Exhibit 99.1 Condensed Consolidated Interim Financial Statements (Expressed in Canadian dollars - unaudited) Three and six months ended December 31, 2023 and 2022 STANDARD LITHIUM LTD. Condensed Consolidated Interim Statements of Financial Position As at December 31, 2023 and June 30, 2023 (Expressed in thousands of Canadian Dollars – unaudited) | | | December 31, | | June 30, | | --- | --- | --- | --- | --- | | | | 2023 | | 2023 | | ASSETS | | | | | | Current assets | | | | | | Cash | $ | 15,831 | $ | 59,6 ...

Director Director Exhibit 99.1 Condensed Consolidated Interim Financial Statements (Expressed in Canadian dollars - unaudited) Three months ended September 30, 2023 and 2022 STANDARD LITHIUM LTD. Condensed Consolidated Interim Statements of Financial Position As at September 30, 2023 and June 30, 2023 (Expressed in thousands of Canadian Dollars – unaudited) | | | September 30, | | June 30, | | --- | --- | --- | --- | --- | | | | 2023 | | 2023 | | ASSETS | | | | | | Current assets | | | | | | Cash | $ | 37,1 ...

Exhibit 99.1 STANDARD LITHIUM ANNOUNCES RESULTS OF 2023 ANNUAL GENERAL AND SPECIAL MEETING El Dorado, Arkansas – April 4, 2023 – Standard Lithium Ltd. ("Standard Lithium" or the "Company") (TSXV: SLI) (NYSE American: SLI) (FRA: S5L), a leading near-commercial lithium company, is pleased to announce the detailed voting results from its Annual General and Special Meeting held on April 4, 2023 (the "Meeting"). A total of 42,664,744 common shares were represented at the Meeting, representing 25.42% of the issue ...