Standard Lithium Ltd. Achieves Record Lithium Brine Grade and Advances SWA Project

Standard Lithium Ltd. (NYSE American: SLI) has announced notable advancements in its Smackover, Arkansas (SWA) Project during the second quarter of 2025, alongside financial results that underscore the company's robust position in the lithium market. The company achieved a record lithium concentration of 616 mg/L from the Lester well, with an average of 582 mg/L, signaling a significant milestone in its quest for high-grade lithium brine resources. This achievement is part of the Phase 1 development, which aims to produce 22,500 tonnes per year of battery-quality lithium carbonate.

In a landmark decision, the Arkansas Oil and Gas Commission approved a 2.5% royalty rate for Phase 1 of the SWA Project, establishing the first lithium-from-brine royalty rate in the state. Additionally, the commission unanimously approved the Reynolds Brine Unit, further facilitating the project's advancement. The SWA Project's designation as a critical mineral production initiative under Executive Order 14241 highlights its strategic importance to the United States' energy and technology sectors.

Collaborating with Telescope Innovations Corp., Standard Lithium has developed a patented process to convert lithium hydroxide into battery-quality lithium sulfide, catering to the burgeoning solid-state battery market. This innovation, coupled with the appointment of two new vice presidents, strengthens the company's strategic and operational capabilities, positioning it for sustained growth.

Financially, Standard Lithium reported a strong liquidity position as of June 30, 2025, with $33.8 million in cash, $30.6 million in working capital, and no debt. This financial stability supports the company's ongoing and future projects, including the SWA Project and its exploration activities in east Texas. For more details on Standard Lithium's progress and financials, visit https://ibn.fm/K7LrT.