Standard Lithium Ltd. (TSXV:SLI; NYSE American:SLI) develops and explores lithium brine properties in the United States, focusing on sustainable production of battery-quality lithium carbonate and lithium hydroxide through proprietary Direct Lithium Extraction (DLE) and purification processes; its flagship South West Arkansas (SWA) Project targets initial Phase 1 capacity of 22,500 tonnes per annum of lithium carbonate equivalent (LCE) from high-grade Smackover Formation brines averaging 481-616 mg/L lithium concentration, supported by proven reserves of 447,000 tonnes LCE over a 20-year mine life; additional projects include the East Texas Franklin Project with a maiden inferred resource of 2.2 million tonnes LCE at 668 mg/L—the highest reported North American lithium brine grade—plus significant potash and bromide byproducts, the Lanxess 1A Project, and other Smackover assets in southern Arkansas and East Texas. Incorporated in 1998 and headquartered in Vancouver, British Columbia, Canada, the company operates exclusively in the U.S. Smackover region, leveraging existing energy infrastructure, skilled labor, and streamlined permitting to target first-quartile global cost positioning with average cash operating costs of $4,516/t LCE and all-in sustaining costs of $5,924/t. Recent developments include the Q3 2025 Definitive Feasibility Study (DFS) for SWA confirming a $1.45 billion Class III capex, 20.2% unlevered pre-tax IRR, and readiness for Final Investment Decision (FID) in early 2026 with construction targeted for 2026 and first production in 2028; upsized $130 million equity offering in October 2025 to fund SWA equity contribution and East Texas advancement; receipt of final integration and royalty approvals from the Arkansas Oil and Gas Commission for SWA Phase 1; finalization of a $225 million U.S. Department of Energy grant and special priority designation as a critical minerals project; deepened Equinor partnership (45% stake in SWA and East Texas projects since 2024) with up to $70 million milestone payments and $40 million FID payment pending; Aquatech's acquisition of Koch Technology Solutions' Li-Pro DLE business in September 2025, assuming prior demonstration plant arrangements; and executive enhancements with General Counsel Michael Lutgring and new VP appointments in 2025.