Mr. Daniel Rosen reports

STANDARD LITHIUM ANNOUNCES RESULTS OF 2025 ANNUAL GENERAL AND SPECIAL MEETING

Standard Lithium Ltd. has released the detailed voting results from its annual general and special meeting held on July 16, 2025.

A total of 59,747,812 common shares were represented at the meeting, representing 30.08 per cent of the issued and outstanding common shares of the company at the record date.

All of the matters put forward before shareholders for consideration and approval, as set out in the company's management information circular dated May 30, 2025, were approved by the requisite majority of votes cast at the meeting.

Setting the number of directors

At the meeting, the shareholders approved the resolution to set the number of directors at nine for the ensuing year. The resolution was approved with 98.28 per cent votes for and 1.72 per cent against.

Election of directors

The number of directors was fixed at nine, and each of the following nominees set forth in the company's circular was elected as a director of the company to hold office until the next annual meeting of shareholders or until their successors are elected or appointed.

Appointment of auditor

At the meeting, the shareholders approved the appointment of PricewaterhouseCoopers LLP, chartered professional accountants, as the auditor of the company and authorized the directors to fix the remuneration to be paid to the auditor. The resolution was approved with 98.23 per cent votes for and 1.77 per cent votes withheld.

Reapproval of option plan and incentive plan

The shareholders also reapproved the stock option plan of the company, which was approved by resolution with 91.95 per cent votes for and 8.05 per cent votes against, and the long-term incentive plan of the company, which was approved by resolution with 94.09 per cent votes for and 5.91 per cent votes against.

The company has filed a report of voting results on all resolutions voted on at the meeting under its profile on SEDAR+.

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 through the application of a scalable and fully integrated DLE and purification process. The company's flagship projects are located in the Smackover formation, a world-class lithium brine asset, focused on Arkansas and Texas. In partnership with global energy leader Equinor, 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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