinor is a key aspect of its development strategy. Equinor's investment supports the advancement of the South West Arkansas Project as well as the Company's East Texas Properties, including the Franklin

Project and the additional development activities within the Smackover Formation in East Texas. This partnership is central to the Company's strategy of establishing a sustainable lithium supply chain in the United States.

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