InvestorNewsBreaks – Standard Lithium Ltd (TSX.V: SLI) (NYSE American: SLI) (FRA: S5L) to Begins PFS at Arkansas Lithium Project

Standard Lithium (TSX.V: SLI) (NYSE American: SLI) (FRA: S5L), an innovative technology and lithium project-development company, has started a preliminary feasibility study (“PFS”) at its South West Arkansas Lithium Project, located approximately 35 miles west of the company’s Lanxess project. According to the company, the PFS will include the reentry of existing wells designed to obtain new representative brine samples, reperforation of existing wells where feasible, drilling of a new well in a key location and long-duration pumping tests from selected wells. The study will also collect a large volume brine samples during pumping tests as well as acquire and reprocess additional 2D seismic data across and adjacent to SLI’s existing brine leases. In addition, the company noted that it will generate a 3D reservoir model designed to determine an updated in-situ lithium resource, as well as extraction/reinjection production plans for the commercial facility. Finally, the PFS will include the completion of several pilot studies that test the lithium chloride to lithium hydroxide conversion process at sufficient scale and duration. SLI is working with Louisiana-based Hunt, Guillot & Associates on the PFS. “Following the key investment from Koch Strategic Platforms in Q4 2021, we’ve been able to grow our team with additional technical and management strength,” said Standard Lithium president and COO Dr. Andy Robinson in the press release. “Now we can manage and drive multiple projects in parallel. The commencement of this comprehensive PFS is a testament to the Company’s ambition to not only bring the first new commercial lithium project into production in the United States in six decades, but also to have a robust pipeline of subsequent projects that will serve the future demand for lithium chemicals in North America. We have assembled a broad team of consultants, technical advisors and subject matter experts to complete all the necessary work for this PFS, and we will also be working hand in hand with our strategic and project partners to ensure successful execution. We expect to complete the bulk of the work through the balance of 2022, with completion and reporting of the results of the PFS in Q1 2023.”

To view the full press release, visit https://ibn.fm/ETL4Y

About Standard Lithium Ltd.

Standard Lithium is an innovative technology and lithium development company. The company’s flagship project is located in southern Arkansas, where it is engaged in the testing and proving of the commercial viability of lithium extraction from more than 150,000 acres of permitted brine operations. The company operates its first-of-a-kind, industrial-scale direct-lithium-extraction demonstration plant at Lanxess’s south plant facility. The demonstration plant utilizes the company’s proprietary LiSTR technology to selectively extract lithium from Lanxess’s tail brine. The demonstration plant is being used for proof-of-concept and commercial feasibility studies. The scalable, environmentally friendly process eliminates the use of evaporation ponds, reduces processing time from months to hours and greatly increases the effective recovery of lithium. The company is also pursuing the resource development of more than 30,000 acres of separate brine leases located in southwestern Arkansas, referred to as the South West Arkansas Lithium Project, and approximately 45,000 acres of mineral leases located in the Mojave Desert in San Bernardino County, California. For more information about the company, please visit www.StandardLithium.com.

NOTE TO INVESTORS: The latest news and updates relating to SLI are available in the company’s newsroom at https://ibn.fm/SLI

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