Standard Lithium (SLI) investor relations material

Strategic project overview

• Focus on developing lithium assets in the U.S., primarily in the Smackover Formation, with a first-mover advantage in land acquisition.

• Portfolio includes the shovel-ready South West Arkansas Project (22,500 tons initial phase, first production in 2029) and the Franklin Project in East Texas (70,000 tons potential, PEA completed).

• East Texas assets could exceed 100,000 tons per annum, with additional bromine and potash opportunities.

• All projects are under a JV with Equinor (55%/45% split), with Standard Lithium as operator.

• Demonstration plant operational since 2020, leveraging proven DLE technology now owned by Aquatech.

Recent milestones and partnerships

• Joint venture with Equinor established in 2024, leveraging their oil and gas expertise and financial strength.

• Signed offtake agreements with Trafigura and LG Energy Solution, with one more agreement targeted by end of the current quarter.

• $225 million grant from the U.S. Department of Energy, already being drawn upon, and strong state-level support in Arkansas and Texas.

• Project financing underway, targeting over $1 billion from export credit agencies and DOE grant as main capital sources.

• Construction vendors engaged and on limited notice to proceed, enabling rapid start post-FID.

Project economics and market positioning

• South West Arkansas Project has a $1.5 billion CapEx, 20+ year mine life, and potential to double capacity in future phases.

• Operating costs for South West Arkansas are under $6,000/ton, placing it in the first quartile globally.

• Smackover Formation offers high lithium concentrations, robust infrastructure, skilled labor, and regulatory clarity.

• Industry fundamentals are strong, with lithium demand expected to double by 2030 and triple by 2035.

• Most lithium refining occurs in China, highlighting the strategic value of U.S.-based supply.