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Standard Lithium Ltd. (SLI) Mining Data

TSXV: SLI · Lithium · Development stage

Standard Lithium Ltd. mineral properties

No mineral properties are on file for this company yet.

Standard Lithium Ltd. economic studies

9 economic studies (PEA, pre-feasibility or feasibility) published by Standard Lithium Ltd., read by Mining News Terminal. Base case after-tax figures; a study repeated in later releases is listed once.

StudyProjectDateAfter-tax NPVIRRInitial capexMine lifeRelease
PEAFranklin2026-10-20—25.7%——Standard Lithium Files Positive Preliminary Economic Assessment for the High-Grade 70,000 Tonnes Per Year Franklin Project in East Texas
PEAFranklin2026-09-08US$5B @8%24%US$3.5B20 yrsSmackover Lithium Announces Positive Preliminary Economic
FSSouth West Arkansas2025-09-03——US$1.45B20 yrsSmackover Lithium Announces Positive Definitive Feasibility Study Results for its South West Arkansas Project Highlighted by 20.2% Unlevered Pre-tax IRR on Initial Phase of 22,500 Tonnes per Annum of Battery-Quality Lithium
FSSWA2023-11-09———20 yrsStandard Lithium Reports Fiscal First Quarter 2024 Results
FSSouth West Arkansas2023-10-31———20 yrsStandard Lithium Exercises Option Agreement on South West Arkansas Project, Solidifying Path Forward Following Positive Feasibility Study and Rising Regional Interest Action Paves Way for Feed Phase, Highlighting Scale and Robust Project Economics
FSStrong2023-09-06US$550M @8%24%US$365M25 yrsStandard Lithium Announces Positive Results of Definitive Feasibility Study for First Commercial Lithium Extraction Plant at LANXESS South Plant First Production in 2026; Strong Project Economics with NPV of $550 Million and IRR 24%; Average Annual
PFSSouth West Arkansas2023-08-08US$3.1B @8%32.8%US$1.27B20 yrsStandard Lithium Announces Positive Preliminary Feasibility Study Results for Its South West Arkansas Project Results Include US$3.1 Billion After-Tax NPV, 20 Year Life, Production of 30,000 Tonnes Lithium Hydroxide per Year
PEAArkansas Lithium2021-11-26US$1.97B @8%32.1%US$870M20 yrsStandard Lithium Files Preliminary Economic Assessment Report for the South -West Arkansas Lithium Project
PEASouthern Arkansas Lithium Brine2019-06-19US$989M @8%—US$437M—Standard Lithium Announces Positive Preliminary Economic Assessment and Upgrading of Mineral Resource at Its Southern Arkansas Lithium Brine Project

Standard Lithium Ltd. NI 43-101 technical reports

NI 43-101 technical reports Standard Lithium Ltd. has commissioned, filed or withdrawn, read by Mining News Terminal. A report mentioned in several releases is listed once.

DateReportProjectDatesAuthors
2026-10-20PEA, filedFranklin Projectfiled 2026-10-20—
2026-09-08Technical report, commissionedFranklin Projecteffective 2026-07-20Haas & Cobb Petroleum Consultants

Standard Lithium Ltd. permits and approvals

Permits and government approvals Standard Lithium Ltd. has planned, applied for, received or had contested, read by Mining News Terminal. A permit reported in several releases is listed once, at its latest stage.

DatePermitProjectAuthority
2025-10-30Government / policy, grantedSouth West Arkansas ProjectArkansas Oil and Gas Commission (AOGC)
2025-10-30Mining licence / lease, grantedSouth West Arkansas ProjectArkansas Oil and Gas Commission (AOGC)
2025-10-30Mining licence / lease, grantedSouth West Arkansas ProjectArkansas Oil and Gas Commission (AOGC)
2025-05-29Other, grantedSouth West Arkansas ProjectArkansas Oil and Gas Commission (AOGC)

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