Mr. David Park reports

STANDARD LITHIUM EXPANDS LEADERSHIP TEAM WITH APPOINTMENT OF GENERAL COUNSEL

Standard Lithium Ltd. has appointed Michael Lutgring as general counsel, effective Aug. 18, 2025.

"We are excited to have Michael join our senior leadership team," said David Park, chief executive officer and director of Standard Lithium. "Michael's deep and wide-ranging experience will be critical as we strengthen our capabilities and bring further expertise in-house as we continue our growth and development as a public company."

Mr. Lutgring brings over two decades of legal and strategic advisory experience across corporate law, regulatory compliance and commercial transactions. Prior to joining Standard Lithium, Mr. Lutgring served as vice-president and deputy general counsel at Albemarle Corp., where he led legal support for global supply chain operations, manufacturing, engineering and corporate functions including human resources, information technology and risk management. Mr. Lutgring played a pivotal role in major corporate initiatives, including the $6.2-billion acquisition of Rockwood Holdings to enter the lithium business, as well as the $3.2-billion divestiture of Chemetall Surface Treatment to BASF. Prior to Albemarle, Mr. Lutgring held senior legal roles at Amedisys Inc., and practised with respected law firms, advising clients on mergers and acquisitions, securities, and governance matters. He is recognized for his ability to navigate complex regulatory environments and align legal strategy with business objectives.

About Standard Lithium Ltd.

Standard Lithium is a leading near-commercial lithium development company focused on the sustainable development of a portfolio of large, high-grade lithium-brine properties in the United States. The company prioritizes projects characterized by high-grade resources, robust infrastructure, skilled labour and streamlined permitting. Standard Lithium aims to achieve sustainable, commercial-scale lithium production via the application of a scalable and fully integrated direct lithium extraction and purification process. The company's flagship projects are located in the Smackover formation, a world-class lithium brine asset, focused in Arkansas and Texas. In partnership with global energy leader Equinor ASA, Standard Lithium is advancing the South West Arkansas project, a greenfield project located in southern Arkansas and actively exploring promising lithium brine prospects in East Texas.

Standard Lithium trades on both the TSX Venture Exchange and the NYSE American under the symbol SLI.

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