Standard Lithium (SLI) investor relations material

Executive summary

• Achieved key milestones for the SWA Project, including completion of construction contracts with S&B Engineers and Wood Group, and conclusion of the NEPA review with a Finding of No Significant Impact, advancing toward a Final Investment Decision (FID) in 2026 and first commercial production in 2029.

• Customer offtake agreements and project financing are progressing, with completion targeted for Q3 2026.

• Significant operational milestones achieved at the Arkansas demonstration plant, including processing 1 million barrels of brine, over 15,000 DLE cycles, and 340,000 man hours with zero incidents.

• Preliminary Economic Assessment (PEA) for the Franklin project in East Texas is planned for Q3 2026, with ongoing resource definition and lease expansion.

Financial highlights

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

• G&A 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 targeted for late 2026, with first commercial lithium carbonate production expected in 2029.

• Remaining offtake agreements and project financing anticipated to be finalized in Q3 2026.

• PEA for Franklin project in East Texas expected in Q3 2026, with further resource reports to follow.