SLI · Standard Lithium Ltd.

Summary

This is Standard Lithium Ltd. (ticker: SLI) fiscal year 2025 annual report filed on SEC Form 40-F on March 30, 2026, as required for foreign private issuers. The filing contains IFRS-compliant audited financial results with comparative data for fiscal 2023, 2024 and 2025, alongside operational disclosures for the company's core lithium assets including the Southwest Arkansas Project, Lanxess 1A Project, East Texas properties and Smackover Lithium assets. It also details strategic partnerships with Equinor and Trafigura Trading LLC, investments in ventures including Aqualung Carbon Capture, capital raising activities such as at-the-market offerings and the October 2025 public offering, share-based compensation plan activity, operating cost breakdowns for pilot plant operations and testwork, deferred tax assets from US R&D tax credits, and fair value measurements for level 3 assets. The company operates across Canada and the US, reports financials in US dollars, and the filing covers all material corporate activities for the 2025 fiscal year.

Key takeaways

• Standard Lithium advanced its core assets including the Southwest Arkansas Project, Lanxess 1A Project and East Texas properties during FY2025, with ongoing pilot plant operations and technical testwork to support lithium production scale-up.
• The company maintained key strategic partnerships with Equinor and Trafigura Trading LLC, including a March 2026 lithium purchase agreement with Trafigura, and held investments in ventures including Aqualung Carbon Capture and Smackover Lithium in the reporting period.
• Standard Lithium raised capital via at-the-market offerings and an October 2025 public offering to fund project development, with full disclosures of operating costs, share-based compensation, R&D tax credits and mineral property valuations included in the filing.