Standard Lithium is a leading near-commercial lithium development company focused on the sustainable development of a portfolio of lithium-brine bearing properties in the United States

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Standard Lithium Exercises Option Agreement on South West Arkansas Project. (Credit: Kefentse Molotsane on Unsplash)

Standard Lithium Ltd. (“Standard Lithium” or the “Company”) (TSXV:SLI) (NYSE American:SLI) (FRA:S5L), a leading near-commercial lithium company, today announced the exercise of its option agreement (the “Agreement”) with TETRA Technologies, Inc. (“TETRA”) for the South West Arkansas (“SWA”) Project. This significant move affirms the Company’s strategic direction, and builds on the positive insights garnered from the recent Preliminary Feasibility Study (“PFS”).

“This is an important and natural step for us as we advance our South West Arkansas Project,” said Andy Robinson, President and COO of Standard Lithium. “Our primary goal is to unlock the commercial potential of the Smackover Formation. The TETRA acreage within the SWA project area has delivered outstanding results from our exploration efforts. Our defined total resource has grown over 100% within the last five years, with an improved average lithium concentration of 437 mg/L. Having secured the exclusive lithium brine rights, we are poised to progress the SWA project to FEED and Definitive Feasibility Study stages.”

The Agreement entered into with TETRA in 2017 granted the Company the exclusive option, exercisable over a ten-year period, to the brine production rights on approximately 27,000 net acres of brine leases located in Columbia and Lafayette Counties, Arkansas. Exploration activities on the brine leases commenced in 2018 to identify the presence of lithium-bearing brines, and shortly thereafter, the Company announced a maiden inferred mineral resource of 802,000 tonnes lithium carbonate equivalent (“LCE”) at an average lithium concentration of 199 mg/L from the area now known as the SWA Project.

Most recently, the Company completed a Preliminary Feasibility Study (“PFS”) for the SWA Project, which demonstrated robust economics and some of the highest reported lithium brine concentrations in North America. The PFS indicates base-case production of 30,000 tonnes per annum (“tpa”) of battery-quality lithium hydroxide with the potential to produce up to 35,000 tpa over a 20-year operating life. The base-case project economics yielded a pre-tax NPV of US$4.5 billion and IRR of 41%, assuming production of 30,000 tpa. The Company anticipates completing a FEED and Definitive Feasibility Study for the SWA Project in 2024 and beginning construction in 2025. First commercial production is expected in 2027.

Standard Lithium remains consistent in its strategic approach, securing additional leases and property rights across the Smackover Formation in Arkansas and regions of East Texas with high potential. As the Company advances the Phase 1A Project and its broader initiatives, it actively explores opportunities for strategic partnerships and offtake agreements.

Source: Company Press Release