Standard Lithium (SLI) investor relations material

Executive summary

• Achieved key milestones for the SWA Project, including completion of two major construction contracts and the NEPA environmental review with a Finding of No Significant Impact, advancing toward a Final Investment Decision (FID) and construction start in 2026, with first commercial lithium carbonate production targeted for 2029.

• Remaining pre-FID deliverables—customer offtake agreements and project financing—are in advanced stages, with completion targeted by Q3 2026.

• Significant operational milestones achieved at the Arkansas demonstration plant, including processing 1 million barrels of brine and over 15,000 DLE cycles completed.

• Progress continues on the East Texas portfolio, with plans to expand leasehold and release a Preliminary Economic Assessment for the Franklin project in Q3 2026.

Financial highlights

• Reported a net loss of $3.1 million for Q2 2026, an improvement from a $5 million net loss in Q2 2025.

• Cash and working capital stood at $137.3 million and $137.1 million, respectively, as of June 30, 2026.

• No term or revolving debt obligations as of June 30, 2026.

• General & administrative expenses increased by $0.7 million year-over-year, mainly due to higher headcount and project activity.

• Demonstration plant costs rose by $0.3 million, reflecting increased R&D and training activities.

Outlook and guidance

• FID and construction start for SWA expected by end of 2026, with first commercial lithium carbonate production targeted for 2029.

• Aims to finalize customer offtake agreements and project financing by Q3 2026.

• PEA for the Franklin project in East Texas to be released in Q3 2026, with further resource and economic definition work ongoing.